configure.in

   1 dnl  Autoconf script for GNU Emacs
   2 dnl To rebuild the `configure' script from this, execute the command
   3 dnl     autoconf
   4 dnl in the directory containing this script.
   5 dnl
   6 dnl  Copyright (C) 1994, 1995, 1996, 1999, 2000, 2001, 2002, 2003,
   7 dnl    2004, 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
   8 dnl
   9 dnl  This file is part of GNU Emacs.
  10 dnl
  11 dnl  GNU Emacs is free software: you can redistribute it and/or modify
  12 dnl  it under the terms of the GNU General Public License as published by
  13 dnl  the Free Software Foundation, either version 3 of the License, or
  14 dnl  (at your option) any later version.
  15 dnl
  16 dnl  GNU Emacs is distributed in the hope that it will be useful,
  17 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 dnl  GNU General Public License for more details.
  20 dnl
  21 dnl  You should have received a copy of the GNU General Public License
  22 dnl  along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 AC_PREREQ(2.61)dnl
  25 AC_INIT(emacs, 23.0.60)
  26 AC_CONFIG_HEADER(src/config.h:src/config.in)
  27 AC_CONFIG_SRCDIR(src/lisp.h)
  28
  29 dnl Support for --program-prefix, --program-suffix and
  30 dnl --program-transform-name options
  31 AC_ARG_PROGRAM
  32
  33 lispdir='${datadir}/emacs/${version}/lisp'
  34 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  35 '${datadir}/emacs/site-lisp'
  36 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  37 etcdir='${datadir}/emacs/${version}/etc'
  38 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  39 docdir='${datadir}/emacs/${version}/etc'
  40 gamedir='${localstatedir}/games/emacs'
  41
  42 gameuser=games
  43
  44 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
  45 dnl Create a new --with option that defaults to being disabled.
  46 dnl NAME is the base name of the option.  The shell variable with_NAME
  47 dnl   will be set to either the user's value (if the option is
  48 dnl   specified; 'yes' for a plain --with-NAME) or to 'no' (if the
  49 dnl   option is not specified).  Note that the shell variable name is
  50 dnl   constructed as autoconf does, by replacing non-alphanumeric
  51 dnl   characters with "_".
  52 dnl HELP-STRING is the help text for the option.
  53 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
  54   AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
  55     m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
  56 ])dnl
  57
  58 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
  59 dnl Create a new --with option that defaults to being enabled.  NAME
  60 dnl   is the base name of the option.  The shell variable with_NAME
  61 dnl   will be set either to 'no' (for a plain --without-NAME) or to
  62 dnl   'yes' (if the option is not specified).  Note that the shell
  63 dnl   variable name is constructed as autoconf does, by replacing
  64 dnl   non-alphanumeric characters with "_".
  65 dnl HELP-STRING is the help text for the option.
  66 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
  67   AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
  68    m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
  69 ])dnl
  70
  71 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
  72 if test "$with_pop" = yes; then
  73    AC_DEFINE(MAIL_USE_POP)
  74 fi
  75 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  76
  77 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
  78 if test "$with_kerberos" = yes; then
  79    AC_DEFINE(KERBEROS)
  80 fi
  81 AH_TEMPLATE(KERBEROS,
  82             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  83
  84 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
  85 if test "${with_kerberos5}" = yes; then
  86   if test "${with_kerberos}" != yes; then
  87     with_kerberos=yes
  88     AC_DEFINE(KERBEROS)
  89   fi
  90   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  91 fi
  92
  93 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
  94 if test "$with_hesiod" = yes; then
  95   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
  96 fi
  97
  98 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
  99
 100 OPTION_DEFAULT_ON([sync-input],[Process async input synchronously])
 101 if test "$with_sync_input" = yes; then
 102    AC_DEFINE(SYNC_INPUT, 1, [Process async input synchronously.])
 103 fi
 104
 105 dnl FIXME currently it is not the last.
 106 dnl This should be the last --with option, because --with-x is
 107 dnl added later on when we find the path of X, and it's best to
 108 dnl keep them together visually.
 109 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
 110  [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
 111 [         case "${withval}" in
 112             y | ye | yes )      val=gtk ;;
 113             n | no )            val=no  ;;
 114             l | lu | luc | luci | lucid )       val=lucid ;;
 115             a | at | ath | athe | athen | athena )      val=athena ;;
 116             m | mo | mot | moti | motif )       val=motif ;;
 117             g | gt | gtk  )     val=gtk ;;
 118             * )
 119 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 120 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 121 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 122             ;;
 123           esac
 124           with_x_toolkit=$val
 125 ])
 126
 127 dnl _ON results in a '--without' option in the --help output, so
 128 dnl the help text should refer to "don't compile", etc.
 129 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
 130 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
 131 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
 132 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
 133 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
 134 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
 135
 136 OPTION_DEFAULT_ON([freetype],[don't use Freetype for local font support])
 137 OPTION_DEFAULT_ON([xft],[don't use XFT for anti aliased fonts])
 138 OPTION_DEFAULT_ON([libotf],[don't use libotf for OpenType font support])
 139 OPTION_DEFAULT_ON([m17n-flt],[don't use m17n-flt for text shaping])
 140
 141 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 142 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 143 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
 144 OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X.  This is unsupported!])
 145
 146 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
 147 OPTION_DEFAULT_ON([dbus],[don't compile with D-Bus support])
 148
 149 ## For the times when you want to build Emacs but don't have
 150 ## a suitable makeinfo, and can live without the manuals.
 151 dnl http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01844.html
 152 OPTION_DEFAULT_ON([makeinfo],[don't require makeinfo for building manuals])
 153
 154 dnl Can remove these in Emacs 24.
 155 AC_ARG_WITH([gtk],,
 156   AC_MSG_ERROR([--with-gtk has been removed.  Use --with-x-toolkit to
 157 specify a toolkit.]),,)
 158
 159 AC_ARG_WITH([gcc],,
 160   AC_MSG_ERROR([--with-gcc has been removed.  Set the `CC' environment
 161   variable to specify a compiler.]),,)
 162
 163 AC_ARG_WITH([pkg-config-prog],dnl
 164 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
 165                   [Path to pkg-config for finding GTK and librsvg])])
 166 if test "X${with_pkg_config_prog}" != X; then
 167    if test "${with_pkg_config_prog}" != yes; then
 168       PKG_CONFIG="${with_pkg_config_prog}"
 169    fi
 170 fi
 171
 172 AC_ARG_ENABLE(carbon-app,
 173 [AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@],
 174                 [specify install directory for Emacs.app on Mac OS X
 175                  [DIR=/Application]])],
 176 [ carbon_appdir_x=${enableval}])
 177
 178 ## Enabled by default.
 179 AC_ARG_ENABLE(font-backend,
 180 [AS_HELP_STRING([--disable-font-backend],[don't compile font-backend support])],
 181       USE_FONT_BACKEND=$enableval,
 182       USE_FONT_BACKEND=yes)
 183
 184 AC_ARG_ENABLE(asserts,
 185 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
 186       USE_XASSERTS=$enableval,
 187       USE_XASSERTS=no)
 188
 189 AC_ARG_ENABLE(maintainer-mode,
 190 [AS_HELP_STRING([--enable-maintainer-mode],
 191                 [enable make rules and dependencies not useful (and sometimes
 192                  confusing) to the casual installer])],
 193       USE_MAINTAINER_MODE=$enableval,
 194       USE_MAINTAINER_MODE=no)
 195 if test $USE_MAINTAINER_MODE = yes; then
 196   MAINT=
 197 else
 198   MAINT=#
 199 fi
 200 AC_SUBST(MAINT)
 201
 202 AC_ARG_ENABLE(locallisppath,
 203 [AS_HELP_STRING([--enable-locallisppath=PATH],
 204                 [directories Emacs should search for lisp files specific
 205                  to this site])],
 206 if test "${enableval}" = "no"; then
 207   locallisppath=
 208 elif test "${enableval}" != "yes"; then
 209   locallisppath=${enableval}
 210 fi)
 211
 212 #### Make srcdir absolute, if it isn't already.  It's important to
 213 #### avoid running the path through pwd unnecessarily, since pwd can
 214 #### give you automounter prefixes, which can go away.  We do all this
 215 #### so Emacs can find its files when run uninstalled.
 216 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 217 unset CDPATH
 218 case "${srcdir}" in
 219   /* ) ;;
 220   . )
 221     ## We may be able to use the $PWD environment variable to make this
 222     ## absolute.  But sometimes PWD is inaccurate.
 223     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 224     ## but that tested only for a well-formed and valid PWD,
 225     ## it did not object when PWD was well-formed and valid but just wrong.
 226     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 227     then
 228       srcdir="$PWD"
 229     else
 230       srcdir="`(cd ${srcdir}; pwd)`"
 231     fi
 232   ;;
 233   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 234 esac
 235
 236 #### Check if the source directory already has a configured system in it.
 237 if test `pwd` != `(cd ${srcdir} && pwd)` \
 238    && test -f "${srcdir}/src/config.h" ; then
 239   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 240    as a build directory right now; it has been configured in its own
 241    right.  To configure in another directory as well, you MUST
 242    use GNU make.  If you do not have GNU make, then you must
 243    now do `make distclean' in ${srcdir},
 244    and then run $0 again.]])
 245 fi
 246
 247 #### Given the configuration name, set machfile and opsysfile to the
 248 #### names of the m/*.h and s/*.h files we should use.
 249
 250 ### Canonicalize the configuration name.
 251
 252 AC_CANONICAL_HOST
 253 canonical=$host
 254 configuration=${host_alias-${build_alias-$host}}
 255
 256 dnl This used to use changequote, but, apart from `changequote is evil'
 257 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 258 dnl the great gob of text.  Thus it's not processed for possible expansion.
 259 dnl Just make sure the brackets remain balanced.
 260 dnl
 261 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 262 dnl indicated by comments.
 263 dnl quotation begins
 264 [
 265
 266 ### If you add support for a new configuration, add code to this
 267 ### switch statement to recognize your configuration name and select
 268 ### the appropriate operating system and machine description files.
 269
 270 ### You would hope that you could choose an m/*.h file pretty much
 271 ### based on the machine portion of the configuration name, and an s-
 272 ### file based on the operating system portion.  However, it turns out
 273 ### that each m/*.h file is pretty manufacturer-specific - for
 274 ### example hp9000s300.h is a 68000 machine;
 275 ### mips.h, pmax.h are all MIPS
 276 ### machines.  So we basically have to have a special case for each
 277 ### configuration name.
 278 ###
 279 ### As far as handling version numbers on operating systems is
 280 ### concerned, make sure things will fail in a fixable way.  If
 281 ### /etc/MACHINES doesn't say anything about version numbers, be
 282 ### prepared to handle anything reasonably.  If version numbers
 283 ### matter, be sure /etc/MACHINES says something about it.
 284 ###
 285 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 286 ### "System V Release 4"; he writes, "The old convention encouraged
 287 ### confusion between `system' and `release' levels'."
 288
 289 machine='' opsys='' unported=no
 290 case "${canonical}" in
 291
 292   ## FreeBSD ports
 293   *-*-freebsd* )
 294     opsys=freebsd
 295     case "${canonical}" in
 296       alpha*-*-freebsd*)        machine=alpha ;;
 297       arm*-*-freebsd*)          machine=arm ;;
 298       ia64-*-freebsd*)          machine=ia64 ;;
 299       sparc64-*-freebsd*)       machine=sparc ;;
 300       powerpc-*-freebsd*)       machine=macppc ;;
 301       i[3456]86-*-freebsd*)     machine=intel386 ;;
 302       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 303     esac
 304   ;;
 305
 306   ## FreeBSD kernel + glibc based userland
 307   *-*-kfreebsd*gnu* )
 308     opsys=gnu-kfreebsd
 309     case "${canonical}" in
 310       alpha*-*-kfreebsd*)       machine=alpha ;;
 311       ia64-*-kfreebsd*)         machine=ia64 ;;
 312       sparc64-*-kfreebsd*)      machine=sparc ;;
 313       powerpc-*-kfreebsd*)      machine=macppc ;;
 314       i[3456]86-*-kfreebsd*)    machine=intel386 ;;
 315       amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
 316     esac
 317   ;;
 318
 319   ## NetBSD ports
 320   *-*-netbsd* )
 321     opsys=netbsd
 322     if test -f /usr/lib/crti.o; then]
 323 dnl The close and open brackets here are because this section is quoted --
 324 dnl see the `changequote' comment above.
 325       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 326 [   fi
 327
 328     case "${canonical}" in
 329       alpha*-*-netbsd*) machine=alpha ;;
 330       i[3456]86-*-netbsd*) machine=intel386 ;;
 331       m68k-*-netbsd*)
 332                         # This is somewhat bogus.
 333                         machine=hp9000s300 ;;
 334       mips-*-netbsd*)   machine=pmax ;;
 335       mipsel-*-netbsd*) machine=pmax ;;
 336       mipseb-*-netbsd*) machine=pmax ;;
 337       powerpc-*-netbsd*) machine=macppc ;;
 338       sparc*-*-netbsd*) machine=sparc ;;
 339       vax-*-netbsd*)    machine=vax ;;
 340       arm-*-netbsd*)    machine=arm ;;
 341       x86_64-*-netbsd*) machine=amdx86-64 ;;
 342       hppa-*-netbsd*)   machine=hp800 ;;
 343     esac
 344   ;;
 345
 346   ## OpenBSD ports
 347   *-*-openbsd* )
 348     opsys=openbsd
 349     case "${canonical}" in
 350       alpha*-*-openbsd*)        machine=alpha ;;
 351       arm-*-openbsd*)          machine=arm ;;
 352       hppa-*-openbsd*)         machine=hp9000s300 ;;
 353       i386-*-openbsd*)         machine=intel386 ;;
 354       m68k-*-openbsd*)         machine=hp9000s300 ;;
 355       powerpc-*-openbsd*)      machine=macppc ;;
 356       sparc*-*-openbsd*)       machine=sparc ;;
 357       vax-*-openbsd*)          machine=vax ;;
 358       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 359     esac
 360   ;;
 361
 362   ## LynxOS ports
 363   *-*-lynxos* )
 364     opsys=lynxos
 365     case "${canonical}" in
 366       i[3456]86-*-lynxos*) machine=intel386 ;;
 367       powerpc-*-lynxos*) machine=powerpc ;;
 368     esac
 369   ;;
 370
 371   ## BSDI ports
 372   *-*-bsdi* )
 373     opsys=bsdi
 374     case "${canonical}" in
 375       i[345]86-*-bsdi*) machine=intel386 ;;
 376       sparc-*-bsdi*)  machine=sparc ;;
 377       powerpc-*-bsdi*)  machine=macppc ;;
 378     esac
 379     case "${canonical}" in
 380       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 381       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 382       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 383       *-*-bsdi3* )              opsys=bsdos3 ;;
 384       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 385     esac
 386   ;;
 387
 388   alpha*-*-linux-gnu* )
 389     machine=alpha opsys=gnu-linux
 390   ;;
 391
 392   arm*-*-linux-gnu* )
 393     machine=arm opsys=gnu-linux
 394   ;;
 395
 396   ## Apple Darwin / Mac OS X
 397   *-apple-darwin* )
 398     case "${canonical}" in
 399       i[3456]86-* )  machine=intel386 ;;
 400       powerpc-* )    machine=powermac ;;
 401       * )            unported=yes ;;
 402     esac
 403     opsys=darwin
 404     # Define CPP as follows to make autoconf work correctly.
 405     CPP="${CC-cc} -E -no-cpp-precomp"
 406     # Use fink packages if available.
 407     if test -d /sw/include && test -d /sw/lib; then
 408       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 409       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 410       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 411     fi
 412   ;;
 413
 414   ## Cubix QBx/386
 415   i[3456]86-cubix-sysv* )
 416     machine=intel386 opsys=usg5-3
 417   ;;
 418
 419   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 420     machine=pmax opsys=bsd4-2
 421   ;;
 422   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 423     machine=pmax opsys=bsd4-3
 424   ;;
 425   mips-dec-ultrix* )
 426     machine=pmax opsys=ultrix4-3
 427   ;;
 428   ## HP 9000 series 200 or 300
 429   m68*-hp-bsd* )
 430     machine=hp9000s300 opsys=bsd4-3
 431   ;;
 432   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 433   m68*-hp-hpux* )
 434     case "`uname -r`" in
 435       ## Someone's system reports A.B8.05 for this.
 436       ## I wonder what other possibilities there are.
 437       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 438       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 439       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 440       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 441       *) machine=hp9000s300 opsys=hpux ;;
 442     esac
 443   ;;
 444
 445   ## HP 9000 series 700 and 800, running HP/UX
 446   hppa*-hp-hpux7* )
 447     machine=hp800 opsys=hpux
 448   ;;
 449   hppa*-hp-hpux8* )
 450     machine=hp800 opsys=hpux8
 451   ;;
 452   hppa*-hp-hpux9shr* )
 453     machine=hp800 opsys=hpux9shr
 454   ;;
 455   hppa*-hp-hpux9* )
 456     machine=hp800 opsys=hpux9
 457   ;;
 458   hppa*-hp-hpux10.2* )
 459     machine=hp800 opsys=hpux10-20
 460   ;;
 461   hppa*-hp-hpux10* )
 462     machine=hp800 opsys=hpux10
 463   ;;
 464   hppa*-hp-hpux1[1-9]* )
 465     machine=hp800 opsys=hpux11
 466     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 467   ;;
 468
 469   hppa*-*-linux-gnu* )
 470     machine=hp800 opsys=gnu-linux
 471   ;;
 472
 473   ## HP 9000 series 700 and 800, running HP/UX
 474   hppa*-hp-hpux* )
 475     ## Cross-compilation?  Nah!
 476     case "`uname -r`" in
 477       ## Someone's system reports A.B8.05 for this.
 478       ## I wonder what other possibilities there are.
 479       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 480       *.08.* ) machine=hp800 opsys=hpux8 ;;
 481       *.09.* ) machine=hp800 opsys=hpux9 ;;
 482       *) machine=hp800 opsys=hpux10 ;;
 483     esac
 484   ;;
 485   hppa*-*-nextstep* )
 486     machine=hp800 opsys=nextstep
 487   ;;
 488
 489   ## IBM machines
 490   i370-ibm-aix*)
 491     machine=ibm370aix opsys=usg5-3
 492   ;;
 493   s390-*-linux-gnu* )
 494     machine=ibms390 opsys=gnu-linux
 495   ;;
 496   s390x-*-linux-gnu* )
 497     machine=ibms390x opsys=gnu-linux
 498   ;;
 499   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 500     machine=ibmrs6000 opsys=aix3-1
 501   ;;
 502   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 503     machine=ibmrs6000 opsys=aix3-2-5
 504   ;;
 505   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 506     machine=ibmrs6000 opsys=aix4-1
 507   ;;
 508   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 509     machine=ibmrs6000 opsys=aix4-2
 510   ;;
 511   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 512     machine=ibmrs6000 opsys=aix4-2
 513   ;;
 514   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 515     machine=ibmrs6000 opsys=aix4-2
 516   ;;
 517   rs6000-ibm-aix5* | powerpc-ibm-aix6*  )
 518     machine=ibmrs6000 opsys=aix4-2
 519   ;;
 520   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 521     machine=ibmrs6000 opsys=aix4
 522   ;;
 523   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 524     machine=ibmrs6000 opsys=aix4-1
 525   ;;
 526   rs6000-ibm-aix* | powerpc-ibm-aix* )
 527     machine=ibmrs6000 opsys=aix3-2
 528   ;;
 529
 530   ## Prime EXL
 531   i[3456]86-prime-sysv* )
 532     machine=i386 opsys=usg5-3
 533   ;;
 534
 535   ## ncr machine running svr4.3.
 536   i[3456]86-ncr-sysv4.3 )
 537     machine=ncr386 opsys=usg5-4-3
 538   ;;
 539
 540   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 541   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 542   i[3456]86-ncr-sysv* )
 543     machine=ncr386 opsys=usg5-4-2
 544   ;;
 545
 546   ## Macintosh PowerPC
 547   powerpc*-*-linux-gnu* )
 548     machine=macppc opsys=gnu-linux
 549   ;;
 550
 551   ## Workstations sold by MIPS
 552   ## This is not necessarily all workstations using the MIPS processor -
 553   ## Irises are produced by SGI, and DECstations by DEC.
 554
 555   mips-mips-bsd* )
 556     machine=mips opsys=bsd4-3
 557   ;;
 558   mips-mips-* )
 559     machine=mips opsys=usg5-2-2
 560   ;;
 561
 562   ## NeXT
 563   m68*-next-* | m68k-*-nextstep* )
 564     machine=m68k opsys=nextstep
 565   ;;
 566
 567   ## NEC EWS4800
 568   mips-nec-sysv4*)
 569   machine=ews4800 opsys=ux4800
 570   ;;
 571
 572   ## Siemens Nixdorf
 573   mips-siemens-sysv* | mips-sni-sysv*)
 574     machine=mips-siemens opsys=usg5-4
 575     NON_GNU_CC=/usr/ccs/bin/cc
 576     NON_GNU_CPP=/usr/ccs/lib/cpp
 577   ;;
 578
 579   ## Silicon Graphics machines
 580   ## Iris 4D
 581   mips-sgi-irix6.5 )
 582     machine=iris4d opsys=irix6-5
 583     # Without defining _LANGUAGE_C, things get masked out in the headers
 584     # so that, for instance, grepping for `free' in stdlib.h fails and
 585     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 586     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 587     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 588   ;;
 589
 590   ## Suns
 591   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 592     machine=sparc opsys=gnu-linux
 593   ;;
 594
 595   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 596     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 597     | rs6000-*-solaris2*)
 598     case "${canonical}" in
 599       i[3456]86-*-* )     machine=intel386 ;;
 600       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 601       powerpcle* )      machine=powerpcle ;;
 602       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 603       sparc* )          machine=sparc ;;
 604       * )               unported=yes ;;
 605     esac
 606     case "${canonical}" in
 607       *-sunos5.3* | *-solaris2.3* )
 608                 opsys=sol2-3
 609                 NON_GNU_CPP=/usr/ccs/lib/cpp
 610                 ;;
 611       *-sunos5.4* | *-solaris2.4* )
 612                 opsys=sol2-4
 613                 NON_GNU_CPP=/usr/ccs/lib/cpp
 614                 RANLIB="ar -ts"
 615                 ;;
 616       *-sunos5.5* | *-solaris2.5* )
 617                 opsys=sol2-5
 618                 NON_GNU_CPP=/usr/ccs/lib/cpp
 619                 RANLIB="ar -ts"
 620                 ;;
 621       *-sunos5.6* | *-solaris2.6* )
 622                 opsys=sol2-6
 623                 NON_GNU_CPP=/usr/ccs/lib/cpp
 624                 RANLIB="ar -ts"
 625                 ;;
 626       *-sunos5* | *-solaris* )
 627                 opsys=sol2-6
 628                 emacs_check_sunpro_c=yes
 629                 NON_GNU_CPP=/usr/ccs/lib/cpp
 630                 ;;
 631       *                   ) opsys=bsd4-2   ;;
 632     esac
 633     ## Watch out for a compiler that we know will not work.
 634     case "${canonical}" in
 635      *-solaris* | *-sunos5* )
 636                 if [ "x$CC" = x/usr/ucb/cc ]; then
 637                   ## /usr/ucb/cc doesn't work;
 638                   ## we should find some other compiler that does work.
 639                   unset CC
 640                 fi
 641                 ;;
 642       *) ;;
 643     esac
 644   ;;
 645   sparc-*-nextstep* )
 646     machine=sparc opsys=nextstep
 647   ;;
 648
 649   ## Tandem Integrity S2
 650   mips-tandem-sysv* )
 651     machine=tandem-s2 opsys=usg5-3
 652   ;;
 653
 654   ## Vaxen.
 655   vax-dec-* )
 656     machine=vax
 657     case "${canonical}" in
 658       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 659       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 660       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 661       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 662       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 663       *-vms* )                                          opsys=vms ;;
 664       * )                                               unported=yes
 665     esac
 666   ;;
 667
 668   ## IA-64
 669   ia64*-*-linux* )
 670     machine=ia64 opsys=gnu-linux
 671   ;;
 672
 673   ## Intel 386 machines where we don't care about the manufacturer
 674   i[3456]86-*-* )
 675     machine=intel386
 676     case "${canonical}" in
 677       *-cygwin )                opsys=cygwin ;;
 678       *-darwin* )               opsys=darwin
 679                                 CPP="${CC-cc} -E -no-cpp-precomp"
 680                                 ;;
 681       *-linux-gnu* )            opsys=gnu-linux ;;
 682       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 683       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 684       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 685       *-386bsd* )               opsys=386bsd ;;
 686       *-nextstep* )             opsys=nextstep ;;
 687       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 688     esac
 689   ;;
 690
 691   ## m68k Linux-based GNU system
 692   m68k-*-linux-gnu* )
 693     machine=m68k opsys=gnu-linux
 694   ;;
 695
 696   ## Mips Linux-based GNU system
 697   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
 698     machine=mips opsys=gnu-linux
 699   ;;
 700
 701   ## UXP/DS
 702   sparc-fujitsu-sysv4* )
 703     machine=sparc opsys=uxpds
 704     NON_GNU_CPP=/usr/ccs/lib/cpp
 705     RANLIB="ar -ts"
 706   ;;
 707
 708   ## AMD x86-64 Linux-based GNU system
 709   x86_64-*-linux-gnu* )
 710     machine=amdx86-64 opsys=gnu-linux
 711   ;;
 712
 713   ## Tensilica Xtensa Linux-based GNU system
 714   xtensa*-*-linux-gnu* )
 715     machine=xtensa opsys=gnu-linux
 716     ;;
 717
 718   * )
 719     unported=yes
 720   ;;
 721 esac
 722
 723 ### If the code above didn't choose an operating system, just choose
 724 ### an operating system based on the configuration name.  You really
 725 ### only want to use this when you have no idea what the right
 726 ### operating system is; if you know what operating systems a machine
 727 ### runs, it's cleaner to make it explicit in the case statement
 728 ### above.
 729 if test x"${opsys}" = x; then
 730   case "${canonical}" in
 731     *-gnu* )                            opsys=gnu ;;
 732     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 733     *-bsd4.2 )                          opsys=bsd4-2 ;;
 734     *-bsd4.3 )                          opsys=bsd4-3 ;;
 735     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 736     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 737     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 738     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 739     *-sysv4.2uw* )                      opsys=unixware ;;
 740     *-sysv5uw* )                        opsys=unixware ;;
 741     *-sysv5OpenUNIX* )                  opsys=unixware ;;
 742     *-sysv4.1* | *-sysvr4.1* )
 743         NON_GNU_CPP=/usr/lib/cpp
 744         opsys=usg5-4 ;;
 745     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 746         if [ x$NON_GNU_CPP = x ]; then
 747           if [ -f /usr/ccs/lib/cpp ]; then
 748             NON_GNU_CPP=/usr/ccs/lib/cpp
 749           else
 750             NON_GNU_CPP=/lib/cpp
 751           fi
 752         fi
 753         opsys=usg5-4-2 ;;
 754     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 755     * )
 756       unported=yes
 757     ;;
 758   esac
 759 fi
 760
 761 ### Tests for sytems that we beleive are obsolete and should be desupported.
 762
 763 case "${machine}" in
 764      pmax | hp9000s300 | ibm370aix | ncr386 | ews4800 | mips-siemens | powerpcle | tandem-s2 )
 765           echo "The system that you are configuring on: ${canonical} is considered to be obsolete"
 766           echo "and it is planned to be desupported in the next version of Emacs"
 767           echo "Please email emacs-devel@gnu.org as soon as possible if this system is still in use."
 768           echo "The code is still functional, but you need to edit the 'configure' script and remove the"
 769           echo "exit 33 line.  After that you can run configure again and 'complete' the build."
 770           exit 33
 771           ;;
 772 esac
 773
 774 case "${opsys}" in
 775      bsd386 | bsdos2-1 |  bsdos2 | bsdos3 | bsdos4 | bsd4-1 | bsd4-2 | bsd4-3 | usg5-0 | usg5-2-2 | usg5-2 | usg5-3 | ultrix4-3 | 386bsd | hpux | hpux8 | hpux9 | hpux9shr | hpux10 | aix3-1 | aix3-2-5 | aix3-2 | aix4-1 | nextstep | ux4800 | uxpds | uxpv )
 776           echo "The system that you are configuring on: ${canonical} is considered to be obsolete"
 777           echo "and it is planned to be desupported in the next version of Emacs"
 778           echo "Please email emacs-devel@gnu.org as soon as possible if this system is still in use."
 779           echo "The code is still functional, but you need to edit the 'configure' script and remove the"
 780           echo "'exit 44' line.  After that you can run 'configure' again and complete the build."
 781           exit 44
 782           ;;
 783 esac
 784
 785 ]
 786 dnl quotation ends
 787
 788 if test $unported = yes; then
 789   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
 790 Check `etc/MACHINES' for recognized configuration names.])
 791 fi
 792
 793 machfile="m/${machine}.h"
 794 opsysfile="s/${opsys}.h"
 795
 796
 797 #### Choose a compiler.
 798 test -n "$CC" && cc_specified=yes
 799
 800 # Save the value of CFLAGS that the user specified.
 801 SPECIFIED_CFLAGS="$CFLAGS"
 802
 803 dnl Sets GCC=yes if using gcc.
 804 AC_PROG_CC
 805
 806 # On Suns, sometimes $CPP names a directory.
 807 if test -n "$CPP" && test -d "$CPP"; then
 808   CPP=
 809 fi
 810
 811 ## If not using gcc, and on Solaris, and no CPP specified, see if
 812 ## using a Sun compiler, which needs -Xs to prevent whitespace.
 813 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
 814  test x"$CPP" = x; then
 815   AC_MSG_CHECKING([whether we are using a Sun C compiler])
 816   AC_CACHE_VAL(emacs_cv_sunpro_c,
 817   [AC_TRY_LINK([],
 818 [#ifndef __SUNPRO_C
 819 fail;
 820 #endif
 821 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
 822   AC_MSG_RESULT($emacs_cv_sunpro_c)
 823
 824   if test x"$emacs_cv_sunpro_c" = xyes; then
 825     NON_GNU_CPP="$CC -E -Xs"
 826   fi
 827 fi
 828
 829 #### Some systems specify a CPP to use unless we are using GCC.
 830 #### Now that we know whether we are using GCC, we can decide whether
 831 #### to use that one.
 832 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 833 then
 834   CPP="$NON_GNU_CPP"
 835 fi
 836
 837 #### Some systems specify a CC to use unless we are using GCC.
 838 #### Now that we know whether we are using GCC, we can decide whether
 839 #### to use that one.
 840 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 841   test x$cc_specified != xyes
 842 then
 843   CC="$NON_GNU_CC"
 844 fi
 845
 846 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 847 then
 848   CC="$CC $GCC_TEST_OPTIONS"
 849 fi
 850
 851 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 852 then
 853   CC="$CC $NON_GCC_TEST_OPTIONS"
 854 fi
 855
 856 dnl checks for Unix variants
 857 AC_USE_SYSTEM_EXTENSIONS
 858
 859 ### Use -Wno-pointer-sign if the compiler supports it
 860 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
 861 SAVE_CFLAGS="$CFLAGS"
 862 CFLAGS="$CFLAGS -Wno-pointer-sign"
 863 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 864 if test $has_option = yes; then
 865    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
 866 fi
 867 AC_MSG_RESULT($has_option)
 868 CFLAGS="$SAVE_CFLAGS"
 869 unset has_option
 870 unset SAVE_CFLAGS
 871
 872 #### Some other nice autoconf tests.
 873
 874 dnl checks for programs
 875 AC_PROG_LN_S
 876 AC_PROG_CPP
 877 AC_PROG_INSTALL
 878 if test "x$RANLIB" = x; then
 879   AC_PROG_RANLIB
 880 fi
 881 AC_PATH_PROG(INSTALL_INFO, install-info)
 882 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
 883 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
 884 dnl Don't use GZIP, which is used by gzip for additional parameters.
 885 AC_PATH_PROG(GZIP_PROG, gzip)
 886
 887
 888 ## Need makeinfo >= 4.6 (?) to build the manuals.
 889 AC_PATH_PROG(MAKEINFO, makeinfo, no)
 890 dnl By this stage, configure has already checked for egrep and set EGREP,
 891 dnl or exited with an error if no egrep was found.
 892 if test "$MAKEINFO" != "no" && \
 893   test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
 894    MAKEINFO=no
 895 fi
 896
 897 if test "$MAKEINFO" = "no" && test "x${with_makeinfo}" != "xno"; then
 898
 899    if test -e $srcdir/info/emacs; then
 900       gotinfo="seems"
 901    else
 902       gotinfo="does NOT seem"
 903    fi
 904
 905   AC_MSG_ERROR( [You do not seem to have makeinfo >= 4.6.
 906 You will not be able to build the Emacs manuals.
 907 In Emacs releases, they are prebuilt, so this might not be a problem.
 908 Your source tree $gotinfo to have manuals in the `info' directory.
 909 Either install a suitable version of makeinfo, or re-run configure
 910 with the `--without-makeinfo' option.] )
 911
 912 fi
 913
 914 dnl Add our options to ac_link now, after it is set up.
 915
 916 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
 917 then
 918   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
 919 fi
 920
 921 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
 922 then
 923   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
 924 fi
 925
 926 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
 927 dnl If we can link with the flag, it shouldn't do any harm anyhow.
 928 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
 929 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
 930 dnl if not built to support GNU ld.
 931
 932 late_LDFLAGS=$LDFLAGS
 933 if test "$GCC" = yes; then
 934   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
 935 else
 936   LDFLAGS="$LDFLAGS -znocombreloc"
 937 fi
 938
 939 AC_MSG_CHECKING([for -znocombreloc])
 940 AC_LINK_IFELSE([main(){return 0;}],
 941   [AC_MSG_RESULT(yes)],
 942   LDFLAGS=$late_LDFLAGS
 943   [AC_MSG_RESULT(no)])
 944
 945 #### Extract some information from the operating system and machine files.
 946
 947 AC_CHECKING([the machine- and system-dependent files to find out
 948  - which libraries the lib-src programs will want, and
 949  - whether the GNU malloc routines are usable])
 950
 951 ### First figure out CFLAGS (which we use for running the compiler here)
 952 ### and REAL_CFLAGS (which we use for real compilation).
 953 ### The two are the same except on a few systems, where they are made
 954 ### different to work around various lossages.  For example,
 955 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
 956 ### as implying static linking.
 957
 958 ### If the CFLAGS env var is specified, we use that value
 959 ### instead of the default.
 960
 961 ### It's not important that this name contain the PID; you can't run
 962 ### two configures in the same directory and have anything work
 963 ### anyway.
 964 tempcname="conftest.c"
 965
 966 echo '
 967 #include "'${srcdir}'/src/'${opsysfile}'"
 968 #include "'${srcdir}'/src/'${machfile}'"
 969 #ifndef LIBS_MACHINE
 970 #define LIBS_MACHINE
 971 #endif
 972 #ifndef LIBS_SYSTEM
 973 #define LIBS_SYSTEM
 974 #endif
 975 #ifndef C_SWITCH_SYSTEM
 976 #define C_SWITCH_SYSTEM
 977 #endif
 978 #ifndef C_SWITCH_MACHINE
 979 #define C_SWITCH_MACHINE
 980 #endif
 981 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 982 configure___ c_switch_system=C_SWITCH_SYSTEM
 983 configure___ c_switch_machine=C_SWITCH_MACHINE
 984
 985 #ifndef LIB_X11_LIB
 986 #define LIB_X11_LIB -lX11
 987 #endif
 988
 989 #ifndef LIBX11_SYSTEM
 990 #define LIBX11_SYSTEM
 991 #endif
 992 configure___ LIBX=LIB_X11_LIB LIBX11_SYSTEM
 993
 994 #ifdef UNEXEC
 995 configure___ unexec=UNEXEC
 996 #else
 997 configure___ unexec=unexec.o
 998 #endif
 999
1000 #ifdef SYSTEM_MALLOC
1001 configure___ system_malloc=yes
1002 #else
1003 configure___ system_malloc=no
1004 #endif
1005
1006 #ifdef USE_MMAP_FOR_BUFFERS
1007 configure___ use_mmap_for_buffers=yes
1008 #else
1009 configure___ use_mmap_for_buffers=no
1010 #endif
1011
1012 #ifndef C_DEBUG_SWITCH
1013 #define C_DEBUG_SWITCH -g
1014 #endif
1015
1016 #ifndef C_OPTIMIZE_SWITCH
1017 #ifdef __GNUC__
1018 #define C_OPTIMIZE_SWITCH -O2
1019 #else
1020 #define C_OPTIMIZE_SWITCH -O
1021 #endif
1022 #endif
1023
1024 #ifndef C_WARNINGS_SWITCH
1025 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1026 #endif
1027
1028 #ifndef LD_SWITCH_MACHINE
1029 #define LD_SWITCH_MACHINE
1030 #endif
1031
1032 #ifndef LD_SWITCH_SYSTEM
1033 #define LD_SWITCH_SYSTEM
1034 #endif
1035
1036 #ifndef LD_SWITCH_X_SITE_AUX
1037 #define LD_SWITCH_X_SITE_AUX
1038 #endif
1039
1040 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1041 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1042
1043 #ifdef THIS_IS_CONFIGURE
1044
1045 /* Get the CFLAGS for tests in configure.  */
1046 #ifdef __GNUC__
1047 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1048 #else
1049 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1050 #endif
1051
1052 #else /* not THIS_IS_CONFIGURE */
1053
1054 /* Get the CFLAGS for real compilation.  */
1055 #ifdef __GNUC__
1056 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1057 #else
1058 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1059 #endif
1060
1061 #endif /* not THIS_IS_CONFIGURE */
1062 ' > ${tempcname}
1063
1064 # The value of CPP is a quoted variable reference, so we need to do this
1065 # to get its actual value...
1066 CPP=`eval "echo $CPP"`
1067 [eval `${CPP} -Isrc ${tempcname} \
1068        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1069 if test "x$SPECIFIED_CFLAGS" = x; then
1070   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1071          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1072 else
1073   REAL_CFLAGS="$CFLAGS"
1074 fi]
1075 rm ${tempcname}
1076
1077 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1078
1079 ### Make sure subsequent tests use flags consistent with the build flags.
1080
1081 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1082   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1083 else
1084   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1085 fi
1086
1087 dnl For AC_FUNC_GETLOADAVG, at least:
1088 AC_CONFIG_LIBOBJ_DIR(src)
1089
1090 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1091 AC_SYS_LARGEFILE
1092
1093
1094 ### The standard library on x86-64 and s390x GNU/Linux distributions can
1095 ### be located in either /usr/lib64 or /usr/lib.
1096 case "${canonical}" in
1097   x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
1098     if test -d /usr/lib64; then
1099       AC_DEFINE(HAVE_LIB64_DIR, 1,
1100         [Define to 1 if the directory /usr/lib64 exists.])
1101 fi
1102 esac
1103
1104 dnl This function defintion taken from Gnome 2.0
1105 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1106 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1107 dnl also defines GSTUFF_PKG_ERRORS on error
1108 AC_DEFUN([PKG_CHECK_MODULES], [
1109   succeeded=no
1110
1111   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1112
1113   if test "$PKG_CONFIG" = "no" ; then
1114      ifelse([$4], , [AC_MSG_ERROR([
1115       *** The pkg-config script could not be found. Make sure it is in your path, or give the full path to pkg-config with the PKG_CONFIG environment variable or --with-pkg-config-prog.  Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config.])], [$4])
1116   else
1117      PKG_CONFIG_MIN_VERSION=0.9.0
1118      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1119         AC_MSG_CHECKING(for $2)
1120
1121         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1122             AC_MSG_RESULT(yes)
1123             succeeded=yes
1124
1125             AC_MSG_CHECKING($1_CFLAGS)
1126             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1127             AC_MSG_RESULT($$1_CFLAGS)
1128
1129             AC_MSG_CHECKING($1_LIBS)
1130             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1131             AC_MSG_RESULT($$1_LIBS)
1132         else
1133             AC_MSG_RESULT(no)
1134             $1_CFLAGS=""
1135             $1_LIBS=""
1136             ## If we have a custom action on failure, don't print errors, but
1137             ## do set a variable so people can do so.
1138             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1139             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1140         fi
1141
1142         AC_SUBST($1_CFLAGS)
1143         AC_SUBST($1_LIBS)
1144      else
1145         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1146         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1147      fi
1148   fi
1149
1150   if test $succeeded = yes; then
1151      ifelse([$3], , :, [$3])
1152   else
1153      ifelse([$4], , [AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.])], [$4])
1154   fi
1155 ])
1156
1157
1158 if test "${with_sound}" != "no"; then
1159   # Sound support for GNU/Linux and the free BSDs.
1160   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1161   # Emulation library used on NetBSD.
1162   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1163   AC_SUBST(LIBSOUND)
1164
1165   ALSA_REQUIRED=1.0.0
1166   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1167   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1168   if test $HAVE_ALSA = yes; then
1169     SAVE_CFLAGS="$CFLAGS"
1170     SAVE_LDFLAGS="$LDFLAGS"
1171     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1172     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1173     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1174                     emacs_alsa_normal=yes,
1175                     emacs_alsa_normal=no)
1176     if test "$emacs_alsa_normal" != yes; then
1177       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1178                      [snd_lib_error_set_handler (0);],
1179                      emacs_alsa_subdir=yes,
1180                      emacs_alsa_subdir=no)
1181       if test "$emacs_alsa_subdir" != yes; then
1182         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1183       fi
1184       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1185     fi
1186
1187     CFLAGS="$SAVE_CFLAGS"
1188     LDFLAGS="$SAVE_LDFLAGS"
1189     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1190     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1191     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1192   fi
1193   AC_SUBST(CFLAGS_SOUND)
1194 fi
1195
1196 dnl checks for header files
1197 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1198   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1199   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1200   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1201   sys/utsname.h pwd.h)
1202
1203 AC_MSG_CHECKING(if personality LINUX32 can be set)
1204 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1205                emacs_cv_personality_linux32=yes,
1206                emacs_cv_personality_linux32=no)
1207 AC_MSG_RESULT($emacs_cv_personality_linux32)
1208
1209 if test $emacs_cv_personality_linux32 = yes; then
1210   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1211             [Define to 1 if personality LINUX32 can be set.])
1212 fi
1213
1214 dnl On Solaris 8 there's a compilation warning for term.h because
1215 dnl it doesn't define `bool'.
1216 AC_CHECK_HEADERS(term.h, , , -)
1217 AC_HEADER_STDC
1218 AC_HEADER_TIME
1219 AC_CHECK_DECLS([sys_siglist])
1220 if test $ac_cv_have_decl_sys_siglist != yes; then
1221   # For Tru64, at least:
1222   AC_CHECK_DECLS([__sys_siglist])
1223   if test $ac_cv_have_decl___sys_siglist = yes; then
1224     AC_DEFINE(sys_siglist, __sys_siglist,
1225               [Define to any substitute for sys_siglist.])
1226   fi
1227 fi
1228 AC_HEADER_SYS_WAIT
1229
1230 dnl Some systems have utime.h but don't declare the struct anyplace.
1231 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1232 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1233 #include <sys/time.h>
1234 #include <time.h>
1235 #else
1236 #ifdef HAVE_SYS_TIME_H
1237 #include <sys/time.h>
1238 #else
1239 #include <time.h>
1240 #endif
1241 #endif
1242 #ifdef HAVE_UTIME_H
1243 #include <utime.h>
1244 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1245   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1246 if test $emacs_cv_struct_utimbuf = yes; then
1247   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1248 fi
1249
1250 dnl checks for typedefs
1251 AC_TYPE_SIGNAL
1252
1253 dnl Check for speed_t typedef.
1254 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1255   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1256     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1257 if test $emacs_cv_speed_t = yes; then
1258   AC_DEFINE(HAVE_SPEED_T, 1,
1259            [Define to 1 if `speed_t' is declared by <termios.h>.])
1260 fi
1261
1262 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1263 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1264 #include <sys/time.h>
1265 #include <time.h>
1266 #else
1267 #ifdef HAVE_SYS_TIME_H
1268 #include <sys/time.h>
1269 #else
1270 #include <time.h>
1271 #endif
1272 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1273   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1274 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1275 if test $emacs_cv_struct_timeval = yes; then
1276   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1277 fi
1278
1279 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1280 AC_TRY_COMPILE([#include <math.h>],
1281 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1282   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1283 HAVE_EXCEPTION=$emacs_cv_struct_exception
1284 if test $emacs_cv_struct_exception != yes; then
1285   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1286 fi
1287
1288 AC_CHECK_HEADERS(sys/socket.h)
1289 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1290 #if HAVE_SYS_SOCKET_H
1291 #include <sys/socket.h>
1292 #endif])
1293
1294 dnl checks for structure members
1295 AC_STRUCT_TM
1296 AC_STRUCT_TIMEZONE
1297 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1298                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1299                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1300                 [#include <time.h>])
1301 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1302                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1303                   struct ifreq.ifr_addr], , ,
1304                  [AC_INCLUDES_DEFAULT
1305 #if HAVE_SYS_SOCKET_H
1306 #include <sys/socket.h>
1307 #endif
1308 #if HAVE_NET_IF_H
1309 #include <net/if.h>
1310 #endif])
1311
1312 dnl checks for compiler characteristics
1313
1314 dnl Testing __STDC__ to determine prototype support isn't good enough.
1315 dnl DEC C, for instance, doesn't define it with default options, and
1316 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1317 dnl and void *.
1318 AC_C_PROTOTYPES
1319 AC_C_VOLATILE
1320 AC_C_CONST
1321 dnl This isn't useful because we can't turn on use of `inline' unless
1322 dnl the compiler groks `extern inline'.
1323 dnl AC_C_INLINE
1324 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1325   [AC_TRY_COMPILE(, [void * foo;],
1326                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1327 if test $emacs_cv_void_star = yes; then
1328   AC_DEFINE(POINTER_TYPE, void)
1329 else
1330   AC_DEFINE(POINTER_TYPE, char)
1331 fi
1332 AH_TEMPLATE(POINTER_TYPE,
1333             [Define as `void' if your compiler accepts `void *'; otherwise
1334              define as `char'.])dnl
1335
1336
1337
1338 dnl This could be used for targets which can have both byte sexes.
1339 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1340 dnl AC_C_BIGENDIAN
1341
1342 dnl check for Make feature
1343 AC_PROG_MAKE_SET
1344
1345 dnl checks for operating system services
1346 AC_SYS_LONG_FILE_NAMES
1347
1348 #### Choose a window system.
1349
1350 AC_PATH_X
1351 if test "$no_x" = yes; then
1352   window_system=none
1353 else
1354   window_system=x11
1355 fi
1356
1357 ## Workaround for bug in autoconf <= 2.62.
1358 ## http://lists.gnu.org/archive/html/emacs-devel/2008-04/msg01551.html
1359 ## No need to do anything special for these standard directories.
1360 ## This is an experiment, take it out if it causes problems.
1361 if test -n "${x_libraries}" && test x"${x_libraries}" != xNONE; then
1362
1363    x_libraries=`echo :${x_libraries}: | sed -e 's|:/usr/lib64:|:|g' -e 's|:/lib64:|:|g' -e 's|^:||' -e 's|:$||'`
1364
1365 fi
1366
1367 if test "${x_libraries}" != NONE; then
1368   if test -n "${x_libraries}"; then
1369     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1370     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1371   fi
1372   x_default_search_path=""
1373   x_search_path=${x_libraries}
1374   if test -z "${x_search_path}"; then
1375     x_search_path=/usr/lib
1376   fi
1377   for x_library in `echo ${x_search_path}: | \
1378                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1379     x_search_path="\
1380 ${x_library}/X11/%L/%T/%N%C%S:\
1381 ${x_library}/X11/%l/%T/%N%C%S:\
1382 ${x_library}/X11/%T/%N%C%S:\
1383 ${x_library}/X11/%L/%T/%N%S:\
1384 ${x_library}/X11/%l/%T/%N%S:\
1385 ${x_library}/X11/%T/%N%S"
1386     if test x"${x_default_search_path}" = x; then
1387       x_default_search_path=${x_search_path}
1388     else
1389       x_default_search_path="${x_search_path}:${x_default_search_path}"
1390     fi
1391   done
1392 fi
1393 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1394   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1395 fi
1396
1397 if test x"${x_includes}" = x; then
1398   bitmapdir=/usr/include/X11/bitmaps
1399 else
1400   # accumulate include directories that have X11 bitmap subdirectories
1401   bmd_acc="dummyval"
1402   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1403     if test -d "${bmd}/X11/bitmaps"; then
1404       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1405     fi
1406     if test -d "${bmd}/bitmaps"; then
1407       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1408     fi
1409   done
1410   if test ${bmd_acc} != "dummyval"; then
1411     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1412   fi
1413 fi
1414
1415 HAVE_CARBON=no
1416 if test "${with_carbon}" != no; then
1417   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1418 fi
1419 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1420   if test "${with_carbon+set}" != set \
1421      && test "${carbon_appdir_x+set}" != set; then
1422     for var in with_x with_x_toolkit with_xim \
1423                with_xpm with_jpeg with_tiff with_gif with_png; do
1424       if eval test \"\${$var+set}\" = set; then
1425         HAVE_CARBON=no
1426         break
1427       fi
1428     done
1429   fi
1430 fi
1431 if test "${HAVE_CARBON}" = yes; then
1432   window_system=mac
1433 fi
1434
1435 case "${window_system}" in
1436   x11 )
1437     HAVE_X_WINDOWS=yes
1438     HAVE_X11=yes
1439     case "${with_x_toolkit}" in
1440       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1441       motif ) USE_X_TOOLKIT=MOTIF ;;
1442       gtk ) with_gtk=yes
1443 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1444 dnl USE_X_TOOLKIT is set.
1445             USE_X_TOOLKIT=none ;;
1446       no ) USE_X_TOOLKIT=none ;;
1447 dnl If user did not say whether to use a toolkit, make this decision later:
1448 dnl use the toolkit if we have gtk, or X11R5 or newer.
1449       * ) USE_X_TOOLKIT=maybe ;;
1450     esac
1451   ;;
1452   mac | none )
1453     HAVE_X_WINDOWS=no
1454     HAVE_X11=no
1455     USE_X_TOOLKIT=none
1456   ;;
1457 esac
1458
1459 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1460    AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1461    if test "$HAVE_XSERVER" = true ||
1462       test -n "$DISPLAY" ||
1463       test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1464         AC_MSG_ERROR([You seem to be running X, but no X development libraries
1465 were found.  You should install the relevant development files for X
1466 and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also make
1467 sure you have development files for image handling, i.e.
1468 tiff, gif, jpeg, png and xpm.
1469 If you are sure you want Emacs compiled without X window support, pass
1470   --without-x
1471 to configure.])
1472    fi
1473 fi
1474
1475 ### If we're using X11, we should use the X menu package.
1476 HAVE_MENUS=no
1477 case ${HAVE_X11} in
1478   yes ) HAVE_MENUS=yes ;;
1479 esac
1480
1481 ### Compute the unexec source name from the object name.
1482 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1483
1484 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1485 # Assume not, until told otherwise.
1486 GNU_MALLOC=yes
1487 doug_lea_malloc=yes
1488 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1489 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1490 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1491                emacs_cv_var___after_morecore_hook,
1492 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1493   emacs_cv_var___after_morecore_hook=yes,
1494   emacs_cv_var___after_morecore_hook=no)])
1495 if test $emacs_cv_var___after_morecore_hook = no; then
1496   doug_lea_malloc=no
1497 fi
1498 if test "${system_malloc}" = "yes"; then
1499   GNU_MALLOC=no
1500   GNU_MALLOC_reason="
1501     (The GNU allocators don't work with this system configuration.)"
1502 fi
1503 if test "$doug_lea_malloc" = "yes" ; then
1504   if test "$GNU_MALLOC" = yes ; then
1505     GNU_MALLOC_reason="
1506       (Using Doug Lea's new malloc from the GNU C Library.)"
1507   fi
1508   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1509             [Define to 1 if you are using the GNU C Library.])
1510 fi
1511
1512 if test x"${REL_ALLOC}" = x; then
1513   REL_ALLOC=${GNU_MALLOC}
1514 fi
1515
1516 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1517 dnl the system configuration file (s/*.h) to turn the use of mmap
1518 dnl in the relocating allocator on.
1519
1520 AC_FUNC_MMAP
1521 if test $use_mmap_for_buffers = yes; then
1522   REL_ALLOC=no
1523 fi
1524
1525 LIBS="$libsrc_libs $LIBS"
1526
1527 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1528 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1529 AC_CHECK_LIB(dnet, dnet_ntoa)
1530 dnl This causes -lresolv to get used in subsequent tests,
1531 dnl which causes failures on some systems such as HPUX 9.
1532 dnl AC_CHECK_LIB(resolv, gethostbyname)
1533
1534 dnl FIXME replace main with a function we actually want from this library.
1535 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1536
1537 AC_CHECK_LIB(pthreads, cma_open)
1538
1539 dnl Check for need for bigtoc support on IBM AIX
1540
1541 case ${host_os} in
1542 aix*)
1543   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1544     case $GCC in
1545     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1546     *) gdb_cv_bigtoc=-bbigtoc ;;
1547     esac
1548
1549     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1550     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1551   ])
1552   ;;
1553 esac
1554
1555 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1556 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1557 # REAL_CPPFLAGS later on.
1558
1559 REAL_CPPFLAGS="$CPPFLAGS"
1560
1561 if test "${HAVE_X11}" = "yes"; then
1562   DEFS="$C_SWITCH_X_SITE $DEFS"
1563   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1564   LIBS="$LIBX $LIBS"
1565   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1566   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1567
1568   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1569   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1570   # but it's more convenient here to set LD_RUN_PATH
1571   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1572   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1573     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1574     export LD_RUN_PATH
1575   fi
1576
1577   if test "${opsys}" = "gnu-linux"; then
1578     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1579     AC_TRY_LINK([],
1580      [XOpenDisplay ("foo");],
1581      [xlinux_first_failure=no],
1582      [xlinux_first_failure=yes])
1583     if test "${xlinux_first_failure}" = "yes"; then
1584       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1585       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1586       OLD_CPPFLAGS="$CPPFLAGS"
1587       OLD_LIBS="$LIBS"
1588       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1589       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1590       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1591       LIBS="$LIBS -b i486-linuxaout"
1592       AC_TRY_LINK([],
1593        [XOpenDisplay ("foo");],
1594        [xlinux_second_failure=no],
1595        [xlinux_second_failure=yes])
1596       if test "${xlinux_second_failure}" = "yes"; then
1597         # If we get the same failure with -b, there is no use adding -b.
1598         # So take it out.  This plays safe.
1599         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1600         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1601         CPPFLAGS="$OLD_CPPFLAGS"
1602         LIBS="$OLD_LIBS"
1603         AC_MSG_RESULT(no)
1604       else
1605         AC_MSG_RESULT(yes)
1606       fi
1607     else
1608       AC_MSG_RESULT(no)
1609     fi
1610   fi
1611
1612   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1613   # header files included from there.
1614   AC_MSG_CHECKING(for Xkb)
1615   AC_TRY_LINK([#include <X11/Xlib.h>
1616 #include <X11/XKBlib.h>],
1617         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1618         emacs_xkb=yes, emacs_xkb=no)
1619   AC_MSG_RESULT($emacs_xkb)
1620   if test $emacs_xkb = yes; then
1621     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1622   fi
1623
1624   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1625 XScreenNumberOfScreen XSetWMProtocols)
1626 fi
1627
1628 if test "${window_system}" = "x11"; then
1629   AC_MSG_CHECKING(X11 version 6)
1630   AC_CACHE_VAL(emacs_cv_x11_version_6,
1631   [AC_TRY_LINK([#include <X11/Xlib.h>],
1632 [#if XlibSpecificationRelease < 6
1633 fail;
1634 #endif
1635 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1636   if test $emacs_cv_x11_version_6 = yes; then
1637     AC_MSG_RESULT(6 or newer)
1638     AC_DEFINE(HAVE_X11R6, 1,
1639               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1640   else
1641     AC_MSG_RESULT(before 6)
1642   fi
1643 fi
1644
1645
1646 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1647 HAVE_RSVG=no
1648 if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
1649   if test "${with_rsvg}" != "no"; then
1650     RSVG_REQUIRED=2.0.0
1651     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1652
1653     PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1654     AC_SUBST(RSVG_CFLAGS)
1655     AC_SUBST(RSVG_LIBS)
1656
1657     if test ".${RSVG_CFLAGS}" != "."; then
1658       HAVE_RSVG=yes
1659       AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1660       CFLAGS="$CFLAGS $RSVG_CFLAGS"
1661       LIBS="$RSVG_LIBS $LIBS"
1662     fi
1663   fi
1664 fi
1665
1666
1667 HAVE_GTK=no
1668 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "maybe"; then
1669   GLIB_REQUIRED=2.6
1670   GTK_REQUIRED=2.6
1671   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1672
1673   dnl Checks for libraries.
1674   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1675   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1676      AC_MSG_ERROR($GTK_PKG_ERRORS)
1677   fi
1678 fi
1679
1680
1681 if test x"$pkg_check_gtk" = xyes; then
1682
1683   AC_SUBST(GTK_CFLAGS)
1684   AC_SUBST(GTK_LIBS)
1685   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1686   CFLAGS="$CFLAGS $GTK_CFLAGS"
1687   LIBS="$GTK_LIBS $LIBS"
1688   dnl Try to compile a simple GTK program.
1689   GTK_COMPILES=no
1690   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1691   if test "${GTK_COMPILES}" != "yes"; then
1692     if test "$USE_X_TOOLKIT" != "maybe"; then
1693       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
1694     fi
1695   else
1696     HAVE_GTK=yes
1697     AC_DEFINE(USE_GTK, 1, [Define to 1 if using GTK.])
1698     USE_X_TOOLKIT=none
1699     if $PKG_CONFIG --atleast-version=2.10 gtk+-2.0; then
1700       :
1701     else
1702       AC_MSG_WARN([[Your version of Gtk+ will have problems with
1703        closing open displays.  This is no problem if you just use
1704        one display, but if you use more than one and close one of them
1705        Emacs may crash.]])
1706       sleep 3
1707     fi
1708   fi
1709
1710 fi
1711
1712
1713 if test "${HAVE_GTK}" = "yes"; then
1714
1715   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1716   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
1717   if test "$with_toolkit_scroll_bars" != no; then
1718     with_toolkit_scroll_bars=yes
1719   fi
1720
1721   dnl  Check if we can use multiple displays with this GTK version.
1722   dnl  If gdk_display_open exists, assume all others are there also.
1723   HAVE_GTK_MULTIDISPLAY=no
1724   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1725   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1726     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1727               [Define to 1 if GTK can handle more than one display.])
1728   fi
1729
1730   dnl  Check if we have the old file selection dialog.
1731   dnl  If gdk_display_open exists, assume all others are there also.
1732   HAVE_GTK_FILE_SELECTION=no
1733   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1734
1735   dnl  Check if we have the new file chooser dialog
1736   dnl  If gdk_display_open exists, assume all others are there also.
1737   HAVE_GTK_FILE_CHOOSER=no
1738   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1739
1740   if test "$HAVE_GTK_FILE_SELECTION" = yes \
1741      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
1742     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1743               [Define to 1 if GTK has both file selection and chooser dialog.])
1744   fi
1745
1746   dnl Check if pthreads are available.  Emacs only needs this when using
1747   dnl gtk_file_chooser under Gnome.
1748   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1749     HAVE_GTK_AND_PTHREAD=no
1750     AC_CHECK_HEADERS(pthread.h)
1751     if test "$ac_cv_header_pthread_h"; then
1752       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1753     fi
1754     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1755       case "${canonical}" in
1756         *-hpux*) ;;
1757         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1758       esac
1759       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1760                [Define to 1 if you have GTK and pthread (-lpthread).])
1761     fi
1762   fi
1763 fi
1764
1765 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
1766 dnl other platforms.  Support for higher D-Bus versions than 1.0 is
1767 dnl also not configured.
1768 HAVE_DBUS=no
1769 if test "${with_dbus}" = "yes"; then
1770    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1771    if test "$HAVE_DBUS" = yes; then
1772       AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1773    fi
1774 fi
1775
1776 dnl Do not put whitespace before the #include statements below.
1777 dnl Older compilers (eg sunos4 cc) choke on it.
1778 HAVE_XAW3D=no
1779 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1780   if test "$with_xaw3d" != no; then
1781     AC_MSG_CHECKING(for xaw3d)
1782     AC_CACHE_VAL(emacs_cv_xaw3d,
1783     [AC_TRY_LINK([
1784 #include <X11/Intrinsic.h>
1785 #include <X11/Xaw3d/Simple.h>],
1786       [],
1787       emacs_cv_xaw3d=yes,
1788       emacs_cv_xaw3d=no)])
1789   else
1790     emacs_cv_xaw3d=no
1791   fi
1792   if test $emacs_cv_xaw3d = yes; then
1793     AC_MSG_RESULT([yes; using Lucid toolkit])
1794     USE_X_TOOLKIT=LUCID
1795     HAVE_XAW3D=yes
1796     AC_DEFINE(HAVE_XAW3D, 1,
1797               [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1798   else
1799     AC_MSG_RESULT(no)
1800     AC_MSG_CHECKING(for libXaw)
1801     AC_CACHE_VAL(emacs_cv_xaw,
1802     [AC_TRY_LINK([
1803 #include <X11/Intrinsic.h>
1804 #include <X11/Xaw/Simple.h>],
1805       [],
1806       emacs_cv_xaw=yes,
1807       emacs_cv_xaw=no)])
1808     if test $emacs_cv_xaw = yes; then
1809       AC_MSG_RESULT([yes; using Lucid toolkit])
1810       USE_X_TOOLKIT=LUCID
1811     elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1812       AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1813     else
1814       AC_MSG_RESULT([no; do not use toolkit by default])
1815       USE_X_TOOLKIT=none
1816     fi
1817   fi
1818 fi
1819
1820 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1821
1822 if test "${USE_X_TOOLKIT}" != "none"; then
1823   AC_MSG_CHECKING(X11 toolkit version)
1824   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1825   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1826 [#if XtSpecificationRelease < 6
1827 fail;
1828 #endif
1829 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1830   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1831   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1832     AC_MSG_RESULT(6 or newer)
1833     AC_DEFINE(HAVE_X11XTR6, 1,
1834               [Define to 1 if you have the X11R6 or newer version of Xt.])
1835   else
1836     AC_MSG_RESULT(before 6)
1837   fi
1838
1839 dnl If using toolkit, check whether libXmu.a exists.
1840 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1841   OLDLIBS="$LIBS"
1842   if test x$HAVE_X11XTR6 = xyes; then
1843     LIBS="-lXt -lSM -lICE $LIBS"
1844   else
1845     LIBS="-lXt $LIBS"
1846   fi
1847   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1848   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1849 fi
1850
1851 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1852 if test "${HAVE_X11}" = "yes"; then
1853   if test "${USE_X_TOOLKIT}" != "none"; then
1854     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1855   fi
1856 fi
1857
1858 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1859   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1860   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1861     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1862 int x = 5;
1863 #else
1864 Motif version prior to 2.1.
1865 #endif],
1866     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1867   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1868   if test $emacs_cv_motif_version_2_1 = yes; then
1869     HAVE_LIBXP=no
1870     AC_DEFINE(HAVE_MOTIF_2_1, 1,
1871               [Define to 1 if you have Motif 2.1 or newer.])
1872     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1873     if test ${HAVE_LIBXP} = yes; then
1874       AC_DEFINE(HAVE_LIBXP, 1,
1875                 [Define to 1 if you have the Xp library (-lXp).])
1876     fi
1877   else
1878     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1879     # We put this in CFLAGS temporarily to precede other -I options
1880     # that might be in CFLAGS temporarily.
1881     # We put this in CPPFLAGS where it precedes the other -I options.
1882     OLD_CPPFLAGS=$CPPFLAGS
1883     OLD_CFLAGS=$CFLAGS
1884     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1885     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1886     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1887       [int x = 5;],
1888       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1889     if test $emacs_cv_lesstif = yes; then
1890       # Make sure this -I option remains in CPPFLAGS after it is set
1891       # back to REAL_CPPFLAGS.
1892       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1893       # have those other -I options anyway.  Ultimately, having this
1894       # directory ultimately in CPPFLAGS will be enough.
1895       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1896       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1897     else
1898       CFLAGS=$OLD_CFLAGS
1899       CPPFLAGS=$OLD_CPPFLAGS
1900     fi
1901   fi
1902 fi
1903
1904 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1905 dnl using Motif or Xaw3d is available, and unless
1906 dnl --with-toolkit-scroll-bars=no was specified.
1907
1908 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1909             [Define to 1 if we should use toolkit scroll bars.])dnl
1910 USE_TOOLKIT_SCROLL_BARS=no
1911 if test "${with_toolkit_scroll_bars}" != "no"; then
1912   if test "${USE_X_TOOLKIT}" != "none"; then
1913     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1914       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1915       HAVE_XAW3D=no
1916       USE_TOOLKIT_SCROLL_BARS=yes
1917     elif test "${HAVE_XAW3D}" = "yes"; then
1918       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1919       USE_TOOLKIT_SCROLL_BARS=yes
1920     fi
1921   elif test "${HAVE_GTK}" = "yes"; then
1922     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1923     USE_TOOLKIT_SCROLL_BARS=yes
1924   elif test "${HAVE_CARBON}" = "yes"; then
1925     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1926     USE_TOOLKIT_SCROLL_BARS=yes
1927   fi
1928 fi
1929
1930 dnl See if XIM is available.
1931 AC_TRY_COMPILE([
1932           #include <X11/Xlib.h>
1933           #include <X11/Xresource.h>],
1934          [XIMProc  callback;],
1935          [HAVE_XIM=yes
1936          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1937          HAVE_XIM=no)
1938
1939 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1940
1941 if test "${with_xim}" != "no"; then
1942   AC_DEFINE(USE_XIM, 1,
1943             [Define to 1 if we should use XIM, if it is available.])
1944 fi
1945
1946
1947 if test "${HAVE_XIM}" != "no"; then
1948   late_CFLAGS=$CFLAGS
1949   if test "$GCC" = yes; then
1950     CFLAGS="$CFLAGS --pedantic-errors"
1951   fi
1952   AC_TRY_COMPILE([
1953 #include <X11/Xlib.h>
1954 #include <X11/Xresource.h>],
1955 [Display *display;
1956 XrmDatabase db;
1957 char *res_name;
1958 char *res_class;
1959 XIMProc  callback;
1960 XPointer *client_data;
1961 #ifndef __GNUC__
1962 /* If we're not using GCC, it's probably not XFree86, and this is
1963    probably right, but we can't use something like --pedantic-errors.  */
1964 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
1965                                            char*, XIMProc, XPointer*);
1966 #endif
1967 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
1968    client_data);],
1969     [emacs_cv_arg6_star=yes])
1970   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
1971          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
1972 either XPointer or XPointer*.])dnl
1973   if test "$emacs_cv_arg6_star" = yes; then
1974     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
1975   else
1976     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
1977   fi
1978   CFLAGS=$late_CFLAGS
1979 fi
1980
1981 ### Start of font-backend section.
1982 if test "${HAVE_X11}" != "yes"; then
1983   USE_FONT_BACKEND=no
1984 fi
1985
1986 if test "${USE_FONT_BACKEND}" = "yes"; then
1987   AC_DEFINE(USE_FONT_BACKEND, 1, [Define to 1 if we should use font-backend.])
1988
1989   ## Use -lXft if available, unless `--with-freetype=no' nor `--with-xft=no'.
1990   HAVE_XFT=maybe
1991   if test "x${with_freetype}" = "xno"; then
1992     with_xft="no";
1993   fi
1994   if test "x${with_xft}" != "xno"; then
1995
1996     PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1997     if test "$HAVE_XFT" != no; then
1998       OLD_CPPFLAGS="$CPPFLAGS"
1999       OLD_CFLAGS="$CFLAGS"
2000       OLD_LIBS="$LIBS"
2001       CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
2002       CFLAGS="$CFLAGS $XFT_CFLAGS"
2003       LIBS="$XFT_LIBS $LIBS"
2004       AC_CHECK_HEADER(X11/Xft/Xft.h,
2005         AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS))
2006
2007       if test "${HAVE_XFT}" = "yes"; then
2008         AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
2009         AC_SUBST(XFT_LIBS)
2010         C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
2011       else
2012         CPPFLAGS="$OLD_CPPFLAGS"
2013         CFLAGS="$OLD_CFLAGS"
2014         LIBS="$OLD_LIBS"
2015       fi                        # "${HAVE_XFT}" = "yes"
2016     fi                          # "$HAVE_XFT" != no
2017   fi                            # "x${with_xft}" != "xno"
2018
2019   dnl For the "Does Emacs use" message at the end.
2020   if test "$HAVE_XFT" != "yes"; then
2021      HAVE_XFT=no
2022   fi
2023
2024
2025   HAVE_FREETYPE=no
2026   ### Use -lfreetype if available, unless `--with-freetype=no'.
2027   if test "${HAVE_XFT}" = "yes"; then
2028     dnl As we use Xft, we anyway use freetype.
2029     dnl In this case, there's no need of additional CFLAGS and LIBS.
2030     HAVE_FREETYPE=yes
2031   elif test "x${with_freetype}" != "xno"; then
2032
2033     PKG_CHECK_MODULES(FREETYPE, freetype2, HAVE_FREETYPE=yes, HAVE_FREETYPE=no)
2034     if test "${HAVE_FREETYPE}" = "yes"; then
2035       PKG_CHECK_MODULES(FONTCONFIG, fontconfig, HAVE_FC=yes, HAVE_FC=no)
2036       if test "${HAVE_FC}" = "no"; then
2037         dnl Without fontconfig, we can't use freetype at the moment.
2038         HAVE_FREETYPE=no
2039       fi
2040     fi
2041   fi
2042
2043   HAVE_LIBOTF=no
2044   if test "${HAVE_FREETYPE}" = "yes"; then
2045     AC_DEFINE(HAVE_FREETYPE, 1,
2046               [Define to 1 if using the freetype and fontconfig libraries.])
2047     if test "${with_libotf}" != "no"; then
2048       PKG_CHECK_MODULES(LIBOTF, libotf, HAVE_LIBOTF=yes,
2049                         HAVE_LIBOTF=no)
2050       if test "$HAVE_LIBOTF" = "yes"; then
2051         AC_DEFINE(HAVE_LIBOTF, 1, [Define to 1 if using libotf.])
2052       fi
2053     fi
2054 dnl FIXME should there be an error if HAVE_FREETYPE != yes?
2055 dnl Does the new font backend require it, or can it work without it?
2056   fi
2057
2058   HAVE_M17N_FLT=no
2059   if test "${with_m17n_flt}" != "no"; then
2060     PKG_CHECK_MODULES(M17N_FLT, m17n-flt, HAVE_M17N_FLT=yes, HAVE_M17N_FLT=no)
2061     if test "$HAVE_M17N_FLT" = "yes"; then
2062       AC_DEFINE(HAVE_M17N_FLT, 1, [Define to 1 if using libm17n-flt.])
2063     fi
2064   fi
2065
2066   AC_SUBST(FREETYPE_CFLAGS)
2067   AC_SUBST(FREETYPE_LIBS)
2068   AC_SUBST(FONTCONFIG_CFLAGS)
2069   AC_SUBST(FONTCONFIG_LIBS)
2070   AC_SUBST(LIBOTF_CFLAGS)
2071   AC_SUBST(LIBOTF_LIBS)
2072   AC_SUBST(M17N_FLT_CFLAGS)
2073   AC_SUBST(M17N_FLT_LIBS)
2074
2075 fi                              # "${USE_FONT_BACKEND}" = "yes"
2076 ### End of font-backend section.
2077
2078 ### Use -lXpm if available, unless `--with-xpm=no'.
2079 HAVE_XPM=no
2080 if test "${HAVE_X11}" = "yes"; then
2081   if test "${with_xpm}" != "no"; then
2082     AC_CHECK_HEADER(X11/xpm.h,
2083       [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2084     if test "${HAVE_XPM}" = "yes"; then
2085       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2086       AC_EGREP_CPP(no_return_alloc_pixels,
2087       [#include "X11/xpm.h"
2088 #ifndef XpmReturnAllocPixels
2089 no_return_alloc_pixels
2090 #endif
2091       ], HAVE_XPM=no, HAVE_XPM=yes)
2092
2093       if test "${HAVE_XPM}" = "yes"; then
2094         AC_MSG_RESULT(yes)
2095       else
2096         AC_MSG_RESULT(no)
2097       fi
2098     fi
2099   fi
2100
2101   if test "${HAVE_XPM}" = "yes"; then
2102     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2103   fi
2104 fi
2105
2106 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2107 HAVE_JPEG=no
2108 if test "${HAVE_X11}" = "yes"; then
2109   if test "${with_jpeg}" != "no"; then
2110     dnl Checking for jpeglib.h can lose because of a redefinition of
2111     dnl  HAVE_STDLIB_H.
2112     AC_CHECK_HEADER(jerror.h,
2113       [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2114   fi
2115
2116   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2117   if test "${HAVE_JPEG}" = "yes"; then
2118     AC_DEFINE(HAVE_JPEG)
2119     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2120         [#include <jpeglib.h>
2121          version=JPEG_LIB_VERSION
2122 ],
2123         [AC_DEFINE(HAVE_JPEG)],
2124         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2125         HAVE_JPEG=no])
2126   fi
2127 fi
2128
2129 ### Use -lpng if available, unless `--with-png=no'.
2130 HAVE_PNG=no
2131 if test "${HAVE_X11}" = "yes"; then
2132   if test "${with_png}" != "no"; then
2133     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2134     # in /usr/include/libpng.
2135     AC_CHECK_HEADERS(png.h libpng/png.h)
2136     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2137       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2138     fi
2139   fi
2140
2141   if test "${HAVE_PNG}" = "yes"; then
2142     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2143   fi
2144 fi
2145
2146 ### Use -ltiff if available, unless `--with-tiff=no'.
2147 HAVE_TIFF=no
2148 if test "${HAVE_X11}" = "yes"; then
2149   if test "${with_tiff}" != "no"; then
2150     AC_CHECK_HEADER(tiffio.h,
2151       [tifflibs="-lz -lm"
2152       # At least one tiff package requires the jpeg library.
2153       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2154       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2155   fi
2156
2157   if test "${HAVE_TIFF}" = "yes"; then
2158     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2159   fi
2160 fi
2161
2162 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2163 HAVE_GIF=no
2164 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2165   AC_CHECK_HEADER(gif_lib.h,
2166 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2167 # Earlier versions can crash Emacs.
2168     [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2169
2170   if test "$HAVE_GIF" = yes; then
2171       ac_gif_lib_name="-lgif"
2172   fi
2173
2174 # If gif_lib.h but no libgif, try libungif.
2175   if test x"$try_libungif" = xyes; then
2176     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2177
2178     if test "$HAVE_GIF" = yes; then
2179       AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2180       ac_gif_lib_name="-lungif"
2181     fi
2182   fi
2183
2184   if test "${HAVE_GIF}" = "yes"; then
2185     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2186   fi
2187 fi
2188
2189 dnl Check for required libraries.
2190 if test "${HAVE_X11}" = "yes"; then
2191   MISSING=""
2192   WITH_NO=""
2193   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2194     MISSING="libXpm" && WITH_NO="--with-xpm=no"
2195   test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2196     MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2197   test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2198     MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2199   test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2200     MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2201   test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2202     MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2203
2204   if test "X${MISSING}" != X; then
2205     AC_MSG_ERROR([The following required libraries were not found:
2206     $MISSING
2207 Maybe some development libraries/packages are missing?
2208 If you don't want to link with them give
2209     $WITH_NO
2210 as options to configure])
2211   fi
2212 fi
2213
2214 ### Use -lgpm if available, unless `--with-gpm=no'.
2215 HAVE_GPM=no
2216 if test "${with_gpm}" != "no"; then
2217   AC_CHECK_HEADER(gpm.h,
2218     [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2219 fi
2220
2221 if test "${HAVE_GPM}" = "yes"; then
2222   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2223 fi
2224
2225 dnl Check for malloc/malloc.h on darwin
2226 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2227
2228 ### Use Mac OS X Carbon API to implement GUI.
2229 if test "${HAVE_CARBON}" = "yes"; then
2230   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2231   AC_CHECK_HEADERS(AvailabilityMacros.h)
2232   ## Specify the install directory
2233   carbon_appdir=
2234   if test "${carbon_appdir_x}" != ""; then
2235     case ${carbon_appdir_x} in
2236       y | ye | yes)  carbon_appdir=/Applications ;;
2237       * ) carbon_appdir=${carbon_appdir_x} ;;
2238     esac
2239   fi
2240   # We also have mouse menus.
2241   HAVE_MENUS=yes
2242 fi
2243
2244 ### Use session management (-lSM -lICE) if available
2245 HAVE_X_SM=no
2246 if test "${HAVE_X11}" = "yes"; then
2247   AC_CHECK_HEADER(X11/SM/SMlib.h,
2248     [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2249
2250   if test "${HAVE_X_SM}" = "yes"; then
2251     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2252     case "$LIBS" in
2253       *-lSM*) ;;
2254       *)      LIBS="-lSM -lICE $LIBS" ;;
2255     esac
2256   fi
2257 fi
2258
2259 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2260 AC_CACHE_CHECK(whether netdb declares h_errno,
2261                emacs_cv_netdb_declares_h_errno,
2262 [AC_TRY_LINK([#include <netdb.h>],
2263   [return h_errno;],
2264   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2265 if test $emacs_cv_netdb_declares_h_errno = yes; then
2266   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2267 fi
2268
2269 AC_FUNC_ALLOCA
2270
2271 dnl src/alloca.c has been removed.  Could also check if $ALLOCA is set?
2272 dnl FIXME is there an autoconf test that does the right thing, without
2273 dnl needing to call A_M_E afterwards?
2274 if test x"$ac_cv_func_alloca_works" != xyes; then
2275    AC_MSG_ERROR( [a system implementation of alloca is required] )
2276 fi
2277
2278 # fmod, logb, and frexp are found in -lm on most systems.
2279 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2280 AC_CHECK_LIB(m, sqrt)
2281
2282 # Check for mail-locking functions in a "mail" library.  Probably this should
2283 # have the same check as for liblockfile below.
2284 AC_CHECK_LIB(mail, maillock)
2285 dnl Debian, at least:
2286 AC_CHECK_LIB(lockfile, maillock)
2287 # If we have the shared liblockfile, assume we must use it for mail
2288 # locking (e.g. Debian).  If we couldn't link against liblockfile
2289 # (no liblockfile.a installed), ensure that we don't need to.
2290 if test "$ac_cv_lib_lockfile_maillock" = no; then
2291   dnl This works for files generally, not just executables.
2292   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2293   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2294                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2295   if test $ac_cv_prog_liblockfile = yes; then
2296     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2297 This probably means that movemail could lose mail.
2298 There may be a `development' package to install containing liblockfile.])
2299   else :
2300   fi
2301 fi
2302 AC_CHECK_FUNCS(touchlock)
2303 AC_CHECK_HEADERS(maillock.h)
2304
2305 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2306 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2307 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2308 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2309 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2310 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2311 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2312 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2313 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2314
2315 AC_CHECK_HEADERS(sys/un.h)
2316
2317 AC_FUNC_MKTIME
2318 if test "$ac_cv_func_working_mktime" = no; then
2319   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2320 fi
2321
2322 AC_FUNC_GETLOADAVG
2323
2324 AC_FUNC_FSEEKO
2325
2326 # Configure getopt.
2327 m4_include([m4/getopt.m4])
2328 gl_GETOPT_IFELSE([
2329   gl_GETOPT_SUBSTITUTE_HEADER
2330   gl_PREREQ_GETOPT
2331   GETOPTOBJS='getopt.o getopt1.o'
2332 ])
2333 AC_SUBST(GETOPTOBJS)
2334
2335 AC_FUNC_GETPGRP
2336
2337 AC_FUNC_STRFTIME
2338
2339 # UNIX98 PTYs.
2340 AC_CHECK_FUNCS(grantpt)
2341
2342 # PTY-related GNU extensions.
2343 AC_CHECK_FUNCS(getpt)
2344
2345 # Check this now, so that we will NOT find the above functions in ncurses.
2346 # That is because we have not set up to link ncurses in lib-src.
2347 # It's better to believe a function is not available
2348 # than to expect to find it in ncurses.
2349 AC_CHECK_LIB(ncurses, tparm)
2350
2351 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2352
2353 resolv=no
2354 AC_TRY_LINK([#include <netinet/in.h>
2355 #include <arpa/nameser.h>
2356 #include <resolv.h>],
2357     [return res_init();],
2358     have_res_init=yes, have_res_init=no)
2359 if test "$have_res_init" = no; then
2360   OLIBS="$LIBS"
2361   LIBS="$LIBS -lresolv"
2362   AC_MSG_CHECKING(for res_init with -lresolv)
2363   AC_TRY_LINK([#include <netinet/in.h>
2364 #include <arpa/nameser.h>
2365 #include <resolv.h>],
2366     [return res_init();],
2367     have_res_init=yes, have_res_init=no)
2368   AC_MSG_RESULT($have_res_init)
2369   if test "$have_res_init" = yes ; then
2370     resolv=yes
2371   fi
2372   LIBS="$OLIBS"
2373 fi
2374
2375 if test "$have_res_init" = yes; then
2376   AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2377 fi
2378
2379 # Do we need the Hesiod library to provide the support routines?
2380 if test "$with_hesiod" = yes ; then
2381   # Don't set $LIBS here -- see comments above.
2382   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2383      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2384                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2385   if test "$resolv" = yes ; then
2386     RESOLVLIB=-lresolv
2387   else
2388     RESOLVLIB=
2389   fi
2390   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2391         [AC_DEFINE(HAVE_LIBHESIOD, 1,
2392                   [Define to 1 if you have the hesiod library (-lhesiod).])],
2393         :, $RESOLVLIB)])
2394 fi
2395
2396 # Do we need libresolv (due to res_init or Hesiod)?
2397 if test "$resolv" = yes ; then
2398   AC_DEFINE(HAVE_LIBRESOLV, 1,
2399             [Define to 1 if you have the resolv library (-lresolv).])
2400 fi
2401
2402 # These tell us which Kerberos-related libraries to use.
2403 if test "${with_kerberos+set}" = set; then
2404   AC_CHECK_LIB(com_err, com_err)
2405   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2406   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2407   AC_CHECK_LIB(krb5, krb5_init_context)
2408   if test "${with_kerberos5+set}" != set; then
2409     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2410                  [AC_CHECK_LIB(des, des_cbc_encrypt)])
2411     AC_CHECK_LIB(krb4, krb_get_cred,,
2412                  [AC_CHECK_LIB(krb, krb_get_cred)])
2413   fi
2414
2415   if test "${with_kerberos5+set}" = set; then
2416     AC_CHECK_HEADERS(krb5.h)
2417   else
2418     AC_CHECK_HEADERS(des.h,,
2419                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2420                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2421     AC_CHECK_HEADERS(krb.h,,
2422                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2423                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2424   fi
2425   AC_CHECK_HEADERS(com_err.h)
2426 fi
2427
2428 # Solaris requires -lintl if you want strerror (which calls dgettext)
2429 # to return localized messages.
2430 AC_CHECK_LIB(intl, dgettext)
2431
2432 AC_MSG_CHECKING(whether localtime caches TZ)
2433 AC_CACHE_VAL(emacs_cv_localtime_cache,
2434 [if test x$ac_cv_func_tzset = xyes; then
2435 AC_TRY_RUN([#include <time.h>
2436 extern char **environ;
2437 unset_TZ ()
2438 {
2439   char **from, **to;
2440   for (to = from = environ; (*to = *from); from++)
2441     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2442       to++;
2443 }
2444 char TZ_GMT0[] = "TZ=GMT0";
2445 char TZ_PST8[] = "TZ=PST8";
2446 main()
2447 {
2448   time_t now = time ((time_t *) 0);
2449   int hour_GMT0, hour_unset;
2450   if (putenv (TZ_GMT0) != 0)
2451     exit (1);
2452   hour_GMT0 = localtime (&now)->tm_hour;
2453   unset_TZ ();
2454   hour_unset = localtime (&now)->tm_hour;
2455   if (putenv (TZ_PST8) != 0)
2456     exit (1);
2457   if (localtime (&now)->tm_hour == hour_GMT0)
2458     exit (1);
2459   unset_TZ ();
2460   if (localtime (&now)->tm_hour != hour_unset)
2461     exit (1);
2462   exit (0);
2463 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2464 [# If we have tzset, assume the worst when cross-compiling.
2465 emacs_cv_localtime_cache=yes])
2466 else
2467         # If we lack tzset, report that localtime does not cache TZ,
2468         # since we can't invalidate the cache if we don't have tzset.
2469         emacs_cv_localtime_cache=no
2470 fi])dnl
2471 AC_MSG_RESULT($emacs_cv_localtime_cache)
2472 if test $emacs_cv_localtime_cache = yes; then
2473   AC_DEFINE(LOCALTIME_CACHE, 1,
2474             [Define to 1 if localtime caches TZ.])
2475 fi
2476
2477 if test "x$HAVE_TIMEVAL" = xyes; then
2478   AC_CHECK_FUNCS(gettimeofday)
2479   if test $ac_cv_func_gettimeofday = yes; then
2480     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2481                    emacs_cv_gettimeofday_two_arguments,
2482     [AC_TRY_COMPILE([
2483 #ifdef TIME_WITH_SYS_TIME
2484 #include <sys/time.h>
2485 #include <time.h>
2486 #else
2487 #ifdef HAVE_SYS_TIME_H
2488 #include <sys/time.h>
2489 #else
2490 #include <time.h>
2491 #endif
2492 #endif],
2493       [struct timeval time;
2494        gettimeofday (&time, 0);],
2495       emacs_cv_gettimeofday_two_arguments=yes,
2496       emacs_cv_gettimeofday_two_arguments=no)])
2497     if test $emacs_cv_gettimeofday_two_arguments = no; then
2498       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2499                 [Define to 1 if gettimeofday accepts only one argument.])
2500     fi
2501   fi
2502 fi
2503
2504 ok_so_far=yes
2505 AC_CHECK_FUNC(socket, , ok_so_far=no)
2506 if test $ok_so_far = yes; then
2507   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2508 fi
2509 if test $ok_so_far = yes; then
2510   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2511 fi
2512 if test $ok_so_far = yes; then
2513 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2514   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2515             [Define to 1 if you have inet sockets.])
2516 fi
2517
2518 AC_CHECK_HEADERS(sys/ioctl.h)
2519
2520 if test -f /usr/lpp/X11/bin/smt.exp; then
2521   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2522             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2523 fi
2524
2525 AC_MSG_CHECKING(whether system supports dynamic ptys)
2526 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2527   AC_MSG_RESULT(yes)
2528   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2529 else
2530   AC_MSG_RESULT(no)
2531 fi
2532
2533 AC_FUNC_FORK
2534
2535 dnl Adapted from Haible's version.
2536 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2537   [AC_TRY_LINK([#include <langinfo.h>],
2538     [char* cs = nl_langinfo(CODESET);],
2539     emacs_cv_langinfo_codeset=yes,
2540     emacs_cv_langinfo_codeset=no)
2541   ])
2542 if test $emacs_cv_langinfo_codeset = yes; then
2543   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2544     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2545 fi
2546
2547 AC_CHECK_TYPES(size_t)
2548
2549 AC_TYPE_MBSTATE_T
2550
2551 dnl Restrict could probably be used effectively other than in regex.c.
2552 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2553   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2554                   emacs_cv_c_restrict=yes,
2555                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2556                                   emacs_cv_c_restrict=__restrict,
2557                                   emacs_cv_c_restrict=no)])])
2558 case "$emacs_cv_c_restrict" in
2559   yes) emacs_restrict=restrict;;
2560   no) emacs_restrict="";;
2561   *) emacs_restrict="$emacs_cv_c_restrict";;
2562 esac
2563 if test "$emacs_restrict" != __restrict; then
2564   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2565     [Define to compiler's equivalent of C99 restrict keyword.
2566      Don't define if equivalent is `__restrict'.])
2567 fi
2568
2569 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2570   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2571                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2572 if test "$emacs_cv_c_restrict_arr" = yes; then
2573   AC_DEFINE(__restrict_arr, __restrict,
2574     [Define to compiler's equivalent of C99 restrict keyword in array
2575      declarations.  Define as empty for no equivalent.])
2576 fi
2577
2578 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2579 dnl how the tty code is related to POSIX and/or other versions of termios.
2580 dnl The following looks like a useful start.
2581 dnl
2582 dnl AC_SYS_POSIX_TERMIOS
2583 dnl if test $ac_cv_sys_posix_termios = yes; then
2584 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2585 dnl                                and macros for terminal control.])
2586 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2587 dnl fi
2588
2589 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2590
2591 # Set up the CFLAGS for real compilation, so we can substitute it.
2592 CFLAGS="$REAL_CFLAGS"
2593 CPPFLAGS="$REAL_CPPFLAGS"
2594
2595 #### Find out which version of Emacs this is.
2596 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2597          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2598 if test x"${version}" = x; then
2599   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2600 fi
2601
2602 ### Specify what sort of things we'll be editing into Makefile and config.h.
2603 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2604 AC_SUBST(version)
2605 AC_SUBST(configuration)
2606 AC_SUBST(canonical)
2607 AC_SUBST(srcdir)
2608 AC_SUBST(prefix)
2609 AC_SUBST(exec_prefix)
2610 AC_SUBST(bindir)
2611 AC_SUBST(datadir)
2612 AC_SUBST(sharedstatedir)
2613 AC_SUBST(libexecdir)
2614 AC_SUBST(mandir)
2615 AC_SUBST(infodir)
2616 AC_SUBST(lispdir)
2617 AC_SUBST(locallisppath)
2618 AC_SUBST(lisppath)
2619 AC_SUBST(x_default_search_path)
2620 AC_SUBST(etcdir)
2621 AC_SUBST(archlibdir)
2622 AC_SUBST(docdir)
2623 AC_SUBST(bitmapdir)
2624 AC_SUBST(gamedir)
2625 AC_SUBST(gameuser)
2626 AC_SUBST(c_switch_system)
2627 AC_SUBST(c_switch_machine)
2628 AC_SUBST(LD_SWITCH_X_SITE)
2629 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2630 AC_SUBST(C_SWITCH_X_SITE)
2631 AC_SUBST(CFLAGS)
2632 AC_SUBST(X_TOOLKIT_TYPE)
2633 AC_SUBST(machfile)
2634 AC_SUBST(opsysfile)
2635 AC_SUBST(GETLOADAVG_LIBS)
2636 AC_SUBST(carbon_appdir)
2637
2638 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2639                    [Define to the canonical Emacs configuration name.])
2640 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2641                    [Define to the options passed to configure.])
2642 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2643                    [Define to the used machine dependent file.])
2644 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2645                    [Define to the used os dependent file.])
2646 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2647 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2648  may need to deal with X Windows.  For instance, if you've defined
2649  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2650  your loader can find on its own, you might want to add "-L/..." or
2651  something similar.])
2652 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2653                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2654                     in case it's needed (for Solaris, for example).])
2655 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2656 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2657  may need to deal with X Windows.  For instance, if you've defined
2658  HAVE_X_WINDOWS above and your X include files aren't in a place
2659  that your compiler can find on its own, you might want to add
2660  "-I/..." or something similar.])
2661 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2662                    [Define to the unexec source file name.])
2663
2664 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2665   AC_DEFINE(HAVE_X_WINDOWS, 1,
2666             [Define to 1 if you want to use the X window system.])
2667 fi
2668 if test "${USE_X_TOOLKIT}" != "none" ; then
2669   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2670   if test "${USE_X_TOOLKIT}" == "LUCID"; then
2671     AC_DEFINE(USE_LUCID, 1, [Define to 1 if using the Lucid X toolkit.])
2672   elif test "${USE_X_TOOLKIT}" == "MOTIF"; then
2673     AC_DEFINE(USE_MOTIF, 1, [Define to 1 if using the Motif X toolkit.])
2674   fi
2675 fi
2676 if test "${HAVE_X11}" = "yes" ; then
2677   AC_DEFINE(HAVE_X11, 1,
2678             [Define to 1 if you want to use version 11 of X windows.
2679              Otherwise, Emacs expects to use version 10.])
2680 fi
2681 if test "${HAVE_MENUS}" = "yes" ; then
2682   AC_DEFINE(HAVE_MENUS, 1,
2683             [Define to 1 if you have mouse menus.
2684              (This is automatic if you use X, but the option to specify it remains.)
2685              It is also defined with other window systems that support xmenu.c.])
2686 fi
2687 if test "${GNU_MALLOC}" = "yes" ; then
2688   AC_DEFINE(GNU_MALLOC, 1,
2689             [Define to 1 if you want to use the GNU memory allocator.])
2690 fi
2691 if test "${REL_ALLOC}" = "yes" ; then
2692   AC_DEFINE(REL_ALLOC, 1,
2693             [Define REL_ALLOC if you want to use the relocating allocator for
2694              buffer space.])
2695 fi
2696
2697
2698 AH_TOP([/* GNU Emacs site configuration template file.
2699    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2700      2006, 2007, 2008  Free Software Foundation, Inc.
2701
2702 This file is part of GNU Emacs.
2703
2704 GNU Emacs is free software: you can redistribute it and/or modify
2705 it under the terms of the GNU General Public License as published by
2706 the Free Software Foundation, either version 3 of the License, or
2707 (at your option) any later version.
2708
2709 GNU Emacs is distributed in the hope that it will be useful,
2710 but WITHOUT ANY WARRANTY; without even the implied warranty of
2711 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2712 GNU General Public License for more details.
2713
2714 You should have received a copy of the GNU General Public License
2715 along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
2716
2717
2718 /* No code in Emacs #includes config.h twice, but some bits of code
2719    intended to work with other packages as well (like gmalloc.c)
2720    think they can include it as many times as they like.  */
2721 #ifndef EMACS_CONFIG_H
2722 #define EMACS_CONFIG_H
2723 ])dnl
2724
2725 AH_BOTTOM([
2726 /* If we're using any sort of window system, define some consequences.  */
2727 #ifdef HAVE_X_WINDOWS
2728 #define HAVE_WINDOW_SYSTEM
2729 #define MULTI_KBOARD
2730 #define HAVE_MOUSE
2731 #endif
2732
2733 /* Multi-tty support relies on MULTI_KBOARD.  It seems safe to turn it
2734    on unconditionally. */
2735 #ifndef MULTI_KBOARD
2736 #define MULTI_KBOARD
2737 #endif
2738
2739 /* If we're using the Carbon API on Mac OS X, define a few more
2740    variables as well.  */
2741 #ifdef HAVE_CARBON
2742 #define HAVE_WINDOW_SYSTEM
2743 #define HAVE_MOUSE
2744 #endif
2745
2746 /* Define USER_FULL_NAME to return a string
2747    that is the user's full name.
2748    It can assume that the variable `pw'
2749    points to the password file entry for this user.
2750
2751    At some sites, the pw_gecos field contains
2752    the user's full name.  If neither this nor any other
2753    field contains the right thing, use pw_name,
2754    giving the user's login name, since that is better than nothing.  */
2755 #define USER_FULL_NAME pw->pw_gecos
2756
2757 /* Define AMPERSAND_FULL_NAME if you use the convention
2758    that & in the full name stands for the login id.  */
2759 /* Turned on June 1996 supposing nobody will mind it.  */
2760 #define AMPERSAND_FULL_NAME
2761
2762 /* We have blockinput.h.  */
2763 #define DO_BLOCK_INPUT
2764
2765 /* Define HAVE_SOUND if we have sound support.  We know it works
2766    and compiles only on the specified platforms.   For others,
2767    it probably doesn't make sense to try.  */
2768
2769 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2770 #ifdef HAVE_MACHINE_SOUNDCARD_H
2771 #define HAVE_SOUND 1
2772 #endif
2773 #ifdef HAVE_SYS_SOUNDCARD_H
2774 #define HAVE_SOUND 1
2775 #endif
2776 #ifdef HAVE_SOUNDCARD_H
2777 #define HAVE_SOUND 1
2778 #endif
2779 #ifdef HAVE_ALSA
2780 #define HAVE_SOUND 1
2781 #endif
2782 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
2783
2784 /* If using GNU, then support inline function declarations. */
2785 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2786    generally, because even if non-gcc compilers accept `inline', they
2787    may reject `extern inline'.  */
2788 #if defined (__GNUC__) && defined (OPTIMIZE)
2789 #define INLINE __inline__
2790 #else
2791 #define INLINE
2792 #endif
2793
2794 /* Include the os and machine dependent files.  */
2795 #include config_opsysfile
2796 #include config_machfile
2797
2798 /* If no remapping takes place, static variables cannot be dumped as
2799    pure, so don't worry about the `static' keyword. */
2800 #ifdef NO_REMAP
2801 #undef static
2802 #endif
2803
2804 /* Define `subprocesses' should be defined if you want to
2805    have code for asynchronous subprocesses
2806    (as used in M-x compile and M-x shell).
2807    These do not work for some USG systems yet;
2808    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
2809
2810 #ifndef VMS
2811 #ifndef USG
2812 /* #define subprocesses */
2813 #endif
2814 #endif
2815
2816 /* SIGTYPE is the macro we actually use.  */
2817 #ifndef SIGTYPE
2818 #define SIGTYPE RETSIGTYPE
2819 #endif
2820
2821 #ifdef emacs /* Don't do this for lib-src.  */
2822 /* Tell regex.c to use a type compatible with Emacs.  */
2823 #define RE_TRANSLATE_TYPE Lisp_Object
2824 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2825 #ifdef make_number
2826 /* If make_number is a macro, use it.  */
2827 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2828 #else
2829 /* If make_number is a function, avoid it.  */
2830 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2831 #endif
2832 #endif
2833
2834 /* Avoid link-time collision with system mktime if we will use our own.  */
2835 #if ! HAVE_MKTIME || BROKEN_MKTIME
2836 #define mktime emacs_mktime
2837 #endif
2838
2839 #define my_strftime nstrftime   /* for strftime.c */
2840
2841 /* The rest of the code currently tests the CPP symbol BSTRING.
2842    Override any claims made by the system-description files.
2843    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
2844 #undef BSTRING
2845 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2846 #define BSTRING
2847 #endif
2848
2849 /* Some of the files of Emacs which are intended for use with other
2850    programs assume that if you have a config.h file, you must declare
2851    the type of getenv.
2852
2853    This declaration shouldn't appear when alloca.s or Makefile.in
2854    includes config.h.  */
2855 #ifndef NOT_C_CODE
2856 extern char *getenv ();
2857 #endif
2858
2859 /* These default definitions are good for almost all machines.
2860    The exceptions override them in m/MACHINE.h.  */
2861
2862 #ifndef BITS_PER_CHAR
2863 #define BITS_PER_CHAR 8
2864 #endif
2865
2866 #ifndef BITS_PER_SHORT
2867 #define BITS_PER_SHORT 16
2868 #endif
2869
2870 /* Note that lisp.h uses this in a preprocessor conditional, so it
2871    would not work to use sizeof.  That being so, we do all of them
2872    without sizeof, for uniformity's sake.  */
2873 #ifndef BITS_PER_INT
2874 #define BITS_PER_INT 32
2875 #endif
2876
2877 #ifndef BITS_PER_LONG
2878 #ifdef _LP64
2879 #define BITS_PER_LONG 64
2880 #else
2881 #define BITS_PER_LONG 32
2882 #endif
2883 #endif
2884
2885 /* Define if the compiler supports function prototypes.  It may do so
2886    but not define __STDC__ (e.g. DEC C by default) or may define it as
2887    zero.  */
2888 #undef PROTOTYPES
2889 /* For mktime.c:  */
2890 #ifndef __P
2891 # if defined PROTOTYPES
2892 #  define __P(args) args
2893 # else
2894 #  define __P(args) ()
2895 # endif  /* GCC.  */
2896 #endif /* __P */
2897
2898 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
2899 #ifndef NOT_C_CODE
2900 #ifdef HAVE_STRING_H
2901 #include "string.h"
2902 #endif
2903 #ifdef HAVE_STRINGS_H
2904 #include "strings.h"  /* May be needed for bcopy & al. */
2905 #endif
2906 #ifdef HAVE_STDLIB_H
2907 #include <stdlib.h>
2908 #endif
2909 #ifndef __GNUC__
2910 # ifdef HAVE_ALLOCA_H
2911 #  include <alloca.h>
2912 # else /* AIX files deal with #pragma.  */
2913 #  ifndef alloca /* predefined by HP cc +Olibcalls */
2914 char *alloca ();
2915 #  endif
2916 # endif /* HAVE_ALLOCA_H */
2917 #endif /* __GNUC__ */
2918 #ifndef HAVE_SIZE_T
2919 typedef unsigned size_t;
2920 #endif
2921 #endif /* NOT_C_CODE */
2922
2923 /* Define HAVE_X_I18N if we have usable i18n support.  */
2924
2925 #ifdef HAVE_X11R6
2926 #define HAVE_X_I18N
2927 #elif !defined X11R5_INHIBIT_I18N
2928 #define HAVE_X_I18N
2929 #endif
2930
2931 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
2932
2933 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2934 #define HAVE_X11R6_XIM
2935 #endif
2936
2937 /* Should we enable expensive run-time checking of data types?  */
2938 #undef ENABLE_CHECKING
2939
2940 #if defined __GNUC__ && (__GNUC__ > 2 \
2941                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2942 #define NO_RETURN       __attribute__ ((__noreturn__))
2943 #else
2944 #define NO_RETURN       /* nothing */
2945 #endif
2946
2947 /* These won't be used automatically yet.  We also need to know, at least,
2948    that the stack is continuous.  */
2949 #ifdef __GNUC__
2950 #  ifndef GC_SETJMP_WORKS
2951   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2952      see NON_SAVING_SETJMP in the target descriptions.  */
2953   /* Exceptions (see NON_SAVING_SETJMP in target description) are
2954      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2955      Fixme: Deal with SVR3.  */
2956 #    define GC_SETJMP_WORKS 1
2957 #  endif
2958 #  ifndef GC_LISP_OBJECT_ALIGNMENT
2959 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2960 #  endif
2961 #endif
2962
2963 #ifndef HAVE_BCOPY
2964 #define bcopy(a,b,s) memcpy (b,a,s)
2965 #endif
2966 #ifndef HAVE_BZERO
2967 #define bzero(a,s) memset (a,0,s)
2968 #endif
2969 #ifndef HAVE_BCMP
2970 #define BCMP memcmp
2971 #endif
2972
2973 #endif /* EMACS_CONFIG_H */
2974
2975 /*
2976 Local Variables:
2977 mode: c
2978 End:
2979 */
2980 ])dnl
2981
2982 #### Report on what we decided to do.
2983 #### Report GTK as a toolkit, even if it doesn't use Xt.
2984 #### It makes printing result more understandable as using GTK sets
2985 #### toolkit_scroll_bars to yes by default.
2986 if test "${HAVE_GTK}" = "yes"; then
2987   USE_X_TOOLKIT=GTK
2988 fi
2989
2990 echo "
2991 Configured for \`${canonical}'.
2992
2993   Where should the build process find the source code?    ${srcdir}
2994   What operating system and machine description files should Emacs use?
2995         \`${opsysfile}' and \`${machfile}'
2996   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2997   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2998   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2999   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3000   What window system should Emacs use?                    ${window_system}
3001   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3002
3003 if test -n "${x_includes}"; then
3004 echo "  Where do we find X Windows header files?                ${x_includes}"
3005 else
3006 echo "  Where do we find X Windows header files?                Standard dirs"
3007 fi
3008 if test -n "${x_libraries}"; then
3009 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3010 else
3011 echo "  Where do we find X Windows libraries?                   Standard dirs"
3012 fi
3013
3014 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3015 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3016 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3017 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3018 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_gif_lib_name"
3019 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3020 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
3021 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
3022 echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
3023 echo "  Does Emacs use a font backend?                          ${USE_FONT_BACKEND}"
3024
3025 if test "${USE_FONT_BACKEND}" = "yes"; then
3026   echo "  Does Emacs use -lfreetype?                              ${HAVE_FREETYPE}"
3027   echo "  Does Emacs use -lm17n-flt?                              ${HAVE_M17N_FLT}"
3028   echo "  Does Emacs use -lotf?                                   ${HAVE_LIBOTF}"
3029   echo "  Does Emacs use -lxft?                                   ${HAVE_XFT}"
3030 fi
3031 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3032 echo
3033
3034 if test $USE_XASSERTS = yes; then
3035    echo "  Compiling with asserts turned on."
3036    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3037 fi
3038
3039 echo
3040
3041 if test "$USE_X_TOOLKIT" = GTK; then
3042   case "$canonical" in
3043   *cygwin*)
3044     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
3045   will probably get a crash on startup.  If this happens, please use another
3046   toolkit for Emacs.  See etc/PROBLEMS for more information."
3047   ;;
3048   esac
3049 fi
3050
3051
3052 if test "$HAVE_CARBON" = "yes"; then
3053    echo
3054    echo "Warning: The Mac Carbon port is currently unsupported and has
3055 known problems.  It is not recommended for use by non-developers.
3056 Read the emacs-devel archives for more information."
3057    echo
3058 fi
3059
3060 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
3061   echo "D-Bus integration has been tested for GNU/Linux only."
3062   echo
3063 fi
3064
3065
3066 # Remove any trailing slashes in these variables.
3067 [test "${prefix}" != NONE &&
3068   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3069 test "${exec_prefix}" != NONE &&
3070   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3071
3072 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3073 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3074 ## from Makefile.c can correctly provide the arg `-traditional' to the
3075 ## C preprocessor.
3076
3077 AC_EGREP_CPP(yes..yes,
3078         [yes..yes],
3079         CPP_NEED_TRADITIONAL=no,
3080         CPP_NEED_TRADITIONAL=yes)
3081
3082 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3083         doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3084         doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
3085         lwlib/Makefile lisp/Makefile leim/Makefile, [
3086
3087 ### Make the necessary directories, if they don't exist.
3088 for dir in etc lisp ; do
3089   test -d ${dir} || mkdir ${dir}
3090 done
3091
3092 # Build src/Makefile from ${srcdir}/src/Makefile.c
3093 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3094 # This must be done after src/config.h is built, since we rely on that file.
3095
3096 # Now get this: Some word that is part of the ${srcdir} directory name
3097 # or the ${configuration} value might, just might, happen to be an
3098 # identifier like `sun4' or `i386' or something, and be predefined by
3099 # the C preprocessor to some helpful value like 1, or maybe the empty
3100 # string.  Needless to say consequent macro substitutions are less
3101 # than conducive to the makefile finding the correct directory.
3102 [undefs="`echo $top_srcdir $configuration $canonical |
3103 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3104     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3105 `"]
3106
3107 echo creating src/epaths.h
3108 ${MAKE-make} epaths-force
3109
3110 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3111 # `..' to `. .'  unless invoked with -traditional
3112
3113 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3114   CPPFLAGS="$CPPFLAGS -traditional"
3115 fi
3116
3117 echo creating lib-src/Makefile
3118 ( cd lib-src
3119   rm -f junk.c junk1.c junk2.c
3120   sed -e '/start of cpp stuff/q' \
3121       < Makefile.c > junk1.c
3122   sed -e '1,/start of cpp stuff/d'\
3123       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3124       < Makefile.c > junk.c
3125   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3126       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3127   cat junk1.c junk2.c > Makefile.new
3128   rm -f junk.c junk1.c junk2.c
3129   chmod 444 Makefile.new
3130   mv -f Makefile.new Makefile
3131 )
3132
3133 echo creating src/Makefile
3134 ( cd src
3135   rm -f junk.c junk1.c junk2.c
3136   sed -e '/start of cpp stuff/q' \
3137       < Makefile.c > junk1.c
3138   sed -e '1,/start of cpp stuff/d'\
3139       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3140       < Makefile.c > junk.c
3141   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3142       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3143   cat junk1.c junk2.c > Makefile.new
3144   rm -f junk.c junk1.c junk2.c
3145   chmod 444 Makefile.new
3146   mv -f Makefile.new Makefile
3147 )
3148
3149 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3150   echo creating src/.gdbinit
3151   echo source $srcdir/src/.gdbinit > src/.gdbinit
3152 fi
3153
3154 # This is how we know whether to re-run configure in certain cases.
3155 touch src/config.stamp
3156
3157 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3158
3159 m4_if(dnl       Do not change this comment
3160    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3161 )dnl