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_$1], [[^0-9a-z]], [_])=yes])dnl
  71 ])dnl
  72
  73 dnl By default, neither off nor on.
  74 AC_ARG_WITH([gcc],
  75 [AS_HELP_STRING([--without-gcc],
  76     [don't use GCC to compile Emacs even if GCC is found])])
  77
  78 OPTION_DEFAULT_ON([pop],[don't support POP mail retrieval with movemail])
  79 if test "$with_pop" = yes; then
  80    AC_DEFINE(MAIL_USE_POP)
  81 fi
  82 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  83
  84 OPTION_DEFAULT_OFF([kerberos],[support Kerberos-authenticated POP])
  85 if test "$with_kerberos" = yes; then
  86    AC_DEFINE(KERBEROS)
  87 fi
  88 AH_TEMPLATE(KERBEROS,
  89             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  90
  91 OPTION_DEFAULT_OFF([kerberos5],[support Kerberos version 5 authenticated POP])
  92 if test "${with_kerberos5}" = yes; then
  93   if test "${with_kerberos}" != yes; then
  94     with_kerberos=yes
  95     AC_DEFINE(KERBEROS)
  96   fi
  97   AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])
  98 fi
  99
 100 OPTION_DEFAULT_OFF([hesiod],[support Hesiod to get the POP server host])
 101 if test "$with_hesiod" = yes; then
 102   AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])
 103 fi
 104
 105 OPTION_DEFAULT_ON([sound],[don't compile with sound support])
 106
 107 dnl FIXME currently it is not the last.
 108 dnl This should be the last --with option, because --with-x is
 109 dnl added later on when we find the path of X, and it's best to
 110 dnl keep them together visually.
 111 AC_ARG_WITH([x-toolkit],[AS_HELP_STRING([--with-x-toolkit=KIT],
 112  [use an X toolkit (KIT one of: yes, lucid, athena, motif, gtk, no)])],
 113 [         case "${withval}" in
 114             y | ye | yes )      val=gtk ;;
 115             n | no )            val=no  ;;
 116             l | lu | luc | luci | lucid )       val=lucid ;;
 117             a | at | ath | athe | athen | athena )      val=athena ;;
 118             m | mo | mot | moti | motif )       val=motif ;;
 119             g | gt | gtk  )     val=gtk ;;
 120             * )
 121 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid;
 122 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
 123 `yes' and `gtk' are synonyms. `athena' and `lucid' are synonyms.])
 124             ;;
 125           esac
 126           with_x_toolkit=$val
 127 ])
 128
 129 dnl _ON results in a '--without' option in the --help output, so
 130 dnl the help text should refer to "don't compile", etc.
 131 OPTION_DEFAULT_ON([xpm],[don't compile with XPM image support])
 132 OPTION_DEFAULT_ON([jpeg],[don't compile with JPEG image support])
 133 OPTION_DEFAULT_ON([tiff],[don't compile with TIFF image support])
 134 OPTION_DEFAULT_ON([gif],[don't compile with GIF image support])
 135 OPTION_DEFAULT_ON([png],[don't compile with PNG image support])
 136 OPTION_DEFAULT_ON([rsvg],[don't compile with SVG image support])
 137
 138 OPTION_DEFAULT_OFF([gtk],[use GTK toolkit])
 139 OPTION_DEFAULT_ON([toolkit-scroll-bars],[don't use Motif or Xaw3d scroll bars])
 140 OPTION_DEFAULT_ON([xaw3d],[don't use Xaw3d])
 141 OPTION_DEFAULT_ON([xim],[don't use X11 XIM])
 142 OPTION_DEFAULT_OFF([carbon],[use Carbon GUI on Mac OS X.  This is unsupported!])
 143
 144 OPTION_DEFAULT_ON([gpm],[don't use -lgpm for mouse support on a GNU/Linux console])
 145 OPTION_DEFAULT_OFF([dbus],[compile with D-Bus support])
 146
 147
 148 AC_ARG_WITH([pkg-config-prog],dnl
 149 [AS_HELP_STRING([--with-pkg-config-prog=PATH],
 150                   [Path to pkg-config for finding GTK and librsvg])])
 151 if test "X${with_pkg_config_prog}" != X; then
 152    if test "${with_pkg_config_prog}" != yes; then
 153       PKG_CONFIG="${with_pkg_config_prog}"
 154    fi
 155 fi
 156
 157 AC_ARG_ENABLE(carbon-app,
 158 [AS_HELP_STRING([--enable-carbon-app@<:@=DIR@:>@],
 159                 [specify install directory for Emacs.app on Mac OS X
 160                  [DIR=/Application]])],
 161 [ carbon_appdir_x=${enableval}])
 162
 163 AC_ARG_ENABLE(asserts,
 164 [AS_HELP_STRING([--enable-asserts], [compile code with asserts enabled])],
 165       USE_XASSERTS=$enableval,
 166       USE_XASSERTS=no)
 167
 168 AC_ARG_ENABLE(maintainer-mode,
 169 [AS_HELP_STRING([--enable-maintainer-mode],
 170                 [enable make rules and dependencies not useful (and sometimes
 171                  confusing) to the casual installer])],
 172       USE_MAINTAINER_MODE=$enableval,
 173       USE_MAINTAINER_MODE=no)
 174 if test $USE_MAINTAINER_MODE = yes; then
 175   MAINT=
 176 else
 177   MAINT=#
 178 fi
 179 AC_SUBST(MAINT)
 180
 181 AC_ARG_ENABLE(locallisppath,
 182 [AS_HELP_STRING([--enable-locallisppath=PATH],
 183                 [directories Emacs should search for lisp files specific
 184                  to this site])],
 185 if test "${enableval}" = "no"; then
 186   locallisppath=
 187 elif test "${enableval}" != "yes"; then
 188   locallisppath=${enableval}
 189 fi)
 190
 191 #### Make srcdir absolute, if it isn't already.  It's important to
 192 #### avoid running the path through pwd unnecessarily, since pwd can
 193 #### give you automounter prefixes, which can go away.  We do all this
 194 #### so Emacs can find its files when run uninstalled.
 195 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 196 unset CDPATH
 197 case "${srcdir}" in
 198   /* ) ;;
 199   . )
 200     ## We may be able to use the $PWD environment variable to make this
 201     ## absolute.  But sometimes PWD is inaccurate.
 202     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 203     ## but that tested only for a well-formed and valid PWD,
 204     ## it did not object when PWD was well-formed and valid but just wrong.
 205     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 206     then
 207       srcdir="$PWD"
 208     else
 209       srcdir="`(cd ${srcdir}; pwd)`"
 210     fi
 211   ;;
 212   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 213 esac
 214
 215 #### Check if the source directory already has a configured system in it.
 216 if test `pwd` != `(cd ${srcdir} && pwd)` \
 217    && test -f "${srcdir}/src/config.h" ; then
 218   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 219    as a build directory right now; it has been configured in its own
 220    right.  To configure in another directory as well, you MUST
 221    use GNU make.  If you do not have GNU make, then you must
 222    now do `make distclean' in ${srcdir},
 223    and then run $0 again.]])
 224 fi
 225
 226 #### Given the configuration name, set machfile and opsysfile to the
 227 #### names of the m/*.h and s/*.h files we should use.
 228
 229 ### Canonicalize the configuration name.
 230
 231 AC_CANONICAL_HOST
 232 canonical=$host
 233 configuration=${host_alias-${build_alias-$host}}
 234
 235 dnl This used to use changequote, but, apart from `changequote is evil'
 236 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 237 dnl the great gob of text.  Thus it's not processed for possible expansion.
 238 dnl Just make sure the brackets remain balanced.
 239 dnl
 240 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 241 dnl indicated by comments.
 242 dnl quotation begins
 243 [
 244
 245 ### If you add support for a new configuration, add code to this
 246 ### switch statement to recognize your configuration name and select
 247 ### the appropriate operating system and machine description files.
 248
 249 ### You would hope that you could choose an m/*.h file pretty much
 250 ### based on the machine portion of the configuration name, and an s-
 251 ### file based on the operating system portion.  However, it turns out
 252 ### that each m/*.h file is pretty manufacturer-specific - for
 253 ### example hp9000s300.h is a 68000 machine;
 254 ### mips.h, pmax.h are all MIPS
 255 ### machines.  So we basically have to have a special case for each
 256 ### configuration name.
 257 ###
 258 ### As far as handling version numbers on operating systems is
 259 ### concerned, make sure things will fail in a fixable way.  If
 260 ### /etc/MACHINES doesn't say anything about version numbers, be
 261 ### prepared to handle anything reasonably.  If version numbers
 262 ### matter, be sure /etc/MACHINES says something about it.
 263 ###
 264 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 265 ### "System V Release 4"; he writes, "The old convention encouraged
 266 ### confusion between `system' and `release' levels'."
 267
 268 machine='' opsys='' unported=no
 269 case "${canonical}" in
 270
 271   ## FreeBSD ports
 272   *-*-freebsd* )
 273     opsys=freebsd
 274     case "${canonical}" in
 275       alpha*-*-freebsd*)        machine=alpha ;;
 276       ia64-*-freebsd*)          machine=ia64 ;;
 277       sparc64-*-freebsd*)       machine=sparc ;;
 278       powerpc-*-freebsd*)       machine=macppc ;;
 279       i[3456]86-*-freebsd*)     machine=intel386 ;;
 280       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 281     esac
 282   ;;
 283
 284   ## FreeBSD kernel + glibc based userland
 285   *-*-kfreebsd*gnu* )
 286     opsys=gnu-kfreebsd
 287     case "${canonical}" in
 288       alpha*-*-kfreebsd*)       machine=alpha ;;
 289       ia64-*-kfreebsd*)         machine=ia64 ;;
 290       sparc64-*-kfreebsd*)      machine=sparc ;;
 291       powerpc-*-kfreebsd*)      machine=macppc ;;
 292       i[3456]86-*-kfreebsd*)    machine=intel386 ;;
 293       amd64-*-kfreebsd*|x86_64-*-kfreebsd*) machine=amdx86-64 ;;
 294     esac
 295   ;;
 296
 297   ## NetBSD ports
 298   *-*-netbsd* )
 299     opsys=netbsd
 300     if test -f /usr/lib/crti.o; then]
 301 dnl The close and open brackets here are because this section is quoted --
 302 dnl see the `changequote' comment above.
 303       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 304 [   fi
 305
 306     case "${canonical}" in
 307       alpha*-*-netbsd*) machine=alpha ;;
 308       i[3456]86-*-netbsd*) machine=intel386 ;;
 309       m68k-*-netbsd*)
 310                         # This is somewhat bogus.
 311                         machine=hp9000s300 ;;
 312       mips-*-netbsd*)   machine=pmax ;;
 313       mipsel-*-netbsd*) machine=pmax ;;
 314       mipseb-*-netbsd*) machine=pmax ;;
 315       powerpc-*-netbsd*) machine=macppc ;;
 316       sparc*-*-netbsd*) machine=sparc ;;
 317       vax-*-netbsd*)    machine=vax ;;
 318       arm-*-netbsd*)    machine=arm ;;
 319       x86_64-*-netbsd*) machine=amdx86-64 ;;
 320       hppa-*-netbsd*)   machine=hp800 ;;
 321     esac
 322   ;;
 323
 324   ## OpenBSD ports
 325   *-*-openbsd* )
 326     opsys=openbsd
 327     case "${canonical}" in
 328       alpha*-*-openbsd*)        machine=alpha ;;
 329       arm-*-openbsd*)          machine=arm ;;
 330       hppa-*-openbsd*)         machine=hp9000s300 ;;
 331       i386-*-openbsd*)         machine=intel386 ;;
 332       m68k-*-openbsd*)         machine=hp9000s300 ;;
 333       mips64-*-openbsd*)       machine=mips64 ;;
 334       powerpc-*-openbsd*)      machine=macppc ;;
 335       sparc*-*-openbsd*)       machine=sparc ;;
 336       vax-*-openbsd*)          machine=vax ;;
 337       x86_64-*-openbsd*)       machine=amdx86-64 ;;
 338     esac
 339   ;;
 340
 341   ## LynxOS ports
 342   *-*-lynxos* )
 343     opsys=lynxos
 344     case "${canonical}" in
 345       i[3456]86-*-lynxos*) machine=intel386 ;;
 346       powerpc-*-lynxos*) machine=powerpc ;;
 347     esac
 348   ;;
 349
 350   ## BSDI ports
 351   *-*-bsdi* )
 352     opsys=bsdi
 353     case "${canonical}" in
 354       i[345]86-*-bsdi*) machine=intel386 ;;
 355       sparc-*-bsdi*)  machine=sparc ;;
 356       powerpc-*-bsdi*)  machine=macppc ;;
 357     esac
 358     case "${canonical}" in
 359       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 360       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 361       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 362       *-*-bsdi3* )              opsys=bsdos3 ;;
 363       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 364     esac
 365   ;;
 366
 367   ## Alpha (DEC) machines.
 368   alpha*-dec-osf* )
 369     machine=alpha opsys=osf1
 370     # This is needed to find X11R6.1 libraries for certain tests.
 371     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 372     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 373     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 374     # due to non-traditional preprocessing with the current compiler
 375     # defaults.  OSF 4 can also have that compiler version, and there
 376     # seems always to have been a usable /usr/bin/cpp.
 377     NON_GNU_CPP=/usr/bin/cpp
 378     case "${canonical}" in
 379     alpha*-dec-osf[5-9]*)
 380       opsys=osf5-0 ;;
 381     esac
 382   ;;
 383
 384   alpha*-*-linux-gnu* )
 385     machine=alpha opsys=gnu-linux
 386   ;;
 387
 388   arm*-*-linux-gnu* )
 389     machine=arm opsys=gnu-linux
 390   ;;
 391
 392   ## Apple Darwin / Mac OS X
 393   *-apple-darwin* )
 394     case "${canonical}" in
 395       i[3456]86-* )  machine=intel386 ;;
 396       powerpc-* )    machine=powermac ;;
 397       * )            unported=yes ;;
 398     esac
 399     opsys=darwin
 400     # Define CPP as follows to make autoconf work correctly.
 401     CPP="${CC-cc} -E -no-cpp-precomp"
 402     # Use fink packages if available.
 403     if test -d /sw/include && test -d /sw/lib; then
 404       GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
 405       CPP="${CPP} ${GCC_TEST_OPTIONS}"
 406       NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
 407     fi
 408   ;;
 409
 410   ## Compaq Nonstop
 411   mips-compaq-nonstopux* )
 412     machine=nonstopux opsys=nonstopux
 413     ;;
 414
 415   ## Cubix QBx/386
 416   i[3456]86-cubix-sysv* )
 417     machine=intel386 opsys=usg5-3
 418   ;;
 419
 420   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 421     machine=pmax opsys=bsd4-2
 422   ;;
 423   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 424     machine=pmax opsys=bsd4-3
 425   ;;
 426   mips-dec-ultrix* )
 427     machine=pmax opsys=ultrix4-3
 428   ;;
 429   mips-dec-osf* )
 430     machine=pmax opsys=osf1
 431   ;;
 432   mips-dec-mach_bsd4.3* )
 433     machine=pmax opsys=mach-bsd4-3
 434   ;;
 435
 436   ## HP 9000 series 200 or 300
 437   m68*-hp-bsd* )
 438     machine=hp9000s300 opsys=bsd4-3
 439   ;;
 440   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 441   m68*-hp-hpux* )
 442     case "`uname -r`" in
 443       ## Someone's system reports A.B8.05 for this.
 444       ## I wonder what other possibilities there are.
 445       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 446       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 447       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 448       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 449       *) machine=hp9000s300 opsys=hpux ;;
 450     esac
 451   ;;
 452
 453   ## HP 9000 series 700 and 800, running HP/UX
 454   hppa*-hp-hpux7* )
 455     machine=hp800 opsys=hpux
 456   ;;
 457   hppa*-hp-hpux8* )
 458     machine=hp800 opsys=hpux8
 459   ;;
 460   hppa*-hp-hpux9shr* )
 461     machine=hp800 opsys=hpux9shr
 462   ;;
 463   hppa*-hp-hpux9* )
 464     machine=hp800 opsys=hpux9
 465   ;;
 466   hppa*-hp-hpux10.2* )
 467     machine=hp800 opsys=hpux10-20
 468   ;;
 469   hppa*-hp-hpux10* )
 470     machine=hp800 opsys=hpux10
 471   ;;
 472   hppa*-hp-hpux1[1-9]* )
 473     machine=hp800 opsys=hpux11
 474     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 475   ;;
 476
 477   hppa*-*-linux-gnu* )
 478     machine=hp800 opsys=gnu-linux
 479   ;;
 480
 481   ## HP 9000 series 700 and 800, running HP/UX
 482   hppa*-hp-hpux* )
 483     ## Cross-compilation?  Nah!
 484     case "`uname -r`" in
 485       ## Someone's system reports A.B8.05 for this.
 486       ## I wonder what other possibilities there are.
 487       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 488       *.08.* ) machine=hp800 opsys=hpux8 ;;
 489       *.09.* ) machine=hp800 opsys=hpux9 ;;
 490       *) machine=hp800 opsys=hpux10 ;;
 491     esac
 492   ;;
 493   hppa*-*-nextstep* )
 494     machine=hp800 opsys=nextstep
 495   ;;
 496
 497   ## IBM machines
 498   i370-ibm-aix*)
 499     machine=ibm370aix opsys=usg5-3
 500   ;;
 501   s390-*-linux-gnu* )
 502     machine=ibms390 opsys=gnu-linux
 503   ;;
 504   s390x-*-linux-gnu* )
 505     machine=ibms390x opsys=gnu-linux
 506   ;;
 507   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 508     machine=ibmrs6000 opsys=aix3-1
 509   ;;
 510   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 511     machine=ibmrs6000 opsys=aix3-2-5
 512   ;;
 513   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 514     machine=ibmrs6000 opsys=aix4-1
 515   ;;
 516   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 517     machine=ibmrs6000 opsys=aix4-2
 518   ;;
 519   rs6000-ibm-aix4.3* | powerpc-ibm-aix4.3*  )
 520     machine=ibmrs6000 opsys=aix4-2
 521   ;;
 522   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 523     machine=ibmrs6000 opsys=aix4-2
 524   ;;
 525   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 526     machine=ibmrs6000 opsys=aix4
 527   ;;
 528   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 529     machine=ibmrs6000 opsys=aix4-1
 530   ;;
 531   rs6000-ibm-aix* | powerpc-ibm-aix* )
 532     machine=ibmrs6000 opsys=aix3-2
 533   ;;
 534
 535   ## Prime EXL
 536   i[3456]86-prime-sysv* )
 537     machine=i386 opsys=usg5-3
 538   ;;
 539
 540   ## ncr machine running svr4.3.
 541   i[3456]86-ncr-sysv4.3 )
 542     machine=ncr386 opsys=usg5-4-3
 543   ;;
 544
 545   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 546   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 547   i[3456]86-ncr-sysv* )
 548     machine=ncr386 opsys=usg5-4-2
 549   ;;
 550
 551   ## Macintosh PowerPC
 552   powerpc*-*-linux-gnu* )
 553     machine=macppc opsys=gnu-linux
 554   ;;
 555
 556   ## Workstations sold by MIPS
 557   ## This is not necessarily all workstations using the MIPS processor -
 558   ## Irises are produced by SGI, and DECstations by DEC.
 559
 560   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 561   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 562   ## it gives for choosing between the alternatives seems to be "Use
 563   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 564   ## the BSD world."  I'll assume that these are instructions for
 565   ## handling two odd situations, and that every other situation
 566   ## should use mips.h and usg5-2-2, they being listed first.
 567   mips-mips-usg* )
 568     machine=mips4
 569     ## Fall through to the general code at the bottom to decide on the OS.
 570   ;;
 571   mips-mips-riscos4* )
 572     machine=mips4 opsys=bsd4-3
 573     NON_GNU_CC="cc -systype bsd43"
 574     NON_GNU_CPP="cc -systype bsd43 -E"
 575   ;;
 576   mips-mips-riscos5* )
 577     machine=mips4 opsys=riscos5
 578     NON_GNU_CC="cc -systype bsd43"
 579     NON_GNU_CPP="cc -systype bsd43 -E"
 580   ;;
 581   mips-mips-bsd* )
 582     machine=mips opsys=bsd4-3
 583   ;;
 584   mips-mips-* )
 585     machine=mips opsys=usg5-2-2
 586   ;;
 587
 588   ## NeXT
 589   m68*-next-* | m68k-*-nextstep* )
 590     machine=m68k opsys=nextstep
 591   ;;
 592
 593   ## NEC EWS4800
 594   mips-nec-sysv4*)
 595   machine=ews4800 opsys=ux4800
 596   ;;
 597
 598   ## Siemens Nixdorf
 599   mips-siemens-sysv* | mips-sni-sysv*)
 600     machine=mips-siemens opsys=usg5-4
 601     NON_GNU_CC=/usr/ccs/bin/cc
 602     NON_GNU_CPP=/usr/ccs/lib/cpp
 603   ;;
 604
 605   ## Silicon Graphics machines
 606   ## Iris 4D
 607   mips-sgi-irix6.5 )
 608     machine=iris4d opsys=irix6-5
 609     # Without defining _LANGUAGE_C, things get masked out in the headers
 610     # so that, for instance, grepping for `free' in stdlib.h fails and
 611     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 612     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 613     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 614   ;;
 615   mips-sgi-irix6* )
 616     machine=iris4d opsys=irix6-0
 617     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 618     # but presumably it does no harm.
 619     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 620     # -32 probably isn't necessary in later v.6s -- anyone know which?
 621     NON_GCC_TEST_OPTIONS=-32
 622   ;;
 623   mips-sgi-irix5.[01]* )
 624     machine=iris4d opsys=irix5-0
 625   ;;
 626   mips-sgi-irix5* | mips-sgi-irix* )
 627     machine=iris4d opsys=irix5-2
 628   ;;
 629
 630   ## Suns
 631   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 632     machine=sparc opsys=gnu-linux
 633   ;;
 634
 635   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 636     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 637     | rs6000-*-solaris2*)
 638     case "${canonical}" in
 639       i[3456]86-*-* )     machine=intel386 ;;
 640       amd64-*-*|x86_64-*-*)     machine=amdx86-64 ;;
 641       powerpcle* )      machine=powerpcle ;;
 642       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 643       sparc* )          machine=sparc ;;
 644       * )               unported=yes ;;
 645     esac
 646     case "${canonical}" in
 647       *-sunos5.3* | *-solaris2.3* )
 648                 opsys=sol2-3
 649                 NON_GNU_CPP=/usr/ccs/lib/cpp
 650                 ;;
 651       *-sunos5.4* | *-solaris2.4* )
 652                 opsys=sol2-4
 653                 NON_GNU_CPP=/usr/ccs/lib/cpp
 654                 RANLIB="ar -ts"
 655                 ;;
 656       *-sunos5.5* | *-solaris2.5* )
 657                 opsys=sol2-5
 658                 NON_GNU_CPP=/usr/ccs/lib/cpp
 659                 RANLIB="ar -ts"
 660                 ;;
 661       *-sunos5.6* | *-solaris2.6* )
 662                 opsys=sol2-6
 663                 NON_GNU_CPP=/usr/ccs/lib/cpp
 664                 RANLIB="ar -ts"
 665                 ;;
 666       *-sunos5* | *-solaris* )
 667                 opsys=sol2-6
 668                 emacs_check_sunpro_c=yes
 669                 NON_GNU_CPP=/usr/ccs/lib/cpp
 670                 ;;
 671       *                   ) opsys=bsd4-2   ;;
 672     esac
 673     ## Watch out for a compiler that we know will not work.
 674     case "${canonical}" in
 675      *-solaris* | *-sunos5* )
 676                 if [ "x$CC" = x/usr/ucb/cc ]; then
 677                   ## /usr/ucb/cc doesn't work;
 678                   ## we should find some other compiler that does work.
 679                   unset CC
 680                 fi
 681                 ;;
 682       *) ;;
 683     esac
 684   ;;
 685   sparc-*-nextstep* )
 686     machine=sparc opsys=nextstep
 687   ;;
 688
 689   ## Tandem Integrity S2
 690   mips-tandem-sysv* )
 691     machine=tandem-s2 opsys=usg5-3
 692   ;;
 693
 694   ## Vaxen.
 695   vax-dec-* )
 696     machine=vax
 697     case "${canonical}" in
 698       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 699       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 700       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 701       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 702       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 703       *-vms* )                                          opsys=vms ;;
 704       * )                                               unported=yes
 705     esac
 706   ;;
 707
 708   ## IA-64
 709   ia64*-*-linux* )
 710     machine=ia64 opsys=gnu-linux
 711   ;;
 712
 713   ## Intel 386 machines where we don't care about the manufacturer
 714   i[3456]86-*-* )
 715     machine=intel386
 716     case "${canonical}" in
 717       *-cygwin )                opsys=cygwin ;;
 718       *-darwin* )               opsys=darwin
 719                                 CPP="${CC-cc} -E -no-cpp-precomp"
 720                                 ;;
 721       *-xenix* )                opsys=xenix ;;
 722       *-linux-gnu* )            opsys=gnu-linux ;;
 723       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 724       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 725       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
 726       *-386bsd* )               opsys=386bsd ;;
 727       *-nextstep* )             opsys=nextstep ;;
 728       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 729     esac
 730   ;;
 731
 732   ## m68k Linux-based GNU system
 733   m68k-*-linux-gnu* )
 734     machine=m68k opsys=gnu-linux
 735   ;;
 736
 737   ## Mips Linux-based GNU system
 738   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
 739     machine=mips opsys=gnu-linux
 740   ;;
 741
 742   ## UXP/DS
 743   sparc-fujitsu-sysv4* )
 744     machine=sparc opsys=uxpds
 745     NON_GNU_CPP=/usr/ccs/lib/cpp
 746     RANLIB="ar -ts"
 747   ;;
 748
 749   ## AMD x86-64 Linux-based GNU system
 750   x86_64-*-linux-gnu* )
 751     machine=amdx86-64 opsys=gnu-linux
 752   ;;
 753
 754   ## Tensilica Xtensa Linux-based GNU system
 755   xtensa*-*-linux-gnu* )
 756     machine=xtensa opsys=gnu-linux
 757     ;;
 758
 759   * )
 760     unported=yes
 761   ;;
 762 esac
 763
 764 ### If the code above didn't choose an operating system, just choose
 765 ### an operating system based on the configuration name.  You really
 766 ### only want to use this when you have no idea what the right
 767 ### operating system is; if you know what operating systems a machine
 768 ### runs, it's cleaner to make it explicit in the case statement
 769 ### above.
 770 if test x"${opsys}" = x; then
 771   case "${canonical}" in
 772     *-gnu* )                            opsys=gnu ;;
 773     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 774     *-bsd4.2 )                          opsys=bsd4-2 ;;
 775     *-bsd4.3 )                          opsys=bsd4-3 ;;
 776     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 777     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 778     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 779     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 780     *-sysv4.2uw* )                      opsys=unixware ;;
 781     *-sysv5uw* )                        opsys=unixware ;;
 782     *-sysv5OpenUNIX* )                  opsys=unixware ;;
 783     *-sysv4.1* | *-sysvr4.1* )
 784         NON_GNU_CPP=/usr/lib/cpp
 785         opsys=usg5-4 ;;
 786     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 787         if [ x$NON_GNU_CPP = x ]; then
 788           if [ -f /usr/ccs/lib/cpp ]; then
 789             NON_GNU_CPP=/usr/ccs/lib/cpp
 790           else
 791             NON_GNU_CPP=/lib/cpp
 792           fi
 793         fi
 794         opsys=usg5-4-2 ;;
 795     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 796     * )
 797       unported=yes
 798     ;;
 799   esac
 800 fi
 801
 802 ]
 803 dnl quotation ends
 804
 805 if test $unported = yes; then
 806   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
 807 Check `etc/MACHINES' for recognized configuration names.])
 808 fi
 809
 810 machfile="m/${machine}.h"
 811 opsysfile="s/${opsys}.h"
 812
 813
 814 #### Choose a compiler.
 815 test -n "$CC" && cc_specified=yes
 816
 817 # Save the value of CFLAGS that the user specified.
 818 SPECIFIED_CFLAGS="$CFLAGS"
 819
 820 case ${with_gcc} in
 821   "yes" ) CC="gcc" GCC=yes ;;
 822   "no"  ) : ${CC=cc} ;;
 823   * )
 824 esac
 825 AC_PROG_CC
 826
 827 # On Suns, sometimes $CPP names a directory.
 828 if test -n "$CPP" && test -d "$CPP"; then
 829   CPP=
 830 fi
 831
 832 ## If not using gcc, and on Solaris, and no CPP specified, see if
 833 ## using a Sun compiler, which needs -Xs to prevent whitespace.
 834 if test x"$GCC" != xyes && test x"$emacs_check_sunpro_c" = xyes && \
 835  test x"$CPP" = x; then
 836   AC_MSG_CHECKING([whether we are using a Sun C compiler])
 837   AC_CACHE_VAL(emacs_cv_sunpro_c,
 838   [AC_TRY_LINK([],
 839 [#ifndef __SUNPRO_C
 840 fail;
 841 #endif
 842 ], emacs_cv_sunpro_c=yes, emacs_cv_sunpro_c=no)])
 843   AC_MSG_RESULT($emacs_cv_sunpro_c)
 844
 845   if test x"$emacs_cv_sunpro_c" = xyes; then
 846     NON_GNU_CPP="$CC -E -Xs"
 847   fi
 848 fi
 849
 850 #### Some systems specify a CPP to use unless we are using GCC.
 851 #### Now that we know whether we are using GCC, we can decide whether
 852 #### to use that one.
 853 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 854 then
 855   CPP="$NON_GNU_CPP"
 856 fi
 857
 858 #### Some systems specify a CC to use unless we are using GCC.
 859 #### Now that we know whether we are using GCC, we can decide whether
 860 #### to use that one.
 861 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 862   test x$cc_specified != xyes
 863 then
 864   CC="$NON_GNU_CC"
 865 fi
 866
 867 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
 868 then
 869   CC="$CC $GCC_TEST_OPTIONS"
 870 fi
 871
 872 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
 873 then
 874   CC="$CC $NON_GCC_TEST_OPTIONS"
 875 fi
 876
 877 dnl checks for Unix variants
 878 AC_AIX
 879 AC_GNU_SOURCE
 880
 881 ### Use -Wno-pointer-sign if the compiler supports it
 882 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
 883 SAVE_CFLAGS="$CFLAGS"
 884 CFLAGS="$CFLAGS -Wno-pointer-sign"
 885 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
 886 if test $has_option = yes; then
 887    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
 888 fi
 889 AC_MSG_RESULT($has_option)
 890 CFLAGS="$SAVE_CFLAGS"
 891 unset has_option
 892 unset SAVE_CFLAGS
 893
 894 #### Some other nice autoconf tests.
 895
 896 dnl checks for programs
 897 AC_PROG_LN_S
 898 AC_PROG_CPP
 899 AC_PROG_INSTALL
 900 if test "x$RANLIB" = x; then
 901   AC_PROG_RANLIB
 902 fi
 903 AC_PATH_PROG(INSTALL_INFO, install-info)
 904 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
 905 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
 906 dnl Don't use GZIP, which is used by gzip for additional parameters.
 907 AC_PATH_PROG(GZIP_PROG, gzip)
 908
 909
 910 ## Need makeinfo >= 4.6 (?) to build the manuals.
 911 AC_PATH_PROG(MAKEINFO, makeinfo, no)
 912 dnl By this stage, configure has already checked for egrep and set EGREP,
 913 dnl or exited with an error if no egrep was found.
 914 if test "$MAKEINFO" != "no" && \
 915   test x"`$MAKEINFO --version 2> /dev/null | $EGREP 'texinfo[[^0-9]]*([[1-4]][[0-9]]+|[[5-9]]|4\.[[6-9]]|4\.[[1-5]][[0-9]]+)'`" = x; then
 916    MAKEINFO=no
 917 fi
 918
 919 if test "$MAKEINFO" = "no"; then
 920   AC_MSG_ERROR( [makeinfo >= 4.6 is required] )
 921 fi
 922
 923
 924 dnl Add our options to ac_link now, after it is set up.
 925
 926 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
 927 then
 928   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
 929 fi
 930
 931 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
 932 then
 933   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
 934 fi
 935
 936 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
 937 dnl If we can link with the flag, it shouldn't do any harm anyhow.
 938 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
 939 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
 940 dnl if not built to support GNU ld.
 941
 942 late_LDFLAGS=$LDFLAGS
 943 if test "$GCC" = yes; then
 944   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
 945 else
 946   LDFLAGS="$LDFLAGS -znocombreloc"
 947 fi
 948
 949 AC_MSG_CHECKING([for -znocombreloc])
 950 AC_LINK_IFELSE([main(){return 0;}],
 951   [AC_MSG_RESULT(yes)],
 952   LDFLAGS=$late_LDFLAGS
 953   [AC_MSG_RESULT(no)])
 954
 955 #### Extract some information from the operating system and machine files.
 956
 957 AC_CHECKING([the machine- and system-dependent files to find out
 958  - which libraries the lib-src programs will want, and
 959  - whether the GNU malloc routines are usable])
 960
 961 ### First figure out CFLAGS (which we use for running the compiler here)
 962 ### and REAL_CFLAGS (which we use for real compilation).
 963 ### The two are the same except on a few systems, where they are made
 964 ### different to work around various lossages.  For example,
 965 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
 966 ### as implying static linking.
 967
 968 ### If the CFLAGS env var is specified, we use that value
 969 ### instead of the default.
 970
 971 ### It's not important that this name contain the PID; you can't run
 972 ### two configures in the same directory and have anything work
 973 ### anyway.
 974 tempcname="conftest.c"
 975
 976 echo '
 977 #include "'${srcdir}'/src/'${opsysfile}'"
 978 #include "'${srcdir}'/src/'${machfile}'"
 979 #ifndef LIBS_MACHINE
 980 #define LIBS_MACHINE
 981 #endif
 982 #ifndef LIBS_SYSTEM
 983 #define LIBS_SYSTEM
 984 #endif
 985 #ifndef C_SWITCH_SYSTEM
 986 #define C_SWITCH_SYSTEM
 987 #endif
 988 #ifndef C_SWITCH_MACHINE
 989 #define C_SWITCH_MACHINE
 990 #endif
 991 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
 992 configure___ c_switch_system=C_SWITCH_SYSTEM
 993 configure___ c_switch_machine=C_SWITCH_MACHINE
 994
 995 #ifndef LIB_X11_LIB
 996 #define LIB_X11_LIB -lX11
 997 #endif
 998
 999 #ifndef LIBX11_MACHINE
1000 #define LIBX11_MACHINE
1001 #endif
1002
1003 #ifndef LIBX11_SYSTEM
1004 #define LIBX11_SYSTEM
1005 #endif
1006 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1007
1008 #ifdef UNEXEC
1009 configure___ unexec=UNEXEC
1010 #else
1011 configure___ unexec=unexec.o
1012 #endif
1013
1014 #ifdef SYSTEM_MALLOC
1015 configure___ system_malloc=yes
1016 #else
1017 configure___ system_malloc=no
1018 #endif
1019
1020 #ifdef USE_MMAP_FOR_BUFFERS
1021 configure___ use_mmap_for_buffers=yes
1022 #else
1023 configure___ use_mmap_for_buffers=no
1024 #endif
1025
1026 #ifndef C_DEBUG_SWITCH
1027 #define C_DEBUG_SWITCH -g
1028 #endif
1029
1030 #ifndef C_OPTIMIZE_SWITCH
1031 #ifdef __GNUC__
1032 #define C_OPTIMIZE_SWITCH -O2
1033 #else
1034 #define C_OPTIMIZE_SWITCH -O
1035 #endif
1036 #endif
1037
1038 #ifndef C_WARNINGS_SWITCH
1039 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1040 #endif
1041
1042 #ifndef LD_SWITCH_MACHINE
1043 #define LD_SWITCH_MACHINE
1044 #endif
1045
1046 #ifndef LD_SWITCH_SYSTEM
1047 #define LD_SWITCH_SYSTEM
1048 #endif
1049
1050 #ifndef LD_SWITCH_X_SITE_AUX
1051 #define LD_SWITCH_X_SITE_AUX
1052 #endif
1053
1054 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1055 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1056
1057 #ifdef THIS_IS_CONFIGURE
1058
1059 /* Get the CFLAGS for tests in configure.  */
1060 #ifdef __GNUC__
1061 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1062 #else
1063 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1064 #endif
1065
1066 #else /* not THIS_IS_CONFIGURE */
1067
1068 /* Get the CFLAGS for real compilation.  */
1069 #ifdef __GNUC__
1070 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1071 #else
1072 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1073 #endif
1074
1075 #endif /* not THIS_IS_CONFIGURE */
1076 ' > ${tempcname}
1077
1078 # The value of CPP is a quoted variable reference, so we need to do this
1079 # to get its actual value...
1080 CPP=`eval "echo $CPP"`
1081 [eval `${CPP} -Isrc ${tempcname} \
1082        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1083 if test "x$SPECIFIED_CFLAGS" = x; then
1084   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1085          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1086 else
1087   REAL_CFLAGS="$CFLAGS"
1088 fi]
1089 rm ${tempcname}
1090
1091 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1092
1093 ### Make sure subsequent tests use flags consistent with the build flags.
1094
1095 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1096   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1097 else
1098   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1099 fi
1100
1101 dnl For AC_FUNC_GETLOADAVG, at least:
1102 AC_CONFIG_LIBOBJ_DIR(src)
1103
1104 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1105 AC_SYS_LARGEFILE
1106
1107
1108 ### The standard library on x86-64 and s390x GNU/Linux distributions can
1109 ### be located in either /usr/lib64 or /usr/lib.
1110 case "${canonical}" in
1111   x86_64-*-linux-gnu* | s390x-*-linux-gnu* )
1112     if test -d /usr/lib64; then
1113       AC_DEFINE(HAVE_LIB64_DIR, 1,
1114         [Define to 1 if the directory /usr/lib64 exists.])
1115 fi
1116 esac
1117
1118 dnl This function defintion taken from Gnome 2.0
1119 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1120 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1121 dnl also defines GSTUFF_PKG_ERRORS on error
1122 AC_DEFUN([PKG_CHECK_MODULES], [
1123   succeeded=no
1124
1125   AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1126
1127   if test "$PKG_CONFIG" = "no" ; then
1128      ifelse([$4], , [AC_MSG_ERROR([
1129       *** 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])
1130   else
1131      PKG_CONFIG_MIN_VERSION=0.9.0
1132      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1133         AC_MSG_CHECKING(for $2)
1134
1135         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1136             AC_MSG_RESULT(yes)
1137             succeeded=yes
1138
1139             AC_MSG_CHECKING($1_CFLAGS)
1140             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"|sed -e 's,///*,/,g'`
1141             AC_MSG_RESULT($$1_CFLAGS)
1142
1143             AC_MSG_CHECKING($1_LIBS)
1144             $1_LIBS=`$PKG_CONFIG --libs "$2"|sed -e 's,///*,/,g'`
1145             AC_MSG_RESULT($$1_LIBS)
1146         else
1147             AC_MSG_RESULT(no)
1148             $1_CFLAGS=""
1149             $1_LIBS=""
1150             ## If we have a custom action on failure, don't print errors, but
1151             ## do set a variable so people can do so.
1152             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1153             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1154         fi
1155
1156         AC_SUBST($1_CFLAGS)
1157         AC_SUBST($1_LIBS)
1158      else
1159         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1160         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1161      fi
1162   fi
1163
1164   if test $succeeded = yes; then
1165      ifelse([$3], , :, [$3])
1166   else
1167      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.])], [$4])
1168   fi
1169 ])
1170
1171
1172 if test "${with_sound}" != "no"; then
1173   # Sound support for GNU/Linux and the free BSDs.
1174   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1175   # Emulation library used on NetBSD.
1176   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1177   AC_SUBST(LIBSOUND)
1178
1179   ALSA_REQUIRED=1.0.0
1180   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1181   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1182   if test $HAVE_ALSA = yes; then
1183     SAVE_CFLAGS="$CFLAGS"
1184     SAVE_LDFLAGS="$LDFLAGS"
1185     CFLAGS="$ALSA_CFLAGS $CFLAGS"
1186     LDFLAGS="$ALSA_LIBS $LDFLAGS"
1187     AC_TRY_COMPILE([#include <asoundlib.h>], [snd_lib_error_set_handler (0);],
1188                     emacs_alsa_normal=yes,
1189                     emacs_alsa_normal=no)
1190     if test "$emacs_alsa_normal" != yes; then
1191       AC_TRY_COMPILE([#include <alsa/asoundlib.h>],
1192                      [snd_lib_error_set_handler (0);],
1193                      emacs_alsa_subdir=yes,
1194                      emacs_alsa_subdir=no)
1195       if test "$emacs_alsa_subdir" != yes; then
1196         AC_MSG_ERROR([pkg-config found alsa, but it does not compile.  See config.log for error messages.])
1197       fi
1198       ALSA_CFLAGS="$ALSA_CFLAGS -DALSA_SUBDIR_INCLUDE"
1199     fi
1200
1201     CFLAGS="$SAVE_CFLAGS"
1202     LDFLAGS="$SAVE_LDFLAGS"
1203     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1204     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1205     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1206   fi
1207   AC_SUBST(CFLAGS_SOUND)
1208 fi
1209
1210 dnl checks for header files
1211 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1212   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1213   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1214   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1215   sys/utsname.h pwd.h)
1216
1217 AC_MSG_CHECKING(if personality LINUX32 can be set)
1218 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1219                emacs_cv_personality_linux32=yes,
1220                emacs_cv_personality_linux32=no)
1221 AC_MSG_RESULT($emacs_cv_personality_linux32)
1222
1223 if test $emacs_cv_personality_linux32 = yes; then
1224   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1225             [Define to 1 if personality LINUX32 can be set.])
1226 fi
1227
1228 dnl On Solaris 8 there's a compilation warning for term.h because
1229 dnl it doesn't define `bool'.
1230 AC_CHECK_HEADERS(term.h, , , -)
1231 AC_HEADER_STDC
1232 AC_HEADER_TIME
1233 AC_CHECK_DECLS([sys_siglist])
1234 if test $ac_cv_have_decl_sys_siglist != yes; then
1235   # For Tru64, at least:
1236   AC_CHECK_DECLS([__sys_siglist])
1237   if test $ac_cv_have_decl___sys_siglist = yes; then
1238     AC_DEFINE(sys_siglist, __sys_siglist,
1239               [Define to any substitute for sys_siglist.])
1240   fi
1241 fi
1242 AC_HEADER_SYS_WAIT
1243
1244 dnl Some systems have utime.h but don't declare the struct anyplace.
1245 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1246 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1247 #include <sys/time.h>
1248 #include <time.h>
1249 #else
1250 #ifdef HAVE_SYS_TIME_H
1251 #include <sys/time.h>
1252 #else
1253 #include <time.h>
1254 #endif
1255 #endif
1256 #ifdef HAVE_UTIME_H
1257 #include <utime.h>
1258 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1259   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1260 if test $emacs_cv_struct_utimbuf = yes; then
1261   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1262 fi
1263
1264 dnl checks for typedefs
1265 AC_TYPE_SIGNAL
1266
1267 dnl Check for speed_t typedef.
1268 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1269   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1270     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1271 if test $emacs_cv_speed_t = yes; then
1272   AC_DEFINE(HAVE_SPEED_T, 1,
1273            [Define to 1 if `speed_t' is declared by <termios.h>.])
1274 fi
1275
1276 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1277 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1278 #include <sys/time.h>
1279 #include <time.h>
1280 #else
1281 #ifdef HAVE_SYS_TIME_H
1282 #include <sys/time.h>
1283 #else
1284 #include <time.h>
1285 #endif
1286 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1287   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1288 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1289 if test $emacs_cv_struct_timeval = yes; then
1290   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1291 fi
1292
1293 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1294 AC_TRY_COMPILE([#include <math.h>],
1295 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1296   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1297 HAVE_EXCEPTION=$emacs_cv_struct_exception
1298 if test $emacs_cv_struct_exception != yes; then
1299   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1300 fi
1301
1302 AC_CHECK_HEADERS(sys/socket.h)
1303 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1304 #if HAVE_SYS_SOCKET_H
1305 #include <sys/socket.h>
1306 #endif])
1307
1308 dnl checks for structure members
1309 AC_STRUCT_TM
1310 AC_STRUCT_TIMEZONE
1311 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1312                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1313                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1314                 [#include <time.h>])
1315 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1316                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1317                   struct ifreq.ifr_addr], , ,
1318                  [AC_INCLUDES_DEFAULT
1319 #if HAVE_SYS_SOCKET_H
1320 #include <sys/socket.h>
1321 #endif
1322 #if HAVE_NET_IF_H
1323 #include <net/if.h>
1324 #endif])
1325
1326 dnl checks for compiler characteristics
1327
1328 dnl Testing __STDC__ to determine prototype support isn't good enough.
1329 dnl DEC C, for instance, doesn't define it with default options, and
1330 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1331 dnl and void *.
1332 AC_C_PROTOTYPES
1333 AC_C_VOLATILE
1334 AC_C_CONST
1335 dnl This isn't useful because we can't turn on use of `inline' unless
1336 dnl the compiler groks `extern inline'.
1337 dnl AC_C_INLINE
1338 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1339   [AC_TRY_COMPILE(, [void * foo;],
1340                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1341 if test $emacs_cv_void_star = yes; then
1342   AC_DEFINE(POINTER_TYPE, void)
1343 else
1344   AC_DEFINE(POINTER_TYPE, char)
1345 fi
1346 AH_TEMPLATE(POINTER_TYPE,
1347             [Define as `void' if your compiler accepts `void *'; otherwise
1348              define as `char'.])dnl
1349
1350
1351
1352 dnl This could be used for targets which can have both byte sexes.
1353 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1354 dnl AC_C_BIGENDIAN
1355
1356 dnl check for Make feature
1357 AC_PROG_MAKE_SET
1358
1359 dnl checks for operating system services
1360 AC_SYS_LONG_FILE_NAMES
1361
1362 #### Choose a window system.
1363
1364 AC_PATH_X
1365 if test "$no_x" = yes; then
1366   window_system=none
1367 else
1368   window_system=x11
1369 fi
1370
1371 if test "${x_libraries}" != NONE; then
1372   if test -n "${x_libraries}"; then
1373     LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1374     LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1375   fi
1376   x_default_search_path=""
1377   x_search_path=${x_libraries}
1378   if test -z "${x_search_path}"; then
1379     x_search_path=/usr/lib
1380   fi
1381   for x_library in `echo ${x_search_path}: | \
1382                     sed -e "s/:/ /g" -e p -e "s:/lib[[^ /]]* :/share :g"`; do
1383     x_search_path="\
1384 ${x_library}/X11/%L/%T/%N%C%S:\
1385 ${x_library}/X11/%l/%T/%N%C%S:\
1386 ${x_library}/X11/%T/%N%C%S:\
1387 ${x_library}/X11/%L/%T/%N%S:\
1388 ${x_library}/X11/%l/%T/%N%S:\
1389 ${x_library}/X11/%T/%N%S"
1390     if test x"${x_default_search_path}" = x; then
1391       x_default_search_path=${x_search_path}
1392     else
1393       x_default_search_path="${x_search_path}:${x_default_search_path}"
1394     fi
1395   done
1396 fi
1397 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1398   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1399 fi
1400
1401 if test x"${x_includes}" = x; then
1402   bitmapdir=/usr/include/X11/bitmaps
1403 else
1404   # accumulate include directories that have X11 bitmap subdirectories
1405   bmd_acc="dummyval"
1406   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1407     if test -d "${bmd}/X11/bitmaps"; then
1408       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1409     fi
1410     if test -d "${bmd}/bitmaps"; then
1411       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1412     fi
1413   done
1414   if test ${bmd_acc} != "dummyval"; then
1415     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1416   fi
1417 fi
1418
1419 HAVE_CARBON=no
1420 if test "${with_carbon}" != no; then
1421   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1422 fi
1423 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1424   if test "${with_carbon+set}" != set \
1425      && test "${carbon_appdir_x+set}" != set; then
1426     for var in with_x with_x_toolkit with_gtk with_xim \
1427                with_xpm with_jpeg with_tiff with_gif with_png; do
1428       if eval test \"\${$var+set}\" = set; then
1429         HAVE_CARBON=no
1430         break
1431       fi
1432     done
1433   fi
1434 fi
1435 if test "${HAVE_CARBON}" = yes; then
1436   window_system=mac
1437 fi
1438
1439 case "${window_system}" in
1440   x11 )
1441     HAVE_X_WINDOWS=yes
1442     HAVE_X11=yes
1443     case "${with_x_toolkit}" in
1444       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1445       motif ) USE_X_TOOLKIT=MOTIF ;;
1446       gtk ) with_gtk=yes
1447 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1448 dnl USE_X_TOOLKIT is set.
1449             USE_X_TOOLKIT=none ;;
1450       no ) USE_X_TOOLKIT=none ;;
1451 dnl If user did not say whether to use a toolkit, make this decision later:
1452 dnl use the toolkit if we have gtk, or X11R5 or newer.
1453       * )
1454           if test x"$with_gtk" = xyes; then
1455              USE_X_TOOLKIT=none
1456           else
1457              USE_X_TOOLKIT=maybe
1458           fi
1459           ;;
1460     esac
1461   ;;
1462   mac | none )
1463     HAVE_X_WINDOWS=no
1464     HAVE_X11=no
1465     USE_X_TOOLKIT=none
1466   ;;
1467 esac
1468
1469 if test "$window_system" = none && test "X$with_x" != "Xno"; then
1470    AC_CHECK_PROG(HAVE_XSERVER, X, true, false)
1471    if test "$HAVE_XSERVER" = true ||
1472       test -n "$DISPLAY" ||
1473       test "`echo /usr/lib/libX11.*`" != "/usr/lib/libX11.*"; then
1474         AC_MSG_ERROR([You seem to be running X, but no X development libraries
1475 were found.  You should install the relevant development files for X
1476 and for the toolkit you want, such as Gtk+, Lesstif or Motif.  Also make
1477 sure you have development files for image handling, i.e.
1478 tiff, gif, jpeg, png and xpm.
1479 If you are sure you want Emacs compiled without X window support, pass
1480   --without-x
1481 to configure.])
1482    fi
1483 fi
1484
1485 ### If we're using X11, we should use the X menu package.
1486 HAVE_MENUS=no
1487 case ${HAVE_X11} in
1488   yes ) HAVE_MENUS=yes ;;
1489 esac
1490
1491 ### Compute the unexec source name from the object name.
1492 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1493
1494 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1495 # Assume not, until told otherwise.
1496 GNU_MALLOC=yes
1497 doug_lea_malloc=yes
1498 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1499 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1500 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1501                emacs_cv_var___after_morecore_hook,
1502 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1503   emacs_cv_var___after_morecore_hook=yes,
1504   emacs_cv_var___after_morecore_hook=no)])
1505 if test $emacs_cv_var___after_morecore_hook = no; then
1506   doug_lea_malloc=no
1507 fi
1508 if test "${system_malloc}" = "yes"; then
1509   GNU_MALLOC=no
1510   GNU_MALLOC_reason="
1511     (The GNU allocators don't work with this system configuration.)"
1512 fi
1513 if test "$doug_lea_malloc" = "yes" ; then
1514   if test "$GNU_MALLOC" = yes ; then
1515     GNU_MALLOC_reason="
1516       (Using Doug Lea's new malloc from the GNU C Library.)"
1517   fi
1518   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1519             [Define to 1 if you are using the GNU C Library.])
1520 fi
1521
1522 if test x"${REL_ALLOC}" = x; then
1523   REL_ALLOC=${GNU_MALLOC}
1524 fi
1525
1526 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1527 dnl the system configuration file (s/*.h) to turn the use of mmap
1528 dnl in the relocating allocator on.
1529
1530 AC_FUNC_MMAP
1531 if test $use_mmap_for_buffers = yes; then
1532   REL_ALLOC=no
1533 fi
1534
1535 LIBS="$libsrc_libs $LIBS"
1536
1537 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1538 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1539 AC_CHECK_LIB(dnet, dnet_ntoa)
1540 dnl This causes -lresolv to get used in subsequent tests,
1541 dnl which causes failures on some systems such as HPUX 9.
1542 dnl AC_CHECK_LIB(resolv, gethostbyname)
1543
1544 dnl FIXME replace main with a function we actually want from this library.
1545 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1546
1547 AC_CHECK_LIB(pthreads, cma_open)
1548
1549 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1550 if test -d /usr/X386/include; then
1551   HAVE_XFREE386=yes
1552   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1553 else
1554   HAVE_XFREE386=no
1555 fi
1556 AC_MSG_RESULT($HAVE_XFREE386)
1557
1558 dnl Check for need for bigtoc support on IBM AIX
1559
1560 case ${host_os} in
1561 aix*)
1562   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1563     case $GCC in
1564     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1565     *) gdb_cv_bigtoc=-bbigtoc ;;
1566     esac
1567
1568     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1569     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1570   ])
1571   ;;
1572 esac
1573
1574 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1575 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1576 # REAL_CPPFLAGS later on.
1577
1578 REAL_CPPFLAGS="$CPPFLAGS"
1579
1580 if test "${HAVE_X11}" = "yes"; then
1581   DEFS="$C_SWITCH_X_SITE $DEFS"
1582   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1583   LIBS="$LIBX $LIBS"
1584   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1585   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1586
1587   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1588   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1589   # but it's more convenient here to set LD_RUN_PATH
1590   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1591   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1592     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1593     export LD_RUN_PATH
1594   fi
1595
1596   if test "${opsys}" = "gnu-linux"; then
1597     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1598     AC_TRY_LINK([],
1599      [XOpenDisplay ("foo");],
1600      [xlinux_first_failure=no],
1601      [xlinux_first_failure=yes])
1602     if test "${xlinux_first_failure}" = "yes"; then
1603       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1604       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1605       OLD_CPPFLAGS="$CPPFLAGS"
1606       OLD_LIBS="$LIBS"
1607       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1608       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1609       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1610       LIBS="$LIBS -b i486-linuxaout"
1611       AC_TRY_LINK([],
1612        [XOpenDisplay ("foo");],
1613        [xlinux_second_failure=no],
1614        [xlinux_second_failure=yes])
1615       if test "${xlinux_second_failure}" = "yes"; then
1616         # If we get the same failure with -b, there is no use adding -b.
1617         # So take it out.  This plays safe.
1618         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1619         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1620         CPPFLAGS="$OLD_CPPFLAGS"
1621         LIBS="$OLD_LIBS"
1622         AC_MSG_RESULT(no)
1623       else
1624         AC_MSG_RESULT(yes)
1625       fi
1626     else
1627       AC_MSG_RESULT(no)
1628     fi
1629   fi
1630
1631   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1632   # header files included from there.
1633   AC_MSG_CHECKING(for Xkb)
1634   AC_TRY_LINK([#include <X11/Xlib.h>
1635 #include <X11/XKBlib.h>],
1636         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1637         emacs_xkb=yes, emacs_xkb=no)
1638   AC_MSG_RESULT($emacs_xkb)
1639   if test $emacs_xkb = yes; then
1640     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1641   fi
1642
1643   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1644 XScreenNumberOfScreen XSetWMProtocols)
1645 fi
1646
1647 if test "${window_system}" = "x11"; then
1648   AC_MSG_CHECKING(X11 version 6)
1649   AC_CACHE_VAL(emacs_cv_x11_version_6,
1650   [AC_TRY_LINK([#include <X11/Xlib.h>],
1651 [#if XlibSpecificationRelease < 6
1652 fail;
1653 #endif
1654 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1655   if test $emacs_cv_x11_version_6 = yes; then
1656     AC_MSG_RESULT(6 or newer)
1657     AC_DEFINE(HAVE_X11R6, 1,
1658               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1659   else
1660     AC_MSG_RESULT(before 6)
1661   fi
1662 fi
1663
1664
1665 ### Use -lrsvg-2 if available, unless `--with-rsvg=no' is specified.
1666 HAVE_RSVG=no
1667 if test "${HAVE_X11}" = "yes" || test "${HAVE_CARBON}" = "yes"; then
1668   if test "${with_rsvg}" != "no"; then
1669     RSVG_REQUIRED=2.0.0
1670     RSVG_MODULE="librsvg-2.0 >= $RSVG_REQUIRED"
1671
1672     PKG_CHECK_MODULES(RSVG, $RSVG_MODULE, :, :)
1673     AC_SUBST(RSVG_CFLAGS)
1674     AC_SUBST(RSVG_LIBS)
1675
1676     if test ".${RSVG_CFLAGS}" != "."; then
1677       HAVE_RSVG=yes
1678       AC_DEFINE(HAVE_RSVG, 1, [Define to 1 if using librsvg.])
1679       CFLAGS="$CFLAGS $RSVG_CFLAGS"
1680       LIBS="$RSVG_LIBS $LIBS"
1681     fi
1682   fi
1683 fi
1684
1685
1686 HAVE_GTK=no
1687 if test "${with_gtk}" = "yes" && test "$USE_X_TOOLKIT" = "gtk"; then
1688   USE_X_TOOLKIT=none
1689 fi
1690 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk" || \
1691  test "$USE_X_TOOLKIT" = "maybe"; then
1692   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
1693     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
1694   fi
1695   GLIB_REQUIRED=2.6
1696   GTK_REQUIRED=2.6
1697   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
1698
1699   dnl Checks for libraries.
1700   PKG_CHECK_MODULES(GTK, $GTK_MODULES, pkg_check_gtk=yes, pkg_check_gtk=no)
1701   if test "$pkg_check_gtk" = "no" && test "$USE_X_TOOLKIT" != "maybe"; then
1702      AC_MSG_ERROR($GTK_PKG_ERRORS)
1703   fi
1704 fi
1705
1706
1707 if test x"$pkg_check_gtk" = xyes; then
1708
1709   AC_SUBST(GTK_CFLAGS)
1710   AC_SUBST(GTK_LIBS)
1711   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
1712   CFLAGS="$CFLAGS $GTK_CFLAGS"
1713   LIBS="$GTK_LIBS $LIBS"
1714   dnl Try to compile a simple GTK program.
1715   GTK_COMPILES=no
1716   AC_CHECK_FUNCS(gtk_main, GTK_COMPILES=yes)
1717   if test "${GTK_COMPILES}" != "yes"; then
1718     if test "$USE_X_TOOLKIT" != "maybe"; then
1719       AC_MSG_ERROR([Gtk+ wanted, but it does not compile, see config.log.  Maybe some x11-devel files missing?]);
1720     fi
1721   else
1722     HAVE_GTK=yes
1723     AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
1724     USE_X_TOOLKIT=none
1725   fi
1726
1727 fi
1728
1729
1730 if test "${HAVE_GTK}" = "yes"; then
1731
1732   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
1733   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
1734   if test "$with_toolkit_scroll_bars" != no; then
1735     with_toolkit_scroll_bars=yes
1736   fi
1737
1738   dnl  Check if we can use multiple displays with this GTK version.
1739   dnl  If gdk_display_open exists, assume all others are there also.
1740   HAVE_GTK_MULTIDISPLAY=no
1741   AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
1742   if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
1743     AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
1744               [Define to 1 if GTK can handle more than one display.])
1745   fi
1746
1747   dnl  Check if we have the old file selection dialog.
1748   dnl  If gdk_display_open exists, assume all others are there also.
1749   HAVE_GTK_FILE_SELECTION=no
1750   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
1751
1752   dnl  Check if we have the new file chooser dialog
1753   dnl  If gdk_display_open exists, assume all others are there also.
1754   HAVE_GTK_FILE_CHOOSER=no
1755   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
1756
1757   if test "$HAVE_GTK_FILE_SELECTION" = yes \
1758      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
1759     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
1760               [Define to 1 if GTK has both file selection and chooser dialog.])
1761   fi
1762
1763   dnl Check if pthreads are available.  Emacs only needs this when using
1764   dnl gtk_file_chooser under Gnome.
1765   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
1766     HAVE_GTK_AND_PTHREAD=no
1767     AC_CHECK_HEADERS(pthread.h)
1768     if test "$ac_cv_header_pthread_h"; then
1769       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
1770     fi
1771     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
1772       case "${canonical}" in
1773         *-hpux*) ;;
1774         *) GTK_LIBS="$GTK_LIBS -lpthread" ;;
1775       esac
1776       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
1777                [Define to 1 if you have GTK and pthread (-lpthread).])
1778     fi
1779   fi
1780 fi
1781
1782 dnl D-Bus has been tested under GNU/Linux only.  Must be adapted for
1783 dnl other platforms.  Support for higher D-Bus versions than 1.0 is
1784 dnl also not configured.
1785 HAVE_DBUS=no
1786 if test "${with_dbus}" = "yes"; then
1787    PKG_CHECK_MODULES(DBUS, dbus-1 >= 1.0, HAVE_DBUS=yes, HAVE_DBUS=no)
1788    if test "$HAVE_DBUS" = yes; then
1789       AC_DEFINE(HAVE_DBUS, 1, [Define to 1 if using D-Bus.])
1790    fi
1791 fi
1792
1793 ### Link with -lXft if available to work around a bug.
1794 HAVE_XFT=maybe
1795 if test "${HAVE_GTK}" = "yes"; then
1796   PKG_CHECK_MODULES(XFT, xft >= 0.13.0, , HAVE_XFT=no)
1797   if test "$HAVE_XFT" != no; then
1798     OLD_CFLAGS="$CPPFLAGS"
1799     OLD_CPPFLAGS="$CFLAGS"
1800     OLD_LIBS="$LIBS"
1801     CPPFLAGS="$CPPFLAGS $XFT_CFLAGS"
1802     CFLAGS="$CFLAGS $XFT_CFLAGS"
1803     LIBS="$XFT_LIBS $LIBS"
1804     AC_CHECK_HEADER(X11/Xft/Xft.h,
1805       [AC_CHECK_LIB(Xft, XftFontOpen, HAVE_XFT=yes, , $XFT_LIBS)])
1806
1807     if test "${HAVE_XFT}" = "yes"; then
1808       AC_DEFINE(HAVE_XFT, 1, [Define to 1 if you have the Xft library.])
1809       AC_SUBST(XFT_LIBS)
1810       C_SWITCH_X_SITE="$C_SWITCH_X_SITE $XFT_CFLAGS"
1811     else
1812       CFLAGS="$OLD_CPPFLAGS"
1813       CFLAGS="$OLD_CFLAGS"
1814       LIBS="$OLD_LIBS"
1815     fi
1816   fi
1817 fi
1818
1819 dnl Do not put whitespace before the #include statements below.
1820 dnl Older compilers (eg sunos4 cc) choke on it.
1821 HAVE_XAW3D=no
1822 if test x"${USE_X_TOOLKIT}" = xmaybe || test x"${USE_X_TOOLKIT}" = xLUCID; then
1823   if test "$with_xaw3d" != no; then
1824     AC_MSG_CHECKING(for xaw3d)
1825     AC_CACHE_VAL(emacs_cv_xaw3d,
1826     [AC_TRY_LINK([
1827 #include <X11/Intrinsic.h>
1828 #include <X11/Xaw3d/Simple.h>],
1829       [],
1830       emacs_cv_xaw3d=yes,
1831       emacs_cv_xaw3d=no)])
1832   else
1833     emacs_cv_xaw3d=no
1834   fi
1835   if test $emacs_cv_xaw3d = yes; then
1836     AC_MSG_RESULT([yes; using Lucid toolkit])
1837     USE_X_TOOLKIT=LUCID
1838     HAVE_XAW3D=yes
1839     AC_DEFINE(HAVE_XAW3D, 1,
1840               [Define to 1 if you have the Xaw3d library (-lXaw3d).])
1841   else
1842     AC_MSG_RESULT(no)
1843     AC_MSG_CHECKING(for libXaw)
1844     AC_CACHE_VAL(emacs_cv_xaw,
1845     [AC_TRY_LINK([
1846 #include <X11/Intrinsic.h>
1847 #include <X11/Xaw/Simple.h>],
1848       [],
1849       emacs_cv_xaw=yes,
1850       emacs_cv_xaw=no)])
1851     if test $emacs_cv_xaw = yes; then
1852       AC_MSG_RESULT([yes; using Lucid toolkit])
1853       USE_X_TOOLKIT=LUCID
1854     elif test x"${USE_X_TOOLKIT}" = xLUCID; then
1855       AC_MSG_ERROR([Lucid toolkit requires X11/Xaw include files])
1856     else
1857       AC_MSG_RESULT([no; do not use toolkit by default])
1858       USE_X_TOOLKIT=none
1859     fi
1860   fi
1861 fi
1862
1863 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1864
1865 if test "${USE_X_TOOLKIT}" != "none"; then
1866   AC_MSG_CHECKING(X11 toolkit version)
1867   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1868   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
1869 [#if XtSpecificationRelease < 6
1870 fail;
1871 #endif
1872 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
1873   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1874   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1875     AC_MSG_RESULT(6 or newer)
1876     AC_DEFINE(HAVE_X11XTR6, 1,
1877               [Define to 1 if you have the X11R6 or newer version of Xt.])
1878   else
1879     AC_MSG_RESULT(before 6)
1880   fi
1881
1882 dnl If using toolkit, check whether libXmu.a exists.
1883 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1884   OLDLIBS="$LIBS"
1885   if test x$HAVE_X11XTR6 = xyes; then
1886     LIBS="-lXt -lSM -lICE $LIBS"
1887   else
1888     LIBS="-lXt $LIBS"
1889   fi
1890   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1891   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
1892 fi
1893
1894 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
1895 if test "${HAVE_X11}" = "yes"; then
1896   if test "${USE_X_TOOLKIT}" != "none"; then
1897     AC_CHECK_LIB(Xext, XShapeQueryExtension)
1898   fi
1899 fi
1900
1901 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1902   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1903   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
1904     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1905 int x = 5;
1906 #else
1907 Motif version prior to 2.1.
1908 #endif],
1909     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
1910   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1911   if test $emacs_cv_motif_version_2_1 = yes; then
1912     HAVE_LIBXP=no
1913     AC_DEFINE(HAVE_MOTIF_2_1, 1,
1914               [Define to 1 if you have Motif 2.1 or newer.])
1915     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
1916     if test ${HAVE_LIBXP} = yes; then
1917       AC_DEFINE(HAVE_LIBXP, 1,
1918                 [Define to 1 if you have the Xp library (-lXp).])
1919     fi
1920   else
1921     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
1922     # We put this in CFLAGS temporarily to precede other -I options
1923     # that might be in CFLAGS temporarily.
1924     # We put this in CPPFLAGS where it precedes the other -I options.
1925     OLD_CPPFLAGS=$CPPFLAGS
1926     OLD_CFLAGS=$CFLAGS
1927     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
1928     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
1929     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
1930       [int x = 5;],
1931       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
1932     if test $emacs_cv_lesstif = yes; then
1933       # Make sure this -I option remains in CPPFLAGS after it is set
1934       # back to REAL_CPPFLAGS.
1935       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
1936       # have those other -I options anyway.  Ultimately, having this
1937       # directory ultimately in CPPFLAGS will be enough.
1938       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
1939       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
1940     else
1941       CFLAGS=$OLD_CFLAGS
1942       CPPFLAGS=$OLD_CPPFLAGS
1943     fi
1944   fi
1945 fi
1946
1947 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
1948 dnl using Motif or Xaw3d is available, and unless
1949 dnl --with-toolkit-scroll-bars=no was specified.
1950
1951 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
1952             [Define to 1 if we should use toolkit scroll bars.])dnl
1953 USE_TOOLKIT_SCROLL_BARS=no
1954 if test "${with_toolkit_scroll_bars}" != "no"; then
1955   if test "${USE_X_TOOLKIT}" != "none"; then
1956     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1957       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1958       HAVE_XAW3D=no
1959       USE_TOOLKIT_SCROLL_BARS=yes
1960     elif test "${HAVE_XAW3D}" = "yes"; then
1961       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1962       USE_TOOLKIT_SCROLL_BARS=yes
1963     fi
1964   elif test "${HAVE_GTK}" = "yes"; then
1965     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1966     USE_TOOLKIT_SCROLL_BARS=yes
1967   elif test "${HAVE_CARBON}" = "yes"; then
1968     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1969     USE_TOOLKIT_SCROLL_BARS=yes
1970   fi
1971 fi
1972
1973 dnl See if XIM is available.
1974 AC_TRY_COMPILE([
1975           #include <X11/Xlib.h>
1976           #include <X11/Xresource.h>],
1977          [XIMProc  callback;],
1978          [HAVE_XIM=yes
1979          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available])],
1980          HAVE_XIM=no)
1981
1982 dnl `--with-xim' now controls only the initial value of use_xim at run time.
1983
1984 if test "${with_xim}" != "no"; then
1985   AC_DEFINE(USE_XIM, 1,
1986             [Define to 1 if we should use XIM, if it is available.])
1987 fi
1988
1989
1990 if test "${HAVE_XIM}" != "no"; then
1991   late_CFLAGS=$CFLAGS
1992   if test "$GCC" = yes; then
1993     CFLAGS="$CFLAGS --pedantic-errors"
1994   fi
1995   AC_TRY_COMPILE([
1996 #include <X11/Xlib.h>
1997 #include <X11/Xresource.h>],
1998 [Display *display;
1999 XrmDatabase db;
2000 char *res_name;
2001 char *res_class;
2002 XIMProc  callback;
2003 XPointer *client_data;
2004 #ifndef __GNUC__
2005 /* If we're not using GCC, it's probably not XFree86, and this is
2006    probably right, but we can't use something like --pedantic-errors.  */
2007 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2008                                            char*, XIMProc, XPointer*);
2009 #endif
2010 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2011    client_data);],
2012     [emacs_cv_arg6_star=yes])
2013   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2014          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2015 either XPointer or XPointer*.])dnl
2016   if test "$emacs_cv_arg6_star" = yes; then
2017     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2018   else
2019     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2020   fi
2021   CFLAGS=$late_CFLAGS
2022 fi
2023
2024 ### Use -lXpm if available, unless `--with-xpm=no'.
2025 HAVE_XPM=no
2026 if test "${HAVE_X11}" = "yes"; then
2027   if test "${with_xpm}" != "no"; then
2028     AC_CHECK_HEADER(X11/xpm.h,
2029       [AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11)])
2030     if test "${HAVE_XPM}" = "yes"; then
2031       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2032       AC_EGREP_CPP(no_return_alloc_pixels,
2033       [#include "X11/xpm.h"
2034 #ifndef XpmReturnAllocPixels
2035 no_return_alloc_pixels
2036 #endif
2037       ], HAVE_XPM=no, HAVE_XPM=yes)
2038
2039       if test "${HAVE_XPM}" = "yes"; then
2040         AC_MSG_RESULT(yes)
2041       else
2042         AC_MSG_RESULT(no)
2043       fi
2044     fi
2045   fi
2046
2047   if test "${HAVE_XPM}" = "yes"; then
2048     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2049   fi
2050 fi
2051
2052 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2053 HAVE_JPEG=no
2054 if test "${HAVE_X11}" = "yes"; then
2055   if test "${with_jpeg}" != "no"; then
2056     dnl Checking for jpeglib.h can lose because of a redefinition of
2057     dnl  HAVE_STDLIB_H.
2058     AC_CHECK_HEADER(jerror.h,
2059       [AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes)])
2060   fi
2061
2062   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2063   if test "${HAVE_JPEG}" = "yes"; then
2064     AC_DEFINE(HAVE_JPEG)
2065     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2066         [#include <jpeglib.h>
2067          version=JPEG_LIB_VERSION
2068 ],
2069         [AC_DEFINE(HAVE_JPEG)],
2070         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2071         HAVE_JPEG=no])
2072   fi
2073 fi
2074
2075 ### Use -lpng if available, unless `--with-png=no'.
2076 HAVE_PNG=no
2077 if test "${HAVE_X11}" = "yes"; then
2078   if test "${with_png}" != "no"; then
2079     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2080     # in /usr/include/libpng.
2081     AC_CHECK_HEADERS(png.h libpng/png.h)
2082     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2083       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2084     fi
2085   fi
2086
2087   if test "${HAVE_PNG}" = "yes"; then
2088     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2089   fi
2090 fi
2091
2092 ### Use -ltiff if available, unless `--with-tiff=no'.
2093 HAVE_TIFF=no
2094 if test "${HAVE_X11}" = "yes"; then
2095   if test "${with_tiff}" != "no"; then
2096     AC_CHECK_HEADER(tiffio.h,
2097       [tifflibs="-lz -lm"
2098       # At least one tiff package requires the jpeg library.
2099       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2100       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs)])
2101   fi
2102
2103   if test "${HAVE_TIFF}" = "yes"; then
2104     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2105   fi
2106 fi
2107
2108 ### Use -lgif or -lungif if available, unless `--with-gif=no'.
2109 HAVE_GIF=no
2110 if test "${HAVE_X11}" = "yes" && test "${with_gif}" != "no"; then
2111   AC_CHECK_HEADER(gif_lib.h,
2112 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2113 # Earlier versions can crash Emacs.
2114     [AC_CHECK_LIB(gif, EGifPutExtensionLast, HAVE_GIF=yes, try_libungif=yes)])
2115
2116   if test "$HAVE_GIF" = yes; then
2117       ac_gif_lib_name="-lgif"
2118   fi
2119
2120 # If gif_lib.h but no libgif, try libungif.
2121   if test x"$try_libungif" = xyes; then
2122     AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes)
2123
2124     if test "$HAVE_GIF" = yes; then
2125       AC_DEFINE(LIBGIF, -lungif, [Compiler option to link with the gif library (if not -lgif).])
2126       ac_gif_lib_name="-lungif"
2127     fi
2128   fi
2129
2130   if test "${HAVE_GIF}" = "yes"; then
2131     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have a gif library (default -lgif; otherwise specify with LIBGIF).])
2132   fi
2133 fi
2134
2135 dnl Check for required libraries.
2136 if test "${HAVE_X11}" = "yes"; then
2137   MISSING=""
2138   WITH_NO=""
2139   test "${with_xpm}" != "no" && test "${HAVE_XPM}" != "yes" &&
2140     MISSING="libXpm" && WITH_NO="--with-xpm=no"
2141   test "${with_jpeg}" != "no" && test "${HAVE_JPEG}" != "yes" &&
2142     MISSING="$MISSING libjpeg" && WITH_NO="$WITH_NO --with-jpeg=no"
2143   test "${with_png}" != "no" && test "${HAVE_PNG}" != "yes" &&
2144     MISSING="$MISSING libpng" && WITH_NO="$WITH_NO --with-png=no"
2145   test "${with_gif}" != "no" && test "${HAVE_GIF}" != "yes" &&
2146     MISSING="$MISSING libgif/libungif" && WITH_NO="$WITH_NO --with-gif=no"
2147   test "${with_tiff}" != "no" && test "${HAVE_TIFF}" != "yes" &&
2148     MISSING="$MISSING libtiff" && WITH_NO="$WITH_NO --with-tiff=no"
2149
2150   if test "X${MISSING}" != X; then
2151     AC_MSG_ERROR([The following required libraries were not found:
2152     $MISSING
2153 Maybe some development libraries/packages are missing?
2154 If you don't want to link with them give
2155     $WITH_NO
2156 as options to configure])
2157   fi
2158 fi
2159
2160 ### Use -lgpm if available, unless `--with-gpm=no'.
2161 HAVE_GPM=no
2162 if test "${with_gpm}" != "no"; then
2163   AC_CHECK_HEADER(gpm.h,
2164     [AC_CHECK_LIB(gpm, Gpm_Open, HAVE_GPM=yes)])
2165 fi
2166
2167 if test "${HAVE_GPM}" = "yes"; then
2168   AC_DEFINE(HAVE_GPM, 1, [Define to 1 if you have the gpm library (-lgpm).])
2169 fi
2170
2171 dnl Check for malloc/malloc.h on darwin
2172 AC_CHECK_HEADER(malloc/malloc.h, [AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.])])
2173
2174 ### Use Mac OS X Carbon API to implement GUI.
2175 if test "${HAVE_CARBON}" = "yes"; then
2176   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2177   ## Specify the install directory
2178   carbon_appdir=
2179   if test "${carbon_appdir_x}" != ""; then
2180     case ${carbon_appdir_x} in
2181       y | ye | yes)  carbon_appdir=/Applications ;;
2182       * ) carbon_appdir=${carbon_appdir_x} ;;
2183     esac
2184   fi
2185   # We also have mouse menus.
2186   HAVE_MENUS=yes
2187 fi
2188
2189 ### Use session management (-lSM -lICE) if available
2190 HAVE_X_SM=no
2191 if test "${HAVE_X11}" = "yes"; then
2192   AC_CHECK_HEADER(X11/SM/SMlib.h,
2193     [AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE)])
2194
2195   if test "${HAVE_X_SM}" = "yes"; then
2196     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2197     case "$LIBS" in
2198       *-lSM*) ;;
2199       *)      LIBS="-lSM -lICE $LIBS" ;;
2200     esac
2201   fi
2202 fi
2203
2204 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2205 AC_CACHE_CHECK(whether netdb declares h_errno,
2206                emacs_cv_netdb_declares_h_errno,
2207 [AC_TRY_LINK([#include <netdb.h>],
2208   [return h_errno;],
2209   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2210 if test $emacs_cv_netdb_declares_h_errno = yes; then
2211   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2212 fi
2213
2214 AC_FUNC_ALLOCA
2215
2216 dnl src/alloca.c has been removed.  Could also check if $ALLOCA is set?
2217 dnl FIXME is there an autoconf test that does the right thing, without
2218 dnl needing to call A_M_E afterwards?
2219 if test x"$ac_cv_func_alloca_works" != xyes; then
2220    AC_MSG_ERROR( [a system implementation of alloca is required] )
2221 fi
2222
2223 # fmod, logb, and frexp are found in -lm on most systems.
2224 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2225 AC_CHECK_LIB(m, sqrt)
2226
2227 # Check for mail-locking functions in a "mail" library.  Probably this should
2228 # have the same check as for liblockfile below.
2229 AC_CHECK_LIB(mail, maillock)
2230 dnl Debian, at least:
2231 AC_CHECK_LIB(lockfile, maillock)
2232 # If we have the shared liblockfile, assume we must use it for mail
2233 # locking (e.g. Debian).  If we couldn't link against liblockfile
2234 # (no liblockfile.a installed), ensure that we don't need to.
2235 if test "$ac_cv_lib_lockfile_maillock" = no; then
2236   dnl This works for files generally, not just executables.
2237   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2238   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2239                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2240   if test $ac_cv_prog_liblockfile = yes; then
2241     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2242 This probably means that movemail could lose mail.
2243 There may be a `development' package to install containing liblockfile.])
2244   else :
2245   fi
2246 fi
2247 AC_CHECK_FUNCS(touchlock)
2248 AC_CHECK_HEADERS(maillock.h)
2249
2250 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2251 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2252 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime setsid \
2253 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2254 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2255 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2256 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2257 gai_strerror mkstemp getline getdelim mremap memmove fsync sync bzero \
2258 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2259
2260 AC_CHECK_HEADERS(sys/un.h)
2261
2262 AC_FUNC_MKTIME
2263 if test "$ac_cv_func_working_mktime" = no; then
2264   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2265 fi
2266
2267 AC_FUNC_GETLOADAVG
2268
2269 AC_FUNC_FSEEKO
2270
2271 # Configure getopt.
2272 m4_include([m4/getopt.m4])
2273 gl_GETOPT_IFELSE([
2274   gl_GETOPT_SUBSTITUTE_HEADER
2275   gl_PREREQ_GETOPT
2276   GETOPTOBJS='getopt.o getopt1.o'
2277 ])
2278 AC_SUBST(GETOPTOBJS)
2279
2280 AC_FUNC_GETPGRP
2281
2282 AC_FUNC_STRFTIME
2283
2284 # UNIX98 PTYs.
2285 AC_CHECK_FUNCS(grantpt)
2286
2287 # PTY-related GNU extensions.
2288 AC_CHECK_FUNCS(getpt)
2289
2290 # Check this now, so that we will NOT find the above functions in ncurses.
2291 # That is because we have not set up to link ncurses in lib-src.
2292 # It's better to believe a function is not available
2293 # than to expect to find it in ncurses.
2294 AC_CHECK_LIB(ncurses, tparm)
2295
2296 # Do we have res_init, for detecting changes in /etc/resolv.conf?
2297
2298 resolv=no
2299 AC_TRY_LINK([#include <netinet/in.h>
2300 #include <arpa/nameser.h>
2301 #include <resolv.h>],
2302     [return res_init();],
2303     have_res_init=yes, have_res_init=no)
2304 if test "$have_res_init" = no; then
2305   OLIBS="$LIBS"
2306   LIBS="$LIBS -lresolv"
2307   AC_MSG_CHECKING(for res_init with -lresolv)
2308   AC_TRY_LINK([#include <netinet/in.h>
2309 #include <arpa/nameser.h>
2310 #include <resolv.h>],
2311     [return res_init();],
2312     have_res_init=yes, have_res_init=no)
2313   AC_MSG_RESULT($have_res_init)
2314   if test "$have_res_init" = yes ; then
2315     resolv=yes
2316   fi
2317   LIBS="$OLIBS"
2318 fi
2319
2320 if test "$have_res_init" = yes; then
2321   AC_DEFINE(HAVE_RES_INIT, 1, [Define to 1 if res_init is available.])
2322 fi
2323
2324 # Do we need the Hesiod library to provide the support routines?
2325 if test "$with_hesiod" = yes ; then
2326   # Don't set $LIBS here -- see comments above.
2327   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2328      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2329                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2330   if test "$resolv" = yes ; then
2331     RESOLVLIB=-lresolv
2332   else
2333     RESOLVLIB=
2334   fi
2335   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2336         [AC_DEFINE(HAVE_LIBHESIOD, 1,
2337                   [Define to 1 if you have the hesiod library (-lhesiod).])],
2338         :, $RESOLVLIB)])
2339 fi
2340
2341 # Do we need libresolv (due to res_init or Hesiod)?
2342 if test "$resolv" = yes ; then
2343   AC_DEFINE(HAVE_LIBRESOLV, 1,
2344             [Define to 1 if you have the resolv library (-lresolv).])
2345 fi
2346
2347 # These tell us which Kerberos-related libraries to use.
2348 if test "${with_kerberos+set}" = set; then
2349   AC_CHECK_LIB(com_err, com_err)
2350   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2351   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2352   AC_CHECK_LIB(krb5, krb5_init_context)
2353   if test "${with_kerberos5+set}" != set; then
2354     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2355                  [AC_CHECK_LIB(des, des_cbc_encrypt)])
2356     AC_CHECK_LIB(krb4, krb_get_cred,,
2357                  [AC_CHECK_LIB(krb, krb_get_cred)])
2358   fi
2359
2360   if test "${with_kerberos5+set}" = set; then
2361     AC_CHECK_HEADERS(krb5.h)
2362   else
2363     AC_CHECK_HEADERS(des.h,,
2364                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2365                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2366     AC_CHECK_HEADERS(krb.h,,
2367                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2368                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2369   fi
2370   AC_CHECK_HEADERS(com_err.h)
2371 fi
2372
2373 # Solaris requires -lintl if you want strerror (which calls dgettext)
2374 # to return localized messages.
2375 AC_CHECK_LIB(intl, dgettext)
2376
2377 AC_MSG_CHECKING(whether localtime caches TZ)
2378 AC_CACHE_VAL(emacs_cv_localtime_cache,
2379 [if test x$ac_cv_func_tzset = xyes; then
2380 AC_TRY_RUN([#include <time.h>
2381 extern char **environ;
2382 unset_TZ ()
2383 {
2384   char **from, **to;
2385   for (to = from = environ; (*to = *from); from++)
2386     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2387       to++;
2388 }
2389 char TZ_GMT0[] = "TZ=GMT0";
2390 char TZ_PST8[] = "TZ=PST8";
2391 main()
2392 {
2393   time_t now = time ((time_t *) 0);
2394   int hour_GMT0, hour_unset;
2395   if (putenv (TZ_GMT0) != 0)
2396     exit (1);
2397   hour_GMT0 = localtime (&now)->tm_hour;
2398   unset_TZ ();
2399   hour_unset = localtime (&now)->tm_hour;
2400   if (putenv (TZ_PST8) != 0)
2401     exit (1);
2402   if (localtime (&now)->tm_hour == hour_GMT0)
2403     exit (1);
2404   unset_TZ ();
2405   if (localtime (&now)->tm_hour != hour_unset)
2406     exit (1);
2407   exit (0);
2408 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2409 [# If we have tzset, assume the worst when cross-compiling.
2410 emacs_cv_localtime_cache=yes])
2411 else
2412         # If we lack tzset, report that localtime does not cache TZ,
2413         # since we can't invalidate the cache if we don't have tzset.
2414         emacs_cv_localtime_cache=no
2415 fi])dnl
2416 AC_MSG_RESULT($emacs_cv_localtime_cache)
2417 if test $emacs_cv_localtime_cache = yes; then
2418   AC_DEFINE(LOCALTIME_CACHE, 1,
2419             [Define to 1 if localtime caches TZ.])
2420 fi
2421
2422 if test "x$HAVE_TIMEVAL" = xyes; then
2423   AC_CHECK_FUNCS(gettimeofday)
2424   if test $ac_cv_func_gettimeofday = yes; then
2425     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2426                    emacs_cv_gettimeofday_two_arguments,
2427     [AC_TRY_COMPILE([
2428 #ifdef TIME_WITH_SYS_TIME
2429 #include <sys/time.h>
2430 #include <time.h>
2431 #else
2432 #ifdef HAVE_SYS_TIME_H
2433 #include <sys/time.h>
2434 #else
2435 #include <time.h>
2436 #endif
2437 #endif],
2438       [struct timeval time;
2439        gettimeofday (&time, 0);],
2440       emacs_cv_gettimeofday_two_arguments=yes,
2441       emacs_cv_gettimeofday_two_arguments=no)])
2442     if test $emacs_cv_gettimeofday_two_arguments = no; then
2443       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2444                 [Define to 1 if gettimeofday accepts only one argument.])
2445     fi
2446   fi
2447 fi
2448
2449 ok_so_far=yes
2450 AC_CHECK_FUNC(socket, , ok_so_far=no)
2451 if test $ok_so_far = yes; then
2452   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2453 fi
2454 if test $ok_so_far = yes; then
2455   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2456 fi
2457 if test $ok_so_far = yes; then
2458 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2459   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2460             [Define to 1 if you have inet sockets.])
2461 fi
2462
2463 AC_CHECK_HEADERS(sys/ioctl.h)
2464
2465 if test -f /usr/lpp/X11/bin/smt.exp; then
2466   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2467             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2468 fi
2469
2470 AC_MSG_CHECKING(whether system supports dynamic ptys)
2471 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2472   AC_MSG_RESULT(yes)
2473   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2474 else
2475   AC_MSG_RESULT(no)
2476 fi
2477
2478 AC_FUNC_FORK
2479
2480 dnl Adapted from Haible's version.
2481 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2482   [AC_TRY_LINK([#include <langinfo.h>],
2483     [char* cs = nl_langinfo(CODESET);],
2484     emacs_cv_langinfo_codeset=yes,
2485     emacs_cv_langinfo_codeset=no)
2486   ])
2487 if test $emacs_cv_langinfo_codeset = yes; then
2488   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2489     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2490 fi
2491
2492 AC_CHECK_TYPES(size_t)
2493
2494 AC_TYPE_MBSTATE_T
2495
2496 dnl Restrict could probably be used effectively other than in regex.c.
2497 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2498   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2499                   emacs_cv_c_restrict=yes,
2500                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2501                                   emacs_cv_c_restrict=__restrict,
2502                                   emacs_cv_c_restrict=no)])])
2503 case "$emacs_cv_c_restrict" in
2504   yes) emacs_restrict=restrict;;
2505   no) emacs_restrict="";;
2506   *) emacs_restrict="$emacs_cv_c_restrict";;
2507 esac
2508 if test "$emacs_restrict" != __restrict; then
2509   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2510     [Define to compiler's equivalent of C99 restrict keyword.
2511      Don't define if equivalent is `__restrict'.])
2512 fi
2513
2514 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2515   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2516                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2517 if test "$emacs_cv_c_restrict_arr" = yes; then
2518   AC_DEFINE(__restrict_arr, __restrict,
2519     [Define to compiler's equivalent of C99 restrict keyword in array
2520      declarations.  Define as empty for no equivalent.])
2521 fi
2522
2523 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2524 dnl how the tty code is related to POSIX and/or other versions of termios.
2525 dnl The following looks like a useful start.
2526 dnl
2527 dnl AC_SYS_POSIX_TERMIOS
2528 dnl if test $ac_cv_sys_posix_termios = yes; then
2529 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2530 dnl                                and macros for terminal control.])
2531 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2532 dnl fi
2533
2534 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2535
2536 # Set up the CFLAGS for real compilation, so we can substitute it.
2537 CFLAGS="$REAL_CFLAGS"
2538 CPPFLAGS="$REAL_CPPFLAGS"
2539
2540 #### Find out which version of Emacs this is.
2541 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2542          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2543 if test x"${version}" = x; then
2544   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2545 fi
2546
2547 ### Specify what sort of things we'll be editing into Makefile and config.h.
2548 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2549 AC_SUBST(version)
2550 AC_SUBST(configuration)
2551 AC_SUBST(canonical)
2552 AC_SUBST(srcdir)
2553 AC_SUBST(prefix)
2554 AC_SUBST(exec_prefix)
2555 AC_SUBST(bindir)
2556 AC_SUBST(datadir)
2557 AC_SUBST(sharedstatedir)
2558 AC_SUBST(libexecdir)
2559 AC_SUBST(mandir)
2560 AC_SUBST(infodir)
2561 AC_SUBST(lispdir)
2562 AC_SUBST(locallisppath)
2563 AC_SUBST(lisppath)
2564 AC_SUBST(x_default_search_path)
2565 AC_SUBST(etcdir)
2566 AC_SUBST(archlibdir)
2567 AC_SUBST(docdir)
2568 AC_SUBST(bitmapdir)
2569 AC_SUBST(gamedir)
2570 AC_SUBST(gameuser)
2571 AC_SUBST(c_switch_system)
2572 AC_SUBST(c_switch_machine)
2573 AC_SUBST(LD_SWITCH_X_SITE)
2574 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2575 AC_SUBST(C_SWITCH_X_SITE)
2576 AC_SUBST(CFLAGS)
2577 AC_SUBST(X_TOOLKIT_TYPE)
2578 AC_SUBST(machfile)
2579 AC_SUBST(opsysfile)
2580 AC_SUBST(GETLOADAVG_LIBS)
2581 AC_SUBST(carbon_appdir)
2582
2583 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2584                    [Define to the canonical Emacs configuration name.])
2585 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2586                    [Define to the options passed to configure.])
2587 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2588                    [Define to the used machine dependent file.])
2589 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2590                    [Define to the used os dependent file.])
2591 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2592 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2593  may need to deal with X Windows.  For instance, if you've defined
2594  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2595  your loader can find on its own, you might want to add "-L/..." or
2596  something similar.])
2597 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2598                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2599                     in case it's needed (for Solaris, for example).])
2600 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2601 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2602  may need to deal with X Windows.  For instance, if you've defined
2603  HAVE_X_WINDOWS above and your X include files aren't in a place
2604  that your compiler can find on its own, you might want to add
2605  "-I/..." or something similar.])
2606 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2607                    [Define to the unexec source file name.])
2608
2609 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2610   AC_DEFINE(HAVE_X_WINDOWS, 1,
2611             [Define to 1 if you want to use the X window system.])
2612 fi
2613 if test "${USE_X_TOOLKIT}" != "none" ; then
2614   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2615 fi
2616 if test "${HAVE_X11}" = "yes" ; then
2617   AC_DEFINE(HAVE_X11, 1,
2618             [Define to 1 if you want to use version 11 of X windows.
2619              Otherwise, Emacs expects to use version 10.])
2620 fi
2621 if test "${HAVE_XFREE386}" = "yes" ; then
2622   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2623 fi
2624 if test "${HAVE_MENUS}" = "yes" ; then
2625   AC_DEFINE(HAVE_MENUS, 1,
2626             [Define to 1 if you have mouse menus.
2627              (This is automatic if you use X, but the option to specify it remains.)
2628              It is also defined with other window systems that support xmenu.c.])
2629 fi
2630 if test "${GNU_MALLOC}" = "yes" ; then
2631   AC_DEFINE(GNU_MALLOC, 1,
2632             [Define to 1 if you want to use the GNU memory allocator.])
2633 fi
2634 if test "${REL_ALLOC}" = "yes" ; then
2635   AC_DEFINE(REL_ALLOC, 1,
2636             [Define REL_ALLOC if you want to use the relocating allocator for
2637              buffer space.])
2638 fi
2639
2640
2641 AH_TOP([/* GNU Emacs site configuration template file.
2642    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2001, 2002, 2004, 2005,
2643      2006, 2007, 2008  Free Software Foundation, Inc.
2644
2645 This file is part of GNU Emacs.
2646
2647 GNU Emacs is free software; you can redistribute it and/or modify
2648 it under the terms of the GNU General Public License as published by
2649 the Free Software Foundation; either version 3, or (at your option)
2650 any later version.
2651
2652 GNU Emacs is distributed in the hope that it will be useful,
2653 but WITHOUT ANY WARRANTY; without even the implied warranty of
2654 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2655 GNU General Public License for more details.
2656
2657 You should have received a copy of the GNU General Public License
2658 along with GNU Emacs; see the file COPYING.  If not, write to the
2659 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2660 Boston, MA 02110-1301, USA.  */
2661
2662
2663 /* No code in Emacs #includes config.h twice, but some bits of code
2664    intended to work with other packages as well (like gmalloc.c)
2665    think they can include it as many times as they like.  */
2666 #ifndef EMACS_CONFIG_H
2667 #define EMACS_CONFIG_H
2668 ])dnl
2669
2670 AH_BOTTOM([
2671 /* If we're using any sort of window system, define some consequences.  */
2672 #ifdef HAVE_X_WINDOWS
2673 #define HAVE_WINDOW_SYSTEM
2674 #define MULTI_KBOARD
2675 #define HAVE_MOUSE
2676 #endif
2677
2678 /* Multi-tty support relies on MULTI_KBOARD.  It seems safe to turn it
2679    on unconditionally. */
2680 #ifndef MULTI_KBOARD
2681 #define MULTI_KBOARD
2682 #endif
2683
2684 /* If we're using the Carbon API on Mac OS X, define a few more
2685    variables as well.  */
2686 #ifdef HAVE_CARBON
2687 #define HAVE_WINDOW_SYSTEM
2688 #define HAVE_MOUSE
2689 #endif
2690
2691 /* Define USER_FULL_NAME to return a string
2692    that is the user's full name.
2693    It can assume that the variable `pw'
2694    points to the password file entry for this user.
2695
2696    At some sites, the pw_gecos field contains
2697    the user's full name.  If neither this nor any other
2698    field contains the right thing, use pw_name,
2699    giving the user's login name, since that is better than nothing.  */
2700 #define USER_FULL_NAME pw->pw_gecos
2701
2702 /* Define AMPERSAND_FULL_NAME if you use the convention
2703    that & in the full name stands for the login id.  */
2704 /* Turned on June 1996 supposing nobody will mind it.  */
2705 #define AMPERSAND_FULL_NAME
2706
2707 /* We have blockinput.h.  */
2708 #define DO_BLOCK_INPUT
2709
2710 /* Define HAVE_SOUND if we have sound support.  We know it works
2711    and compiles only on the specified platforms.   For others,
2712    it probably doesn't make sense to try.  */
2713
2714 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2715 #ifdef HAVE_MACHINE_SOUNDCARD_H
2716 #define HAVE_SOUND 1
2717 #endif
2718 #ifdef HAVE_SYS_SOUNDCARD_H
2719 #define HAVE_SOUND 1
2720 #endif
2721 #ifdef HAVE_SOUNDCARD_H
2722 #define HAVE_SOUND 1
2723 #endif
2724 #ifdef HAVE_ALSA
2725 #define HAVE_SOUND 1
2726 #endif
2727 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
2728
2729 /* If using GNU, then support inline function declarations. */
2730 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2731    generally, because even if non-gcc compilers accept `inline', they
2732    may reject `extern inline'.  */
2733 #if defined (__GNUC__) && defined (OPTIMIZE)
2734 #define INLINE __inline__
2735 #else
2736 #define INLINE
2737 #endif
2738
2739 /* Include the os and machine dependent files.  */
2740 #include config_opsysfile
2741 #include config_machfile
2742
2743 /* Load in the conversion definitions if this system
2744    needs them and the source file being compiled has not
2745    said to inhibit this.  There should be no need for you
2746    to alter these lines.  */
2747
2748 #ifdef SHORTNAMES
2749 #ifndef NO_SHORTNAMES
2750 #include "../shortnames/remap.h"
2751 #endif /* not NO_SHORTNAMES */
2752 #endif /* SHORTNAMES */
2753
2754 /* If no remapping takes place, static variables cannot be dumped as
2755    pure, so don't worry about the `static' keyword. */
2756 #ifdef NO_REMAP
2757 #undef static
2758 #endif
2759
2760 /* Define `subprocesses' should be defined if you want to
2761    have code for asynchronous subprocesses
2762    (as used in M-x compile and M-x shell).
2763    These do not work for some USG systems yet;
2764    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
2765
2766 #ifndef VMS
2767 #ifndef USG
2768 /* #define subprocesses */
2769 #endif
2770 #endif
2771
2772 /* SIGTYPE is the macro we actually use.  */
2773 #ifndef SIGTYPE
2774 #define SIGTYPE RETSIGTYPE
2775 #endif
2776
2777 #ifdef emacs /* Don't do this for lib-src.  */
2778 /* Tell regex.c to use a type compatible with Emacs.  */
2779 #define RE_TRANSLATE_TYPE Lisp_Object
2780 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2781 #ifdef make_number
2782 /* If make_number is a macro, use it.  */
2783 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2784 #else
2785 /* If make_number is a function, avoid it.  */
2786 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
2787 #endif
2788 #endif
2789
2790 /* Avoid link-time collision with system mktime if we will use our own.  */
2791 #if ! HAVE_MKTIME || BROKEN_MKTIME
2792 #define mktime emacs_mktime
2793 #endif
2794
2795 #define my_strftime nstrftime   /* for strftime.c */
2796
2797 /* The rest of the code currently tests the CPP symbol BSTRING.
2798    Override any claims made by the system-description files.
2799    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
2800 #undef BSTRING
2801 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
2802 #define BSTRING
2803 #endif
2804
2805 /* Some of the files of Emacs which are intended for use with other
2806    programs assume that if you have a config.h file, you must declare
2807    the type of getenv.
2808
2809    This declaration shouldn't appear when alloca.s or Makefile.in
2810    includes config.h.  */
2811 #ifndef NOT_C_CODE
2812 extern char *getenv ();
2813 #endif
2814
2815 /* These default definitions are good for almost all machines.
2816    The exceptions override them in m/MACHINE.h.  */
2817
2818 #ifndef BITS_PER_CHAR
2819 #define BITS_PER_CHAR 8
2820 #endif
2821
2822 #ifndef BITS_PER_SHORT
2823 #define BITS_PER_SHORT 16
2824 #endif
2825
2826 /* Note that lisp.h uses this in a preprocessor conditional, so it
2827    would not work to use sizeof.  That being so, we do all of them
2828    without sizeof, for uniformity's sake.  */
2829 #ifndef BITS_PER_INT
2830 #define BITS_PER_INT 32
2831 #endif
2832
2833 #ifndef BITS_PER_LONG
2834 #ifdef _LP64
2835 #define BITS_PER_LONG 64
2836 #else
2837 #define BITS_PER_LONG 32
2838 #endif
2839 #endif
2840
2841 /* Define if the compiler supports function prototypes.  It may do so
2842    but not define __STDC__ (e.g. DEC C by default) or may define it as
2843    zero.  */
2844 #undef PROTOTYPES
2845 /* For mktime.c:  */
2846 #ifndef __P
2847 # if defined PROTOTYPES
2848 #  define __P(args) args
2849 # else
2850 #  define __P(args) ()
2851 # endif  /* GCC.  */
2852 #endif /* __P */
2853
2854 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
2855 #ifndef NOT_C_CODE
2856 #ifdef HAVE_STRING_H
2857 #include "string.h"
2858 #endif
2859 #ifdef HAVE_STRINGS_H
2860 #include "strings.h"  /* May be needed for bcopy & al. */
2861 #endif
2862 #ifdef HAVE_STDLIB_H
2863 #include <stdlib.h>
2864 #endif
2865 #ifndef __GNUC__
2866 # ifdef HAVE_ALLOCA_H
2867 #  include <alloca.h>
2868 # else /* AIX files deal with #pragma.  */
2869 #  ifndef alloca /* predefined by HP cc +Olibcalls */
2870 char *alloca ();
2871 #  endif
2872 # endif /* HAVE_ALLOCA_H */
2873 #endif /* __GNUC__ */
2874 #ifndef HAVE_SIZE_T
2875 typedef unsigned size_t;
2876 #endif
2877 #endif /* NOT_C_CODE */
2878
2879 /* Define HAVE_X_I18N if we have usable i18n support.  */
2880
2881 #ifdef HAVE_X11R6
2882 #define HAVE_X_I18N
2883 #elif !defined X11R5_INHIBIT_I18N
2884 #define HAVE_X_I18N
2885 #endif
2886
2887 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
2888
2889 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
2890 #define HAVE_X11R6_XIM
2891 #endif
2892
2893 /* Should we enable expensive run-time checking of data types?  */
2894 #undef ENABLE_CHECKING
2895
2896 #if defined __GNUC__ && (__GNUC__ > 2 \
2897                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
2898 #define NO_RETURN       __attribute__ ((__noreturn__))
2899 #else
2900 #define NO_RETURN       /* nothing */
2901 #endif
2902
2903 /* These won't be used automatically yet.  We also need to know, at least,
2904    that the stack is continuous.  */
2905 #ifdef __GNUC__
2906 #  ifndef GC_SETJMP_WORKS
2907   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
2908      see NON_SAVING_SETJMP in the target descriptions.  */
2909   /* Exceptions (see NON_SAVING_SETJMP in target description) are
2910      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
2911      Fixme: Deal with SVR3.  */
2912 #    define GC_SETJMP_WORKS 1
2913 #  endif
2914 #  ifndef GC_LISP_OBJECT_ALIGNMENT
2915 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
2916 #  endif
2917 #endif
2918
2919 #ifndef HAVE_BCOPY
2920 #define bcopy(a,b,s) memcpy (b,a,s)
2921 #endif
2922 #ifndef HAVE_BZERO
2923 #define bzero(a,s) memset (a,0,s)
2924 #endif
2925 #ifndef HAVE_BCMP
2926 #define BCMP memcmp
2927 #endif
2928
2929 #endif /* EMACS_CONFIG_H */
2930
2931 /*
2932 Local Variables:
2933 mode: c
2934 End:
2935 */
2936 ])dnl
2937
2938 #### Report on what we decided to do.
2939 #### Report GTK as a toolkit, even if it doesn't use Xt.
2940 #### It makes printing result more understandable as using GTK sets
2941 #### toolkit_scroll_bars to yes by default.
2942 if test "${HAVE_GTK}" = "yes"; then
2943   USE_X_TOOLKIT=GTK
2944 fi
2945
2946 echo "
2947 Configured for \`${canonical}'.
2948
2949   Where should the build process find the source code?    ${srcdir}
2950   What operating system and machine description files should Emacs use?
2951         \`${opsysfile}' and \`${machfile}'
2952   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2953   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2954   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
2955   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
2956   What window system should Emacs use?                    ${window_system}
2957   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2958
2959 if test -n "${x_includes}"; then
2960 echo "  Where do we find X Windows header files?                ${x_includes}"
2961 else
2962 echo "  Where do we find X Windows header files?                Standard dirs"
2963 fi
2964 if test -n "${x_libraries}"; then
2965 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2966 else
2967 echo "  Where do we find X Windows libraries?                   Standard dirs"
2968 fi
2969
2970 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2971 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2972 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2973 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2974 echo "  Does Emacs use a gif library?                           ${HAVE_GIF} $ac_gif_lib_name"
2975 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2976 echo "  Does Emacs use -lrsvg-2?                                ${HAVE_RSVG}"
2977 echo "  Does Emacs use -lgpm?                                   ${HAVE_GPM}"
2978 echo "  Does Emacs use -ldbus?                                  ${HAVE_DBUS}"
2979 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2980 echo
2981
2982 if test $USE_XASSERTS = yes; then
2983    echo "  Compiling with asserts turned on."
2984    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
2985    echo
2986 fi
2987
2988 if test "$USE_X_TOOLKIT" = GTK; then
2989   case "$canonical" in
2990   *cygwin*)
2991     echo "There are known problems with Emacs and Gtk+ on cygwin, so you
2992   will probably get a crash on startup.  If this happens, please use another
2993   toolkit for Emacs.  See etc/PROBLEMS for more information."
2994   ;;
2995   esac
2996 fi
2997
2998
2999 if test "$HAVE_CARBON" = "yes"; then
3000    echo
3001    echo "Warning: The Mac Carbon port is currently unsupported and has
3002 known problems.  It is not recommended for use by non-developers.
3003 Read the emacs-devel archives for more information."
3004    echo
3005 fi
3006
3007 if test "$HAVE_DBUS" = yes && test "${opsys}" != "gnu-linux"; then
3008   echo "D-Bus integration has been tested for GNU/Linux only."
3009   echo
3010 fi
3011
3012
3013 # Remove any trailing slashes in these variables.
3014 [test "${prefix}" != NONE &&
3015   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3016 test "${exec_prefix}" != NONE &&
3017   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3018
3019 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3020 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3021 ## from Makefile.c can correctly provide the arg `-traditional' to the
3022 ## C preprocessor.
3023
3024 AC_EGREP_CPP(yes..yes,
3025         [yes..yes],
3026         CPP_NEED_TRADITIONAL=no,
3027         CPP_NEED_TRADITIONAL=yes)
3028
3029 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3030         doc/emacs/Makefile doc/misc/Makefile doc/lispintro/Makefile \
3031         doc/lispref/Makefile src/Makefile.c:src/Makefile.in \
3032         lwlib/Makefile lisp/Makefile leim/Makefile, [
3033
3034 ### Make the necessary directories, if they don't exist.
3035 for dir in etc lisp ; do
3036   test -d ${dir} || mkdir ${dir}
3037 done
3038
3039 # Build src/Makefile from ${srcdir}/src/Makefile.c
3040 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3041 # This must be done after src/config.h is built, since we rely on that file.
3042
3043 # Now get this: Some word that is part of the ${srcdir} directory name
3044 # or the ${configuration} value might, just might, happen to be an
3045 # identifier like `sun4' or `i386' or something, and be predefined by
3046 # the C preprocessor to some helpful value like 1, or maybe the empty
3047 # string.  Needless to say consequent macro substitutions are less
3048 # than conducive to the makefile finding the correct directory.
3049 [undefs="`echo $top_srcdir $configuration $canonical |
3050 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3051     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3052 `"]
3053
3054 echo creating src/epaths.h
3055 ${MAKE-make} epaths-force
3056
3057 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3058 # `..' to `. .'  unless invoked with -traditional
3059
3060 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3061   CPPFLAGS="$CPPFLAGS -traditional"
3062 fi
3063
3064 echo creating lib-src/Makefile
3065 ( cd lib-src
3066   rm -f junk.c junk1.c junk2.c
3067   sed -e '/start of cpp stuff/q' \
3068       < Makefile.c > junk1.c
3069   sed -e '1,/start of cpp stuff/d'\
3070       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3071       < Makefile.c > junk.c
3072   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3073       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3074   cat junk1.c junk2.c > Makefile.new
3075   rm -f junk.c junk1.c junk2.c
3076   chmod 444 Makefile.new
3077   mv -f Makefile.new Makefile
3078 )
3079
3080 echo creating src/Makefile
3081 ( cd src
3082   rm -f junk.c junk1.c junk2.c
3083   sed -e '/start of cpp stuff/q' \
3084       < Makefile.c > junk1.c
3085   sed -e '1,/start of cpp stuff/d'\
3086       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3087       < Makefile.c > junk.c
3088   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3089       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3090   cat junk1.c junk2.c > Makefile.new
3091   rm -f junk.c junk1.c junk2.c
3092   chmod 444 Makefile.new
3093   mv -f Makefile.new Makefile
3094 )
3095
3096 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3097   echo creating src/.gdbinit
3098   echo source $srcdir/src/.gdbinit > src/.gdbinit
3099 fi
3100
3101 # This is how we know whether to re-run configure in certain cases.
3102 touch src/config.stamp
3103
3104 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3105
3106 m4_if(dnl       Do not change this comment
3107    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3108 )dnl