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, or (at your option)
  14 dnl  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; see the file COPYING.  If not, write to the
  23 dnl  Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  24 dnl  Boston, MA 02110-1301, USA.
  25
  26 AC_PREREQ(2.61)dnl
  27 AC_INIT(emacs, 23.0.50)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29 AC_CONFIG_SRCDIR(src/lisp.h)
  30
  31 dnl Support for --program-prefix, --program-suffix and
  32 dnl --program-transform-name options
  33 AC_ARG_PROGRAM
  34
  35 lispdir='${datadir}/emacs/${version}/lisp'
  36 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  37 '${datadir}/emacs/site-lisp'
  38 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  39 etcdir='${datadir}/emacs/${version}/etc'
  40 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  41 docdir='${datadir}/emacs/${version}/etc'
  42 gamedir='${localstatedir}/games/emacs'
  43
  44 gameuser=games
  45
  46 dnl OPTION_DEFAULT_OFF(NAME, HELP-STRING)
  47 dnl Create a new --with option that defaults to being disabled.
  48 dnl NAME is the base name of the option.  The shell variable with_NAME
  49 dnl   will be set to either the user's value (if the option is
  50 dnl   specified; 'yes' for a plain --with-NAME) or to 'no' (if the
  51 dnl   option is not specified).  Note that the shell variable name is
  52 dnl   constructed as autoconf does, by replacing non-alphanumeric
  53 dnl   characters with "_".
  54 dnl HELP-STRING is the help text for the option.
  55 AC_DEFUN([OPTION_DEFAULT_OFF], [dnl
  56   AC_ARG_WITH([$1],[AS_HELP_STRING([--with-$1],[$2])],[],[dnl
  57     m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=no])dnl
  58 ])dnl
  59
  60 dnl OPTION_DEFAULT_ON(NAME, HELP-STRING)
  61 dnl Create a new --with option that defaults to being enabled.  NAME
  62 dnl   is the base name of the option.  The shell variable with_NAME
  63 dnl   will be set either to 'no' (for a plain --without-NAME) or to
  64 dnl   'yes' (if the option is not specified).  Note that the shell
  65 dnl   variable name is constructed as autoconf does, by replacing
  66 dnl   non-alphanumeric characters with "_".
  67 dnl HELP-STRING is the help text for the option.
  68 AC_DEFUN([OPTION_DEFAULT_ON], [dnl
  69   AC_ARG_WITH([$1],[AS_HELP_STRING([--without-$1],[$2])],[],[dnl
  70    m4_bpatsubst([with_$1], [[^0-9a-z]], [_])=yes])dnl
  71 ])dnl
  72
  73 OPTION_DEFAULT_ON([gcc],[don't use GCC to compile Emacs if GCC is found])
  74
  75 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
  76 if test "$with_pop" = yes; then
  77    AC_DEFINE(MAIL_USE_POP)
  78 fi
  79 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  80
  81 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
  82 if test "$with_kerberos" = yes; then
  83    AC_DEFINE(KERBEROS)
  84 fi
  85 AH_TEMPLATE(KERBEROS,
  86             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  87
  88 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
  89 if test "${with_kerberos5}" = yes; then
  90   if test "${with_kerberos}" != yes; then
  91     with_kerberos=yes
  92     AC_DEFINE(KERBEROS)
  93   fi
  94   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  95 fi
  96
  97 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
  98 if test "$with_hesiod" = yes; then
  99   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
 100 fi
 101
 102 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
 103
 104 dnl FIXME currently it is not the last.
 105 dnl This should be the last --with option, because --with-x is
 106 dnl added later on when we find the path of X, and it's best to
 107 dnl keep them together visually.
 108 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
 109  [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
 110 [         case "${withval}" in
 111             y | ye | yes )      val=gtk ;;
 112             n | no )            val=no  ;;
 113             l | lu | luc | luci | lucid )       val=lucid ;;
 114             a | at | ath | athe | athen | athena )      val=athena ;;
 115             m | mo | mot | moti | motif )       val=motif ;;
 116             g | gt | gtk  )     val=gtk ;;
 117             * )
 118 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 119 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 120 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 121             ;;
 122           esac
 123           with_x_toolkit=$val
 124 ])
 125
 126 dnl _ON results in a '--without' option in the --help output, so
 127 dnl the help text should refer to "don't compile", etc.
 128 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
 129 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
 130 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
 131 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
 132 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
 133 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
 134
 135 OPTION_DEFAULT_OFF([gtk],[use GTK toolkit])
 136 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 137 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 138 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
 139 OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X. **UNSUPPORTED!**])
 140
 141 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
 142 OPTION_DEFAULT_OFF([dbus],[compile with D-Bus support])
 143
 144
 145 AC_ARG_WITH([pkg-config-prog],dnl
 146 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
 147                   [Path to pkg-config for finding GTK and librsvg])])
 148 if test "X${with_pkg_config_prog}" != X; then
 149    if test "${with_pkg_config_prog}" != yes; then
 150       PKG_CONFIG="${with_pkg_config_prog}"
 151    fi
 152 fi
 153
 154 AC_ARG_ENABLE(carbon-app,
 155 [AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@],
 156                 [specify install directory for Emacs.app on Mac OS X
 157                  [DIR=/Application]])],
 158 [ carbon_appdir_x=${enableval}])
 159
 160 AC_ARG_ENABLE(asserts,
 161 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
 162       USE_XASSERTS=$enableval,
 163       USE_XASSERTS=no)
 164
 165 AC_ARG_ENABLE(maintainer-mode,
 166 [AS_HELP_STRING([--enable-maintainer-mode],
 167                 [enable make rules and dependencies not useful (and sometimes
 168                  confusing) to the casual installer])],
 169       USE_MAINTAINER_MODE=$enableval,
 170       USE_MAINTAINER_MODE=no)
 171 if test $USE_MAINTAINER_MODE = yes; then
 172   MAINT=
 173 else
 174   MAINT=#
 175 fi
 176 AC_SUBST(MAINT)
 177
 178 AC_ARG_ENABLE(locallisppath,
 179 [AS_HELP_STRING([--enable-locallisppath=PATH],
 180                 [directories Emacs should search for lisp files specific
 181                  to this site])],
 182 if test "${enableval}" = "no"; then
 183   locallisppath=
 184 elif test "${enableval}" != "yes"; then
 185   locallisppath=${enableval}
 186 fi)
 187
 188 #### Make srcdir absolute, if it isn't already.  It's important to
 189 #### avoid running the path through pwd unnecessarily, since pwd can
 190 #### give you automounter prefixes, which can go away.  We do all this
 191 #### so Emacs can find its files when run uninstalled.
 192 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 193 unset CDPATH
 194 case "${srcdir}" in
 195   /* ) ;;
 196   . )
 197     ## We may be able to use the $PWD environment variable to make this
 198     ## absolute.  But sometimes PWD is inaccurate.
 199     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 200     ## but that tested only for a well-formed and valid PWD,
 201     ## it did not object when PWD was well-formed and valid but just wrong.
 202     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 203     then
 204       srcdir="$PWD"
 205     else
 206       srcdir="`(cd ${srcdir}; pwd)`"
 207     fi
 208   ;;
 209   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 210 esac
 211
 212 #### Check if the source directory already has a configured system in it.
 213 if test `pwd` != `(cd ${srcdir} && pwd)` \
 214    && test -f "${srcdir}/src/config.h" ; then
 215   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 216    as a build directory right now; it has been configured in its own
 217    right.  To configure in another directory as well, you MUST
 218    use GNU make.  If you do not have GNU make, then you must
 219    now do `make distclean' in ${srcdir},
 220    and then run $0 again.]])
 221 fi
 222
 223 #### Given the configuration name, set machfile and opsysfile to the
 224 #### names of the m/*.h and s/*.h files we should use.
 225
 226 ### Canonicalize the configuration name.
 227
 228 AC_CANONICAL_HOST
 229 canonical=$host
 230 configuration=${host_alias-${build_alias-$host}}
 231
 232 dnl This used to use changequote, but, apart from `changequote is evil'
 233 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 234 dnl the great gob of text.  Thus it's not processed for possible expansion.
 235 dnl Just make sure the brackets remain balanced.
 236 dnl
 237 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 238 dnl indicated by comments.
 239 dnl quotation begins
 240 [
 241
 242 ### If you add support for a new configuration, add code to this
 243 ### switch statement to recognize your configuration name and select
 244 ### the appropriate operating system and machine description files.
 245
 246 ### You would hope that you could choose an m/*.h file pretty much
 247 ### based on the machine portion of the configuration name, and an s-
 248 ### file based on the operating system portion.  However, it turns out
 249 ### that each m/*.h file is pretty manufacturer-specific - for
 250 ### example hp9000s300.h is a 68000 machine;
 251 ### mips.h, pmax.h are all MIPS
 252 ### machines.  So we basically have to have a special case for each
 253 ### configuration name.
 254 ###
 255 ### As far as handling version numbers on operating systems is
 256 ### concerned, make sure things will fail in a fixable way.  If
 257 ### /etc/MACHINES doesn't say anything about version numbers, be
 258 ### prepared to handle anything reasonably.  If version numbers
 259 ### matter, be sure /etc/MACHINES says something about it.
 260 ###
 261 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 262 ### "System V Release 4"; he writes, "The old convention encouraged
 263 ### confusion between `system' and `release' levels'."
 264
 265 machine='' opsys='' unported=no
 266 case "${canonical}" in
 267
 268   ## FreeBSD ports
 269   *-*-freebsd* )
 270     opsys=freebsd
 271     case "${canonical}" in
 272       alpha*-*-freebsd*)        machine=alpha ;;
 273       ia64-*-freebsd*)          machine=ia64 ;;
 274       sparc64-*-freebsd*)       machine=sparc ;;
 275       powerpc-*-freebsd*)       machine=macppc ;;
 276       i[3456]86-*-freebsd*)     machine=intel386 ;;
 277       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 278     esac
 279   ;;
 280
 281   ## FreeBSD kernel + glibc based userland
 282   *-*-kfreebsd*gnu* )
 283     opsys=gnu-kfreebsd
 284     case "${canonical}" in
 285       alpha*-*-kfreebsd*)       machine=alpha ;;
 286       ia64-*-kfreebsd*)         machine=ia64 ;;
 287       sparc64-*-kfreebsd*)      machine=sparc ;;
 288       powerpc-*-kfreebsd*)      machine=macppc ;;
 289       i[3456]86-*-kfreebsd*)    machine=intel386 ;;
 290       amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
 291     esac
 292   ;;
 293
 294   ## NetBSD ports
 295   *-*-netbsd* )
 296     opsys=netbsd
 297     if test -f /usr/lib/crti.o; then]
 298 dnl The close and open brackets here are because this section is quoted --
 299 dnl see the `changequote' comment above.
 300       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 301 [   fi
 302
 303     case "${canonical}" in
 304       alpha*-*-netbsd*) machine=alpha ;;
 305       i[3456]86-*-netbsd*) machine=intel386 ;;
 306       m68k-*-netbsd*)
 307                         # This is somewhat bogus.
 308                         machine=hp9000s300 ;;
 309       mips-*-netbsd*)   machine=pmax ;;
 310       mipsel-*-netbsd*) machine=pmax ;;
 311       mipseb-*-netbsd*) machine=pmax ;;
 312       powerpc-*-netbsd*) machine=macppc ;;
 313       sparc*-*-netbsd*) machine=sparc ;;
 314       vax-*-netbsd*)    machine=vax ;;
 315       arm-*-netbsd*)    machine=arm ;;
 316       x86_64-*-netbsd*) machine=amdx86-64 ;;
 317       hppa-*-netbsd*)   machine=hp800 ;;
 318     esac
 319   ;;
 320
 321   ## OpenBSD ports
 322   *-*-openbsd* )
 323     opsys=openbsd
 324     case "${canonical}" in
 325       alpha*-*-openbsd*)        machine=alpha ;;
 326       arm-*-openbsd*)          machine=arm ;;
 327       hppa-*-openbsd*)         machine=hp9000s300 ;;
 328       i386-*-openbsd*)         machine=intel386 ;;
 329       m68k-*-openbsd*)         machine=hp9000s300 ;;
 330       mips64-*-openbsd*)       machine=mips64 ;;
 331       powerpc-*-openbsd*)      machine=macppc ;;
 332       sparc*-*-openbsd*)       machine=sparc ;;
 333       vax-*-openbsd*)          machine=vax ;;
 334       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 335     esac
 336   ;;
 337
 338   ## LynxOS ports
 339   *-*-lynxos* )
 340     opsys=lynxos
 341     case "${canonical}" in
 342       i[3456]86-*-lynxos*) machine=intel386 ;;
 343       powerpc-*-lynxos*) machine=powerpc ;;
 344     esac
 345   ;;
 346
 347   ## BSDI ports
 348   *-*-bsdi* )
 349     opsys=bsdi
 350     case "${canonical}" in
 351       i[345]86-*-bsdi*) machine=intel386 ;;
 352       sparc-*-bsdi*)  machine=sparc ;;
 353       powerpc-*-bsdi*)  machine=macppc ;;
 354     esac
 355     case "${canonical}" in
 356       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 357       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 358       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 359       *-*-bsdi3* )              opsys=bsdos3 ;;
 360       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 361     esac
 362   ;;
 363
 364   ## Alpha (DEC) machines.
 365   alpha*-dec-osf* )
 366     machine=alpha opsys=osf1
 367     # This is needed to find X11R6.1 libraries for certain tests.
 368     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 369     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 370     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 371     # due to non-traditional preprocessing with the current compiler
 372     # defaults.  OSF 4 can also have that compiler version, and there
 373     # seems always to have been a usable /usr/bin/cpp.
 374     NON_GNU_CPP=/usr/bin/cpp
 375     case "${canonical}" in
 376     alpha*-dec-osf[5-9]*)
 377       opsys=osf5-0 ;;
 378     esac
 379   ;;
 380
 381   alpha*-*-linux-gnu* )
 382     machine=alpha opsys=gnu-linux
 383   ;;
 384
 385   arm*-*-linux-gnu* )
 386     machine=arm opsys=gnu-linux
 387   ;;
 388
 389   ## Apple Darwin / Mac OS X
 390   *-apple-darwin* )
 391     case "${canonical}" in
 392       i[3456]86-* )  machine=intel386 ;;
 393       powerpc-* )    machine=powermac ;;
 394       * )            unported=yes ;;
 395     esac
 396     opsys=darwin
 397     # Define CPP as follows to make autoconf work correctly.
 398     CPP="${CC-cc} -E -no-cpp-precomp"
 399     # Use fink packages if available.
 400     if test -d /sw/include && test -d /sw/lib; then
 401       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 402       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 403       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 404     fi
 405   ;;
 406
 407   ## Compaq Nonstop
 408   mips-compaq-nonstopux* )
 409     machine=nonstopux opsys=nonstopux
 410     ;;
 411
 412   ## Cubix QBx/386
 413   i[3456]86-cubix-sysv* )
 414     machine=intel386 opsys=usg5-3
 415   ;;
 416
 417   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 418     machine=pmax opsys=bsd4-2
 419   ;;
 420   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 421     machine=pmax opsys=bsd4-3
 422   ;;
 423   mips-dec-ultrix* )
 424     machine=pmax opsys=ultrix4-3
 425   ;;
 426   mips-dec-osf* )
 427     machine=pmax opsys=osf1
 428   ;;
 429   mips-dec-mach_bsd4.3* )
 430     machine=pmax opsys=mach-bsd4-3
 431   ;;
 432
 433   ## HP 9000 series 200 or 300
 434   m68*-hp-bsd* )
 435     machine=hp9000s300 opsys=bsd4-3
 436   ;;
 437   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 438   m68*-hp-hpux* )
 439     case "`uname -r`" in
 440       ## Someone's system reports A.B8.05 for this.
 441       ## I wonder what other possibilities there are.
 442       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 443       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 444       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 445       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 446       *) machine=hp9000s300 opsys=hpux ;;
 447     esac
 448   ;;
 449
 450   ## HP 9000 series 700 and 800, running HP/UX
 451   hppa*-hp-hpux7* )
 452     machine=hp800 opsys=hpux
 453   ;;
 454   hppa*-hp-hpux8* )
 455     machine=hp800 opsys=hpux8
 456   ;;
 457   hppa*-hp-hpux9shr* )
 458     machine=hp800 opsys=hpux9shr
 459   ;;
 460   hppa*-hp-hpux9* )
 461     machine=hp800 opsys=hpux9
 462   ;;
 463   hppa*-hp-hpux10.2* )
 464     machine=hp800 opsys=hpux10-20
 465   ;;
 466   hppa*-hp-hpux10* )
 467     machine=hp800 opsys=hpux10
 468   ;;
 469   hppa*-hp-hpux1[1-9]* )
 470     machine=hp800 opsys=hpux11
 471     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 472   ;;
 473
 474   hppa*-*-linux-gnu* )
 475     machine=hp800 opsys=gnu-linux
 476   ;;
 477
 478   ## HP 9000 series 700 and 800, running HP/UX
 479   hppa*-hp-hpux* )
 480     ## Cross-compilation?  Nah!
 481     case "`uname -r`" in
 482       ## Someone's system reports A.B8.05 for this.
 483       ## I wonder what other possibilities there are.
 484       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 485       *.08.* ) machine=hp800 opsys=hpux8 ;;
 486       *.09.* ) machine=hp800 opsys=hpux9 ;;
 487       *) machine=hp800 opsys=hpux10 ;;
 488     esac
 489   ;;
 490   hppa*-*-nextstep* )
 491     machine=hp800 opsys=nextstep
 492   ;;
 493
 494   ## IBM machines
 495   i370-ibm-aix*)
 496     machine=ibm370aix opsys=usg5-3
 497   ;;
 498   s390-*-linux-gnu* )
 499     machine=ibms390 opsys=gnu-linux
 500   ;;
 501   s390x-*-linux-gnu* )
 502     machine=ibms390x opsys=gnu-linux
 503   ;;
 504   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 505     machine=ibmrs6000 opsys=aix3-1
 506   ;;
 507   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 508     machine=ibmrs6000 opsys=aix3-2-5
 509   ;;
 510   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 511     machine=ibmrs6000 opsys=aix4-1
 512   ;;
 513   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 514     machine=ibmrs6000 opsys=aix4-2
 515   ;;
 516   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 517     machine=ibmrs6000 opsys=aix4-2
 518   ;;
 519   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 520     machine=ibmrs6000 opsys=aix4-2
 521   ;;
 522   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 523     machine=ibmrs6000 opsys=aix4
 524   ;;
 525   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 526     machine=ibmrs6000 opsys=aix4-1
 527   ;;
 528   rs6000-ibm-aix* | powerpc-ibm-aix* )
 529     machine=ibmrs6000 opsys=aix3-2
 530   ;;
 531
 532   ## Prime EXL
 533   i[3456]86-prime-sysv* )
 534     machine=i386 opsys=usg5-3
 535   ;;
 536
 537   ## ncr machine running svr4.3.
 538   i[3456]86-ncr-sysv4.3 )
 539     machine=ncr386 opsys=usg5-4-3
 540   ;;
 541
 542   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 543   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 544   i[3456]86-ncr-sysv* )
 545     machine=ncr386 opsys=usg5-4-2
 546   ;;
 547
 548   ## Macintosh PowerPC
 549   powerpc*-*-linux-gnu* )
 550     machine=macppc opsys=gnu-linux
 551   ;;
 552
 553   ## Workstations sold by MIPS
 554   ## This is not necessarily all workstations using the MIPS processor -
 555   ## Irises are produced by SGI, and DECstations by DEC.
 556
 557   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 558   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 559   ## it gives for choosing between the alternatives seems to be "Use
 560   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 561   ## the BSD world."  I'll assume that these are instructions for
 562   ## handling two odd situations, and that every other situation
 563   ## should use mips.h and usg5-2-2, they being listed first.
 564   mips-mips-usg* )
 565     machine=mips4
 566     ## Fall through to the general code at the bottom to decide on the OS.
 567   ;;
 568   mips-mips-riscos4* )
 569     machine=mips4 opsys=bsd4-3
 570     NON_GNU_CC="cc -systype bsd43"
 571     NON_GNU_CPP="cc -systype bsd43 -E"
 572   ;;
 573   mips-mips-riscos5* )
 574     machine=mips4 opsys=riscos5
 575     NON_GNU_CC="cc -systype bsd43"
 576     NON_GNU_CPP="cc -systype bsd43 -E"
 577   ;;
 578   mips-mips-bsd* )
 579     machine=mips opsys=bsd4-3
 580   ;;
 581   mips-mips-* )
 582     machine=mips opsys=usg5-2-2
 583   ;;
 584
 585   ## NeXT
 586   m68*-next-* | m68k-*-nextstep* )
 587     machine=m68k opsys=nextstep
 588   ;;
 589
 590   ## NEC EWS4800
 591   mips-nec-sysv4*)
 592   machine=ews4800 opsys=ux4800
 593   ;;
 594
 595   ## Siemens Nixdorf
 596   mips-siemens-sysv* | mips-sni-sysv*)
 597     machine=mips-siemens opsys=usg5-4
 598     NON_GNU_CC=/usr/ccs/bin/cc
 599     NON_GNU_CPP=/usr/ccs/lib/cpp
 600   ;;
 601
 602   ## Silicon Graphics machines
 603   ## Iris 4D
 604   mips-sgi-irix6.5 )
 605     machine=iris4d opsys=irix6-5
 606     # Without defining _LANGUAGE_C, things get masked out in the headers
 607     # so that, for instance, grepping for `free' in stdlib.h fails and
 608     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 609     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 610     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 611   ;;
 612   mips-sgi-irix6* )
 613     machine=iris4d opsys=irix6-0
 614     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 615     # but presumably it does no harm.
 616     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 617     # -32 probably isn't necessary in later v.6s -- anyone know which?
 618     NON_GCC_TEST_OPTIONS=-32
 619   ;;
 620   mips-sgi-irix5.[01]* )
 621     machine=iris4d opsys=irix5-0
 622   ;;
 623   mips-sgi-irix5* | mips-sgi-irix* )
 624     machine=iris4d opsys=irix5-2
 625   ;;
 626
 627   ## Suns
 628   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 629     machine=sparc opsys=gnu-linux
 630   ;;
 631
 632   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 633     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 634     | rs6000-*-solaris2*)
 635     case "${canonical}" in
 636       i[3456]86-*-* )     machine=intel386 ;;
 637       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 638       powerpcle* )      machine=powerpcle ;;
 639       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 640       sparc* )          machine=sparc ;;
 641       * )               unported=yes ;;
 642     esac
 643     case "${canonical}" in
 644       *-sunos5.3* | *-solaris2.3* )
 645                 opsys=sol2-3
 646                 NON_GNU_CPP=/usr/ccs/lib/cpp
 647                 ;;
 648       *-sunos5.4* | *-solaris2.4* )
 649                 opsys=sol2-4
 650                 NON_GNU_CPP=/usr/ccs/lib/cpp
 651                 RANLIB="ar -ts"
 652                 ;;
 653       *-sunos5.5* | *-solaris2.5* )
 654                 opsys=sol2-5
 655                 NON_GNU_CPP=/usr/ccs/lib/cpp
 656                 RANLIB="ar -ts"
 657                 ;;
 658       *-sunos5.6* | *-solaris2.6* )
 659                 opsys=sol2-6
 660                 NON_GNU_CPP=/usr/ccs/lib/cpp
 661                 RANLIB="ar -ts"
 662                 ;;
 663       *-sunos5* | *-solaris* )
 664                 opsys=sol2-6
 665                 emacs_check_sunpro_c=yes
 666                 NON_GNU_CPP=/usr/ccs/lib/cpp
 667                 ;;
 668       *                   ) opsys=bsd4-2   ;;
 669     esac
 670     ## Watch out for a compiler that we know will not work.
 671     case "${canonical}" in
 672      *-solaris* | *-sunos5* )
 673                 if [ "x$CC" = x/usr/ucb/cc ]; then
 674                   ## /usr/ucb/cc doesn't work;
 675                   ## we should find some other compiler that does work.
 676                   unset CC
 677                 fi
 678                 ;;
 679       *) ;;
 680     esac
 681   ;;
 682   sparc-*-nextstep* )
 683     machine=sparc opsys=nextstep
 684   ;;
 685
 686   ## Tandem Integrity S2
 687   mips-tandem-sysv* )
 688     machine=tandem-s2 opsys=usg5-3
 689   ;;
 690
 691   ## Vaxen.
 692   vax-dec-* )
 693     machine=vax
 694     case "${canonical}" in
 695       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 696       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 697       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 698       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 699       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 700       *-vms* )                                          opsys=vms ;;
 701       * )                                               unported=yes
 702     esac
 703   ;;
 704
 705   ## IA-64
 706   ia64*-*-linux* )
 707     machine=ia64 opsys=gnu-linux
 708   ;;
 709
 710   ## Intel 386 machines where we don't care about the manufacturer
 711   i[3456]86-*-* )
 712     machine=intel386
 713     case "${canonical}" in
 714       *-cygwin )                opsys=cygwin ;;
 715       *-darwin* )               opsys=darwin
 716                                 CPP="${CC-cc} -E -no-cpp-precomp"
 717                                 ;;
 718       *-xenix* )                opsys=xenix ;;
 719       *-linux-gnu* )            opsys=gnu-linux ;;
 720       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 721       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 722       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 723       *-386bsd* )               opsys=386bsd ;;
 724       *-nextstep* )             opsys=nextstep ;;
 725       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 726     esac
 727   ;;
 728
 729   ## m68k Linux-based GNU system
 730   m68k-*-linux-gnu* )
 731     machine=m68k opsys=gnu-linux
 732   ;;
 733
 734   ## Mips Linux-based GNU system
 735   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
 736     machine=mips opsys=gnu-linux
 737   ;;
 738
 739   ## UXP/DS
 740   sparc-fujitsu-sysv4* )
 741     machine=sparc opsys=uxpds
 742     NON_GNU_CPP=/usr/ccs/lib/cpp
 743     RANLIB="ar -ts"
 744   ;;
 745
 746   ## AMD x86-64 Linux-based GNU system
 747   x86_64-*-linux-gnu* )
 748     machine=amdx86-64 opsys=gnu-linux
 749   ;;
 750
 751   ## Tensilica Xtensa Linux-based GNU system
 752   xtensa-*-linux-gnu* )
 753     machine=xtensa opsys=gnu-linux
 754     ;;
 755
 756   * )
 757     unported=yes
 758   ;;
 759 esac
 760
 761 ### If the code above didn't choose an operating system, just choose
 762 ### an operating system based on the configuration name.  You really
 763 ### only want to use this when you have no idea what the right
 764 ### operating system is; if you know what operating systems a machine
 765 ### runs, it's cleaner to make it explicit in the case statement
 766 ### above.
 767 if test x"${opsys}" = x; then
 768   case "${canonical}" in
 769     *-gnu* )                            opsys=gnu ;;
 770     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 771     *-bsd4.2 )                          opsys=bsd4-2 ;;
 772     *-bsd4.3 )                          opsys=bsd4-3 ;;
 773     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 774     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 775     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 776     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 777     *-sysv4.2uw* )                      opsys=unixware ;;
 778     *-sysv5uw* )                        opsys=unixware ;;
 779     *-sysv5OpenUNIX* )                  opsys=unixware ;;
 780     *-sysv4.1* | *-sysvr4.1* )
 781         NON_GNU_CPP=/usr/lib/cpp
 782         opsys=usg5-4 ;;
 783     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 784         if [ x$NON_GNU_CPP = x ]; then
 785           if [ -f /usr/ccs/lib/cpp ]; then
 786             NON_GNU_CPP=/usr/ccs/lib/cpp
 787           else
 788             NON_GNU_CPP=/lib/cpp
 789           fi
 790         fi
 791         opsys=usg5-4-2 ;;
 792     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 793     * )
 794       unported=yes
 795     ;;
 796   esac
 797 fi
 798
 799 ]
 800 dnl quotation ends
 801
 802 if test $unported = yes; then
 803   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
 804 Check `etc/MACHINES' for recognized configuration names.])
 805 fi
 806
 807 machfile="m/${machine}.h"
 808 opsysfile="s/${opsys}.h"
 809
 810
 811 #### Choose a compiler.
 812 test -n "$CC" && cc_specified=yes
 813
 814 # Save the value of CFLAGS that the user specified.
 815 SPECIFIED_CFLAGS="$CFLAGS"
 816
 817 case ${with_gcc} in
 818   "yes" ) CC="gcc" GCC=yes ;;
 819   "no"  ) : ${CC=cc} ;;
 820   * )
 821 esac
 822 AC_PROG_CC
 823
 824 # On Suns, sometimes $CPP names a directory.
 825 if test -n "$CPP" && test -d "$CPP"; then
 826   CPP=
 827 fi
 828
 829 ## If not using gcc, and on Solaris, and no CPP specified, see if
 830 ## using a Sun compiler, which needs -Xs to prevent whitespace.
 831 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
 832  test x"$CPP" = x; then
 833   AC_MSG_CHECKING([whether we are using a Sun C compiler])
 834   AC_CACHE_VAL(emacs_cv_sunpro_c,
 835   [AC_TRY_LINK([],
 836 [#ifndef __SUNPRO_C
 837 fail;
 838 #endif
 839 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
 840   AC_MSG_RESULT($emacs_cv_sunpro_c)
 841
 842   if test x"$emacs_cv_sunpro_c" = xyes; then
 843     NON_GNU_CPP="$CC -E -Xs"
 844   fi
 845 fi
 846
 847 #### Some systems specify a CPP to use unless we are using GCC.
 848 #### Now that we know whether we are using GCC, we can decide whether
 849 #### to use that one.
 850 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 851 then
 852   CPP="$NON_GNU_CPP"
 853 fi
 854
 855 #### Some systems specify a CC to use unless we are using GCC.
 856 #### Now that we know whether we are using GCC, we can decide whether
 857 #### to use that one.
 858 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 859   test x$cc_specified != xyes
 860 then
 861   CC="$NON_GNU_CC"
 862 fi
 863
 864 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 865 then
 866   CC="$CC $GCC_TEST_OPTIONS"
 867 fi
 868
 869 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 870 then
 871   CC="$CC $NON_GCC_TEST_OPTIONS"
 872 fi
 873
 874 dnl checks for Unix variants
 875 AC_AIX
 876 AC_GNU_SOURCE
 877
 878 ### Use -Wno-pointer-sign if the compiler supports it
 879 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
 880 SAVE_CFLAGS="$CFLAGS"
 881 CFLAGS="$CFLAGS -Wno-pointer-sign"
 882 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 883 if test $has_option = yes; then
 884    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
 885 fi
 886 AC_MSG_RESULT($has_option)
 887 CFLAGS="$SAVE_CFLAGS"
 888 unset has_option
 889 unset SAVE_CFLAGS
 890
 891 #### Some other nice autoconf tests.
 892
 893 dnl checks for programs
 894 AC_PROG_LN_S
 895 AC_PROG_CPP
 896 AC_PROG_INSTALL
 897 if test "x$RANLIB" = x; then
 898   AC_PROG_RANLIB
 899 fi
 900 AC_PATH_PROG(INSTALL_INFO, install-info)
 901 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
 902 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
 903 dnl Don't use GZIP, which is used by gzip for additional parameters.
 904 AC_PATH_PROG(GZIP_PROG, gzip)
 905
 906
 907 ## Need makeinfo >= 4.6 (?) to build the manuals.
 908 AC_PATH_PROG(MAKEINFO, makeinfo, no)
 909 dnl By this stage, configure has already checked for egrep and set EGREP,
 910 dnl or exited with an error if no egrep was found.
 911 if test "$MAKEINFO" != "no" && \
 912   test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
 913    MAKEINFO=no
 914 fi
 915
 916 if test "$MAKEINFO" = "no"; then
 917   AC_MSG_ERROR( [makeinfo >= 4.6 is required] )
 918 fi
 919
 920
 921 dnl Add our options to ac_link now, after it is set up.
 922
 923 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
 924 then
 925   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
 926 fi
 927
 928 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
 929 then
 930   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
 931 fi
 932
 933 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
 934 dnl If we can link with the flag, it shouldn't do any harm anyhow.
 935 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
 936 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
 937 dnl if not built to support GNU ld.
 938
 939 late_LDFLAGS=$LDFLAGS
 940 if test "$GCC" = yes; then
 941   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
 942 else
 943   LDFLAGS="$LDFLAGS -znocombreloc"
 944 fi
 945
 946 AC_MSG_CHECKING([for -znocombreloc])
 947 AC_LINK_IFELSE([main(){return 0;}],
 948   [AC_MSG_RESULT(yes)],
 949   LDFLAGS=$late_LDFLAGS
 950   [AC_MSG_RESULT(no)])
 951
 952 #### Extract some information from the operating system and machine files.
 953
 954 AC_CHECKING([the machine- and system-dependent files to find out
 955  - which libraries the lib-src programs will want, and
 956  - whether the GNU malloc routines are usable])
 957
 958 ### First figure out CFLAGS (which we use for running the compiler here)
 959 ### and REAL_CFLAGS (which we use for real compilation).
 960 ### The two are the same except on a few systems, where they are made
 961 ### different to work around various lossages.  For example,
 962 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
 963 ### as implying static linking.
 964
 965 ### If the CFLAGS env var is specified, we use that value
 966 ### instead of the default.
 967
 968 ### It's not important that this name contain the PID; you can't run
 969 ### two configures in the same directory and have anything work
 970 ### anyway.
 971 tempcname="conftest.c"
 972
 973 echo '
 974 #include "'${srcdir}'/src/'${opsysfile}'"
 975 #include "'${srcdir}'/src/'${machfile}'"
 976 #ifndef LIBS_MACHINE
 977 #define LIBS_MACHINE
 978 #endif
 979 #ifndef LIBS_SYSTEM
 980 #define LIBS_SYSTEM
 981 #endif
 982 #ifndef C_SWITCH_SYSTEM
 983 #define C_SWITCH_SYSTEM
 984 #endif
 985 #ifndef C_SWITCH_MACHINE
 986 #define C_SWITCH_MACHINE
 987 #endif
 988 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 989 configure___ c_switch_system=C_SWITCH_SYSTEM
 990 configure___ c_switch_machine=C_SWITCH_MACHINE
 991
 992 #ifndef LIB_X11_LIB
 993 #define LIB_X11_LIB -lX11
 994 #endif
 995
 996 #ifndef LIBX11_MACHINE
 997 #define LIBX11_MACHINE
 998 #endif
 999
1000 #ifndef LIBX11_SYSTEM
1001 #define LIBX11_SYSTEM
1002 #endif
1003 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1004
1005 #ifdef UNEXEC
1006 configure___ unexec=UNEXEC
1007 #else
1008 configure___ unexec=unexec.o
1009 #endif
1010
1011 #ifdef SYSTEM_MALLOC
1012 configure___ system_malloc=yes
1013 #else
1014 configure___ system_malloc=no
1015 #endif
1016
1017 #ifdef USE_MMAP_FOR_BUFFERS
1018 configure___ use_mmap_for_buffers=yes
1019 #else
1020 configure___ use_mmap_for_buffers=no
1021 #endif
1022
1023 #ifndef C_DEBUG_SWITCH
1024 #define C_DEBUG_SWITCH -g
1025 #endif
1026
1027 #ifndef C_OPTIMIZE_SWITCH
1028 #ifdef __GNUC__
1029 #define C_OPTIMIZE_SWITCH -O2
1030 #else
1031 #define C_OPTIMIZE_SWITCH -O
1032 #endif
1033 #endif
1034
1035 #ifndef C_WARNINGS_SWITCH
1036 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1037 #endif
1038
1039 #ifndef LD_SWITCH_MACHINE
1040 #define LD_SWITCH_MACHINE
1041 #endif
1042
1043 #ifndef LD_SWITCH_SYSTEM
1044 #define LD_SWITCH_SYSTEM
1045 #endif
1046
1047 #ifndef LD_SWITCH_X_SITE_AUX
1048 #define LD_SWITCH_X_SITE_AUX
1049 #endif
1050
1051 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1052 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1053
1054 #ifdef THIS_IS_CONFIGURE
1055
1056 /* Get the CFLAGS for tests in configure.  */
1057 #ifdef __GNUC__
1058 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1059 #else
1060 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1061 #endif
1062
1063 #else /* not THIS_IS_CONFIGURE */
1064
1065 /* Get the CFLAGS for real compilation.  */
1066 #ifdef __GNUC__
1067 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1068 #else
1069 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1070 #endif
1071
1072 #endif /* not THIS_IS_CONFIGURE */
1073 ' > ${tempcname}
1074
1075 # The value of CPP is a quoted variable reference, so we need to do this
1076 # to get its actual value...
1077 CPP=`eval "echo $CPP"`
1078 [eval `${CPP} -Isrc ${tempcname} \
1079        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1080 if test "x$SPECIFIED_CFLAGS" = x; then
1081   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1082          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1083 else
1084   REAL_CFLAGS="$CFLAGS"
1085 fi]
1086 rm ${tempcname}
1087
1088 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1089
1090 ### Make sure subsequent tests use flags consistent with the build flags.
1091
1092 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1093   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1094 else
1095   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1096 fi
1097
1098 dnl For AC_FUNC_GETLOADAVG, at least:
1099 AC_CONFIG_LIBOBJ_DIR(src)
1100
1101 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1102 AC_SYS_LARGEFILE
1103
1104
1105 ### The standard library on x86-64 and s390x GNU/Linux distributions can
1106 ### be located in either /usr/lib64 or /usr/lib.
1107 case "${canonical}" in
1108   x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
1109     if test -d /usr/lib64; then
1110       AC_DEFINE(HAVE_LIB64_DIR, 1,
1111         [Define to 1 if the directory /usr/lib64 exists.])
1112 fi
1113 esac
1114
1115 dnl This function defintion taken from Gnome 2.0
1116 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1117 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1118 dnl also defines GSTUFF_PKG_ERRORS on error
1119 AC_DEFUN([PKG_CHECK_MODULES], [
1120   succeeded=no
1121
1122   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1123
1124   if test "$PKG_CONFIG" = "no" ; then
1125      ifelse([$4], , [AC_MSG_ERROR([
1126       *** 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])
1127   else
1128      PKG_CONFIG_MIN_VERSION=0.9.0
1129      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1130         AC_MSG_CHECKING(for $2)
1131
1132         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1133             AC_MSG_RESULT(yes)
1134             succeeded=yes
1135
1136             AC_MSG_CHECKING($1_CFLAGS)
1137             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1138             AC_MSG_RESULT($$1_CFLAGS)
1139
1140             AC_MSG_CHECKING($1_LIBS)
1141             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1142             AC_MSG_RESULT($$1_LIBS)
1143         else
1144             AC_MSG_RESULT(no)
1145             $1_CFLAGS=""
1146             $1_LIBS=""
1147             ## If we have a custom action on failure, don't print errors, but
1148             ## do set a variable so people can do so.
1149             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1150             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1151         fi
1152
1153         AC_SUBST($1_CFLAGS)
1154         AC_SUBST($1_LIBS)
1155      else
1156         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1157         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1158      fi
1159   fi
1160
1161   if test $succeeded = yes; then
1162      ifelse([$3], , :, [$3])
1163   else
1164      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.])], [$4])
1165   fi
1166 ])
1167
1168
1169 if test "${with_sound}" != "no"; then
1170   # Sound support for GNU/Linux and the free BSDs.
1171   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1172   # Emulation library used on NetBSD.
1173   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1174   AC_SUBST(LIBSOUND)
1175
1176   ALSA_REQUIRED=1.0.0
1177   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1178   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1179   if test $HAVE_ALSA = yes; then
1180     SAVE_CFLAGS="$CFLAGS"
1181     SAVE_LDFLAGS="$LDFLAGS"
1182     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1183     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1184     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1185                     emacs_alsa_normal=yes,
1186                     emacs_alsa_normal=no)
1187     if test "$emacs_alsa_normal" != yes; then
1188       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1189                      [snd_lib_error_set_handler (0);],
1190                      emacs_alsa_subdir=yes,
1191                      emacs_alsa_subdir=no)
1192       if test "$emacs_alsa_subdir" != yes; then
1193         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1194       fi
1195       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1196     fi
1197
1198     CFLAGS="$SAVE_CFLAGS"
1199     LDFLAGS="$SAVE_LDFLAGS"
1200     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1201     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1202     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1203   fi
1204   AC_SUBST(CFLAGS_SOUND)
1205 fi
1206
1207 dnl checks for header files
1208 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1209   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1210   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1211   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1212   sys/utsname.h pwd.h)
1213
1214 AC_MSG_CHECKING(if personality LINUX32 can be set)
1215 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1216                emacs_cv_personality_linux32=yes,
1217                emacs_cv_personality_linux32=no)
1218 AC_MSG_RESULT($emacs_cv_personality_linux32)
1219
1220 if test $emacs_cv_personality_linux32 = yes; then
1221   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1222             [Define to 1 if personality LINUX32 can be set.])
1223 fi
1224
1225 dnl On Solaris 8 there's a compilation warning for term.h because
1226 dnl it doesn't define `bool'.
1227 AC_CHECK_HEADERS(term.h, , , -)
1228 AC_HEADER_STDC
1229 AC_HEADER_TIME
1230 AC_CHECK_DECLS([sys_siglist])
1231 if test $ac_cv_have_decl_sys_siglist != yes; then
1232   # For Tru64, at least:
1233   AC_CHECK_DECLS([__sys_siglist])
1234   if test $ac_cv_have_decl___sys_siglist = yes; then
1235     AC_DEFINE(sys_siglist, __sys_siglist,
1236               [Define to any substitute for sys_siglist.])
1237   fi
1238 fi
1239 AC_HEADER_SYS_WAIT
1240
1241 dnl Some systems have utime.h but don't declare the struct anyplace.
1242 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1243 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1244 #include <sys/time.h>
1245 #include <time.h>
1246 #else
1247 #ifdef HAVE_SYS_TIME_H
1248 #include <sys/time.h>
1249 #else
1250 #include <time.h>
1251 #endif
1252 #endif
1253 #ifdef HAVE_UTIME_H
1254 #include <utime.h>
1255 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1256   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1257 if test $emacs_cv_struct_utimbuf = yes; then
1258   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1259 fi
1260
1261 dnl checks for typedefs
1262 AC_TYPE_SIGNAL
1263
1264 dnl Check for speed_t typedef.
1265 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1266   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1267     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1268 if test $emacs_cv_speed_t = yes; then
1269   AC_DEFINE(HAVE_SPEED_T, 1,
1270            [Define to 1 if `speed_t' is declared by <termios.h>.])
1271 fi
1272
1273 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1274 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1275 #include <sys/time.h>
1276 #include <time.h>
1277 #else
1278 #ifdef HAVE_SYS_TIME_H
1279 #include <sys/time.h>
1280 #else
1281 #include <time.h>
1282 #endif
1283 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1284   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1285 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1286 if test $emacs_cv_struct_timeval = yes; then
1287   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1288 fi
1289
1290 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1291 AC_TRY_COMPILE([#include <math.h>],
1292 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1293   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1294 HAVE_EXCEPTION=$emacs_cv_struct_exception
1295 if test $emacs_cv_struct_exception != yes; then
1296   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1297 fi
1298
1299 AC_CHECK_HEADERS(sys/socket.h)
1300 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1301 #if HAVE_SYS_SOCKET_H
1302 #include <sys/socket.h>
1303 #endif])
1304
1305 dnl checks for structure members
1306 AC_STRUCT_TM
1307 AC_STRUCT_TIMEZONE
1308 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1309                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1310                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1311                 [#include <time.h>])
1312 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1313                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1314                   struct ifreq.ifr_addr], , ,
1315                  [AC_INCLUDES_DEFAULT
1316 #if HAVE_SYS_SOCKET_H
1317 #include <sys/socket.h>
1318 #endif
1319 #if HAVE_NET_IF_H
1320 #include <net/if.h>
1321 #endif])
1322
1323 dnl checks for compiler characteristics
1324
1325 dnl Testing __STDC__ to determine prototype support isn't good enough.
1326 dnl DEC C, for instance, doesn't define it with default options, and
1327 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1328 dnl and void *.
1329 AC_C_PROTOTYPES
1330 AC_C_VOLATILE
1331 AC_C_CONST
1332 dnl This isn't useful because we can't turn on use of `inline' unless
1333 dnl the compiler groks `extern inline'.
1334 dnl AC_C_INLINE
1335 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1336   [AC_TRY_COMPILE(, [void * foo;],
1337                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1338 if test $emacs_cv_void_star = yes; then
1339   AC_DEFINE(POINTER_TYPE, void)
1340 else
1341   AC_DEFINE(POINTER_TYPE, char)
1342 fi
1343 AH_TEMPLATE(POINTER_TYPE,
1344             [Define as `void' if your compiler accepts `void *'; otherwise
1345              define as `char'.])dnl
1346
1347
1348
1349 dnl This could be used for targets which can have both byte sexes.
1350 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1351 dnl AC_C_BIGENDIAN
1352
1353 dnl check for Make feature
1354 AC_PROG_MAKE_SET
1355
1356 dnl checks for operating system services
1357 AC_SYS_LONG_FILE_NAMES
1358
1359 #### Choose a window system.
1360
1361 AC_PATH_X
1362 if test "$no_x" = yes; then
1363   window_system=none
1364 else
1365   window_system=x11
1366 fi
1367
1368 if test "${x_libraries}" != NONE; then
1369   if test -n "${x_libraries}"; then
1370     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1371     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1372   fi
1373   x_default_search_path=""
1374   x_search_path=${x_libraries}
1375   if test -z "${x_search_path}"; then
1376     x_search_path=/usr/lib
1377   fi
1378   for x_library in `echo ${x_search_path}: | \
1379                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1380     x_search_path="\
1381 ${x_library}/X11/%L/%T/%N%C%S:\
1382 ${x_library}/X11/%l/%T/%N%C%S:\
1383 ${x_library}/X11/%T/%N%C%S:\
1384 ${x_library}/X11/%L/%T/%N%S:\
1385 ${x_library}/X11/%l/%T/%N%S:\
1386 ${x_library}/X11/%T/%N%S"
1387     if test x"${x_default_search_path}" = x; then
1388       x_default_search_path=${x_search_path}
1389     else
1390       x_default_search_path="${x_search_path}:${x_default_search_path}"
1391     fi
1392   done
1393 fi
1394 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1395   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1396 fi
1397
1398 if test x"${x_includes}" = x; then
1399   bitmapdir=/usr/include/X11/bitmaps
1400 else
1401   # accumulate include directories that have X11 bitmap subdirectories
1402   bmd_acc="dummyval"
1403   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1404     if test -d "${bmd}/X11/bitmaps"; then
1405       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1406     fi
1407     if test -d "${bmd}/bitmaps"; then
1408       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1409     fi
1410   done
1411   if test ${bmd_acc} != "dummyval"; then
1412     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1413   fi
1414 fi
1415
1416 HAVE_CARBON=no
1417 if test "${with_carbon}" != no; then
1418   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1419 fi
1420 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1421   if test "${with_carbon+set}" != set \
1422      && test "${carbon_appdir_x+set}" != set; then
1423     for var in with_x with_x_toolkit with_gtk with_xim \
1424                with_xpm with_jpeg with_tiff with_gif with_png; do
1425       if eval test \"\${$var+set}\" = set; then
1426         HAVE_CARBON=no
1427         break
1428       fi
1429     done
1430   fi
1431 fi
1432 if test "${HAVE_CARBON}" = yes; then
1433   window_system=mac
1434 fi
1435
1436 case "${window_system}" in
1437   x11 )
1438     HAVE_X_WINDOWS=yes
1439     HAVE_X11=yes
1440     case "${with_x_toolkit}" in
1441       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1442       motif ) USE_X_TOOLKIT=MOTIF ;;
1443       gtk ) with_gtk=yes
1444 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1445 dnl USE_X_TOOLKIT is set.
1446             USE_X_TOOLKIT=none ;;
1447       no ) USE_X_TOOLKIT=none ;;
1448 dnl If user did not say whether to use a toolkit, make this decision later:
1449 dnl use the toolkit if we have gtk, or X11R5 or newer.
1450       * )
1451           if test x"$with_gtk" = xyes; then
1452              USE_X_TOOLKIT=none
1453           else
1454              USE_X_TOOLKIT=maybe
1455           fi
1456           ;;
1457     esac
1458   ;;
1459   mac | none )
1460     HAVE_X_WINDOWS=no
1461     HAVE_X11=no
1462     USE_X_TOOLKIT=none
1463   ;;
1464 esac
1465
1466 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1467    AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1468    if test "$HAVE_XSERVER" = true ||
1469       test -n "$DISPLAY" ||
1470       test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1471         AC_MSG_ERROR([You seem to be running X, but no X development libraries
1472 were found.  You should install the relevant development files for X
1473 and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also make
1474 sure you have development files for image handling, i.e.
1475 tiff, gif, jpeg, png and xpm.
1476 If you are sure you want Emacs compiled without X window support, pass
1477   --without-x
1478 to configure.])
1479    fi
1480 fi
1481
1482 ### If we're using X11, we should use the X menu package.
1483 HAVE_MENUS=no
1484 case ${HAVE_X11} in
1485   yes ) HAVE_MENUS=yes ;;
1486 esac
1487
1488 ### Compute the unexec source name from the object name.
1489 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1490
1491 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1492 # Assume not, until told otherwise.
1493 GNU_MALLOC=yes
1494 doug_lea_malloc=yes
1495 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1496 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1497 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1498                emacs_cv_var___after_morecore_hook,
1499 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1500   emacs_cv_var___after_morecore_hook=yes,
1501   emacs_cv_var___after_morecore_hook=no)])
1502 if test $emacs_cv_var___after_morecore_hook = no; then
1503   doug_lea_malloc=no
1504 fi
1505 if test "${system_malloc}" = "yes"; then
1506   GNU_MALLOC=no
1507   GNU_MALLOC_reason="
1508     (The GNU allocators don't work with this system configuration.)"
1509 fi
1510 if test "$doug_lea_malloc" = "yes" ; then
1511   if test "$GNU_MALLOC" = yes ; then
1512     GNU_MALLOC_reason="
1513       (Using Doug Lea's new malloc from the GNU C Library.)"
1514   fi
1515   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1516             [Define to 1 if you are using the GNU C Library.])
1517 fi
1518
1519 if test x"${REL_ALLOC}" = x; then
1520   REL_ALLOC=${GNU_MALLOC}
1521 fi
1522
1523 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1524 dnl the system configuration file (s/*.h) to turn the use of mmap
1525 dnl in the relocating allocator on.
1526
1527 AC_FUNC_MMAP
1528 if test $use_mmap_for_buffers = yes; then
1529   REL_ALLOC=no
1530 fi
1531
1532 LIBS="$libsrc_libs $LIBS"
1533
1534 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1535 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1536 AC_CHECK_LIB(dnet, dnet_ntoa)
1537 dnl This causes -lresolv to get used in subsequent tests,
1538 dnl which causes failures on some systems such as HPUX 9.
1539 dnl AC_CHECK_LIB(resolv, gethostbyname)
1540
1541 dnl FIXME replace main with a function we actually want from this library.
1542 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1543
1544 AC_CHECK_LIB(pthreads, cma_open)
1545
1546 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1547 if test -d /usr/X386/include; then
1548   HAVE_XFREE386=yes
1549   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1550 else
1551   HAVE_XFREE386=no
1552 fi
1553 AC_MSG_RESULT($HAVE_XFREE386)
1554
1555 dnl Check for need for bigtoc support on IBM AIX
1556
1557 case ${host_os} in
1558 aix*)
1559   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1560     case $GCC in
1561     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1562     *) gdb_cv_bigtoc=-bbigtoc ;;
1563     esac
1564
1565     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1566     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1567   ])
1568   ;;
1569 esac
1570
1571 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1572 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1573 # REAL_CPPFLAGS later on.
1574
1575 REAL_CPPFLAGS="$CPPFLAGS"
1576
1577 if test "${HAVE_X11}" = "yes"; then
1578   DEFS="$C_SWITCH_X_SITE $DEFS"
1579   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1580   LIBS="$LIBX $LIBS"
1581   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1582   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1583
1584   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1585   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1586   # but it's more convenient here to set LD_RUN_PATH
1587   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1588   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1589     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1590     export LD_RUN_PATH
1591   fi
1592
1593   if test "${opsys}" = "gnu-linux"; then
1594     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1595     AC_TRY_LINK([],
1596      [XOpenDisplay ("foo");],
1597      [xlinux_first_failure=no],
1598      [xlinux_first_failure=yes])
1599     if test "${xlinux_first_failure}" = "yes"; then
1600       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1601       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1602       OLD_CPPFLAGS="$CPPFLAGS"
1603       OLD_LIBS="$LIBS"
1604       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1605       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1606       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1607       LIBS="$LIBS -b i486-linuxaout"
1608       AC_TRY_LINK([],
1609        [XOpenDisplay ("foo");],
1610        [xlinux_second_failure=no],
1611        [xlinux_second_failure=yes])
1612       if test "${xlinux_second_failure}" = "yes"; then
1613         # If we get the same failure with -b, there is no use adding -b.
1614         # So take it out.  This plays safe.
1615         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1616         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1617         CPPFLAGS="$OLD_CPPFLAGS"
1618         LIBS="$OLD_LIBS"
1619         AC_MSG_RESULT(no)
1620       else
1621         AC_MSG_RESULT(yes)
1622       fi
1623     else
1624       AC_MSG_RESULT(no)
1625     fi
1626   fi
1627
1628   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1629   # header files included from there.
1630   AC_MSG_CHECKING(for Xkb)
1631   AC_TRY_LINK([#include <X11/Xlib.h>
1632 #include <X11/XKBlib.h>],
1633         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1634         emacs_xkb=yes, emacs_xkb=no)
1635   AC_MSG_RESULT($emacs_xkb)
1636   if test $emacs_xkb = yes; then
1637     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1638   fi
1639
1640   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1641 XScreenNumberOfScreen XSetWMProtocols)
1642 fi
1643
1644 if test "${window_system}" = "x11"; then
1645   AC_MSG_CHECKING(X11 version 6)
1646   AC_CACHE_VAL(emacs_cv_x11_version_6,
1647   [AC_TRY_LINK([#include <X11/Xlib.h>],
1648 [#if XlibSpecificationRelease < 6
1649 fail;
1650 #endif
1651 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1652   if test $emacs_cv_x11_version_6 = yes; then
1653     AC_MSG_RESULT(6 or newer)
1654     AC_DEFINE(HAVE_X11R6, 1,
1655               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1656   else
1657     AC_MSG_RESULT(before 6)
1658   fi
1659 fi
1660
1661
1662 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1663 HAVE_RSVG=no
1664 if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
1665   if test "${with_rsvg}" != "no"; then
1666     RSVG_REQUIRED=2.0.0
1667     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1668
1669     PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1670     AC_SUBST(RSVG_CFLAGS)
1671     AC_SUBST(RSVG_LIBS)
1672
1673     if test ".${RSVG_CFLAGS}" != "."; then
1674       HAVE_RSVG=yes
1675       AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1676       CFLAGS="$CFLAGS $RSVG_CFLAGS"
1677       LIBS="$RSVG_LIBS $LIBS"
1678     fi
1679   fi
1680 fi
1681
1682
1683 HAVE_GTK=no
1684 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
1685   USE_X_TOOLKIT=none
1686 fi
1687 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk" || \
1688  test "$USE_X_TOOLKIT" = "maybe"; then
1689   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
1690     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
1691   fi
1692   GLIB_REQUIRED=2.6
1693   GTK_REQUIRED=2.6
1694   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1695
1696   dnl Checks for libraries.
1697   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1698   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1699      AC_MSG_ERROR($GTK_PKG_ERRORS)
1700   fi
1701 fi
1702
1703
1704 if test x"$pkg_check_gtk" = xyes; then
1705
1706   AC_SUBST(GTK_CFLAGS)
1707   AC_SUBST(GTK_LIBS)
1708   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1709   CFLAGS="$CFLAGS $GTK_CFLAGS"
1710   LIBS="$GTK_LIBS $LIBS"
1711   dnl Try to compile a simple GTK program.
1712   GTK_COMPILES=no
1713   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1714   if test "${GTK_COMPILES}" != "yes"; then
1715     if test "$USE_X_TOOLKIT" != "maybe"; then
1716       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
1717     fi
1718   else
1719     HAVE_GTK=yes
1720     AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
1721     USE_X_TOOLKIT=none
1722   fi
1723
1724 fi
1725
1726
1727 if test "${HAVE_GTK}" = "yes"; then
1728
1729   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1730   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
1731   if test "$with_toolkit_scroll_bars" != no; then
1732     with_toolkit_scroll_bars=yes
1733   fi
1734
1735   dnl  Check if we can use multiple displays with this GTK version.
1736   dnl  If gdk_display_open exists, assume all others are there also.
1737   HAVE_GTK_MULTIDISPLAY=no
1738   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1739   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1740     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1741               [Define to 1 if GTK can handle more than one display.])
1742   fi
1743
1744   dnl  Check if we have the old file selection dialog.
1745   dnl  If gdk_display_open exists, assume all others are there also.
1746   HAVE_GTK_FILE_SELECTION=no
1747   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1748
1749   dnl  Check if we have the new file chooser dialog
1750   dnl  If gdk_display_open exists, assume all others are there also.
1751   HAVE_GTK_FILE_CHOOSER=no
1752   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1753
1754   if test "$HAVE_GTK_FILE_SELECTION" = yes \
1755      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
1756     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1757               [Define to 1 if GTK has both file selection and chooser dialog.])
1758   fi
1759
1760   dnl Check if pthreads are available.  Emacs only needs this when using
1761   dnl gtk_file_chooser under Gnome.
1762   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1763     HAVE_GTK_AND_PTHREAD=no
1764     AC_CHECK_HEADERS(pthread.h)
1765     if test "$ac_cv_header_pthread_h"; then
1766       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1767     fi
1768     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1769       case "${canonical}" in
1770         *-hpux*) ;;
1771         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1772       esac
1773       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1774                [Define to 1 if you have GTK and pthread (-lpthread).])
1775     fi
1776   fi
1777 fi
1778
1779 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
1780 dnl other platforms.  Support for higher D-Bus versions than 1.0 is
1781 dnl also not configured.
1782 HAVE_DBUS=no
1783 if test "${with_dbus}" = "yes"; then
1784    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1785    if test "$HAVE_DBUS" = yes; then
1786       AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1787    fi
1788 fi
1789
1790 ### Link with -lXft if available to work around a bug.
1791 HAVE_XFT=maybe
1792 if test "${HAVE_GTK}" = "yes"; then
1793   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1794   if test "$HAVE_XFT" != no; then
1795     OLD_CFLAGS="$CPPFLAGS"
1796     OLD_CPPFLAGS="$CFLAGS"
1797     OLD_LIBS="$LIBS"
1798     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1799     CFLAGS="$CFLAGS $XFT_CFLAGS"
1800     LIBS="$XFT_LIBS $LIBS"
1801     AC_CHECK_HEADER(X11/Xft/Xft.h,
1802       [AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS)])
1803
1804     if test "${HAVE_XFT}" = "yes"; then
1805       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1806       AC_SUBST(XFT_LIBS)
1807       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1808     else
1809       CFLAGS="$OLD_CPPFLAGS"
1810       CFLAGS="$OLD_CFLAGS"
1811       LIBS="$OLD_LIBS"
1812     fi
1813   fi
1814 fi
1815
1816 dnl Do not put whitespace before the #include statements below.
1817 dnl Older compilers (eg sunos4 cc) choke on it.
1818 HAVE_XAW3D=no
1819 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1820   if test "$with_xaw3d" != no; then
1821     AC_MSG_CHECKING(for xaw3d)
1822     AC_CACHE_VAL(emacs_cv_xaw3d,
1823     [AC_TRY_LINK([
1824 #include <X11/Intrinsic.h>
1825 #include <X11/Xaw3d/Simple.h>],
1826       [],
1827       emacs_cv_xaw3d=yes,
1828       emacs_cv_xaw3d=no)])
1829   else
1830     emacs_cv_xaw3d=no
1831   fi
1832   if test $emacs_cv_xaw3d = yes; then
1833     AC_MSG_RESULT([yes; using Lucid toolkit])
1834     USE_X_TOOLKIT=LUCID
1835     HAVE_XAW3D=yes
1836     AC_DEFINE(HAVE_XAW3D, 1,
1837               [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1838   else
1839     AC_MSG_RESULT(no)
1840     AC_MSG_CHECKING(for libXaw)
1841     AC_CACHE_VAL(emacs_cv_xaw,
1842     [AC_TRY_LINK([
1843 #include <X11/Intrinsic.h>
1844 #include <X11/Xaw/Simple.h>],
1845       [],
1846       emacs_cv_xaw=yes,
1847       emacs_cv_xaw=no)])
1848     if test $emacs_cv_xaw = yes; then
1849       AC_MSG_RESULT([yes; using Lucid toolkit])
1850       USE_X_TOOLKIT=LUCID
1851     elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1852       AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1853     else
1854       AC_MSG_RESULT([no; do not use toolkit by default])
1855       USE_X_TOOLKIT=none
1856     fi
1857   fi
1858 fi
1859
1860 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1861
1862 if test "${USE_X_TOOLKIT}" != "none"; then
1863   AC_MSG_CHECKING(X11 toolkit version)
1864   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1865   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1866 [#if XtSpecificationRelease < 6
1867 fail;
1868 #endif
1869 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1870   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1871   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1872     AC_MSG_RESULT(6 or newer)
1873     AC_DEFINE(HAVE_X11XTR6, 1,
1874               [Define to 1 if you have the X11R6 or newer version of Xt.])
1875   else
1876     AC_MSG_RESULT(before 6)
1877   fi
1878
1879 dnl If using toolkit, check whether libXmu.a exists.
1880 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1881   OLDLIBS="$LIBS"
1882   if test x$HAVE_X11XTR6 = xyes; then
1883     LIBS="-lXt -lSM -lICE $LIBS"
1884   else
1885     LIBS="-lXt $LIBS"
1886   fi
1887   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1888   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1889 fi
1890
1891 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1892 if test "${HAVE_X11}" = "yes"; then
1893   if test "${USE_X_TOOLKIT}" != "none"; then
1894     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1895   fi
1896 fi
1897
1898 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1899   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1900   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1901     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1902 int x = 5;
1903 #else
1904 Motif version prior to 2.1.
1905 #endif],
1906     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1907   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1908   if test $emacs_cv_motif_version_2_1 = yes; then
1909     HAVE_LIBXP=no
1910     AC_DEFINE(HAVE_MOTIF_2_1, 1,
1911               [Define to 1 if you have Motif 2.1 or newer.])
1912     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1913     if test ${HAVE_LIBXP} = yes; then
1914       AC_DEFINE(HAVE_LIBXP, 1,
1915                 [Define to 1 if you have the Xp library (-lXp).])
1916     fi
1917   else
1918     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1919     # We put this in CFLAGS temporarily to precede other -I options
1920     # that might be in CFLAGS temporarily.
1921     # We put this in CPPFLAGS where it precedes the other -I options.
1922     OLD_CPPFLAGS=$CPPFLAGS
1923     OLD_CFLAGS=$CFLAGS
1924     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1925     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1926     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1927       [int x = 5;],
1928       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1929     if test $emacs_cv_lesstif = yes; then
1930       # Make sure this -I option remains in CPPFLAGS after it is set
1931       # back to REAL_CPPFLAGS.
1932       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1933       # have those other -I options anyway.  Ultimately, having this
1934       # directory ultimately in CPPFLAGS will be enough.
1935       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1936       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1937     else
1938       CFLAGS=$OLD_CFLAGS
1939       CPPFLAGS=$OLD_CPPFLAGS
1940     fi
1941   fi
1942 fi
1943
1944 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1945 dnl using Motif or Xaw3d is available, and unless
1946 dnl --with-toolkit-scroll-bars=no was specified.
1947
1948 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1949             [Define to 1 if we should use toolkit scroll bars.])dnl
1950 USE_TOOLKIT_SCROLL_BARS=no
1951 if test "${with_toolkit_scroll_bars}" != "no"; then
1952   if test "${USE_X_TOOLKIT}" != "none"; then
1953     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1954       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1955       HAVE_XAW3D=no
1956       USE_TOOLKIT_SCROLL_BARS=yes
1957     elif test "${HAVE_XAW3D}" = "yes"; then
1958       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1959       USE_TOOLKIT_SCROLL_BARS=yes
1960     fi
1961   elif test "${HAVE_GTK}" = "yes"; then
1962     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1963     USE_TOOLKIT_SCROLL_BARS=yes
1964   elif test "${HAVE_CARBON}" = "yes"; then
1965     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1966     USE_TOOLKIT_SCROLL_BARS=yes
1967   fi
1968 fi
1969
1970 dnl See if XIM is available.
1971 AC_TRY_COMPILE([
1972           #include <X11/Xlib.h>
1973           #include <X11/Xresource.h>],
1974          [XIMProc  callback;],
1975          [HAVE_XIM=yes
1976          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1977          HAVE_XIM=no)
1978
1979 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1980
1981 if test "${with_xim}" != "no"; then
1982   AC_DEFINE(USE_XIM, 1,
1983             [Define to 1 if we should use XIM, if it is available.])
1984 fi
1985
1986
1987 if test "${HAVE_XIM}" != "no"; then
1988   late_CFLAGS=$CFLAGS
1989   if test "$GCC" = yes; then
1990     CFLAGS="$CFLAGS --pedantic-errors"
1991   fi
1992   AC_TRY_COMPILE([
1993 #include <X11/Xlib.h>
1994 #include <X11/Xresource.h>],
1995 [Display *display;
1996 XrmDatabase db;
1997 char *res_name;
1998 char *res_class;
1999 XIMProc  callback;
2000 XPointer *client_data;
2001 #ifndef __GNUC__
2002 /* If we're not using GCC, it's probably not XFree86, and this is
2003    probably right, but we can't use something like --pedantic-errors.  */
2004 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2005                                            char*, XIMProc, XPointer*);
2006 #endif
2007 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2008    client_data);],
2009     [emacs_cv_arg6_star=yes])
2010   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2011          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2012 either XPointer or XPointer*.])dnl
2013   if test "$emacs_cv_arg6_star" = yes; then
2014     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2015   else
2016     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2017   fi
2018   CFLAGS=$late_CFLAGS
2019 fi
2020
2021 ### Use -lXpm if available, unless `--with-xpm=no'.
2022 HAVE_XPM=no
2023 if test "${HAVE_X11}" = "yes"; then
2024   if test "${with_xpm}" != "no"; then
2025     AC_CHECK_HEADER(X11/xpm.h,
2026       [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2027     if test "${HAVE_XPM}" = "yes"; then
2028       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2029       AC_EGREP_CPP(no_return_alloc_pixels,
2030       [#include "X11/xpm.h"
2031 #ifndef XpmReturnAllocPixels
2032 no_return_alloc_pixels
2033 #endif
2034       ], HAVE_XPM=no, HAVE_XPM=yes)
2035
2036       if test "${HAVE_XPM}" = "yes"; then
2037         AC_MSG_RESULT(yes)
2038       else
2039         AC_MSG_RESULT(no)
2040       fi
2041     fi
2042   fi
2043
2044   if test "${HAVE_XPM}" = "yes"; then
2045     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2046   fi
2047 fi
2048
2049 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2050 HAVE_JPEG=no
2051 if test "${HAVE_X11}" = "yes"; then
2052   if test "${with_jpeg}" != "no"; then
2053     dnl Checking for jpeglib.h can lose because of a redefinition of
2054     dnl  HAVE_STDLIB_H.
2055     AC_CHECK_HEADER(jerror.h,
2056       [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2057   fi
2058
2059   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2060   if test "${HAVE_JPEG}" = "yes"; then
2061     AC_DEFINE(HAVE_JPEG)
2062     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2063         [#include <jpeglib.h>
2064          version=JPEG_LIB_VERSION
2065 ],
2066         [AC_DEFINE(HAVE_JPEG)],
2067         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2068         HAVE_JPEG=no])
2069   fi
2070 fi
2071
2072 ### Use -lpng if available, unless `--with-png=no'.
2073 HAVE_PNG=no
2074 if test "${HAVE_X11}" = "yes"; then
2075   if test "${with_png}" != "no"; then
2076     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2077     # in /usr/include/libpng.
2078     AC_CHECK_HEADERS(png.h libpng/png.h)
2079     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2080       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2081     fi
2082   fi
2083
2084   if test "${HAVE_PNG}" = "yes"; then
2085     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2086   fi
2087 fi
2088
2089 ### Use -ltiff if available, unless `--with-tiff=no'.
2090 HAVE_TIFF=no
2091 if test "${HAVE_X11}" = "yes"; then
2092   if test "${with_tiff}" != "no"; then
2093     AC_CHECK_HEADER(tiffio.h,
2094       [tifflibs="-lz -lm"
2095       # At least one tiff package requires the jpeg library.
2096       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2097       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2098   fi
2099
2100   if test "${HAVE_TIFF}" = "yes"; then
2101     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2102   fi
2103 fi
2104
2105 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2106 HAVE_GIF=no
2107 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2108   AC_CHECK_HEADER(gif_lib.h,
2109 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2110 # Earlier versions can crash Emacs.
2111     [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2112
2113   if test "$HAVE_GIF" = yes; then
2114       ac_gif_lib_name="-lgif"
2115   fi
2116
2117 # If gif_lib.h but no libgif, try libungif.
2118   if test x"$try_libungif" = xyes; then
2119     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2120
2121     if test "$HAVE_GIF" = yes; then
2122       AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2123       ac_gif_lib_name="-lungif"
2124     fi
2125   fi
2126
2127   if test "${HAVE_GIF}" = "yes"; then
2128     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2129   fi
2130 fi
2131
2132 dnl Check for required libraries.
2133 if test "${HAVE_X11}" = "yes"; then
2134   MISSING=""
2135   WITH_NO=""
2136   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2137     MISSING="libXpm" && WITH_NO="--with-xpm=no"
2138   test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2139     MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2140   test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2141     MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2142   test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2143     MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2144   test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2145     MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2146
2147   if test "X${MISSING}" != X; then
2148     AC_MSG_ERROR([The following required libraries were not found:
2149     $MISSING
2150 Maybe some development libraries/packages are missing?
2151 If you don't want to link with them give
2152     $WITH_NO
2153 as options to configure])
2154   fi
2155 fi
2156
2157 ### Use -lgpm if available, unless `--with-gpm=no'.
2158 HAVE_GPM=no
2159 if test "${with_gpm}" != "no"; then
2160   AC_CHECK_HEADER(gpm.h,
2161     [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2162 fi
2163
2164 if test "${HAVE_GPM}" = "yes"; then
2165   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2166 fi
2167
2168 dnl Check for malloc/malloc.h on darwin
2169 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2170
2171 ### Use Mac OS X Carbon API to implement GUI.
2172 if test "${HAVE_CARBON}" = "yes"; then
2173   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2174   ## Specify the install directory
2175   carbon_appdir=
2176   if test "${carbon_appdir_x}" != ""; then
2177     case ${carbon_appdir_x} in
2178       y | ye | yes)  carbon_appdir=/Applications ;;
2179       * ) carbon_appdir=${carbon_appdir_x} ;;
2180     esac
2181   fi
2182   # We also have mouse menus.
2183   HAVE_MENUS=yes
2184 fi
2185
2186 ### Use session management (-lSM -lICE) if available
2187 HAVE_X_SM=no
2188 if test "${HAVE_X11}" = "yes"; then
2189   AC_CHECK_HEADER(X11/SM/SMlib.h,
2190     [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2191
2192   if test "${HAVE_X_SM}" = "yes"; then
2193     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2194     case "$LIBS" in
2195       *-lSM*) ;;
2196       *)      LIBS="-lSM -lICE $LIBS" ;;
2197     esac
2198   fi
2199 fi
2200
2201 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2202 AC_CACHE_CHECK(whether netdb declares h_errno,
2203                emacs_cv_netdb_declares_h_errno,
2204 [AC_TRY_LINK([#include <netdb.h>],
2205   [return h_errno;],
2206   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2207 if test $emacs_cv_netdb_declares_h_errno = yes; then
2208   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2209 fi
2210
2211 AC_FUNC_ALLOCA
2212
2213 dnl src/alloca.c has been removed.  Could also check if $ALLOCA is set?
2214 dnl FIXME is there an autoconf test that does the right thing, without
2215 dnl needing to call A_M_E afterwards?
2216 if test x"$ac_cv_func_alloca_works" != xyes; then
2217    AC_MSG_ERROR( [a system implementation of alloca is required] )
2218 fi
2219
2220 # fmod, logb, and frexp are found in -lm on most systems.
2221 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2222 AC_CHECK_LIB(m, sqrt)
2223
2224 # Check for mail-locking functions in a "mail" library.  Probably this should
2225 # have the same check as for liblockfile below.
2226 AC_CHECK_LIB(mail, maillock)
2227 dnl Debian, at least:
2228 AC_CHECK_LIB(lockfile, maillock)
2229 # If we have the shared liblockfile, assume we must use it for mail
2230 # locking (e.g. Debian).  If we couldn't link against liblockfile
2231 # (no liblockfile.a installed), ensure that we don't need to.
2232 if test "$ac_cv_lib_lockfile_maillock" = no; then
2233   dnl This works for files generally, not just executables.
2234   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2235   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2236                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2237   if test $ac_cv_prog_liblockfile = yes; then
2238     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2239 This probably means that movemail could lose mail.
2240 There may be a `development' package to install containing liblockfile.])
2241   else :
2242   fi
2243 fi
2244 AC_CHECK_FUNCS(touchlock)
2245 AC_CHECK_HEADERS(maillock.h)
2246
2247 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2248 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2249 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2250 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2251 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2252 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2253 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2254 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2255 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2256
2257 AC_CHECK_HEADERS(sys/un.h)
2258
2259 AC_FUNC_MKTIME
2260 if test "$ac_cv_func_working_mktime" = no; then
2261   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2262 fi
2263
2264 AC_FUNC_GETLOADAVG
2265
2266 AC_FUNC_FSEEKO
2267
2268 # Configure getopt.
2269 m4_include([m4/getopt.m4])
2270 gl_GETOPT_IFELSE([
2271   gl_GETOPT_SUBSTITUTE_HEADER
2272   gl_PREREQ_GETOPT
2273   GETOPTOBJS='getopt.o getopt1.o'
2274 ])
2275 AC_SUBST(GETOPTOBJS)
2276
2277 AC_FUNC_GETPGRP
2278
2279 AC_FUNC_STRFTIME
2280
2281 # UNIX98 PTYs.
2282 AC_CHECK_FUNCS(grantpt)
2283
2284 # PTY-related GNU extensions.
2285 AC_CHECK_FUNCS(getpt)
2286
2287 # Check this now, so that we will NOT find the above functions in ncurses.
2288 # That is because we have not set up to link ncurses in lib-src.
2289 # It's better to believe a function is not available
2290 # than to expect to find it in ncurses.
2291 AC_CHECK_LIB(ncurses, tparm)
2292
2293 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2294
2295 resolv=no
2296 AC_TRY_LINK([#include <netinet/in.h>
2297 #include <arpa/nameser.h>
2298 #include <resolv.h>],
2299     [return res_init();],
2300     have_res_init=yes, have_res_init=no)
2301 if test "$have_res_init" = no; then
2302   OLIBS="$LIBS"
2303   LIBS="$LIBS -lresolv"
2304   AC_MSG_CHECKING(for res_init with -lresolv)
2305   AC_TRY_LINK([#include <netinet/in.h>
2306 #include <arpa/nameser.h>
2307 #include <resolv.h>],
2308     [return res_init();],
2309     have_res_init=yes, have_res_init=no)
2310   AC_MSG_RESULT($have_res_init)
2311   if test "$have_res_init" = yes ; then
2312     resolv=yes
2313   fi
2314   LIBS="$OLIBS"
2315 fi
2316
2317 if test "$have_res_init" = yes; then
2318   AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2319 fi
2320
2321 # Do we need the Hesiod library to provide the support routines?
2322 if test "$with_hesiod" = yes ; then
2323   # Don't set $LIBS here -- see comments above.
2324   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2325      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2326                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2327   if test "$resolv" = yes ; then
2328     RESOLVLIB=-lresolv
2329   else
2330     RESOLVLIB=
2331   fi
2332   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2333         [AC_DEFINE(HAVE_LIBHESIOD, 1,
2334                   [Define to 1 if you have the hesiod library (-lhesiod).])],
2335         :, $RESOLVLIB)])
2336 fi
2337
2338 # Do we need libresolv (due to res_init or Hesiod)?
2339 if test "$resolv" = yes ; then
2340   AC_DEFINE(HAVE_LIBRESOLV, 1,
2341             [Define to 1 if you have the resolv library (-lresolv).])
2342 fi
2343
2344 # These tell us which Kerberos-related libraries to use.
2345 if test "${with_kerberos+set}" = set; then
2346   AC_CHECK_LIB(com_err, com_err)
2347   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2348   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2349   AC_CHECK_LIB(krb5, krb5_init_context)
2350   if test "${with_kerberos5+set}" != set; then
2351     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2352                  [AC_CHECK_LIB(des, des_cbc_encrypt)])
2353     AC_CHECK_LIB(krb4, krb_get_cred,,
2354                  [AC_CHECK_LIB(krb, krb_get_cred)])
2355   fi
2356
2357   if test "${with_kerberos5+set}" = set; then
2358     AC_CHECK_HEADERS(krb5.h)
2359   else
2360     AC_CHECK_HEADERS(des.h,,
2361                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2362                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2363     AC_CHECK_HEADERS(krb.h,,
2364                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2365                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2366   fi
2367   AC_CHECK_HEADERS(com_err.h)
2368 fi
2369
2370 # Solaris requires -lintl if you want strerror (which calls dgettext)
2371 # to return localized messages.
2372 AC_CHECK_LIB(intl, dgettext)
2373
2374 AC_MSG_CHECKING(whether localtime caches TZ)
2375 AC_CACHE_VAL(emacs_cv_localtime_cache,
2376 [if test x$ac_cv_func_tzset = xyes; then
2377 AC_TRY_RUN([#include <time.h>
2378 extern char **environ;
2379 unset_TZ ()
2380 {
2381   char **from, **to;
2382   for (to = from = environ; (*to = *from); from++)
2383     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2384       to++;
2385 }
2386 char TZ_GMT0[] = "TZ=GMT0";
2387 char TZ_PST8[] = "TZ=PST8";
2388 main()
2389 {
2390   time_t now = time ((time_t *) 0);
2391   int hour_GMT0, hour_unset;
2392   if (putenv (TZ_GMT0) != 0)
2393     exit (1);
2394   hour_GMT0 = localtime (&now)->tm_hour;
2395   unset_TZ ();
2396   hour_unset = localtime (&now)->tm_hour;
2397   if (putenv (TZ_PST8) != 0)
2398     exit (1);
2399   if (localtime (&now)->tm_hour == hour_GMT0)
2400     exit (1);
2401   unset_TZ ();
2402   if (localtime (&now)->tm_hour != hour_unset)
2403     exit (1);
2404   exit (0);
2405 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2406 [# If we have tzset, assume the worst when cross-compiling.
2407 emacs_cv_localtime_cache=yes])
2408 else
2409         # If we lack tzset, report that localtime does not cache TZ,
2410         # since we can't invalidate the cache if we don't have tzset.
2411         emacs_cv_localtime_cache=no
2412 fi])dnl
2413 AC_MSG_RESULT($emacs_cv_localtime_cache)
2414 if test $emacs_cv_localtime_cache = yes; then
2415   AC_DEFINE(LOCALTIME_CACHE, 1,
2416             [Define to 1 if localtime caches TZ.])
2417 fi
2418
2419 if test "x$HAVE_TIMEVAL" = xyes; then
2420   AC_CHECK_FUNCS(gettimeofday)
2421   if test $ac_cv_func_gettimeofday = yes; then
2422     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2423                    emacs_cv_gettimeofday_two_arguments,
2424     [AC_TRY_COMPILE([
2425 #ifdef TIME_WITH_SYS_TIME
2426 #include <sys/time.h>
2427 #include <time.h>
2428 #else
2429 #ifdef HAVE_SYS_TIME_H
2430 #include <sys/time.h>
2431 #else
2432 #include <time.h>
2433 #endif
2434 #endif],
2435       [struct timeval time;
2436        gettimeofday (&time, 0);],
2437       emacs_cv_gettimeofday_two_arguments=yes,
2438       emacs_cv_gettimeofday_two_arguments=no)])
2439     if test $emacs_cv_gettimeofday_two_arguments = no; then
2440       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2441                 [Define to 1 if gettimeofday accepts only one argument.])
2442     fi
2443   fi
2444 fi
2445
2446 ok_so_far=yes
2447 AC_CHECK_FUNC(socket, , ok_so_far=no)
2448 if test $ok_so_far = yes; then
2449   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2450 fi
2451 if test $ok_so_far = yes; then
2452   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2453 fi
2454 if test $ok_so_far = yes; then
2455 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2456   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2457             [Define to 1 if you have inet sockets.])
2458 fi
2459
2460 AC_CHECK_HEADERS(sys/ioctl.h)
2461
2462 if test -f /usr/lpp/X11/bin/smt.exp; then
2463   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2464             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2465 fi
2466
2467 AC_MSG_CHECKING(whether system supports dynamic ptys)
2468 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2469   AC_MSG_RESULT(yes)
2470   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2471 else
2472   AC_MSG_RESULT(no)
2473 fi
2474
2475 AC_FUNC_FORK
2476
2477 dnl Adapted from Haible's version.
2478 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2479   [AC_TRY_LINK([#include <langinfo.h>],
2480     [char* cs = nl_langinfo(CODESET);],
2481     emacs_cv_langinfo_codeset=yes,
2482     emacs_cv_langinfo_codeset=no)
2483   ])
2484 if test $emacs_cv_langinfo_codeset = yes; then
2485   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2486     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2487 fi
2488
2489 AC_CHECK_TYPES(size_t)
2490
2491 AC_TYPE_MBSTATE_T
2492
2493 dnl Restrict could probably be used effectively other than in regex.c.
2494 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2495   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2496                   emacs_cv_c_restrict=yes,
2497                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2498                                   emacs_cv_c_restrict=__restrict,
2499                                   emacs_cv_c_restrict=no)])])
2500 case "$emacs_cv_c_restrict" in
2501   yes) emacs_restrict=restrict;;
2502   no) emacs_restrict="";;
2503   *) emacs_restrict="$emacs_cv_c_restrict";;
2504 esac
2505 if test "$emacs_restrict" != __restrict; then
2506   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2507     [Define to compiler's equivalent of C99 restrict keyword.
2508      Don't define if equivalent is `__restrict'.])
2509 fi
2510
2511 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2512   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2513                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2514 if test "$emacs_cv_c_restrict_arr" = yes; then
2515   AC_DEFINE(__restrict_arr, __restrict,
2516     [Define to compiler's equivalent of C99 restrict keyword in array
2517      declarations.  Define as empty for no equivalent.])
2518 fi
2519
2520 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2521 dnl how the tty code is related to POSIX and/or other versions of termios.
2522 dnl The following looks like a useful start.
2523 dnl
2524 dnl AC_SYS_POSIX_TERMIOS
2525 dnl if test $ac_cv_sys_posix_termios = yes; then
2526 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2527 dnl                                and macros for terminal control.])
2528 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2529 dnl fi
2530
2531 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2532
2533 # Set up the CFLAGS for real compilation, so we can substitute it.
2534 CFLAGS="$REAL_CFLAGS"
2535 CPPFLAGS="$REAL_CPPFLAGS"
2536
2537 #### Find out which version of Emacs this is.
2538 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2539          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2540 if test x"${version}" = x; then
2541   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2542 fi
2543
2544 ### Specify what sort of things we'll be editing into Makefile and config.h.
2545 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2546 AC_SUBST(version)
2547 AC_SUBST(configuration)
2548 AC_SUBST(canonical)
2549 AC_SUBST(srcdir)
2550 AC_SUBST(prefix)
2551 AC_SUBST(exec_prefix)
2552 AC_SUBST(bindir)
2553 AC_SUBST(datadir)
2554 AC_SUBST(sharedstatedir)
2555 AC_SUBST(libexecdir)
2556 AC_SUBST(mandir)
2557 AC_SUBST(infodir)
2558 AC_SUBST(lispdir)
2559 AC_SUBST(locallisppath)
2560 AC_SUBST(lisppath)
2561 AC_SUBST(x_default_search_path)
2562 AC_SUBST(etcdir)
2563 AC_SUBST(archlibdir)
2564 AC_SUBST(docdir)
2565 AC_SUBST(bitmapdir)
2566 AC_SUBST(gamedir)
2567 AC_SUBST(gameuser)
2568 AC_SUBST(c_switch_system)
2569 AC_SUBST(c_switch_machine)
2570 AC_SUBST(LD_SWITCH_X_SITE)
2571 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2572 AC_SUBST(C_SWITCH_X_SITE)
2573 AC_SUBST(CFLAGS)
2574 AC_SUBST(X_TOOLKIT_TYPE)
2575 AC_SUBST(machfile)
2576 AC_SUBST(opsysfile)
2577 AC_SUBST(GETLOADAVG_LIBS)
2578 AC_SUBST(carbon_appdir)
2579
2580 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2581                    [Define to the canonical Emacs configuration name.])
2582 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2583                    [Define to the options passed to configure.])
2584 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2585                    [Define to the used machine dependent file.])
2586 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2587                    [Define to the used os dependent file.])
2588 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2589 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2590  may need to deal with X Windows.  For instance, if you've defined
2591  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2592  your loader can find on its own, you might want to add "-L/..." or
2593  something similar.])
2594 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2595                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2596                     in case it's needed (for Solaris, for example).])
2597 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2598 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2599  may need to deal with X Windows.  For instance, if you've defined
2600  HAVE_X_WINDOWS above and your X include files aren't in a place
2601  that your compiler can find on its own, you might want to add
2602  "-I/..." or something similar.])
2603 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2604                    [Define to the unexec source file name.])
2605
2606 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2607   AC_DEFINE(HAVE_X_WINDOWS, 1,
2608             [Define to 1 if you want to use the X window system.])
2609 fi
2610 if test "${USE_X_TOOLKIT}" != "none" ; then
2611   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2612 fi
2613 if test "${HAVE_X11}" = "yes" ; then
2614   AC_DEFINE(HAVE_X11, 1,
2615             [Define to 1 if you want to use version 11 of X windows.
2616              Otherwise, Emacs expects to use version 10.])
2617 fi
2618 if test "${HAVE_XFREE386}" = "yes" ; then
2619   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2620 fi
2621 if test "${HAVE_MENUS}" = "yes" ; then
2622   AC_DEFINE(HAVE_MENUS, 1,
2623             [Define to 1 if you have mouse menus.
2624              (This is automatic if you use X, but the option to specify it remains.)
2625              It is also defined with other window systems that support xmenu.c.])
2626 fi
2627 if test "${GNU_MALLOC}" = "yes" ; then
2628   AC_DEFINE(GNU_MALLOC, 1,
2629             [Define to 1 if you want to use the GNU memory allocator.])
2630 fi
2631 if test "${REL_ALLOC}" = "yes" ; then
2632   AC_DEFINE(REL_ALLOC, 1,
2633             [Define REL_ALLOC if you want to use the relocating allocator for
2634              buffer space.])
2635 fi
2636
2637
2638 AH_TOP([/* GNU Emacs site configuration template file.
2639    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2640      2006, 2007, 2008  Free Software Foundation, Inc.
2641
2642 This file is part of GNU Emacs.
2643
2644 GNU Emacs is free software; you can redistribute it and/or modify
2645 it under the terms of the GNU General Public License as published by
2646 the Free Software Foundation; either version 3, or (at your option)
2647 any later version.
2648
2649 GNU Emacs is distributed in the hope that it will be useful,
2650 but WITHOUT ANY WARRANTY; without even the implied warranty of
2651 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2652 GNU General Public License for more details.
2653
2654 You should have received a copy of the GNU General Public License
2655 along with GNU Emacs; see the file COPYING.  If not, write to the
2656 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2657 Boston, MA 02110-1301, USA.  */
2658
2659
2660 /* No code in Emacs #includes config.h twice, but some bits of code
2661    intended to work with other packages as well (like gmalloc.c)
2662    think they can include it as many times as they like.  */
2663 #ifndef EMACS_CONFIG_H
2664 #define EMACS_CONFIG_H
2665 ])dnl
2666
2667 AH_BOTTOM([
2668 /* If we're using any sort of window system, define some consequences.  */
2669 #ifdef HAVE_X_WINDOWS
2670 #define HAVE_WINDOW_SYSTEM
2671 #define MULTI_KBOARD
2672 #define HAVE_MOUSE
2673 #endif
2674
2675 /* Multi-tty support relies on MULTI_KBOARD.  It seems safe to turn it
2676    on unconditionally.  Note that src/s/darwin.h disables this at
2677    present.  */
2678 #ifndef MULTI_KBOARD
2679 #define MULTI_KBOARD
2680 #endif
2681
2682 /* If we're using the Carbon API on Mac OS X, define a few more
2683    variables as well.  */
2684 #ifdef HAVE_CARBON
2685 #define HAVE_WINDOW_SYSTEM
2686 #define HAVE_MOUSE
2687 #endif
2688
2689 /* Define USER_FULL_NAME to return a string
2690    that is the user's full name.
2691    It can assume that the variable `pw'
2692    points to the password file entry for this user.
2693
2694    At some sites, the pw_gecos field contains
2695    the user's full name.  If neither this nor any other
2696    field contains the right thing, use pw_name,
2697    giving the user's login name, since that is better than nothing.  */
2698 #define USER_FULL_NAME pw->pw_gecos
2699
2700 /* Define AMPERSAND_FULL_NAME if you use the convention
2701    that & in the full name stands for the login id.  */
2702 /* Turned on June 1996 supposing nobody will mind it.  */
2703 #define AMPERSAND_FULL_NAME
2704
2705 /* We have blockinput.h.  */
2706 #define DO_BLOCK_INPUT
2707
2708 /* Define HAVE_SOUND if we have sound support.  We know it works
2709    and compiles only on the specified platforms.   For others,
2710    it probably doesn't make sense to try.  */
2711
2712 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2713 #ifdef HAVE_MACHINE_SOUNDCARD_H
2714 #define HAVE_SOUND 1
2715 #endif
2716 #ifdef HAVE_SYS_SOUNDCARD_H
2717 #define HAVE_SOUND 1
2718 #endif
2719 #ifdef HAVE_SOUNDCARD_H
2720 #define HAVE_SOUND 1
2721 #endif
2722 #ifdef HAVE_ALSA
2723 #define HAVE_SOUND 1
2724 #endif
2725 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
2726
2727 /* If using GNU, then support inline function declarations. */
2728 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2729    generally, because even if non-gcc compilers accept `inline', they
2730    may reject `extern inline'.  */
2731 #if defined (__GNUC__) && defined (OPTIMIZE)
2732 #define INLINE __inline__
2733 #else
2734 #define INLINE
2735 #endif
2736
2737 /* Include the os and machine dependent files.  */
2738 #include config_opsysfile
2739 #include config_machfile
2740
2741 /* Load in the conversion definitions if this system
2742    needs them and the source file being compiled has not
2743    said to inhibit this.  There should be no need for you
2744    to alter these lines.  */
2745
2746 #ifdef SHORTNAMES
2747 #ifndef NO_SHORTNAMES
2748 #include "../shortnames/remap.h"
2749 #endif /* not NO_SHORTNAMES */
2750 #endif /* SHORTNAMES */
2751
2752 /* If no remapping takes place, static variables cannot be dumped as
2753    pure, so don't worry about the `static' keyword. */
2754 #ifdef NO_REMAP
2755 #undef static
2756 #endif
2757
2758 /* Define `subprocesses' should be defined if you want to
2759    have code for asynchronous subprocesses
2760    (as used in M-x compile and M-x shell).
2761    These do not work for some USG systems yet;
2762    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
2763
2764 #ifndef VMS
2765 #ifndef USG
2766 /* #define subprocesses */
2767 #endif
2768 #endif
2769
2770 /* SIGTYPE is the macro we actually use.  */
2771 #ifndef SIGTYPE
2772 #define SIGTYPE RETSIGTYPE
2773 #endif
2774
2775 #ifdef emacs /* Don't do this for lib-src.  */
2776 /* Tell regex.c to use a type compatible with Emacs.  */
2777 #define RE_TRANSLATE_TYPE Lisp_Object
2778 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2779 #ifdef make_number
2780 /* If make_number is a macro, use it.  */
2781 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2782 #else
2783 /* If make_number is a function, avoid it.  */
2784 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2785 #endif
2786 #endif
2787
2788 /* Avoid link-time collision with system mktime if we will use our own.  */
2789 #if ! HAVE_MKTIME || BROKEN_MKTIME
2790 #define mktime emacs_mktime
2791 #endif
2792
2793 #define my_strftime nstrftime   /* for strftime.c */
2794
2795 /* The rest of the code currently tests the CPP symbol BSTRING.
2796    Override any claims made by the system-description files.
2797    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
2798 #undef BSTRING
2799 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2800 #define BSTRING
2801 #endif
2802
2803 /* Some of the files of Emacs which are intended for use with other
2804    programs assume that if you have a config.h file, you must declare
2805    the type of getenv.
2806
2807    This declaration shouldn't appear when alloca.s or Makefile.in
2808    includes config.h.  */
2809 #ifndef NOT_C_CODE
2810 extern char *getenv ();
2811 #endif
2812
2813 /* These default definitions are good for almost all machines.
2814    The exceptions override them in m/MACHINE.h.  */
2815
2816 #ifndef BITS_PER_CHAR
2817 #define BITS_PER_CHAR 8
2818 #endif
2819
2820 #ifndef BITS_PER_SHORT
2821 #define BITS_PER_SHORT 16
2822 #endif
2823
2824 /* Note that lisp.h uses this in a preprocessor conditional, so it
2825    would not work to use sizeof.  That being so, we do all of them
2826    without sizeof, for uniformity's sake.  */
2827 #ifndef BITS_PER_INT
2828 #define BITS_PER_INT 32
2829 #endif
2830
2831 #ifndef BITS_PER_LONG
2832 #ifdef _LP64
2833 #define BITS_PER_LONG 64
2834 #else
2835 #define BITS_PER_LONG 32
2836 #endif
2837 #endif
2838
2839 /* Define if the compiler supports function prototypes.  It may do so
2840    but not define __STDC__ (e.g. DEC C by default) or may define it as
2841    zero.  */
2842 #undef PROTOTYPES
2843 /* For mktime.c:  */
2844 #ifndef __P
2845 # if defined PROTOTYPES
2846 #  define __P(args) args
2847 # else
2848 #  define __P(args) ()
2849 # endif  /* GCC.  */
2850 #endif /* __P */
2851
2852 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
2853 #ifndef NOT_C_CODE
2854 #ifdef HAVE_STRING_H
2855 #include "string.h"
2856 #endif
2857 #ifdef HAVE_STRINGS_H
2858 #include "strings.h"  /* May be needed for bcopy & al. */
2859 #endif
2860 #ifdef HAVE_STDLIB_H
2861 #include <stdlib.h>
2862 #endif
2863 #ifndef __GNUC__
2864 # ifdef HAVE_ALLOCA_H
2865 #  include <alloca.h>
2866 # else /* AIX files deal with #pragma.  */
2867 #  ifndef alloca /* predefined by HP cc +Olibcalls */
2868 char *alloca ();
2869 #  endif
2870 # endif /* HAVE_ALLOCA_H */
2871 #endif /* __GNUC__ */
2872 #ifndef HAVE_SIZE_T
2873 typedef unsigned size_t;
2874 #endif
2875 #endif /* NOT_C_CODE */
2876
2877 /* Define HAVE_X_I18N if we have usable i18n support.  */
2878
2879 #ifdef HAVE_X11R6
2880 #define HAVE_X_I18N
2881 #elif !defined X11R5_INHIBIT_I18N
2882 #define HAVE_X_I18N
2883 #endif
2884
2885 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
2886
2887 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2888 #define HAVE_X11R6_XIM
2889 #endif
2890
2891 /* Should we enable expensive run-time checking of data types?  */
2892 #undef ENABLE_CHECKING
2893
2894 #if defined __GNUC__ && (__GNUC__ > 2 \
2895                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2896 #define NO_RETURN       __attribute__ ((__noreturn__))
2897 #else
2898 #define NO_RETURN       /* nothing */
2899 #endif
2900
2901 /* These won't be used automatically yet.  We also need to know, at least,
2902    that the stack is continuous.  */
2903 #ifdef __GNUC__
2904 #  ifndef GC_SETJMP_WORKS
2905   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2906      see NON_SAVING_SETJMP in the target descriptions.  */
2907   /* Exceptions (see NON_SAVING_SETJMP in target description) are
2908      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2909      Fixme: Deal with SVR3.  */
2910 #    define GC_SETJMP_WORKS 1
2911 #  endif
2912 #  ifndef GC_LISP_OBJECT_ALIGNMENT
2913 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2914 #  endif
2915 #endif
2916
2917 #ifndef HAVE_BCOPY
2918 #define bcopy(a,b,s) memcpy (b,a,s)
2919 #endif
2920 #ifndef HAVE_BZERO
2921 #define bzero(a,s) memset (a,0,s)
2922 #endif
2923 #ifndef HAVE_BCMP
2924 #define BCMP memcmp
2925 #endif
2926
2927 #endif /* EMACS_CONFIG_H */
2928
2929 /*
2930 Local Variables:
2931 mode: c
2932 End:
2933 */
2934 ])dnl
2935
2936 #### Report on what we decided to do.
2937 #### Report GTK as a toolkit, even if it doesn't use Xt.
2938 #### It makes printing result more understandable as using GTK sets
2939 #### toolkit_scroll_bars to yes by default.
2940 if test "${HAVE_GTK}" = "yes"; then
2941   USE_X_TOOLKIT=GTK
2942 fi
2943
2944 echo "
2945 Configured for \`${canonical}'.
2946
2947   Where should the build process find the source code?    ${srcdir}
2948   What operating system and machine description files should Emacs use?
2949         \`${opsysfile}' and \`${machfile}'
2950   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2951   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2952   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2953   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2954   What window system should Emacs use?                    ${window_system}
2955   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2956
2957 if test -n "${x_includes}"; then
2958 echo "  Where do we find X Windows header files?                ${x_includes}"
2959 else
2960 echo "  Where do we find X Windows header files?                Standard dirs"
2961 fi
2962 if test -n "${x_libraries}"; then
2963 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2964 else
2965 echo "  Where do we find X Windows libraries?                   Standard dirs"
2966 fi
2967
2968 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2969 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2970 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2971 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2972 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_gif_lib_name"
2973 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2974 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
2975 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
2976 echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
2977 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2978 echo
2979
2980 if test $USE_XASSERTS = yes; then
2981    echo "  Compiling with asserts turned on."
2982    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
2983    echo
2984 fi
2985
2986 if test "$USE_X_TOOLKIT" = GTK; then
2987   case "$canonical" in
2988   *cygwin*)
2989     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2990   will probably get a crash on startup.  If this happens, please use another
2991   toolkit for Emacs.  See etc/PROBLEMS for more information."
2992   ;;
2993   esac
2994 fi
2995
2996
2997 if test "$HAVE_CARBON" = "yes"; then
2998    echo
2999    echo "Warning: The Mac Carbon port is currently unsupported and has
3000 known problems.  It is not recommended for use by non-developers.
3001 Read the emacs-devel archives for more information."
3002    echo
3003 fi
3004
3005 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
3006   echo "D-Bus integration has been tested for GNU/Linux only."
3007   echo
3008 fi
3009
3010
3011 # Remove any trailing slashes in these variables.
3012 [test "${prefix}" != NONE &&
3013   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3014 test "${exec_prefix}" != NONE &&
3015   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3016
3017 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3018 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3019 ## from Makefile.c can correctly provide the arg `-traditional' to the
3020 ## C preprocessor.
3021
3022 AC_EGREP_CPP(yes..yes,
3023         [yes..yes],
3024         CPP_NEED_TRADITIONAL=no,
3025         CPP_NEED_TRADITIONAL=yes)
3026
3027 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3028         doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3029         doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
3030         lwlib/Makefile lisp/Makefile leim/Makefile, [
3031
3032 ### Make the necessary directories, if they don't exist.
3033 for dir in etc lisp ; do
3034   test -d ${dir} || mkdir ${dir}
3035 done
3036
3037 # Build src/Makefile from ${srcdir}/src/Makefile.c
3038 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3039 # This must be done after src/config.h is built, since we rely on that file.
3040
3041 # Now get this: Some word that is part of the ${srcdir} directory name
3042 # or the ${configuration} value might, just might, happen to be an
3043 # identifier like `sun4' or `i386' or something, and be predefined by
3044 # the C preprocessor to some helpful value like 1, or maybe the empty
3045 # string.  Needless to say consequent macro substitutions are less
3046 # than conducive to the makefile finding the correct directory.
3047 [undefs="`echo $top_srcdir $configuration $canonical |
3048 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3049     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3050 `"]
3051
3052 echo creating src/epaths.h
3053 ${MAKE-make} epaths-force
3054
3055 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3056 # `..' to `. .'  unless invoked with -traditional
3057
3058 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3059   CPPFLAGS="$CPPFLAGS -traditional"
3060 fi
3061
3062 echo creating lib-src/Makefile
3063 ( cd lib-src
3064   rm -f junk.c junk1.c junk2.c
3065   sed -e '/start of cpp stuff/q' \
3066       < Makefile.c > junk1.c
3067   sed -e '1,/start of cpp stuff/d'\
3068       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3069       < Makefile.c > junk.c
3070   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3071       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3072   cat junk1.c junk2.c > Makefile.new
3073   rm -f junk.c junk1.c junk2.c
3074   chmod 444 Makefile.new
3075   mv -f Makefile.new Makefile
3076 )
3077
3078 echo creating src/Makefile
3079 ( cd src
3080   rm -f junk.c junk1.c junk2.c
3081   sed -e '/start of cpp stuff/q' \
3082       < Makefile.c > junk1.c
3083   sed -e '1,/start of cpp stuff/d'\
3084       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3085       < Makefile.c > junk.c
3086   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3087       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3088   cat junk1.c junk2.c > Makefile.new
3089   rm -f junk.c junk1.c junk2.c
3090   chmod 444 Makefile.new
3091   mv -f Makefile.new Makefile
3092 )
3093
3094 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3095   echo creating src/.gdbinit
3096   echo source $srcdir/src/.gdbinit > src/.gdbinit
3097 fi
3098
3099 # This is how we know whether to re-run configure in certain cases.
3100 touch src/config.stamp
3101
3102 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3103
3104 m4_if(dnl       Do not change this comment
3105    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3106 )dnl