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, 2004, 2005, 2006
   7 dnl  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 2, 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(2.54)dnl
  27 AC_INIT(src/lisp.h)
  28 AC_CONFIG_HEADER(src/config.h:src/config.in)
  29
  30 dnl Support for --program-prefix, --program-suffix and
  31 dnl --program-transform-name options
  32 AC_ARG_PROGRAM
  33
  34 lispdir='${datadir}/emacs/${version}/lisp'
  35 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  36 '${datadir}/emacs/site-lisp'
  37 lisppath='${locallisppath}:${lispdir}:${datadir}/emacs/${version}/leim'
  38 etcdir='${datadir}/emacs/${version}/etc'
  39 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  40 docdir='${datadir}/emacs/${version}/etc'
  41 gamedir='${localstatedir}/games/emacs'
  42
  43 gameuser=games
  44
  45 AC_ARG_WITH(gcc,
  46 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  47 AC_ARG_WITH(pop,
  48 [  --without-pop           don't support POP mail retrieval with movemail],
  49 [if test "$withval" = yes; then
  50    AC_DEFINE(MAIL_USE_POP)
  51 else :
  52 fi],
  53 AC_DEFINE(MAIL_USE_POP))
  54 AH_TEMPLATE(MAIL_USE_POP, [Define to support POP mail retrieval.])dnl
  55 AC_ARG_WITH(kerberos,
  56 [  --with-kerberos         support Kerberos-authenticated POP],
  57 [AC_DEFINE(KERBEROS)])
  58 AH_TEMPLATE(KERBEROS,
  59             [Define to support Kerberos-authenticated POP mail retrieval.])dnl
  60 AC_ARG_WITH(kerberos5,
  61 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  62 [if test "${with_kerberos5+set}" = set; then
  63   if test "${with_kerberos+set}" != set; then
  64     with_kerberos=yes
  65     AC_DEFINE(KERBEROS)
  66   fi
  67 fi
  68 AC_DEFINE(KERBEROS5, 1, [Define to use Kerberos 5 instead of Kerberos 4.])])
  69 AC_ARG_WITH(hesiod,
  70 [  --with-hesiod           support Hesiod to get the POP server host],
  71 [AC_DEFINE(HESIOD, 1, [Define to support using a Hesiod database to find the POP server.])])
  72
  73 AC_ARG_WITH(sound,
  74 [  --without-sound         don't compile with sound support])
  75
  76 dnl This should be the last --with option, because --with-x is
  77 dnl added later on when we find the path of X, and it's best to
  78 dnl keep them together visually.
  79 AC_ARG_WITH(x-toolkit,
  80 [  --with-x-toolkit=KIT    use an X toolkit
  81                               (KIT = yes/lucid/athena/motif/gtk/no)],
  82 [         case "${withval}" in
  83             y | ye | yes )      val=athena ;;
  84             n | no )            val=no  ;;
  85             l | lu | luc | luci | lucid )       val=lucid ;;
  86             a | at | ath | athe | athen | athena )      val=athena ;;
  87             m | mo | mot | moti | motif )       val=motif ;;
  88             g | gt | gtk  )     val=gtk ;;
  89 dnl These don't currently work.
  90 dnl         o | op | ope | open | open- | open-l | open-lo \
  91 dnl             | open-loo | open-look )        val=open-look ;;
  92             * )
  93 dnl AC_MSG_ERROR([the `--with-x-toolkit' option is supposed to have a value
  94 dnl which is `yes', `no', `lucid', `athena', `motif' or `open-look'.])
  95 AC_MSG_ERROR([`--with-x-toolkit=$withval' is invalid\;
  96 this option's value should be `yes', `no', `lucid', `athena', `motif' or `gtk'.
  97 Currently, `yes', `athena' and `lucid' are synonyms.])
  98             ;;
  99           esac
 100           with_x_toolkit=$val
 101 ])
 102 AC_ARG_WITH(xpm,
 103 [  --with-xpm              use -lXpm for displaying XPM images])
 104 AC_ARG_WITH(jpeg,
 105 [  --with-jpeg             use -ljpeg for displaying JPEG images])
 106 AC_ARG_WITH(tiff,
 107 [  --with-tiff             use -ltiff for displaying TIFF images])
 108 AC_ARG_WITH(gif,
 109 [  --with-gif              use -lungif for displaying GIF images])
 110 AC_ARG_WITH(png,
 111 [  --with-png              use -lpng for displaying PNG images])
 112 AC_ARG_WITH(gtk,
 113 [  --with-gtk              use GTK (same as --with-x-toolkit=gtk)])
 114 AC_ARG_WITH(pkg-config-prog,
 115 [  --with-pkg-config-prog  Path to pkg-config to use for finding GTK])
 116 AC_ARG_WITH(toolkit-scroll-bars,
 117 [  --without-toolkit-scroll-bars
 118                           don't use Motif or Xaw3d scroll bars])
 119 AC_ARG_WITH(xim,
 120 [  --without-xim           don't use X11 XIM])
 121 AC_ARG_WITH(carbon,
 122 [  --without-carbon        don't use Carbon GUI on Mac OS X])
 123 AC_ARG_ENABLE(carbon-app,
 124 [[  --enable-carbon-app[=DIR]  [DIR=/Application]
 125                           specify install directory for Emacs.app on Mac OS X]],
 126 [ carbon_appdir_x=${enableval}])
 127
 128 AC_ARG_ENABLE(asserts,
 129 [  --enable-asserts        compile code with asserts enabled],
 130       USE_XASSERTS=$enableval,
 131       USE_XASSERTS=no)
 132
 133 AC_ARG_ENABLE(maintainer-mode,
 134 [  --enable-maintainer-mode enable make rules and dependencies not useful
 135                           (and sometimes confusing) to the casual installer],
 136       USE_MAINTAINER_MODE=$enableval,
 137       USE_MAINTAINER_MODE=no)
 138 if test $USE_MAINTAINER_MODE = yes; then
 139   MAINT=
 140 else
 141   MAINT=#
 142 fi
 143 AC_SUBST(MAINT)
 144
 145 AC_ARG_ENABLE(locallisppath,
 146 [  --enable-locallisppath=PATH
 147                           directories Emacs should search for lisp files
 148                           specific to this site],
 149 if test "${enableval}" = "no"; then
 150   locallisppath=
 151 elif test "${enableval}" != "yes"; then
 152   locallisppath=${enableval}
 153 fi)
 154
 155 #### Make srcdir absolute, if it isn't already.  It's important to
 156 #### avoid running the path through pwd unnecessarily, since pwd can
 157 #### give you automounter prefixes, which can go away.  We do all this
 158 #### so Emacs can find its files when run uninstalled.
 159 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 160 unset CDPATH
 161 case "${srcdir}" in
 162   /* ) ;;
 163   . )
 164     ## We may be able to use the $PWD environment variable to make this
 165     ## absolute.  But sometimes PWD is inaccurate.
 166     ## Note: we used to use ${PWD} at the end instead of `pwd`,
 167     ## but that tested only for a well-formed and valid PWD,
 168     ## it did not object when PWD was well-formed and valid but just wrong.
 169     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".`pwd`"  ;
 170     then
 171       srcdir="$PWD"
 172     else
 173       srcdir="`(cd ${srcdir}; pwd)`"
 174     fi
 175   ;;
 176   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 177 esac
 178
 179 #### Check if the source directory already has a configured system in it.
 180 if test `pwd` != `(cd ${srcdir} && pwd)` \
 181    && test -f "${srcdir}/src/config.h" ; then
 182   AC_MSG_WARN([[The directory tree `${srcdir}' is being used
 183    as a build directory right now; it has been configured in its own
 184    right.  To configure in another directory as well, you MUST
 185    use GNU make.  If you do not have GNU make, then you must
 186    now do `make distclean' in ${srcdir},
 187    and then run $0 again.]])
 188 fi
 189
 190 #### Given the configuration name, set machfile and opsysfile to the
 191 #### names of the m/*.h and s/*.h files we should use.
 192
 193 ### Canonicalize the configuration name.
 194
 195 AC_CANONICAL_HOST
 196 canonical=$host
 197 configuration=${host_alias-$host}
 198
 199 dnl This used to use changequote, but, apart from `changequote is evil'
 200 dnl per the autoconf manual, we can speed up autoconf somewhat by quoting
 201 dnl the great gob of text.  Thus it's not processed for possible expansion.
 202 dnl Just make sure the brackets remain balanced.
 203 dnl
 204 dnl Since Emacs can't find matching pairs of quotes, boundaries are
 205 dnl indicated by comments.
 206 dnl quotation begins
 207 [
 208
 209 ### If you add support for a new configuration, add code to this
 210 ### switch statement to recognize your configuration name and select
 211 ### the appropriate operating system and machine description files.
 212
 213 ### You would hope that you could choose an m/*.h file pretty much
 214 ### based on the machine portion of the configuration name, and an s-
 215 ### file based on the operating system portion.  However, it turns out
 216 ### that each m/*.h file is pretty manufacturer-specific - for
 217 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 218 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 219 ### machines.  So we basically have to have a special case for each
 220 ### configuration name.
 221 ###
 222 ### As far as handling version numbers on operating systems is
 223 ### concerned, make sure things will fail in a fixable way.  If
 224 ### /etc/MACHINES doesn't say anything about version numbers, be
 225 ### prepared to handle anything reasonably.  If version numbers
 226 ### matter, be sure /etc/MACHINES says something about it.
 227 ###
 228 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 229 ### "System V Release 4"; he writes, "The old convention encouraged
 230 ### confusion between `system' and `release' levels'."
 231
 232 machine='' opsys='' unported=no
 233 case "${canonical}" in
 234
 235   ## FreeBSD ports
 236   *-*-freebsd* )
 237     opsys=freebsd
 238     case "${canonical}" in
 239       alpha*-*-freebsd*)        machine=alpha ;;
 240       i[3456]86-*-freebsd*)     machine=intel386 ;;
 241       amd64-*-freebsd*|x86_64-*-freebsd*) machine=amdx86-64 ;;
 242     esac
 243   ;;
 244
 245   ## NetBSD ports
 246   *-*-netbsd* )
 247     opsys=netbsd
 248     if test -f /usr/lib/crti.o; then]
 249 dnl The close and open brackets here are because this section is quoted --
 250 dnl see the `changequote' comment above.
 251       AC_DEFINE(HAVE_CRTIN, [], [Define to 1 if you have /usr/lib/crti.o.])
 252 [   fi
 253
 254     case "${canonical}" in
 255       alpha*-*-netbsd*) machine=alpha ;;
 256       i[3456]86-*-netbsd*) machine=intel386 ;;
 257       m68k-*-netbsd*)
 258                         # This is somewhat bogus.
 259                         machine=hp9000s300 ;;
 260       powerpc-apple-netbsd*) machine=macppc ;;
 261       mips-*-netbsd*)   machine=pmax ;;
 262       mipsel-*-netbsd*) machine=pmax ;;
 263       mipseb-*-netbsd*) machine=pmax ;;
 264       ns32k-*-netbsd*)  machine=ns32000 ;;
 265       powerpc-*-netbsd*) machine=macppc ;;
 266       sparc*-*-netbsd*) machine=sparc ;;
 267       vax-*-netbsd*)    machine=vax ;;
 268       arm-*-netbsd*)    machine=arm ;;
 269     esac
 270   ;;
 271
 272   ## OpenBSD ports
 273   *-*-openbsd* )
 274     opsys=openbsd
 275     case "${canonical}" in
 276       alpha*-*-openbsd*)        machine=alpha ;;
 277       i386-*-openbsd*)  machine=intel386 ;;
 278       m68k-*-openbsd*)  machine=hp9000s300 ;;
 279       mipsel-*-openbsd*) machine=pmax ;;
 280       ns32k-*-openbsd*) machine=ns32000 ;;
 281       sparc-*-openbsd*) machine=sparc ;;
 282       vax-*-openbsd*)   machine=vax ;;
 283     esac
 284   ;;
 285
 286   ## LynxOS ports
 287   *-*-lynxos* )
 288     opsys=lynxos
 289     case "${canonical}" in
 290       i[3456]86-*-lynxos*) machine=intel386 ;;
 291       powerpc-*-lynxos*) machine=powerpc ;;
 292     esac
 293   ;;
 294
 295   ## Acorn RISCiX:
 296   arm-acorn-riscix1.1* )
 297     machine=acorn opsys=riscix1-1
 298   ;;
 299   arm-acorn-riscix1.2* | arm-acorn-riscix )
 300     ## This name is riscix12 instead of riscix1.2
 301     ## to avoid a file name conflict on MSDOS.
 302     machine=acorn opsys=riscix12
 303   ;;
 304
 305   ## BSDI ports
 306   *-*-bsdi* )
 307     opsys=bsdi
 308     case "${canonical}" in
 309       i[345]86-*-bsdi*) machine=intel386 ;;
 310       sparc-*-bsdi*)  machine=sparc ;;
 311       powerpc-*-bsdi*)  machine=macppc ;;
 312     esac
 313     case "${canonical}" in
 314       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 315       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 316       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 317       *-*-bsdi3* )              opsys=bsdos3 ;;
 318       *-*-bsdi[45]* )           opsys=bsdos4 ;;
 319     esac
 320   ;;
 321
 322   ## Alliant machines
 323   ## Strictly speaking, we need the version of the alliant operating
 324   ## system to choose the right machine file, but currently the
 325   ## configuration name doesn't tell us enough to choose the right
 326   ## one; we need to give alliants their own operating system name to
 327   ## do this right.  When someone cares, they can help us.
 328   fx80-alliant-* )
 329     machine=alliant4 opsys=bsd4-2
 330   ;;
 331   i860-alliant-* )
 332     machine=alliant-2800 opsys=bsd4-3
 333   ;;
 334
 335   ## Alpha (DEC) machines.
 336   alpha*-dec-osf* )
 337     machine=alpha opsys=osf1
 338     # This is needed to find X11R6.1 libraries for certain tests.
 339     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 340     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 341     # NON_GNU_CPP is necessary on 5.0 to avoid mangling src/Makefile
 342     # due to non-traditional preprocessing with the current compiler
 343     # defaults.  OSF 4 can also have that compiler version, and there
 344     # seems always to have been a usable /usr/bin/cpp.
 345     NON_GNU_CPP=/usr/bin/cpp
 346     case "${canonical}" in
 347     alpha*-dec-osf[5-9]*)
 348       opsys=osf5-0 ;;
 349     esac
 350   ;;
 351
 352   alpha*-*-linux-gnu* )
 353     machine=alpha opsys=gnu-linux
 354   ;;
 355
 356   arm*-*-linux-gnu* )
 357     machine=arm opsys=gnu-linux
 358   ;;
 359
 360   ## Altos 3068
 361   m68*-altos-sysv* )
 362     machine=altos opsys=usg5-2
 363   ;;
 364
 365   ## Amdahl UTS
 366   580-amdahl-sysv* )
 367     machine=amdahl opsys=usg5-2-2
 368   ;;
 369
 370   ## Apollo, Domain/OS
 371   m68*-apollo-* )
 372     machine=apollo opsys=bsd4-3
 373   ;;
 374
 375   ## AT&T 3b2, 3b5, 3b15, 3b20
 376   we32k-att-sysv* )
 377     machine=att3b opsys=usg5-2-2
 378   ;;
 379
 380   ## AT&T 3b1 - The Mighty Unix PC!
 381   m68*-att-sysv* )
 382     machine=7300 opsys=usg5-2-2
 383   ;;
 384
 385   ## Bull dpx20
 386   rs6000-bull-bosx* )
 387     machine=ibmrs6000 opsys=aix3-2
 388   ;;
 389
 390   ## Bull dpx2
 391   m68*-bull-sysv3* )
 392     machine=dpx2 opsys=usg5-3
 393   ;;
 394
 395   ## Bull sps7
 396   m68*-bull-sysv2* )
 397     machine=sps7 opsys=usg5-2
 398   ;;
 399
 400   ## CCI 5/32, 6/32 -- see "Tahoe".
 401
 402   ## Celerity
 403   ## I don't know what configuration name to use for this; config.sub
 404   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 405   ## in touch with us!
 406   celerity-celerity-bsd* )
 407     machine=celerity opsys=bsd4-2
 408   ;;
 409
 410   ## Clipper
 411   ## What operating systems does this chip run that Emacs has been
 412   ## tested on?
 413   clipper-* )
 414     machine=clipper
 415     ## We'll use the catch-all code at the bottom to guess the
 416     ## operating system.
 417   ;;
 418
 419   ## Compaq Nonstop
 420   mips-compaq-nonstopux* )
 421     machine=nonstopux opsys=nonstopux
 422     ;;
 423
 424   ## Convex
 425   *-convex-bsd* | *-convex-convexos* )
 426     machine=convex opsys=bsd4-3
 427     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 428     NON_GNU_CPP="cc -E -P"
 429   ;;
 430
 431   ## Cubix QBx/386
 432   i[3456]86-cubix-sysv* )
 433     machine=intel386 opsys=usg5-3
 434   ;;
 435
 436   ## Cydra 5
 437   cydra*-cydrome-sysv* )
 438     machine=cydra5 opsys=usg5-3
 439   ;;
 440
 441   ## Data General AViiON Machines
 442   ## DG changed naming conventions with the release of 5.4.4.10, they
 443   ## dropped the initial 5.4 but left the intervening R.  Because of the
 444   ## R this shouldn't conflict with older versions of the OS (which I
 445   ## think were named like dgux4.*). In addition, DG new AViiONs series
 446   ## uses either Motorola M88k or Intel Pentium CPUs.
 447   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 448     machine=aviion opsys=dgux4
 449   ;;
 450   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 451     ## This name is dgux5-4-3 instead of dgux5-4r3
 452     ## to avoid a file name conflict on MSDOS.
 453     machine=aviion opsys=dgux5-4-3
 454   ;;
 455   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 456     machine=aviion opsys=dgux5-4r2
 457   ;;
 458   m88k-dg-dgux* )
 459     machine=aviion opsys=dgux
 460   ;;
 461
 462   ## Data General AViiON Intel (x86) Machines
 463   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 464   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 465   i[345]86-dg-dguxR4* )
 466     machine=aviion-intel opsys=dgux4
 467   ;;
 468
 469   ## DECstations
 470   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 471     machine=pmax opsys=bsd4-2
 472   ;;
 473   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 474     machine=pmax opsys=bsd4-3
 475   ;;
 476   mips-dec-ultrix* )
 477     machine=pmax opsys=ultrix4-3
 478   ;;
 479   mips-dec-osf* )
 480     machine=pmax opsys=osf1
 481   ;;
 482   mips-dec-mach_bsd4.3* )
 483     machine=pmax opsys=mach-bsd4-3
 484   ;;
 485
 486   ## Motorola Delta machines
 487   m68k-motorola-sysv* | m68000-motorola-sysv* )
 488     machine=delta opsys=usg5-3
 489     if test -z "`type gnucc | grep 'not found'`"
 490     then
 491       if test -s /etc/167config
 492       then CC="gnucc -m68040"
 493       else CC="gnucc -m68881"
 494       fi
 495     else
 496       if test -z "`type gcc | grep 'not found'`"
 497       then CC=gcc
 498       else CC=cc
 499       fi
 500     fi
 501   ;;
 502   m88k-motorola-sysv4* )
 503     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 504     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 505     # I hope there are not other 4.0 versions for this machine
 506     # which really need usg5-4 instead.
 507     machine=delta88k opsys=usg5-4-2
 508   ;;
 509   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 510     machine=delta88k opsys=usg5-3
 511   ;;
 512
 513   ## Dual machines
 514   m68*-dual-sysv* )
 515     machine=dual opsys=usg5-2
 516   ;;
 517   m68*-dual-uniplus* )
 518     machine=dual opsys=unipl5-2
 519   ;;
 520
 521   ## Elxsi 6400
 522   elxsi-elxsi-sysv* )
 523     machine=elxsi opsys=usg5-2
 524   ;;
 525
 526   ## Encore machines
 527   ns16k-encore-bsd* )
 528     machine=ns16000 opsys=umax
 529   ;;
 530
 531   ## The GEC 63 - apparently, this port isn't really finished yet.
 532   #  I'm sure we finished off the last of the machines, though.  -- fx
 533
 534   ## Gould Power Node and NP1
 535   pn-gould-bsd4.2* )
 536     machine=gould opsys=bsd4-2
 537   ;;
 538   pn-gould-bsd4.3* )
 539     machine=gould opsys=bsd4-3
 540   ;;
 541   np1-gould-bsd* )
 542     machine=gould-np1 opsys=bsd4-3
 543   ;;
 544
 545   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 546   ## as far as Emacs is concerned).
 547   m88k-harris-cxux* )
 548     # Build needs to be different on 7.0 and later releases
 549     case "`uname -r`" in
 550        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 551        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 552     esac
 553     NON_GNU_CPP="/lib/cpp"
 554   ;;
 555   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 556   m68k-harris-cxux* )
 557     machine=nh3000 opsys=cxux
 558   ;;
 559   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 560   powerpc-harris-powerunix )
 561     machine=nh6000 opsys=powerunix
 562     NON_GNU_CPP="cc -Xo -E -P"
 563   ;;
 564   ## SR2001/SR2201 running HI-UX/MPP
 565   hppa1.1-hitachi-hiuxmpp* )
 566     machine=sr2k opsys=hiuxmpp
 567   ;;
 568   hppa1.1-hitachi-hiuxwe2* )
 569     machine=sr2k opsys=hiuxwe2
 570   ;;
 571   ## Honeywell XPS100
 572   xps*-honeywell-sysv* )
 573     machine=xps100 opsys=usg5-2
 574   ;;
 575
 576   ## HP 9000 series 200 or 300
 577   m68*-hp-bsd* )
 578     machine=hp9000s300 opsys=bsd4-3
 579   ;;
 580   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 581   m68*-hp-hpux* )
 582     case "`uname -r`" in
 583       ## Someone's system reports A.B8.05 for this.
 584       ## I wonder what other possibilities there are.
 585       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 586       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 587       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 588       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 589       *) machine=hp9000s300 opsys=hpux ;;
 590     esac
 591   ;;
 592
 593   ## HP 9000 series 700 and 800, running HP/UX
 594   hppa*-hp-hpux7* )
 595     machine=hp800 opsys=hpux
 596   ;;
 597   hppa*-hp-hpux8* )
 598     machine=hp800 opsys=hpux8
 599   ;;
 600   hppa*-hp-hpux9shr* )
 601     machine=hp800 opsys=hpux9shr
 602   ;;
 603   hppa*-hp-hpux9* )
 604     machine=hp800 opsys=hpux9
 605   ;;
 606   hppa*-hp-hpux10.2* )
 607     machine=hp800 opsys=hpux10-20
 608   ;;
 609   hppa*-hp-hpux10* )
 610     machine=hp800 opsys=hpux10
 611   ;;
 612   hppa*-hp-hpux1[1-9]* )
 613     machine=hp800 opsys=hpux11
 614     CFLAGS="-D_INCLUDE__STDC_A1_SOURCE $CFLAGS"
 615   ;;
 616
 617   hppa*-*-linux-gnu* )
 618     machine=hp800 opsys=gnu-linux
 619   ;;
 620
 621   ## HP 9000 series 700 and 800, running HP/UX
 622   hppa*-hp-hpux* )
 623     ## Cross-compilation?  Nah!
 624     case "`uname -r`" in
 625       ## Someone's system reports A.B8.05 for this.
 626       ## I wonder what other possibilities there are.
 627       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 628       *.08.* ) machine=hp800 opsys=hpux8 ;;
 629       *.09.* ) machine=hp800 opsys=hpux9 ;;
 630       *) machine=hp800 opsys=hpux10 ;;
 631     esac
 632   ;;
 633   hppa*-*-nextstep* )
 634     machine=hp800 opsys=nextstep
 635   ;;
 636
 637   ## Orion machines
 638   orion-orion-bsd* )
 639     machine=orion opsys=bsd4-2
 640   ;;
 641   clipper-orion-bsd* )
 642     machine=orion105 opsys=bsd4-2
 643   ;;
 644
 645   ## IBM machines
 646   i[3456]86-ibm-aix1.1* )
 647     machine=ibmps2-aix opsys=usg5-2-2
 648   ;;
 649   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 650     machine=ibmps2-aix opsys=usg5-3
 651   ;;
 652   i370-ibm-aix*)
 653     machine=ibm370aix opsys=usg5-3
 654   ;;
 655   s390-*-linux-gnu* )
 656     machine=ibms390 opsys=gnu-linux
 657   ;;
 658   s390x-*-linux-gnu* )
 659     machine=ibms390x opsys=gnu-linux
 660   ;;
 661   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 662     machine=ibmrs6000 opsys=aix3-1
 663   ;;
 664   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 665     machine=ibmrs6000 opsys=aix3-2-5
 666   ;;
 667   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 668     machine=ibmrs6000 opsys=aix4-1
 669   ;;
 670   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 671     machine=ibmrs6000 opsys=aix4-2
 672   ;;
 673   rs6000-ibm-aix5* | powerpc-ibm-aix5*  )
 674     machine=ibmrs6000 opsys=aix4-2
 675   ;;
 676   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 677     machine=ibmrs6000 opsys=aix4
 678   ;;
 679   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 680     machine=ibmrs6000 opsys=aix4-1
 681   ;;
 682   rs6000-ibm-aix* | powerpc-ibm-aix* )
 683     machine=ibmrs6000 opsys=aix3-2
 684   ;;
 685   romp-ibm-bsd4.3* )
 686     machine=ibmrt opsys=bsd4-3
 687   ;;
 688   romp-ibm-bsd4.2* )
 689     machine=ibmrt opsys=bsd4-2
 690   ;;
 691   romp-ibm-aos4.3* )
 692     machine=ibmrt opsys=bsd4-3
 693   ;;
 694   romp-ibm-aos4.2* )
 695     machine=ibmrt opsys=bsd4-2
 696   ;;
 697   romp-ibm-aos* )
 698     machine=ibmrt opsys=bsd4-3
 699   ;;
 700   romp-ibm-bsd* )
 701     machine=ibmrt opsys=bsd4-3
 702   ;;
 703   romp-ibm-aix* )
 704     machine=ibmrt-aix opsys=usg5-2-2
 705   ;;
 706
 707   ## Integrated Solutions `Optimum V'
 708   m68*-isi-bsd4.2* )
 709     machine=isi-ov opsys=bsd4-2
 710   ;;
 711   m68*-isi-bsd4.3* )
 712     machine=isi-ov opsys=bsd4-3
 713   ;;
 714
 715   ## Intel 386 machines where we do care about the manufacturer
 716   i[3456]86-intsys-sysv* )
 717     machine=is386 opsys=usg5-2-2
 718   ;;
 719
 720   ## Prime EXL
 721   i[3456]86-prime-sysv* )
 722     machine=i386 opsys=usg5-3
 723   ;;
 724
 725   ## Sequent Symmetry running Dynix
 726   i[3456]86-sequent-bsd* )
 727     machine=symmetry opsys=bsd4-3
 728   ;;
 729
 730   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 731   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 732     machine=sequent-ptx opsys=ptx4
 733     NON_GNU_CPP=/lib/cpp
 734   ;;
 735
 736   ## Sequent Symmetry running DYNIX/ptx
 737   ## Use the old cpp rather than the newer ANSI one.
 738   i[3456]86-sequent-ptx* )
 739     machine=sequent-ptx opsys=ptx
 740     NON_GNU_CPP="/lib/cpp"
 741   ;;
 742
 743   ## ncr machine running svr4.3.
 744   i[3456]86-ncr-sysv4.3 )
 745     machine=ncr386 opsys=usg5-4-3
 746   ;;
 747
 748   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 749   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 750   i[3456]86-ncr-sysv* )
 751     machine=ncr386 opsys=usg5-4-2
 752   ;;
 753
 754   ## Intel Paragon OSF/1
 755   i860-intel-osf1* )
 756     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 757   ;;
 758
 759   ## Intel 860
 760   i860-*-sysv4* )
 761     machine=i860 opsys=usg5-4
 762     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 763     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 764   ;;
 765
 766   ## Macintosh PowerPC
 767   powerpc*-*-linux-gnu* )
 768     machine=macppc opsys=gnu-linux
 769   ;;
 770
 771   ## Masscomp machines
 772   m68*-masscomp-rtu* )
 773     machine=masscomp opsys=rtu
 774   ;;
 775
 776   ## Megatest machines
 777   m68*-megatest-bsd* )
 778     machine=mega68 opsys=bsd4-2
 779   ;;
 780
 781   ## Workstations sold by MIPS
 782   ## This is not necessarily all workstations using the MIPS processor -
 783   ## Irises are produced by SGI, and DECstations by DEC.
 784
 785   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 786   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 787   ## it gives for choosing between the alternatives seems to be "Use
 788   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 789   ## the BSD world."  I'll assume that these are instructions for
 790   ## handling two odd situations, and that every other situation
 791   ## should use mips.h and usg5-2-2, they being listed first.
 792   mips-mips-usg* )
 793     machine=mips4
 794     ## Fall through to the general code at the bottom to decide on the OS.
 795   ;;
 796   mips-mips-riscos4* )
 797     machine=mips4 opsys=bsd4-3
 798     NON_GNU_CC="cc -systype bsd43"
 799     NON_GNU_CPP="cc -systype bsd43 -E"
 800   ;;
 801   mips-mips-riscos5* )
 802     machine=mips4 opsys=riscos5
 803     NON_GNU_CC="cc -systype bsd43"
 804     NON_GNU_CPP="cc -systype bsd43 -E"
 805   ;;
 806   mips-mips-bsd* )
 807     machine=mips opsys=bsd4-3
 808   ;;
 809   mips-mips-* )
 810     machine=mips opsys=usg5-2-2
 811   ;;
 812
 813   ## NeXT
 814   m68*-next-* | m68k-*-nextstep* )
 815     machine=m68k opsys=nextstep
 816   ;;
 817
 818   ## The complete machine from National Semiconductor
 819   ns32k-ns-genix* )
 820     machine=ns32000 opsys=usg5-2
 821   ;;
 822
 823   ## NCR machines
 824   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 825     machine=tower32 opsys=usg5-2-2
 826   ;;
 827   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 828     machine=tower32v3 opsys=usg5-3
 829   ;;
 830
 831   ## NEC EWS4800
 832   mips-nec-sysv4*)
 833   machine=ews4800 opsys=ux4800
 834   ;;
 835
 836   ## Nixdorf Targon 31
 837   m68*-nixdorf-sysv* )
 838     machine=targon31 opsys=usg5-2-2
 839   ;;
 840
 841   ## Nu (TI or LMI)
 842   m68*-nu-sysv* )
 843     machine=nu opsys=usg5-2
 844   ;;
 845
 846   ## Plexus
 847   m68*-plexus-sysv* )
 848     machine=plexus opsys=usg5-2
 849   ;;
 850
 851   ## Pyramid machines
 852   ## I don't really have any idea what sort of processor the Pyramid has,
 853   ## so I'm assuming it is its own architecture.
 854   pyramid-pyramid-bsd* )
 855     machine=pyramid opsys=bsd4-2
 856   ;;
 857
 858   ## Sequent Balance
 859   ns32k-sequent-bsd4.2* )
 860     machine=sequent opsys=bsd4-2
 861   ;;
 862   ns32k-sequent-bsd4.3* )
 863     machine=sequent opsys=bsd4-3
 864   ;;
 865
 866   ## Siemens Nixdorf
 867   mips-siemens-sysv* | mips-sni-sysv*)
 868     machine=mips-siemens opsys=usg5-4
 869     NON_GNU_CC=/usr/ccs/bin/cc
 870     NON_GNU_CPP=/usr/ccs/lib/cpp
 871   ;;
 872
 873   ## Silicon Graphics machines
 874   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 875   m68*-sgi-iris3.5* )
 876     machine=irist opsys=iris3-5
 877   ;;
 878   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 879     machine=irist opsys=iris3-6
 880   ;;
 881   ## Iris 4D
 882   mips-sgi-irix3* )
 883     machine=iris4d opsys=irix3-3
 884   ;;
 885   mips-sgi-irix4* )
 886     machine=iris4d opsys=irix4-0
 887   ;;
 888   mips-sgi-irix6.5 )
 889     machine=iris4d opsys=irix6-5
 890     # Without defining _LANGUAGE_C, things get masked out in the headers
 891     # so that, for instance, grepping for `free' in stdlib.h fails and
 892     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 893     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 894     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 895   ;;
 896   mips-sgi-irix6* )
 897     machine=iris4d opsys=irix6-0
 898     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 899     # but presumably it does no harm.
 900     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 901     # -32 probably isn't necessary in later v.6s -- anyone know which?
 902     NON_GCC_TEST_OPTIONS=-32
 903   ;;
 904   mips-sgi-irix5.[01]* )
 905     machine=iris4d opsys=irix5-0
 906   ;;
 907   mips-sgi-irix5* | mips-sgi-irix* )
 908     machine=iris4d opsys=irix5-2
 909   ;;
 910
 911   ## SONY machines
 912   m68*-sony-bsd4.2* )
 913     machine=news opsys=bsd4-2
 914   ;;
 915   m68*-sony-bsd4.3* )
 916     machine=news opsys=bsd4-3
 917   ;;
 918   m68*-sony-newsos3* | m68*-sony-news3*)
 919     machine=news opsys=bsd4-3
 920   ;;
 921   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 922     machine=news-risc opsys=bsd4-3
 923   ;;
 924   mips-sony-newsos6* )
 925     machine=news-r6 opsys=newsos6
 926   ;;
 927   mips-sony-news* )
 928     machine=news-risc opsys=newsos5
 929   ;;
 930
 931   ## Stride
 932   m68*-stride-sysv* )
 933     machine=stride opsys=usg5-2
 934   ;;
 935
 936   ## Suns
 937   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 938     machine=sparc opsys=gnu-linux
 939   ;;
 940
 941   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 942     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 943     | rs6000-*-solaris2*)
 944     case "${canonical}" in
 945       m68*-sunos1* )    machine=sun1 ;;
 946       m68*-sunos2* )    machine=sun2 ;;
 947       m68* )            machine=sun3 ;;
 948       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 949       i[3456]86-*-* )     machine=intel386 ;;
 950       powerpcle* )      machine=powerpcle ;;
 951       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 952       sparc* )          machine=sparc ;;
 953       * )               unported=yes ;;
 954     esac
 955     case "${canonical}" in
 956       ## The Sun386 didn't get past 4.0.
 957       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 958       *-sunos4.0*         ) opsys=sunos4-0 ;;
 959       *-sunos4.1.[3-9]*noshare )
 960                 ## This name is sunos413 instead of sunos4-1-3
 961                 ## to avoid a file name conflict on MSDOS.
 962                 opsys=sunos413
 963                 NON_GNU_CPP=/usr/lib/cpp
 964                 NON_GCC_TEST_OPTIONS=-Bstatic
 965                 GCC_TEST_OPTIONS=-static
 966                 ;;
 967       *-sunos4.1.[3-9]* | *-sunos4shr*)
 968                 opsys=sunos4shr
 969                 NON_GNU_CPP=/usr/lib/cpp
 970                 ;;
 971       *-sunos4* | *-sunos )
 972                 opsys=sunos4-1
 973                 NON_GCC_TEST_OPTIONS=-Bstatic
 974                 GCC_TEST_OPTIONS=-static
 975                 ;;
 976       *-sunos5.3* | *-solaris2.3* )
 977                 opsys=sol2-3
 978                 NON_GNU_CPP=/usr/ccs/lib/cpp
 979                 ;;
 980       *-sunos5.4* | *-solaris2.4* )
 981                 opsys=sol2-4
 982                 NON_GNU_CPP=/usr/ccs/lib/cpp
 983                 RANLIB="ar -ts"
 984                 ;;
 985       *-sunos5.5* | *-solaris2.5* )
 986                 opsys=sol2-5
 987                 NON_GNU_CPP=/usr/ccs/lib/cpp
 988                 RANLIB="ar -ts"
 989                 ;;
 990       *-sunos5.6* | *-solaris2.6* )
 991                 opsys=sol2-6
 992                 NON_GNU_CPP=/usr/ccs/lib/cpp
 993                 RANLIB="ar -ts"
 994                 ;;
 995       *-sunos5* | *-solaris* )
 996                 opsys=sol2-6
 997                 NON_GNU_CPP=/usr/ccs/lib/cpp
 998                 ;;
 999       *                   ) opsys=bsd4-2   ;;
1000     esac
1001     ## Watch out for a compiler that we know will not work.
1002     case "${canonical}" in
1003      *-solaris* | *-sunos5* )
1004                 if [ "x$CC" = x/usr/ucb/cc ]; then
1005                   ## /usr/ucb/cc doesn't work;
1006                   ## we should find some other compiler that does work.
1007                   unset CC
1008                 fi
1009                 ;;
1010       *) ;;
1011     esac
1012   ;;
1013   sparc-*-nextstep* )
1014     machine=sparc opsys=nextstep
1015   ;;
1016
1017   ## Tadpole 68k
1018   m68*-tadpole-sysv* )
1019     machine=tad68k opsys=usg5-3
1020   ;;
1021
1022   ## Tahoe machines
1023   tahoe-tahoe-bsd4.2* )
1024     machine=tahoe opsys=bsd4-2
1025   ;;
1026   tahoe-tahoe-bsd4.3* )
1027     machine=tahoe opsys=bsd4-3
1028   ;;
1029
1030   ## Tandem Integrity S2
1031   mips-tandem-sysv* )
1032     machine=tandem-s2 opsys=usg5-3
1033   ;;
1034
1035   ## Tektronix XD88
1036   m88k-tektronix-sysv3* )
1037   machine=tekxd88 opsys=usg5-3
1038   ;;
1039
1040   ## Tektronix 16000 box (6130?)
1041   ns16k-tektronix-bsd* )
1042     machine=ns16000 opsys=bsd4-2
1043   ;;
1044   ## Tektronix 4300
1045   ## src/m/tek4300.h hints that this is a m68k machine.
1046   m68*-tektronix-bsd* )
1047     machine=tek4300 opsys=bsd4-3
1048   ;;
1049
1050   ## Titan P2 or P3
1051   ## We seem to have lost the machine-description file titan.h!
1052   titan-titan-sysv* )
1053     machine=titan opsys=usg5-3
1054   ;;
1055
1056   ## Ustation E30 (SS5E)
1057   m68*-unisys-uniplus* )
1058     machine=ustation opsystem=unipl5-2
1059   ;;
1060
1061   ## Vaxen.
1062   vax-dec-* )
1063     machine=vax
1064     case "${canonical}" in
1065       *-bsd4.1* )                                       opsys=bsd4-1 ;;
1066       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
1067       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
1068       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
1069       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
1070       *-vms* )                                          opsys=vms ;;
1071       * )                                               unported=yes
1072     esac
1073   ;;
1074
1075   ## Whitechapel MG1
1076   ns16k-whitechapel-* )
1077     machine=mg1
1078     ## We don't know what sort of OS runs on these; we'll let the
1079     ## operating system guessing code below try.
1080   ;;
1081
1082   ## Wicat
1083   m68*-wicat-sysv* )
1084     machine=wicat opsys=usg5-2
1085   ;;
1086
1087   ## IA-64
1088   ia64*-*-linux* )
1089     machine=ia64 opsys=gnu-linux
1090   ;;
1091
1092   ## Intel 386 machines where we don't care about the manufacturer
1093   i[3456]86-*-* )
1094     machine=intel386
1095     case "${canonical}" in
1096       *-cygwin )                opsys=cygwin ;;
1097       *-darwin* )               opsys=darwin
1098                                 CPP="${CC-cc} -E -no-cpp-precomp"
1099                                 ;;
1100       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
1101       *-isc2.2* )               opsys=isc2-2 ;;
1102       *-isc4.0* )               opsys=isc4-0 ;;
1103       *-isc4.* )                opsys=isc4-1
1104                                 GCC_TEST_OPTIONS=-posix
1105                                 NON_GCC_TEST_OPTIONS=-Xp
1106                                 ;;
1107       *-isc* )                  opsys=isc3-0 ;;
1108       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1109       *-esix* )                 opsys=esix ;;
1110       *-xenix* )                opsys=xenix ;;
1111       *-linux-gnu* )            opsys=gnu-linux ;;
1112       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1113       *-sco3.2v5* )             opsys=sco5
1114                                 NON_GNU_CPP=/lib/cpp
1115                                 # Prevent -belf from being passed to $CPP.
1116                                 # /lib/cpp does not accept it.
1117                                 OVERRIDE_CPPFLAGS=" "
1118                                 ;;
1119       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1120       *-sysv5uw* )              opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1121       *-sysv5OpenUNIX* )        opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1122       *-386bsd* )               opsys=386bsd ;;
1123       *-nextstep* )             opsys=nextstep ;;
1124       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1125     esac
1126   ;;
1127
1128   ## m68k Linux-based GNU system
1129   m68k-*-linux-gnu* )
1130     machine=m68k opsys=gnu-linux
1131   ;;
1132
1133   ## Mips Linux-based GNU system
1134   mips-*-linux-gnu* | mipsel-*-linux-gnu* )
1135     machine=mips opsys=gnu-linux
1136   ;;
1137
1138   ## UXP/DS
1139   sparc-fujitsu-sysv4* )
1140     machine=sparc opsys=uxpds
1141     NON_GNU_CPP=/usr/ccs/lib/cpp
1142     RANLIB="ar -ts"
1143   ;;
1144
1145   ## UXP/V
1146   f301-fujitsu-uxpv4.1)
1147     machine=f301 opsys=uxpv
1148   ;;
1149
1150   ## Darwin / Mac OS X
1151   powerpc-apple-darwin* )
1152     machine=powermac opsys=darwin
1153     # Define CPP as follows to make autoconf work correctly.
1154     CPP="${CC-cc} -E -no-cpp-precomp"
1155     # Use fink packages if available.
1156     if test -d /sw/include && test -d /sw/lib; then
1157         GCC_TEST_OPTIONS="-I/sw/include -L/sw/lib"
1158         CPP="${CPP} ${GCC_TEST_OPTIONS}"
1159         NON_GCC_TEST_OPTIONS=${GCC_TEST_OPTIONS}
1160     fi
1161   ;;
1162
1163   ## AMD x86-64 Linux-based GNU system
1164   x86_64-*-linux-gnu* )
1165     machine=amdx86-64 opsys=gnu-linux
1166   ;;
1167
1168   * )
1169     unported=yes
1170   ;;
1171 esac
1172
1173 ### If the code above didn't choose an operating system, just choose
1174 ### an operating system based on the configuration name.  You really
1175 ### only want to use this when you have no idea what the right
1176 ### operating system is; if you know what operating systems a machine
1177 ### runs, it's cleaner to make it explicit in the case statement
1178 ### above.
1179 if test x"${opsys}" = x; then
1180   case "${canonical}" in
1181     *-gnu* )                            opsys=gnu ;;
1182     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1183     *-bsd4.2 )                          opsys=bsd4-2 ;;
1184     *-bsd4.3 )                          opsys=bsd4-3 ;;
1185     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1186     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1187     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1188     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1189     *-sysv4.2uw* )                      opsys=unixware ;;
1190     *-sysv5uw* )                        opsys=unixware ;;
1191     *-sysv5OpenUNIX* )                  opsys=unixware ;;
1192     *-sysv4.1* | *-sysvr4.1* )
1193         NON_GNU_CPP=/usr/lib/cpp
1194         opsys=usg5-4 ;;
1195     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1196         if [ x$NON_GNU_CPP = x ]; then
1197           if [ -f /usr/ccs/lib/cpp ]; then
1198             NON_GNU_CPP=/usr/ccs/lib/cpp
1199           else
1200             NON_GNU_CPP=/lib/cpp
1201           fi
1202         fi
1203         opsys=usg5-4-2 ;;
1204     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1205     * )
1206       unported=yes
1207     ;;
1208   esac
1209 fi
1210
1211 ]
1212 dnl quotation ends
1213
1214 if test $unported = yes; then
1215   AC_MSG_ERROR([Emacs hasn't been ported to `${canonical}' systems.
1216 Check `etc/MACHINES' for recognized configuration names.])
1217 fi
1218
1219 machfile="m/${machine}.h"
1220 opsysfile="s/${opsys}.h"
1221
1222
1223 #### Choose a compiler.
1224 test -n "$CC" && cc_specified=yes
1225
1226 # Save the value of CFLAGS that the user specified.
1227 SPECIFIED_CFLAGS="$CFLAGS"
1228
1229 case ${with_gcc} in
1230   "yes" ) CC="gcc" GCC=yes ;;
1231   "no"  ) : ${CC=cc} ;;
1232   * )
1233 esac
1234 AC_PROG_CC
1235
1236 # On Suns, sometimes $CPP names a directory.
1237 if test -n "$CPP" && test -d "$CPP"; then
1238   CPP=
1239 fi
1240
1241 #### Some systems specify a CPP to use unless we are using GCC.
1242 #### Now that we know whether we are using GCC, we can decide whether
1243 #### to use that one.
1244 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1245 then
1246   CPP="$NON_GNU_CPP"
1247 fi
1248
1249 #### Some systems specify a CC to use unless we are using GCC.
1250 #### Now that we know whether we are using GCC, we can decide whether
1251 #### to use that one.
1252 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1253   test x$cc_specified != xyes
1254 then
1255   CC="$NON_GNU_CC"
1256 fi
1257
1258 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1259 then
1260   CC="$CC $GCC_TEST_OPTIONS"
1261 fi
1262
1263 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1264 then
1265   CC="$CC $NON_GCC_TEST_OPTIONS"
1266 fi
1267
1268 dnl checks for Unix variants
1269 AC_AIX
1270 AC_GNU_SOURCE
1271
1272 ### Use -Wno-pointer-sign if the compiler supports it
1273 AC_MSG_CHECKING([whether gcc understands -Wno-pointer-sign])
1274 SAVE_CFLAGS="$CFLAGS"
1275 CFLAGS="$CFLAGS -Wno-pointer-sign"
1276 AC_TRY_COMPILE([], [], has_option=yes, has_option=no,)
1277 if test $has_option = yes; then
1278    C_WARNINGS_SWITCH="-Wno-pointer-sign $C_WARNINGS_SWITCH"
1279 fi
1280 AC_MSG_RESULT($has_option)
1281 CFLAGS="$SAVE_CFLAGS"
1282 unset has_option
1283 unset SAVE_CFLAGS
1284
1285 #### Some other nice autoconf tests.
1286
1287 dnl checks for programs
1288 AC_PROG_LN_S
1289 AC_PROG_CPP
1290 AC_PROG_INSTALL
1291 if test "x$RANLIB" = x; then
1292   AC_PROG_RANLIB
1293 fi
1294 AC_PATH_PROG(INSTALL_INFO, install-info)
1295 AC_PATH_PROG(INSTALL_INFO, install-info,, /usr/sbin)
1296 AC_PATH_PROG(INSTALL_INFO, install-info,:, /sbin)
1297 dnl Don't use GZIP, which is used by gzip for additional parameters.
1298 AC_PATH_PROG(GZIP_PROG, gzip)
1299
1300 dnl Add our options to ac_link now, after it is set up.
1301
1302 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1303 then
1304   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1305 fi
1306
1307 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1308 then
1309   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1310 fi
1311
1312 dnl We need -znocombreloc if we're using a relatively recent GNU ld.
1313 dnl If we can link with the flag, it shouldn't do any harm anyhow.
1314 dnl (Don't use `-z nocombreloc' as -z takes no arg on Irix.)
1315 dnl Treat GCC specially since it just gives a non-fatal `unrecognized option'
1316 dnl if not built to support GNU ld.
1317
1318 late_LDFLAGS=$LDFLAGS
1319 if test "$GCC" = yes; then
1320   LDFLAGS="$LDFLAGS -Wl,-znocombreloc"
1321 else
1322   LDFLAGS="$LDFLAGS -znocombreloc"
1323 fi
1324
1325 AC_MSG_CHECKING([for -znocombreloc])
1326 AC_LINK_IFELSE([main(){return 0;}],
1327   [AC_MSG_RESULT(yes)],
1328   LDFLAGS=$late_LDFLAGS
1329   [AC_MSG_RESULT(no)])
1330
1331 #### Extract some information from the operating system and machine files.
1332
1333 AC_CHECKING([the machine- and system-dependent files to find out
1334  - which libraries the lib-src programs will want, and
1335  - whether the GNU malloc routines are usable])
1336
1337 ### First figure out CFLAGS (which we use for running the compiler here)
1338 ### and REAL_CFLAGS (which we use for real compilation).
1339 ### The two are the same except on a few systems, where they are made
1340 ### different to work around various lossages.  For example,
1341 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1342 ### as implying static linking.
1343
1344 ### If the CFLAGS env var is specified, we use that value
1345 ### instead of the default.
1346
1347 ### It's not important that this name contain the PID; you can't run
1348 ### two configures in the same directory and have anything work
1349 ### anyway.
1350 tempcname="conftest.c"
1351
1352 echo '
1353 #include "'${srcdir}'/src/'${opsysfile}'"
1354 #include "'${srcdir}'/src/'${machfile}'"
1355 #ifndef LIBS_MACHINE
1356 #define LIBS_MACHINE
1357 #endif
1358 #ifndef LIBS_SYSTEM
1359 #define LIBS_SYSTEM
1360 #endif
1361 #ifndef C_SWITCH_SYSTEM
1362 #define C_SWITCH_SYSTEM
1363 #endif
1364 #ifndef C_SWITCH_MACHINE
1365 #define C_SWITCH_MACHINE
1366 #endif
1367 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1368 configure___ c_switch_system=C_SWITCH_SYSTEM
1369 configure___ c_switch_machine=C_SWITCH_MACHINE
1370
1371 #ifndef LIB_X11_LIB
1372 #define LIB_X11_LIB -lX11
1373 #endif
1374
1375 #ifndef LIBX11_MACHINE
1376 #define LIBX11_MACHINE
1377 #endif
1378
1379 #ifndef LIBX11_SYSTEM
1380 #define LIBX11_SYSTEM
1381 #endif
1382 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1383
1384 #ifdef UNEXEC
1385 configure___ unexec=UNEXEC
1386 #else
1387 configure___ unexec=unexec.o
1388 #endif
1389
1390 #ifdef SYSTEM_MALLOC
1391 configure___ system_malloc=yes
1392 #else
1393 configure___ system_malloc=no
1394 #endif
1395
1396 #ifdef USE_MMAP_FOR_BUFFERS
1397 configure___ use_mmap_for_buffers=yes
1398 #else
1399 configure___ use_mmap_for_buffers=no
1400 #endif
1401
1402 #ifndef C_DEBUG_SWITCH
1403 #define C_DEBUG_SWITCH -g
1404 #endif
1405
1406 #ifndef C_OPTIMIZE_SWITCH
1407 #ifdef __GNUC__
1408 #define C_OPTIMIZE_SWITCH -O2
1409 #else
1410 #define C_OPTIMIZE_SWITCH -O
1411 #endif
1412 #endif
1413
1414 #ifndef C_WARNINGS_SWITCH
1415 #define C_WARNINGS_SWITCH ${C_WARNINGS_SWITCH}
1416 #endif
1417
1418 #ifndef LD_SWITCH_MACHINE
1419 #define LD_SWITCH_MACHINE
1420 #endif
1421
1422 #ifndef LD_SWITCH_SYSTEM
1423 #define LD_SWITCH_SYSTEM
1424 #endif
1425
1426 #ifndef LD_SWITCH_X_SITE_AUX
1427 #define LD_SWITCH_X_SITE_AUX
1428 #endif
1429
1430 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1431 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1432
1433 #ifdef THIS_IS_CONFIGURE
1434
1435 /* Get the CFLAGS for tests in configure.  */
1436 #ifdef __GNUC__
1437 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1438 #else
1439 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1440 #endif
1441
1442 #else /* not THIS_IS_CONFIGURE */
1443
1444 /* Get the CFLAGS for real compilation.  */
1445 #ifdef __GNUC__
1446 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH C_WARNINGS_SWITCH '${SPECIFIED_CFLAGS}'
1447 #else
1448 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1449 #endif
1450
1451 #endif /* not THIS_IS_CONFIGURE */
1452 ' > ${tempcname}
1453
1454 # The value of CPP is a quoted variable reference, so we need to do this
1455 # to get its actual value...
1456 CPP=`eval "echo $CPP"`
1457 [eval `${CPP} -Isrc ${tempcname} \
1458        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1459 if test "x$SPECIFIED_CFLAGS" = x; then
1460   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1461          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1462 else
1463   REAL_CFLAGS="$CFLAGS"
1464 fi]
1465 rm ${tempcname}
1466
1467 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1468
1469 ### Make sure subsequent tests use flags consistent with the build flags.
1470
1471 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1472   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1473 else
1474   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1475 fi
1476
1477 dnl For AC_FUNC_GETLOADAVG, at least:
1478 AC_CONFIG_LIBOBJ_DIR(src)
1479
1480 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1481 AC_SYS_LARGEFILE
1482
1483
1484 dnl This function defintion taken from Gnome 2.0
1485 dnl PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
1486 dnl defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
1487 dnl also defines GSTUFF_PKG_ERRORS on error
1488 AC_DEFUN([PKG_CHECK_MODULES], [
1489   succeeded=no
1490
1491   if test -z "$PKG_CONFIG"; then
1492     AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
1493   fi
1494
1495   if test "$PKG_CONFIG" = "no" ; then
1496      ifelse([$4], , [AC_MSG_ERROR([
1497       *** 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])
1498   else
1499      PKG_CONFIG_MIN_VERSION=0.9.0
1500      if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
1501         AC_MSG_CHECKING(for $2)
1502
1503         if $PKG_CONFIG --exists "$2" 2>&AS_MESSAGE_LOG_FD; then
1504             AC_MSG_RESULT(yes)
1505             succeeded=yes
1506
1507             AC_MSG_CHECKING($1_CFLAGS)
1508             $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
1509             AC_MSG_RESULT($$1_CFLAGS)
1510
1511             AC_MSG_CHECKING($1_LIBS)
1512             $1_LIBS=`$PKG_CONFIG --libs "$2"`
1513             AC_MSG_RESULT($$1_LIBS)
1514         else
1515             AC_MSG_RESULT(no)
1516             $1_CFLAGS=""
1517             $1_LIBS=""
1518             ## If we have a custom action on failure, don't print errors, but
1519             ## do set a variable so people can do so.
1520             $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
1521             ifelse([$4], ,echo $$1_PKG_ERRORS,)
1522         fi
1523
1524         AC_SUBST($1_CFLAGS)
1525         AC_SUBST($1_LIBS)
1526      else
1527         echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
1528         echo "*** See http://www.freedesktop.org/software/pkgconfig"
1529      fi
1530   fi
1531
1532   if test $succeeded = yes; then
1533      ifelse([$3], , :, [$3])
1534   else
1535      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.])], [$4])
1536   fi
1537 ])
1538
1539
1540 if test "${with_sound}" != "no"; then
1541   # Sound support for GNU/Linux and the free BSDs.
1542   AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1543   # Emulation library used on NetBSD.
1544   AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1545   AC_SUBST(LIBSOUND)
1546
1547   ALSA_REQUIRED=1.0.0
1548   ALSA_MODULES="alsa >= $ALSA_REQUIRED"
1549   dnl Check if --with-pkg-config-prog has been given.
1550   if test "X${with_pkg_config_prog}" != X; then
1551     PKG_CONFIG="${with_pkg_config_prog}"
1552   fi
1553   PKG_CHECK_MODULES(ALSA, $ALSA_MODULES, HAVE_ALSA=yes, HAVE_ALSA=no)
1554   if test $HAVE_ALSA = yes; then
1555     LIBSOUND="$LIBSOUND $ALSA_LIBS"
1556     CFLAGS_SOUND="$CFLAGS_SOUND $ALSA_CFLAGS"
1557     AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if ALSA is available.])
1558   fi
1559   AC_SUBST(CFLAGS_SOUND)
1560 fi
1561
1562 dnl checks for header files
1563 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1564   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1565   termcap.h stdio_ext.h fcntl.h strings.h coff.h pty.h sys/mman.h \
1566   sys/param.h sys/vlimit.h sys/resource.h locale.h sys/_mbstate_t.h \
1567   sys/utsname.h pwd.h)
1568
1569 AC_MSG_CHECKING(if personality LINUX32 can be set)
1570 AC_TRY_COMPILE([#include <sys/personality.h>], [personality (PER_LINUX32)],
1571                emacs_cv_personality_linux32=yes,
1572                emacs_cv_personality_linux32=no)
1573 AC_MSG_RESULT($emacs_cv_personality_linux32)
1574
1575 if test $emacs_cv_personality_linux32 = yes; then
1576   AC_DEFINE(HAVE_PERSONALITY_LINUX32, 1,
1577             [Define to 1 if personality LINUX32 can be set.])
1578 fi
1579
1580 dnl On Solaris 8 there's a compilation warning for term.h because
1581 dnl it doesn't define `bool'.
1582 AC_CHECK_HEADERS(term.h, , , -)
1583 AC_HEADER_STDC
1584 AC_HEADER_TIME
1585 AC_CHECK_DECLS([sys_siglist])
1586 if test $ac_cv_have_decl_sys_siglist != yes; then
1587   # For Tru64, at least:
1588   AC_CHECK_DECLS([__sys_siglist])
1589   if test $ac_cv_have_decl___sys_siglist = yes; then
1590     AC_DEFINE(sys_siglist, __sys_siglist,
1591               [Define to any substitute for sys_siglist.])
1592   fi
1593 fi
1594 AC_HEADER_SYS_WAIT
1595
1596 dnl Some systems have utime.h but don't declare the struct anyplace.
1597 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1598 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1599 #include <sys/time.h>
1600 #include <time.h>
1601 #else
1602 #ifdef HAVE_SYS_TIME_H
1603 #include <sys/time.h>
1604 #else
1605 #include <time.h>
1606 #endif
1607 #endif
1608 #ifdef HAVE_UTIME_H
1609 #include <utime.h>
1610 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1611   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1612 if test $emacs_cv_struct_utimbuf = yes; then
1613   AC_DEFINE(HAVE_STRUCT_UTIMBUF, 1, [Define to 1 if `struct utimbuf' is declared by <utime.h>.])
1614 fi
1615
1616 dnl checks for typedefs
1617 AC_TYPE_SIGNAL
1618
1619 dnl Check for speed_t typedef.
1620 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1621   [AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1622     emacs_cv_speed_t=yes, emacs_cv_speed_t=no)])
1623 if test $emacs_cv_speed_t = yes; then
1624   AC_DEFINE(HAVE_SPEED_T, 1,
1625            [Define to 1 if `speed_t' is declared by <termios.h>.])
1626 fi
1627
1628 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1629 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1630 #include <sys/time.h>
1631 #include <time.h>
1632 #else
1633 #ifdef HAVE_SYS_TIME_H
1634 #include <sys/time.h>
1635 #else
1636 #include <time.h>
1637 #endif
1638 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1639   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1640 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1641 if test $emacs_cv_struct_timeval = yes; then
1642   AC_DEFINE(HAVE_TIMEVAL, 1, [Define to 1 if `struct timeval' is declared by <sys/time.h>.])
1643 fi
1644
1645 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1646 AC_TRY_COMPILE([#include <math.h>],
1647 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1648   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1649 HAVE_EXCEPTION=$emacs_cv_struct_exception
1650 if test $emacs_cv_struct_exception != yes; then
1651   AC_DEFINE(NO_MATHERR, 1, [Define to 1 if you don't have struct exception in math.h.])
1652 fi
1653
1654 AC_CHECK_HEADERS(sys/socket.h)
1655 AC_CHECK_HEADERS(net/if.h, , , [AC_INCLUDES_DEFAULT
1656 #if HAVE_SYS_SOCKET_H
1657 #include <sys/socket.h>
1658 #endif])
1659
1660 dnl checks for structure members
1661 AC_STRUCT_TM
1662 AC_STRUCT_TIMEZONE
1663 AC_CHECK_MEMBER(struct tm.tm_gmtoff,
1664                 [AC_DEFINE(HAVE_TM_GMTOFF, 1,
1665                            [Define to 1 if `tm_gmtoff' is member of `struct tm'.])],,
1666                 [#include <time.h>])
1667 AC_CHECK_MEMBERS([struct ifreq.ifr_flags, struct ifreq.ifr_hwaddr,
1668                   struct ifreq.ifr_netmask, struct ifreq.ifr_broadaddr,
1669                   struct ifreq.ifr_addr], , ,
1670                  [AC_INCLUDES_DEFAULT
1671 #if HAVE_SYS_SOCKET_H
1672 #include <sys/socket.h>
1673 #endif
1674 #if HAVE_NET_IF_H
1675 #include <net/if.h>
1676 #endif])
1677
1678 dnl checks for compiler characteristics
1679
1680 dnl Testing __STDC__ to determine prototype support isn't good enough.
1681 dnl DEC C, for instance, doesn't define it with default options, and
1682 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1683 dnl and void *.
1684 AC_C_PROTOTYPES
1685 AC_C_VOLATILE
1686 AC_C_CONST
1687 dnl This isn't useful because we can't turn on use of `inline' unless
1688 dnl the compiler groks `extern inline'.
1689 dnl AC_C_INLINE
1690 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1691   [AC_TRY_COMPILE(, [void * foo;],
1692                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1693 if test $emacs_cv_void_star = yes; then
1694   AC_DEFINE(POINTER_TYPE, void)
1695 else
1696   AC_DEFINE(POINTER_TYPE, char)
1697 fi
1698 AH_TEMPLATE(POINTER_TYPE,
1699             [Define as `void' if your compiler accepts `void *'; otherwise
1700              define as `char'.])dnl
1701
1702
1703
1704 dnl This could be used for targets which can have both byte sexes.
1705 dnl We could presumably replace the hardwired WORDS_BIG_ENDIAN generally.
1706 dnl AC_C_BIGENDIAN
1707
1708 dnl check for Make feature
1709 AC_PROG_MAKE_SET
1710
1711 dnl checks for operating system services
1712 AC_SYS_LONG_FILE_NAMES
1713
1714 #### Choose a window system.
1715
1716 AC_PATH_X
1717 if test "$no_x" = yes; then
1718   window_system=none
1719 else
1720   window_system=x11
1721 fi
1722
1723 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1724   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1725   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1726   x_default_search_path=""
1727   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1728     x_search_path="\
1729 ${x_library}/X11/%L/%T/%N%C%S:\
1730 ${x_library}/X11/%l/%T/%N%C%S:\
1731 ${x_library}/X11/%T/%N%C%S:\
1732 ${x_library}/X11/%L/%T/%N%S:\
1733 ${x_library}/X11/%l/%T/%N%S:\
1734 ${x_library}/X11/%T/%N%S"
1735     if test x"${x_default_search_path}" = x; then
1736       x_default_search_path=${x_search_path}
1737     else
1738       x_default_search_path="${x_search_path}:${x_default_search_path}"
1739     fi
1740   done
1741 fi
1742 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1743   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1744 fi
1745
1746 if test x"${x_includes}" = x; then
1747   bitmapdir=/usr/include/X11/bitmaps
1748 else
1749   # accumulate include directories that have X11 bitmap subdirectories
1750   bmd_acc="dummyval"
1751   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1752     if test -d "${bmd}/X11/bitmaps"; then
1753       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1754     fi
1755     if test -d "${bmd}/bitmaps"; then
1756       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1757     fi
1758   done
1759   if test ${bmd_acc} != "dummyval"; then
1760     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1761   fi
1762 fi
1763
1764 HAVE_CARBON=no
1765 if test "${with_carbon}" != no; then
1766   AC_CHECK_HEADER(Carbon/Carbon.h, HAVE_CARBON=yes)
1767 fi
1768 if test "${window_system}" = x11 && test "${HAVE_CARBON}" = yes; then
1769   if test "${with_carbon+set}" != set \
1770      && test "${carbon_appdir_x+set}" != set; then
1771     HAVE_CARBON=no
1772   fi
1773 fi
1774 if test "${HAVE_CARBON}" = yes; then
1775   window_system=mac
1776 fi
1777
1778 case "${window_system}" in
1779   x11 )
1780     HAVE_X_WINDOWS=yes
1781     HAVE_X11=yes
1782     case "${with_x_toolkit}" in
1783       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1784       motif ) USE_X_TOOLKIT=MOTIF ;;
1785 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1786       gtk ) with_gtk=yes
1787 dnl Dont set this for GTK.  A lot of tests below assumes Xt when
1788 dnl USE_X_TOOLKIT is set.
1789             USE_X_TOOLKIT=none ;;
1790       no ) USE_X_TOOLKIT=none ;;
1791 dnl If user did not say whether to use a toolkit,
1792 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1793       * ) USE_X_TOOLKIT=maybe ;;
1794     esac
1795   ;;
1796   mac | none )
1797     HAVE_X_WINDOWS=no
1798     HAVE_X11=no
1799     USE_X_TOOLKIT=none
1800   ;;
1801 esac
1802
1803 ### If we're using X11, we should use the X menu package.
1804 HAVE_MENUS=no
1805 case ${HAVE_X11} in
1806   yes ) HAVE_MENUS=yes ;;
1807 esac
1808
1809 if test "${opsys}" = "hpux9"; then
1810   case "${x_libraries}" in
1811     *X11R4* )
1812       opsysfile="s/hpux9-x11r4.h"
1813       ;;
1814   esac
1815 fi
1816
1817 if test "${opsys}" = "hpux9shr"; then
1818   case "${x_libraries}" in
1819     *X11R4* )
1820       opsysfile="s/hpux9shxr4.h"
1821       ;;
1822   esac
1823 fi
1824
1825 ### Compute the unexec source name from the object name.
1826 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1827
1828 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1829 # Assume not, until told otherwise.
1830 GNU_MALLOC=yes
1831 doug_lea_malloc=yes
1832 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1833 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1834 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1835                emacs_cv_var___after_morecore_hook,
1836 [AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1837   emacs_cv_var___after_morecore_hook=yes,
1838   emacs_cv_var___after_morecore_hook=no)])
1839 if test $emacs_cv_var___after_morecore_hook = no; then
1840   doug_lea_malloc=no
1841 fi
1842 if test "${system_malloc}" = "yes"; then
1843   GNU_MALLOC=no
1844   GNU_MALLOC_reason="
1845     (The GNU allocators don't work with this system configuration.)"
1846 fi
1847 if test "$doug_lea_malloc" = "yes" ; then
1848   if test "$GNU_MALLOC" = yes ; then
1849     GNU_MALLOC_reason="
1850       (Using Doug Lea's new malloc from the GNU C Library.)"
1851   fi
1852   AC_DEFINE(DOUG_LEA_MALLOC, 1,
1853             [Define to 1 if you are using the GNU C Library.])
1854 fi
1855
1856 if test x"${REL_ALLOC}" = x; then
1857   REL_ALLOC=${GNU_MALLOC}
1858 fi
1859
1860 dnl For now, need to use an explicit `#define USE_MMAP_FOR_BUFFERS 1'
1861 dnl the system configuration file (s/*.h) to turn the use of mmap
1862 dnl in the relocating allocator on.
1863
1864 AC_FUNC_MMAP
1865 if test $use_mmap_for_buffers = yes; then
1866   REL_ALLOC=no
1867 fi
1868
1869 LIBS="$libsrc_libs $LIBS"
1870
1871 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1872 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1873 AC_CHECK_LIB(dnet, dnet_ntoa)
1874 dnl This causes -lresolv to get used in subsequent tests,
1875 dnl which causes failures on some systems such as HPUX 9.
1876 dnl AC_CHECK_LIB(resolv, gethostbyname)
1877
1878 dnl FIXME replace main with a function we actually want from this library.
1879 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1880
1881 AC_CHECK_LIB(pthreads, cma_open)
1882
1883 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1884 if test -d /usr/X386/include; then
1885   HAVE_XFREE386=yes
1886   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1887 else
1888   HAVE_XFREE386=no
1889 fi
1890 AC_MSG_RESULT($HAVE_XFREE386)
1891
1892 dnl Check for need for bigtoc support on IBM AIX
1893
1894 case ${host_os} in
1895 aix*)
1896   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1897     case $GCC in
1898     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1899     *) gdb_cv_bigtoc=-bbigtoc ;;
1900     esac
1901
1902     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1903     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1904   ])
1905   ;;
1906 esac
1907
1908 # Change CFLAGS and CPPFLAGS temporarily so that C_SWITCH_X_SITE gets
1909 # used for the tests that follow.  We set them back to REAL_CFLAGS and
1910 # REAL_CPPFLAGS later on.
1911
1912 REAL_CPPFLAGS="$CPPFLAGS"
1913
1914 if test "${HAVE_X11}" = "yes"; then
1915   DEFS="$C_SWITCH_X_SITE $DEFS"
1916   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1917   LIBS="$LIBX $LIBS"
1918   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1919   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1920
1921   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1922   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1923   # but it's more convenient here to set LD_RUN_PATH
1924   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1925   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1926     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1927     export LD_RUN_PATH
1928   fi
1929
1930   if test "${opsys}" = "gnu-linux"; then
1931     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1932     AC_TRY_LINK([],
1933      [XOpenDisplay ("foo");],
1934      [xlinux_first_failure=no],
1935      [xlinux_first_failure=yes])
1936     if test "${xlinux_first_failure}" = "yes"; then
1937       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1938       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1939       OLD_CPPFLAGS="$CPPFLAGS"
1940       OLD_LIBS="$LIBS"
1941       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1942       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1943       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1944       LIBS="$LIBS -b i486-linuxaout"
1945       AC_TRY_LINK([],
1946        [XOpenDisplay ("foo");],
1947        [xlinux_second_failure=no],
1948        [xlinux_second_failure=yes])
1949       if test "${xlinux_second_failure}" = "yes"; then
1950         # If we get the same failure with -b, there is no use adding -b.
1951         # So take it out.  This plays safe.
1952         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1953         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1954         CPPFLAGS="$OLD_CPPFLAGS"
1955         LIBS="$OLD_LIBS"
1956         AC_MSG_RESULT(no)
1957       else
1958         AC_MSG_RESULT(yes)
1959       fi
1960     else
1961       AC_MSG_RESULT(no)
1962     fi
1963   fi
1964
1965   # Reportedly, some broken Solaris systems have XKBlib.h but are missing
1966   # header files included from there.
1967   AC_MSG_CHECKING(for Xkb)
1968   AC_TRY_LINK([#include <X11/Xlib.h>
1969 #include <X11/XKBlib.h>],
1970         [XkbDescPtr kb = XkbGetKeyboard (0, XkbAllComponentsMask, XkbUseCoreKbd);],
1971         emacs_xkb=yes, emacs_xkb=no)
1972   AC_MSG_RESULT($emacs_xkb)
1973   if test $emacs_xkb = yes; then
1974     AC_DEFINE(HAVE_XKBGETKEYBOARD, 1, [Define to 1 if you have the XkbGetKeyboard function.])
1975   fi
1976
1977   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1978 XScreenNumberOfScreen XSetWMProtocols)
1979 fi
1980
1981 if test "${window_system}" = "x11"; then
1982   AC_MSG_CHECKING(X11 version 6)
1983   AC_CACHE_VAL(emacs_cv_x11_version_6,
1984   [AC_TRY_LINK([#include <X11/Xlib.h>],
1985 [#if XlibSpecificationRelease < 6
1986 fail;
1987 #endif
1988 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no)])
1989   if test $emacs_cv_x11_version_6 = yes; then
1990     AC_MSG_RESULT(6 or newer)
1991     AC_DEFINE(HAVE_X11R6, 1,
1992               [Define to 1 if you have the X11R6 or newer version of Xlib.])
1993   else
1994     AC_MSG_RESULT(before 6)
1995   fi
1996 fi
1997
1998 if test "${window_system}" = "x11"; then
1999   AC_MSG_CHECKING(X11 version 5)
2000   AC_CACHE_VAL(emacs_cv_x11_version_5,
2001   [AC_TRY_LINK([#include <X11/Xlib.h>],
2002 [#if XlibSpecificationRelease < 5
2003 fail;
2004 #endif
2005 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no)])
2006   if test $emacs_cv_x11_version_5 = yes; then
2007     AC_MSG_RESULT(5 or newer)
2008     HAVE_X11R5=yes
2009     AC_DEFINE(HAVE_X11R5, 1,
2010               [Define to 1 if you have the X11R5 or newer version of Xlib.])
2011   else
2012     HAVE_X11R5=no
2013     AC_MSG_RESULT(before 5)
2014   fi
2015 fi
2016
2017 HAVE_GTK=no
2018 if test "${with_gtk}" = "yes" || test "$USE_X_TOOLKIT" = "gtk"; then
2019   if test "$USE_X_TOOLKIT" != "none" && test "$USE_X_TOOLKIT" != "maybe"; then
2020     AC_MSG_ERROR([Conflicting options, --with-gtk is incompatible with --with-x-toolkit=${with_x_toolkit}]);
2021   fi
2022   GLIB_REQUIRED=2.4
2023   GTK_REQUIRED=2.4
2024   GTK_MODULES="gtk+-2.0 >= $GTK_REQUIRED glib-2.0 >= $GLIB_REQUIRED"
2025
2026   dnl Check if --with-pkg-config-prog has been given.
2027   if test "X${with_pkg_config_prog}" != X; then
2028     PKG_CONFIG="${with_pkg_config_prog}"
2029   fi
2030   dnl Checks for libraries.
2031   PKG_CHECK_MODULES(GTK, $GTK_MODULES)
2032   AC_SUBST(GTK_CFLAGS)
2033   AC_SUBST(GTK_LIBS)
2034   C_SWITCH_X_SITE="$C_SWITCH_X_SITE $GTK_CFLAGS"
2035   CFLAGS="$CFLAGS $GTK_CFLAGS"
2036   LIBS="$GTK_LIBS $LIBS"
2037   HAVE_GTK=yes
2038   AC_DEFINE(HAVE_GTK, 1, [Define to 1 if using GTK.])
2039   USE_X_TOOLKIT=none
2040
2041   dnl  GTK scrollbars resemble toolkit scrollbars a lot, so to avoid
2042   dnl  a lot if #ifdef:s, say we have toolkit scrollbars.
2043   if test "$with_toolkit_scroll_bars" != no; then
2044     with_toolkit_scroll_bars=yes
2045   fi
2046
2047   dnl  Check if we can use multiple displays with this GTK version.
2048   dnl  If gdk_display_open exists, assume all others are there also.
2049   dnl  XXX The multidisplay feature is severely broken in current GTK
2050   dnl  versions. --lorentey
2051   HAVE_GTK_MULTIDISPLAY=no
2052   dnl AC_CHECK_FUNCS(gdk_display_open, HAVE_GTK_MULTIDISPLAY=yes)
2053   dnl if test "${HAVE_GTK_MULTIDISPLAY}" = "yes"; then
2054   dnl   AC_DEFINE(HAVE_GTK_MULTIDISPLAY, 1,
2055   dnl             [Define to 1 if GTK can handle more than one display.])
2056   dnl fi
2057
2058   dnl  Check if we have the old file selection dialog.
2059   dnl  If gdk_display_open exists, assume all others are there also.
2060   HAVE_GTK_FILE_SELECTION=no
2061   AC_CHECK_FUNCS(gtk_file_selection_new, HAVE_GTK_FILE_SELECTION=yes)
2062
2063   dnl  Check if we have the new file chooser dialog
2064   dnl  If gdk_display_open exists, assume all others are there also.
2065   HAVE_GTK_FILE_CHOOSER=no
2066   AC_CHECK_FUNCS(gtk_file_chooser_dialog_new, HAVE_GTK_FILE_CHOOSER=yes)
2067
2068   if test "$HAVE_GTK_FILE_SELECTION" = yes \
2069      && test "$HAVE_GTK_FILE_CHOOSER" = yes;  then
2070     AC_DEFINE(HAVE_GTK_FILE_BOTH, 1,
2071               [Define to 1 if GTK has both file selection and chooser dialog.])
2072   fi
2073
2074   dnl Check if pthreads are available.  Emacs only needs this when using
2075   dnl gtk_file_chooser under Gnome.
2076   if test "$HAVE_GTK_FILE_CHOOSER" = yes; then
2077     HAVE_GTK_AND_PTHREAD=no
2078     AC_CHECK_HEADERS(pthread.h)
2079     if test "$ac_cv_header_pthread_h"; then
2080       AC_CHECK_LIB(pthread, pthread_self, HAVE_GTK_AND_PTHREAD=yes)
2081     fi
2082     if test "$HAVE_GTK_AND_PTHREAD" = yes; then
2083       GTK_LIBS="$GTK_LIBS -lpthread"
2084       AC_DEFINE(HAVE_GTK_AND_PTHREAD, 1,
2085                [Define to 1 if you have GTK and pthread (-lpthread).])
2086     fi
2087   fi
2088 fi
2089
2090 dnl Do not put whitespace before the #include statements below.
2091 dnl Older compilers (eg sunos4 cc) choke on it.
2092 if test x"${USE_X_TOOLKIT}" = xmaybe; then
2093   if test x"${HAVE_X11R5}" = xyes; then
2094     AC_MSG_CHECKING(X11 version 5 with Xaw)
2095     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
2096     [AC_TRY_LINK([
2097 #include <X11/Intrinsic.h>
2098 #include <X11/Xaw/Simple.h>],
2099       [],
2100       emacs_cv_x11_version_5_with_xaw=yes,
2101       emacs_cv_x11_version_5_with_xaw=no)])
2102     if test $emacs_cv_x11_version_5_with_xaw = yes; then
2103       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
2104       USE_X_TOOLKIT=LUCID
2105     else
2106       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
2107       USE_X_TOOLKIT=none
2108     fi
2109   else
2110     USE_X_TOOLKIT=none
2111   fi
2112 fi
2113
2114 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
2115
2116 if test "${USE_X_TOOLKIT}" != "none"; then
2117   AC_MSG_CHECKING(X11 toolkit version)
2118   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
2119   [AC_TRY_LINK([#include <X11/Intrinsic.h>],
2120 [#if XtSpecificationRelease < 6
2121 fail;
2122 #endif
2123 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no)])
2124   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
2125   if test $emacs_cv_x11_toolkit_version_6 = yes; then
2126     AC_MSG_RESULT(6 or newer)
2127     AC_DEFINE(HAVE_X11XTR6, 1,
2128               [Define to 1 if you have the X11R6 or newer version of Xt.])
2129   else
2130     AC_MSG_RESULT(before 6)
2131   fi
2132
2133 dnl If using toolkit, check whether libXmu.a exists.
2134 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
2135   OLDLIBS="$LIBS"
2136   if test x$HAVE_X11XTR6 = xyes; then
2137     LIBS="-lXt -lSM -lICE $LIBS"
2138   else
2139     LIBS="-lXt $LIBS"
2140   fi
2141   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
2142   test $ac_cv_lib_Xmu_XmuConvertStandardSelection = no && LIBS="$OLDLIBS"
2143 fi
2144
2145 # On Irix 6.5, at least, we need XShapeQueryExtension from -lXext for Xaw3D.
2146 if test "${HAVE_X11}" = "yes"; then
2147   if test "${USE_X_TOOLKIT}" != "none"; then
2148     AC_CHECK_LIB(Xext, XShapeQueryExtension)
2149   fi
2150 fi
2151
2152 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2153   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
2154   [AC_TRY_COMPILE([#include <Xm/Xm.h>],
2155     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
2156 int x = 5;
2157 #else
2158 Motif version prior to 2.1.
2159 #endif],
2160     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no)])
2161   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
2162   if test $emacs_cv_motif_version_2_1 = yes; then
2163     HAVE_LIBXP=no
2164     AC_DEFINE(HAVE_MOTIF_2_1, 1,
2165               [Define to 1 if you have Motif 2.1 or newer.])
2166     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes)
2167     if test ${HAVE_LIBXP} = yes; then
2168       AC_DEFINE(HAVE_LIBXP, 1,
2169                 [Define to 1 if you have the Xp library (-lXp).])
2170     fi
2171   else
2172     AC_CACHE_CHECK(for LessTif where some systems put it, emacs_cv_lesstif,
2173     # We put this in CFLAGS temporarily to precede other -I options
2174     # that might be in CFLAGS temporarily.
2175     # We put this in CPPFLAGS where it precedes the other -I options.
2176     OLD_CPPFLAGS=$CPPFLAGS
2177     OLD_CFLAGS=$CFLAGS
2178     CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CPPFLAGS"
2179     CFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $CFLAGS"
2180     [AC_TRY_COMPILE([#include </usr/X11R6/LessTif/Motif1.2/include/Xm/Xm.h>],
2181       [int x = 5;],
2182       emacs_cv_lesstif=yes, emacs_cv_lesstif=no)])
2183     if test $emacs_cv_lesstif = yes; then
2184       # Make sure this -I option remains in CPPFLAGS after it is set
2185       # back to REAL_CPPFLAGS.
2186       # There is no need to change REAL_CFLAGS, because REAL_CFLAGS does not
2187       # have those other -I options anyway.  Ultimately, having this
2188       # directory ultimately in CPPFLAGS will be enough.
2189       REAL_CPPFLAGS="-I/usr/X11R6/LessTif/Motif1.2/include $REAL_CPPFLAGS"
2190       LDFLAGS="-L/usr/X11R6/LessTif/Motif1.2/lib $LDFLAGS"
2191     else
2192       CFLAGS=$OLD_CFLAGS
2193       CPPFLAGS=$OLD_CPPFLAGS
2194     fi
2195   fi
2196 fi
2197
2198 ### Is -lXaw3d available?
2199 HAVE_XAW3D=no
2200 if test "${HAVE_X11}" = "yes"; then
2201   if test "${USE_X_TOOLKIT}" != "none" && test "${with_toolkit_scroll_bars}" != "no"; then
2202     dnl Fixme: determine what Scrollbar.h needs to avoid compilation
2203     dnl errors from the test without the `-'.
2204     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
2205         [AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes)], , -)
2206     if test "${HAVE_XAW3D}" = "yes"; then
2207         AC_DEFINE(HAVE_XAW3D, 1,
2208                   [Define to 1 if you have the Xaw3d library (-lXaw3d).])
2209     fi
2210   fi
2211 fi
2212
2213 dnl Use toolkit scroll bars if configured for GTK or X toolkit and either
2214 dnl using Motif or Xaw3d is available, and unless
2215 dnl --with-toolkit-scroll-bars=no was specified.
2216
2217 AH_TEMPLATE(USE_TOOLKIT_SCROLL_BARS,
2218             [Define to 1 if we should use toolkit scroll bars.])dnl
2219 USE_TOOLKIT_SCROLL_BARS=no
2220 if test "${with_toolkit_scroll_bars}" != "no"; then
2221   if test "${USE_X_TOOLKIT}" != "none"; then
2222     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
2223       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2224       HAVE_XAW3D=no
2225       USE_TOOLKIT_SCROLL_BARS=yes
2226     elif test "${HAVE_XAW3D}" = "yes"; then
2227       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2228       USE_TOOLKIT_SCROLL_BARS=yes
2229     fi
2230   elif test "${HAVE_GTK}" = "yes"; then
2231     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2232     USE_TOOLKIT_SCROLL_BARS=yes
2233   elif test "${HAVE_CARBON}" = "yes"; then
2234     AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
2235     USE_TOOLKIT_SCROLL_BARS=yes
2236   fi
2237 fi
2238
2239 dnl See if XIM is available.
2240 AC_TRY_COMPILE([
2241           #include <X11/Xlib.h>
2242           #include <X11/Xresource.h>],
2243          [XIMProc  callback;],
2244          HAVE_XIM=yes
2245          AC_DEFINE(HAVE_XIM, 1, [Define to 1 if XIM is available]),
2246          HAVE_XIM=no)
2247
2248 dnl `--with-xim' now controls only the initial value of use_xim at run time.
2249
2250 if test "${with_xim}" != "no"; then
2251   AC_DEFINE(USE_XIM, 1,
2252             [Define to 1 if we should use XIM, if it is available.])
2253 fi
2254
2255
2256 if test "${HAVE_XIM}" != "no"; then
2257   late_CFLAGS=$CFLAGS
2258   if test "$GCC" = yes; then
2259     CFLAGS="$CFLAGS --pedantic-errors"
2260   fi
2261   AC_TRY_COMPILE([
2262 #include <X11/Xlib.h>
2263 #include <X11/Xresource.h>],
2264 [Display *display;
2265 XrmDatabase db;
2266 char *res_name;
2267 char *res_class;
2268 XIMProc  callback;
2269 XPointer *client_data;
2270 #ifndef __GNUC__
2271 /* If we're not using GCC, it's probably not XFree86, and this is
2272    probably right, but we can't use something like --pedantic-errors.  */
2273 extern Bool XRegisterIMInstantiateCallback(Display*, XrmDatabase, char*,
2274                                            char*, XIMProc, XPointer*);
2275 #endif
2276 (void)XRegisterIMInstantiateCallback(display, db, res_name, res_class, callback,
2277    client_data);],
2278     [emacs_cv_arg6_star=yes])
2279   AH_TEMPLATE(XRegisterIMInstantiateCallback_arg6,
2280          [Define to the type of the 6th arg of XRegisterIMInstantiateCallback,
2281 either XPointer or XPointer*.])dnl
2282   if test "$emacs_cv_arg6_star" = yes; then
2283     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer*])
2284   else
2285     AC_DEFINE(XRegisterIMInstantiateCallback_arg6, [XPointer])
2286   fi
2287   CFLAGS=$late_CFLAGS
2288 fi
2289
2290 ### Use -lXpm if available, unless `--with-xpm=no'.
2291 HAVE_XPM=no
2292 if test "${HAVE_X11}" = "yes"; then
2293   if test "${with_xpm}" != "no"; then
2294     AC_CHECK_HEADER(X11/xpm.h,
2295       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
2296     if test "${HAVE_XPM}" = "yes"; then
2297       AC_MSG_CHECKING(for XpmReturnAllocPixels preprocessor define)
2298       AC_EGREP_CPP(no_return_alloc_pixels,
2299       [#include "X11/xpm.h"
2300 #ifndef XpmReturnAllocPixels
2301 no_return_alloc_pixels
2302 #endif
2303       ], HAVE_XPM=no, HAVE_XPM=yes)
2304
2305       if test "${HAVE_XPM}" = "yes"; then
2306         AC_MSG_RESULT(yes)
2307       else
2308         AC_MSG_RESULT(no)
2309       fi
2310     fi
2311   fi
2312
2313   if test "${HAVE_XPM}" = "yes"; then
2314     AC_DEFINE(HAVE_XPM, 1, [Define to 1 if you have the Xpm libary (-lXpm).])
2315   fi
2316 fi
2317
2318 ### Use -ljpeg if available, unless `--with-jpeg=no'.
2319 HAVE_JPEG=no
2320 if test "${HAVE_X11}" = "yes"; then
2321   if test "${with_jpeg}" != "no"; then
2322     dnl Checking for jpeglib.h can lose because of a redefinition of
2323     dnl  HAVE_STDLIB_H.
2324     AC_CHECK_HEADER(jerror.h,
2325       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes))
2326   fi
2327
2328   AH_TEMPLATE(HAVE_JPEG, [Define to 1 if you have the jpeg library (-ljpeg).])dnl
2329   if test "${HAVE_JPEG}" = "yes"; then
2330     AC_DEFINE(HAVE_JPEG)
2331     AC_EGREP_CPP([version= *(6[2-9]|[7-9][0-9])],
2332         [#include <jpeglib.h>
2333          version=JPEG_LIB_VERSION
2334 ],
2335         AC_DEFINE(HAVE_JPEG),
2336         [AC_MSG_WARN([libjpeg found, but not version 6b or later])
2337         HAVE_JPEG=no])
2338   fi
2339 fi
2340
2341 ### Use -lpng if available, unless `--with-png=no'.
2342 HAVE_PNG=no
2343 if test "${HAVE_X11}" = "yes"; then
2344   if test "${with_png}" != "no"; then
2345     # Debian unstable as of July 2003 has multiple libpngs, and puts png.h
2346     # in /usr/include/libpng.
2347     AC_CHECK_HEADERS(png.h libpng/png.h)
2348     if test "$ac_cv_header_png_h" = yes || test "$ac_cv_header_libpng_png_h" = yes ; then
2349       AC_CHECK_LIB(png, png_get_channels, HAVE_PNG=yes, , -lz -lm)
2350     fi
2351   fi
2352
2353   if test "${HAVE_PNG}" = "yes"; then
2354     AC_DEFINE(HAVE_PNG, 1, [Define to 1 if you have the png library (-lpng).])
2355   fi
2356 fi
2357
2358 ### Use -ltiff if available, unless `--with-tiff=no'.
2359 HAVE_TIFF=no
2360 if test "${HAVE_X11}" = "yes"; then
2361   if test "${with_tiff}" != "no"; then
2362     AC_CHECK_HEADER(tiffio.h,
2363       tifflibs="-lz -lm"
2364       # At least one tiff package requires the jpeg library.
2365       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
2366       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
2367   fi
2368
2369   if test "${HAVE_TIFF}" = "yes"; then
2370     AC_DEFINE(HAVE_TIFF, 1, [Define to 1 if you have the tiff library (-ltiff).])
2371   fi
2372 fi
2373
2374 ### Use -lgif if available, unless `--with-gif=no'.
2375 HAVE_GIF=no
2376 if test "${HAVE_X11}" = "yes"; then
2377   if test "${with_gif}" != "no"; then
2378     AC_CHECK_HEADER(gif_lib.h,
2379 # EGifPutExtensionLast only exists from version libungif-4.1.0b1.
2380 # Earlier versions can crash Emacs.
2381       AC_CHECK_LIB(ungif, EGifPutExtensionLast, HAVE_GIF=yes))
2382   fi
2383
2384   if test "${HAVE_GIF}" = "yes"; then
2385     AC_DEFINE(HAVE_GIF, 1, [Define to 1 if you have the ungif library (-lungif).])
2386   fi
2387 fi
2388
2389 dnl Check for malloc/malloc.h on darwin
2390 AC_CHECK_HEADER(malloc/malloc.h, AC_DEFINE(HAVE_MALLOC_MALLOC_H, 1, [Define to 1 if you have the <malloc/malloc.h> header file.]))
2391
2392 ### Use Mac OS X Carbon API to implement GUI.
2393 if test "${HAVE_CARBON}" = "yes"; then
2394   AC_DEFINE(HAVE_CARBON, 1, [Define to 1 if you are using the Carbon API on Mac OS X.])
2395   ## Specify the install directory
2396   carbon_appdir=
2397   if test "${carbon_appdir_x}" != ""; then
2398     case ${carbon_appdir_x} in
2399       y | ye | yes)  carbon_appdir=/Applications ;;
2400       * ) carbon_appdir=${carbon_appdir_x} ;;
2401     esac
2402   fi
2403   # We also have mouse menus.
2404   HAVE_MENUS=yes
2405
2406   tmp_CFLAGS="$CFLAGS"
2407   CFLAGS="$CFLAGS -framework Carbon"
2408   AC_CHECK_FUNC(CancelMenuTracking, have_cmt=yes, have_cmt=no)
2409   if test "$have_cmt" = yes; then
2410     AC_DEFINE(HAVE_CANCELMENUTRACKING, 1,
2411               [Define to 1 if CancelMenuTracking is available (Mac OSX).])
2412   fi
2413   CFLAGS="$tmp_CFLAGS"
2414 fi
2415
2416 ### Use session management (-lSM -lICE) if available
2417 HAVE_X_SM=no
2418 if test "${HAVE_X11}" = "yes"; then
2419   AC_CHECK_HEADER(X11/SM/SMlib.h,
2420     AC_CHECK_LIB(SM, SmcOpenConnection, HAVE_X_SM=yes, , -lICE))
2421
2422   if test "${HAVE_X_SM}" = "yes"; then
2423     AC_DEFINE(HAVE_X_SM, 1, [Define to 1 if you have the SM library (-lSM).])
2424     case "$LIBS" in
2425       *-lSM*) ;;
2426       *)      LIBS="-lSM -lICE $LIBS" ;;
2427     esac
2428   fi
2429 fi
2430
2431 # If netdb.h doesn't declare h_errno, we must declare it by hand.
2432 AC_CACHE_CHECK(whether netdb declares h_errno,
2433                emacs_cv_netdb_declares_h_errno,
2434 [AC_TRY_LINK([#include <netdb.h>],
2435   [return h_errno;],
2436   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no)])
2437 if test $emacs_cv_netdb_declares_h_errno = yes; then
2438   AC_DEFINE(HAVE_H_ERRNO, 1, [Define to 1 if netdb.h declares h_errno.])
2439 fi
2440
2441 AC_FUNC_ALLOCA
2442
2443 # fmod, logb, and frexp are found in -lm on most systems.
2444 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
2445 AC_CHECK_LIB(m, sqrt)
2446
2447 # Check for mail-locking functions in a "mail" library.  Probably this should
2448 # have the same check as for liblockfile below.
2449 AC_CHECK_LIB(mail, maillock)
2450 dnl Debian, at least:
2451 AC_CHECK_LIB(lockfile, maillock)
2452 # If we have the shared liblockfile, assume we must use it for mail
2453 # locking (e.g. Debian).  If we couldn't link against liblockfile
2454 # (no liblockfile.a installed), ensure that we don't need to.
2455 if test "$ac_cv_lib_lockfile_maillock" = no; then
2456   dnl This works for files generally, not just executables.
2457   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
2458   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
2459                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
2460   if test $ac_cv_prog_liblockfile = yes; then
2461     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
2462 This probably means that movemail could lose mail.
2463 There may be a `development' package to install containing liblockfile.])
2464   else :
2465   fi
2466 fi
2467 AC_CHECK_FUNCS(touchlock)
2468 AC_CHECK_HEADERS(maillock.h)
2469
2470 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
2471 rename closedir mkdir rmdir sysinfo getrusage get_current_dir_name \
2472 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
2473 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
2474 utimes setrlimit setpgid getcwd getwd shutdown getaddrinfo \
2475 __fpending mblen mbrlen mbsinit strsignal setitimer ualarm index rindex \
2476 sendto recvfrom getsockopt setsockopt getsockname getpeername \
2477 gai_strerror mkstemp getline getdelim mremap memmove fsync bzero \
2478 memset memcmp difftime memcpy mempcpy mblen mbrlen posix_memalign)
2479
2480 AC_CHECK_HEADERS(sys/un.h)
2481
2482 AC_FUNC_MKTIME
2483 if test "$ac_cv_func_working_mktime" = no; then
2484   AC_DEFINE(BROKEN_MKTIME, 1, [Define to 1 if the mktime function is broken.])
2485 fi
2486
2487 AC_FUNC_GETLOADAVG
2488
2489 AC_FUNC_FSEEKO
2490
2491 # Configure getopt.
2492 m4_include([m4/getopt.m4])
2493 gl_GETOPT_IFELSE([
2494   gl_GETOPT_SUBSTITUTE_HEADER
2495   gl_PREREQ_GETOPT
2496   GETOPTOBJS='getopt.o getopt1.o'
2497 ])
2498 AC_SUBST(GETOPTOBJS)
2499
2500 AC_FUNC_GETPGRP
2501
2502 AC_FUNC_STRFTIME
2503
2504 # UNIX98 PTYs.
2505 AC_CHECK_FUNCS(grantpt)
2506
2507 # PTY-related GNU extensions.
2508 AC_CHECK_FUNCS(getpt)
2509
2510 # Check this now, so that we will NOT find the above functions in ncurses.
2511 # That is because we have not set up to link ncurses in lib-src.
2512 # It's better to believe a function is not available
2513 # than to expect to find it in ncurses.
2514 AC_CHECK_LIB(ncurses, tparm)
2515
2516 # Do we need the Hesiod library to provide the support routines?
2517 if test "$with_hesiod" = yes ; then
2518   # Don't set $LIBS here -- see comments above.
2519   resolv=no
2520   AC_CHECK_FUNC(res_send, , [AC_CHECK_FUNC(__res_send, ,
2521      [AC_CHECK_LIB(resolv, res_send, resolv=yes,
2522                   [AC_CHECK_LIB(resolv, __res_send, resolv=yes)])])])
2523   if test "$resolv" = yes ; then
2524     RESOLVLIB=-lresolv
2525     AC_DEFINE(HAVE_LIBRESOLV, 1,
2526               [Define to 1 if you have the resolv library (-lresolv).])
2527   else
2528     RESOLVLIB=
2529   fi
2530   AC_CHECK_FUNC(hes_getmailhost, , [AC_CHECK_LIB(hesiod, hes_getmailhost,
2531         AC_DEFINE(HAVE_LIBHESIOD, 1,
2532                   [Define to 1 if you have the hesiod library (-lhesiod).]),
2533         :, $RESOLVLIB)])
2534 fi
2535
2536 # These tell us which Kerberos-related libraries to use.
2537 if test "${with_kerberos+set}" = set; then
2538   AC_CHECK_LIB(com_err, com_err)
2539   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
2540   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
2541   AC_CHECK_LIB(krb5, krb5_init_context)
2542   if test "${with_kerberos5+set}" != set; then
2543     AC_CHECK_LIB(des425, des_cbc_encrypt,,
2544                  AC_CHECK_LIB(des, des_cbc_encrypt))
2545     AC_CHECK_LIB(krb4, krb_get_cred,,
2546                  AC_CHECK_LIB(krb, krb_get_cred))
2547   fi
2548
2549   if test "${with_kerberos5+set}" = set; then
2550     AC_CHECK_HEADERS(krb5.h)
2551   else
2552     AC_CHECK_HEADERS(des.h,,
2553                      [AC_CHECK_HEADERS(kerberosIV/des.h,,
2554                                        [AC_CHECK_HEADERS(kerberos/des.h)])])
2555     AC_CHECK_HEADERS(krb.h,,
2556                      [AC_CHECK_HEADERS(kerberosIV/krb.h,,
2557                                        [AC_CHECK_HEADERS(kerberos/krb.h)])])
2558   fi
2559   AC_CHECK_HEADERS(com_err.h)
2560 fi
2561
2562 # Solaris requires -lintl if you want strerror (which calls dgettext)
2563 # to return localized messages.
2564 AC_CHECK_LIB(intl, dgettext)
2565
2566 AC_MSG_CHECKING(whether localtime caches TZ)
2567 AC_CACHE_VAL(emacs_cv_localtime_cache,
2568 [if test x$ac_cv_func_tzset = xyes; then
2569 AC_TRY_RUN([#include <time.h>
2570 extern char **environ;
2571 unset_TZ ()
2572 {
2573   char **from, **to;
2574   for (to = from = environ; (*to = *from); from++)
2575     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
2576       to++;
2577 }
2578 char TZ_GMT0[] = "TZ=GMT0";
2579 char TZ_PST8[] = "TZ=PST8";
2580 main()
2581 {
2582   time_t now = time ((time_t *) 0);
2583   int hour_GMT0, hour_unset;
2584   if (putenv (TZ_GMT0) != 0)
2585     exit (1);
2586   hour_GMT0 = localtime (&now)->tm_hour;
2587   unset_TZ ();
2588   hour_unset = localtime (&now)->tm_hour;
2589   if (putenv (TZ_PST8) != 0)
2590     exit (1);
2591   if (localtime (&now)->tm_hour == hour_GMT0)
2592     exit (1);
2593   unset_TZ ();
2594   if (localtime (&now)->tm_hour != hour_unset)
2595     exit (1);
2596   exit (0);
2597 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
2598 [# If we have tzset, assume the worst when cross-compiling.
2599 emacs_cv_localtime_cache=yes])
2600 else
2601         # If we lack tzset, report that localtime does not cache TZ,
2602         # since we can't invalidate the cache if we don't have tzset.
2603         emacs_cv_localtime_cache=no
2604 fi])dnl
2605 AC_MSG_RESULT($emacs_cv_localtime_cache)
2606 if test $emacs_cv_localtime_cache = yes; then
2607   AC_DEFINE(LOCALTIME_CACHE, 1,
2608             [Define to 1 if localtime caches TZ.])
2609 fi
2610
2611 if test "x$HAVE_TIMEVAL" = xyes; then
2612   AC_CHECK_FUNCS(gettimeofday)
2613   if test $ac_cv_func_gettimeofday = yes; then
2614     AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2615                    emacs_cv_gettimeofday_two_arguments,
2616     [AC_TRY_COMPILE([
2617 #ifdef TIME_WITH_SYS_TIME
2618 #include <sys/time.h>
2619 #include <time.h>
2620 #else
2621 #ifdef HAVE_SYS_TIME_H
2622 #include <sys/time.h>
2623 #else
2624 #include <time.h>
2625 #endif
2626 #endif],
2627       [struct timeval time;
2628        gettimeofday (&time, 0);],
2629       emacs_cv_gettimeofday_two_arguments=yes,
2630       emacs_cv_gettimeofday_two_arguments=no)])
2631     if test $emacs_cv_gettimeofday_two_arguments = no; then
2632       AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT, 1,
2633                 [Define to 1 if gettimeofday accepts only one argument.])
2634     fi
2635   fi
2636 fi
2637
2638 # This defines (or not) HAVE_TZNAME and HAVE_TM_ZONE.
2639 AC_STRUCT_TIMEZONE
2640
2641 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2642 if test "$ac_cv_func_gettimeofday" = yes; then
2643   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2644     [AC_TRY_COMPILE([#include <sys/time.h>],
2645     [struct timezone tz;],
2646     dnl It may be that we can't call gettimeofday with a non-null pointer,
2647     dnl even though we have struct timezone (e.g. HPUX).  In that case
2648     dnl we'll lie about struct timezone.
2649     [AC_TRY_RUN([
2650 #ifdef TIME_WITH_SYS_TIME
2651 #include <sys/time.h>
2652 #include <time.h>
2653 #else
2654 #ifdef HAVE_SYS_TIME_H
2655 #include <sys/time.h>
2656 #else
2657 #include <time.h>
2658 #endif
2659 #endif
2660 main () {
2661   struct timeval time;
2662   struct timezone dummy;
2663   exit (gettimeofday (&time, &dummy));
2664 }],
2665       emacs_cv_struct_timezone=yes,
2666       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2667     emacs_cv_struct_timezone=no)])
2668 fi
2669
2670 ok_so_far=yes
2671 AC_CHECK_FUNC(socket, , ok_so_far=no)
2672 if test $ok_so_far = yes; then
2673   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2674 fi
2675 if test $ok_so_far = yes; then
2676   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2677 fi
2678 if test $ok_so_far = yes; then
2679 dnl Fixme: Not used.  Should this be HAVE_SOCKETS?
2680   AC_DEFINE(HAVE_INET_SOCKETS, 1,
2681             [Define to 1 if you have inet sockets.])
2682 fi
2683
2684 AC_CHECK_HEADERS(sys/ioctl.h)
2685
2686 if test -f /usr/lpp/X11/bin/smt.exp; then
2687   AC_DEFINE(HAVE_AIX_SMT_EXP, 1,
2688             [Define to 1 if the file /usr/lpp/X11/bin/smt.exp exists.])
2689 fi
2690
2691 AC_MSG_CHECKING(whether system supports dynamic ptys)
2692 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2693   AC_MSG_RESULT(yes)
2694   AC_DEFINE(HAVE_DEV_PTMX, 1, [Define to 1 if dynamic ptys are supported.])
2695 else
2696   AC_MSG_RESULT(no)
2697 fi
2698
2699 AC_FUNC_FORK
2700
2701 dnl Adapted from Haible's version.
2702 AC_CACHE_CHECK([for nl_langinfo and CODESET], emacs_cv_langinfo_codeset,
2703   [AC_TRY_LINK([#include <langinfo.h>],
2704     [char* cs = nl_langinfo(CODESET);],
2705     emacs_cv_langinfo_codeset=yes,
2706     emacs_cv_langinfo_codeset=no)
2707   ])
2708 if test $emacs_cv_langinfo_codeset = yes; then
2709   AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
2710     [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
2711 fi
2712
2713 AC_CHECK_TYPES(size_t)
2714
2715 AC_TYPE_MBSTATE_T
2716
2717 dnl Restrict could probably be used effectively other than in regex.c.
2718 AC_CACHE_CHECK([for C restrict keyword], emacs_cv_c_restrict,
2719   [AC_TRY_COMPILE([void fred (int *restrict x);], [],
2720                   emacs_cv_c_restrict=yes,
2721                   [AC_TRY_COMPILE([void fred (int *__restrict x);], [],
2722                                   emacs_cv_c_restrict=__restrict,
2723                                   emacs_cv_c_restrict=no)])])
2724 case "$emacs_cv_c_restrict" in
2725   yes) emacs_restrict=restrict;;
2726   no) emacs_restrict="";;
2727   *) emacs_restrict="$emacs_cv_c_restrict";;
2728 esac
2729 if test "$emacs_restrict" != __restrict; then
2730   AC_DEFINE_UNQUOTED(__restrict, $emacs_restrict,
2731     [Define to compiler's equivalent of C99 restrict keyword.
2732      Don't define if equivalent is `__restrict'.])
2733 fi
2734
2735 AC_CACHE_CHECK([for C restricted array declarations], emacs_cv_c_restrict_arr,
2736   [AC_TRY_COMPILE([void fred (int x[__restrict]);], [],
2737                   emacs_cv_c_restrict_arr=yes, emacs_cv_c_restrict_arr=no)])
2738 if test "$emacs_cv_c_restrict_arr" = yes; then
2739   AC_DEFINE(__restrict_arr, __restrict,
2740     [Define to compiler's equivalent of C99 restrict keyword in array
2741      declarations.  Define as empty for no equivalent.])
2742 fi
2743
2744 dnl Fixme: AC_SYS_POSIX_TERMIOS should probably be used, but it's not clear
2745 dnl how the tty code is related to POSIX and/or other versions of termios.
2746 dnl The following looks like a useful start.
2747 dnl
2748 dnl AC_SYS_POSIX_TERMIOS
2749 dnl if test $ac_cv_sys_posix_termios = yes; then
2750 dnl    AC_DEFINE(HAVE_TERMIOS, 1, [Define to 1 if you have POSIX-style functions
2751 dnl                                and macros for terminal control.])
2752 dnl    AC_DEFINE(HAVE_TCATTR, 1, [Define to 1 if you have tcgetattr and tcsetattr.])
2753 dnl fi
2754
2755 dnl Fixme: Use AC_FUNC_MEMCMP since memcmp is used.  (Needs libobj replacement.)
2756
2757 # Set up the CFLAGS for real compilation, so we can substitute it.
2758 CFLAGS="$REAL_CFLAGS"
2759 CPPFLAGS="$REAL_CPPFLAGS"
2760
2761 #### Find out which version of Emacs this is.
2762 [version=`grep 'defconst[        ]*emacs-version' ${srcdir}/lisp/version.el \
2763          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`]
2764 if test x"${version}" = x; then
2765   AC_MSG_ERROR([can't find current emacs version in `${srcdir}/lisp/version.el'.])
2766 fi
2767
2768 ### Specify what sort of things we'll be editing into Makefile and config.h.
2769 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2770 AC_SUBST(version)
2771 AC_SUBST(configuration)
2772 AC_SUBST(canonical)
2773 AC_SUBST(srcdir)
2774 AC_SUBST(prefix)
2775 AC_SUBST(exec_prefix)
2776 AC_SUBST(bindir)
2777 AC_SUBST(datadir)
2778 AC_SUBST(sharedstatedir)
2779 AC_SUBST(libexecdir)
2780 AC_SUBST(mandir)
2781 AC_SUBST(infodir)
2782 AC_SUBST(lispdir)
2783 AC_SUBST(locallisppath)
2784 AC_SUBST(lisppath)
2785 AC_SUBST(x_default_search_path)
2786 AC_SUBST(etcdir)
2787 AC_SUBST(archlibdir)
2788 AC_SUBST(docdir)
2789 AC_SUBST(bitmapdir)
2790 AC_SUBST(gamedir)
2791 AC_SUBST(gameuser)
2792 AC_SUBST(c_switch_system)
2793 AC_SUBST(c_switch_machine)
2794 AC_SUBST(LD_SWITCH_X_SITE)
2795 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2796 AC_SUBST(C_SWITCH_X_SITE)
2797 AC_SUBST(CFLAGS)
2798 AC_SUBST(X_TOOLKIT_TYPE)
2799 AC_SUBST(machfile)
2800 AC_SUBST(opsysfile)
2801 AC_SUBST(GETLOADAVG_LIBS)
2802 AC_SUBST(carbon_appdir)
2803
2804 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}",
2805                    [Define to the canonical Emacs configuration name.])
2806 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}",
2807                    [Define to the options passed to configure.])
2808 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}",
2809                    [Define to the used machine dependent file.])
2810 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}",
2811                    [Define to the used os dependent file.])
2812 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE},
2813 [Define LD_SWITCH_X_SITE to contain any special flags your loader
2814  may need to deal with X Windows.  For instance, if you've defined
2815  HAVE_X_WINDOWS above and your X libraries aren't in a place that
2816  your loader can find on its own, you might want to add "-L/..." or
2817  something similar.])
2818 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX},
2819                    [Define LD_SWITCH_X_SITE_AUX with an -R option
2820                     in case it's needed (for Solaris, for example).])
2821 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE},
2822 [Define C_SWITCH_X_SITE to contain any special flags your compiler
2823  may need to deal with X Windows.  For instance, if you've defined
2824  HAVE_X_WINDOWS above and your X include files aren't in a place
2825  that your compiler can find on its own, you might want to add
2826  "-I/..." or something similar.])
2827 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC},
2828                    [Define to the unexec source file name.])
2829
2830 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2831   AC_DEFINE(HAVE_X_WINDOWS, 1,
2832             [Define to 1 if you want to use the X window system.])
2833 fi
2834 if test "${USE_X_TOOLKIT}" != "none" ; then
2835   AC_DEFINE(USE_X_TOOLKIT, 1, [Define to 1 if using an X toolkit.])
2836 fi
2837 if test "${HAVE_X11}" = "yes" ; then
2838   AC_DEFINE(HAVE_X11, 1,
2839             [Define to 1 if you want to use version 11 of X windows.
2840              Otherwise, Emacs expects to use version 10.])
2841 fi
2842 if test "${HAVE_XFREE386}" = "yes" ; then
2843   AC_DEFINE(HAVE_XFREE386, 1, [Define to 1 if you're using XFree386.])
2844 fi
2845 if test "${HAVE_MENUS}" = "yes" ; then
2846   AC_DEFINE(HAVE_MENUS, 1,
2847             [Define to 1 if you have mouse menus.
2848              (This is automatic if you use X, but the option to specify it remains.)
2849              It is also defined with other window systems that support xmenu.c.])
2850 fi
2851 if test "${GNU_MALLOC}" = "yes" ; then
2852   AC_DEFINE(GNU_MALLOC, 1,
2853             [Define to 1 if you want to use the GNU memory allocator.])
2854 fi
2855 if test "${REL_ALLOC}" = "yes" ; then
2856   AC_DEFINE(REL_ALLOC, 1,
2857             [Define REL_ALLOC if you want to use the relocating allocator for
2858              buffer space.])
2859 fi
2860
2861 AH_TOP([/* GNU Emacs site configuration template file.
2862    Copyright (C) 1988, 1993, 1994, 1999, 2000, 2002, 2004, 2005, 2006
2863              Free Software Foundation, Inc.
2864
2865 This file is part of GNU Emacs.
2866
2867 GNU Emacs is free software; you can redistribute it and/or modify
2868 it under the terms of the GNU General Public License as published by
2869 the Free Software Foundation; either version 2, or (at your option)
2870 any later version.
2871
2872 GNU Emacs is distributed in the hope that it will be useful,
2873 but WITHOUT ANY WARRANTY; without even the implied warranty of
2874 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
2875 GNU General Public License for more details.
2876
2877 You should have received a copy of the GNU General Public License
2878 along with GNU Emacs; see the file COPYING.  If not, write to the
2879 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
2880 Boston, MA 02110-1301, USA.  */
2881
2882
2883 /* No code in Emacs #includes config.h twice, but some bits of code
2884    intended to work with other packages as well (like gmalloc.c)
2885    think they can include it as many times as they like.  */
2886 #ifndef EMACS_CONFIG_H
2887 #define EMACS_CONFIG_H
2888 ])dnl
2889
2890 AH_BOTTOM([
2891 /* If we're using any sort of window system, define some consequences.  */
2892 #ifdef HAVE_X_WINDOWS
2893 #define HAVE_WINDOW_SYSTEM
2894 #define MULTI_KBOARD
2895 #define HAVE_MOUSE
2896 #endif
2897
2898 /* If we're using the Carbon API on Mac OS X, define a few more
2899    variables as well.  */
2900 #ifdef HAVE_CARBON
2901 #define HAVE_WINDOW_SYSTEM
2902 #define HAVE_MOUSE
2903 #endif
2904
2905 /* Define USER_FULL_NAME to return a string
2906    that is the user's full name.
2907    It can assume that the variable `pw'
2908    points to the password file entry for this user.
2909
2910    At some sites, the pw_gecos field contains
2911    the user's full name.  If neither this nor any other
2912    field contains the right thing, use pw_name,
2913    giving the user's login name, since that is better than nothing.  */
2914 #define USER_FULL_NAME pw->pw_gecos
2915
2916 /* Define AMPERSAND_FULL_NAME if you use the convention
2917    that & in the full name stands for the login id.  */
2918 /* Turned on June 1996 supposing nobody will mind it.  */
2919 #define AMPERSAND_FULL_NAME
2920
2921 /* We have blockinput.h.  */
2922 #define DO_BLOCK_INPUT
2923
2924 /* Define HAVE_SOUND if we have sound support.  We know it works
2925    and compiles only on the specified platforms.   For others,
2926    it probably doesn't make sense to try.  */
2927
2928 #if defined __FreeBSD__ || defined __NetBSD__ || defined __linux__
2929 #ifdef HAVE_MACHINE_SOUNDCARD_H
2930 #define HAVE_SOUND 1
2931 #endif
2932 #ifdef HAVE_SYS_SOUNDCARD_H
2933 #define HAVE_SOUND 1
2934 #endif
2935 #ifdef HAVE_SOUNDCARD_H
2936 #define HAVE_SOUND 1
2937 #endif
2938 #ifdef HAVE_ALSA
2939 #define HAVE_SOUND 1
2940 #endif
2941 #endif /* __FreeBSD__ || __NetBSD__ || __linux__  */
2942
2943 /* If using GNU, then support inline function declarations. */
2944 /* Don't try to switch on inline handling as detected by AC_C_INLINE
2945    generally, because even if non-gcc compilers accept `inline', they
2946    may reject `extern inline'.  */
2947 #if defined (__GNUC__) && defined (OPTIMIZE)
2948 #define INLINE __inline__
2949 #else
2950 #define INLINE
2951 #endif
2952
2953 /* Include the os and machine dependent files.  */
2954 #include config_opsysfile
2955 #include config_machfile
2956
2957 /* Load in the conversion definitions if this system
2958    needs them and the source file being compiled has not
2959    said to inhibit this.  There should be no need for you
2960    to alter these lines.  */
2961
2962 #ifdef SHORTNAMES
2963 #ifndef NO_SHORTNAMES
2964 #include "../shortnames/remap.h"
2965 #endif /* not NO_SHORTNAMES */
2966 #endif /* SHORTNAMES */
2967
2968 /* If no remapping takes place, static variables cannot be dumped as
2969    pure, so don't worry about the `static' keyword. */
2970 #ifdef NO_REMAP
2971 #undef static
2972 #endif
2973
2974 /* Define `subprocesses' should be defined if you want to
2975    have code for asynchronous subprocesses
2976    (as used in M-x compile and M-x shell).
2977    These do not work for some USG systems yet;
2978    for the ones where they work, the s/SYSTEM.h file defines this flag.  */
2979
2980 #ifndef VMS
2981 #ifndef USG
2982 /* #define subprocesses */
2983 #endif
2984 #endif
2985
2986 /* SIGTYPE is the macro we actually use.  */
2987 #ifndef SIGTYPE
2988 #define SIGTYPE RETSIGTYPE
2989 #endif
2990
2991 #ifdef emacs /* Don't do this for lib-src.  */
2992 /* Tell regex.c to use a type compatible with Emacs.  */
2993 #define RE_TRANSLATE_TYPE Lisp_Object
2994 #define RE_TRANSLATE(TBL, C) CHAR_TABLE_TRANSLATE (TBL, C)
2995 #ifdef make_number
2996 /* If make_number is a macro, use it.  */
2997 #define RE_TRANSLATE_P(TBL) (!EQ (TBL, make_number (0)))
2998 #else
2999 /* If make_number is a function, avoid it.  */
3000 #define RE_TRANSLATE_P(TBL) (!(INTEGERP (TBL) && XINT (TBL) == 0))
3001 #endif
3002 #endif
3003
3004 /* Avoid link-time collision with system mktime if we will use our own.  */
3005 #if ! HAVE_MKTIME || BROKEN_MKTIME
3006 #define mktime emacs_mktime
3007 #endif
3008
3009 #define my_strftime nstrftime   /* for strftime.c */
3010
3011 /* The rest of the code currently tests the CPP symbol BSTRING.
3012    Override any claims made by the system-description files.
3013    Note that on some SCO version it is possible to have bcopy and not bcmp.  */
3014 #undef BSTRING
3015 #if defined (HAVE_BCOPY) && defined (HAVE_BCMP)
3016 #define BSTRING
3017 #endif
3018
3019 /* Some of the files of Emacs which are intended for use with other
3020    programs assume that if you have a config.h file, you must declare
3021    the type of getenv.
3022
3023    This declaration shouldn't appear when alloca.s or Makefile.in
3024    includes config.h.  */
3025 #ifndef NOT_C_CODE
3026 extern char *getenv ();
3027 #endif
3028
3029 /* These default definitions are good for almost all machines.
3030    The exceptions override them in m/MACHINE.h.  */
3031
3032 #ifndef BITS_PER_CHAR
3033 #define BITS_PER_CHAR 8
3034 #endif
3035
3036 #ifndef BITS_PER_SHORT
3037 #define BITS_PER_SHORT 16
3038 #endif
3039
3040 /* Note that lisp.h uses this in a preprocessor conditional, so it
3041    would not work to use sizeof.  That being so, we do all of them
3042    without sizeof, for uniformity's sake.  */
3043 #ifndef BITS_PER_INT
3044 #define BITS_PER_INT 32
3045 #endif
3046
3047 #ifndef BITS_PER_LONG
3048 #ifdef _LP64
3049 #define BITS_PER_LONG 64
3050 #else
3051 #define BITS_PER_LONG 32
3052 #endif
3053 #endif
3054
3055 /* Define if the compiler supports function prototypes.  It may do so
3056    but not define __STDC__ (e.g. DEC C by default) or may define it as
3057    zero.  */
3058 #undef PROTOTYPES
3059 /* For mktime.c:  */
3060 #ifndef __P
3061 # if defined PROTOTYPES
3062 #  define __P(args) args
3063 # else
3064 #  define __P(args) ()
3065 # endif  /* GCC.  */
3066 #endif /* __P */
3067
3068 /* Don't include "string.h" or <stdlib.h> in non-C code.  */
3069 #ifndef NOT_C_CODE
3070 #ifdef HAVE_STRING_H
3071 #include "string.h"
3072 #endif
3073 #ifdef HAVE_STRINGS_H
3074 #include "strings.h"  /* May be needed for bcopy & al. */
3075 #endif
3076 #ifdef HAVE_STDLIB_H
3077 #include <stdlib.h>
3078 #endif
3079 #ifndef __GNUC__
3080 # ifdef HAVE_ALLOCA_H
3081 #  include <alloca.h>
3082 # else /* AIX files deal with #pragma.  */
3083 #  ifndef alloca /* predefined by HP cc +Olibcalls */
3084 char *alloca ();
3085 #  endif
3086 # endif /* HAVE_ALLOCA_H */
3087 #endif /* __GNUC__ */
3088 #ifndef HAVE_SIZE_T
3089 typedef unsigned size_t;
3090 #endif
3091 #endif /* NOT_C_CODE */
3092
3093 /* Define HAVE_X_I18N if we have usable i18n support.  */
3094
3095 #ifdef HAVE_X11R6
3096 #define HAVE_X_I18N
3097 #elif defined HAVE_X11R5 && !defined X11R5_INHIBIT_I18N
3098 #define HAVE_X_I18N
3099 #endif
3100
3101 /* Define HAVE_X11R6_XIM if we have usable X11R6-style XIM support.  */
3102
3103 #if defined HAVE_X11R6 && !defined INHIBIT_X11R6_XIM
3104 #define HAVE_X11R6_XIM
3105 #endif
3106
3107 /* Should we enable expensive run-time checking of data types?  */
3108 #undef ENABLE_CHECKING
3109
3110 #if defined __GNUC__ && (__GNUC__ > 2 \
3111                          || (__GNUC__ == 2 && __GNUC_MINOR__ >= 5))
3112 #define NO_RETURN       __attribute__ ((__noreturn__))
3113 #else
3114 #define NO_RETURN       /* nothing */
3115 #endif
3116
3117 /* These won't be used automatically yet.  We also need to know, at least,
3118    that the stack is continuous.  */
3119 #ifdef __GNUC__
3120 #  ifndef GC_SETJMP_WORKS
3121   /* GC_SETJMP_WORKS is nearly always appropriate for GCC --
3122      see NON_SAVING_SETJMP in the target descriptions.  */
3123   /* Exceptions (see NON_SAVING_SETJMP in target description) are ns32k,
3124      SCO5 non-ELF (but Emacs specifies ELF) and SVR3 on x86.
3125      Fixme: Deal with ns32k, SVR3.  */
3126 #    define GC_SETJMP_WORKS 1
3127 #  endif
3128 #  ifndef GC_LISP_OBJECT_ALIGNMENT
3129 #    define GC_LISP_OBJECT_ALIGNMENT (__alignof__ (Lisp_Object))
3130 #  endif
3131 #endif
3132
3133 #ifndef HAVE_BCOPY
3134 #define bcopy(a,b,s) memcpy (b,a,s)
3135 #endif
3136 #ifndef HAVE_BZERO
3137 #define bzero(a,s) memset (a,0,s)
3138 #endif
3139 #ifndef HAVE_BCMP
3140 #define BCMP memcmp
3141 #endif
3142
3143 #endif /* EMACS_CONFIG_H */
3144
3145 /*
3146 Local Variables:
3147 mode: c
3148 End:
3149 */
3150 ])dnl
3151
3152 #### Report on what we decided to do.
3153 #### Report GTK as a toolkit, even if it doesn't use Xt.
3154 #### It makes printing result more understandable as using GTK sets
3155 #### toolkit_scroll_bars to yes by default.
3156 if test "${HAVE_GTK}" = "yes"; then
3157   USE_X_TOOLKIT=GTK
3158 fi
3159
3160 echo "
3161 Configured for \`${canonical}'.
3162
3163   Where should the build process find the source code?    ${srcdir}
3164   What operating system and machine description files should Emacs use?
3165         \`${opsysfile}' and \`${machfile}'
3166   What compiler should emacs be built with?               ${CC} ${CFLAGS}
3167   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
3168   Should Emacs use a relocating allocator for buffers?    ${REL_ALLOC}
3169   Should Emacs use mmap(2) for buffer allocation?         $use_mmap_for_buffers
3170   What window system should Emacs use?                    ${window_system}
3171   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
3172
3173 if test -n "${x_includes}"; then
3174 echo "  Where do we find X Windows header files?                ${x_includes}"
3175 else
3176 echo "  Where do we find X Windows header files?                Standard dirs"
3177 fi
3178 if test -n "${x_libraries}"; then
3179 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
3180 else
3181 echo "  Where do we find X Windows libraries?                   Standard dirs"
3182 fi
3183
3184 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
3185 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
3186 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
3187 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
3188 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
3189 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
3190 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
3191 echo
3192
3193 if test $USE_XASSERTS = yes; then
3194    echo "  Compiling with asserts turned on."
3195    CPPFLAGS="$CPPFLAGS -DXASSERTS=1"
3196    echo
3197 fi
3198
3199
3200
3201 # Remove any trailing slashes in these variables.
3202 [test "${prefix}" != NONE &&
3203   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
3204 test "${exec_prefix}" != NONE &&
3205   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`]
3206
3207 ## Check if the C preprocessor will convert `..' to `. .'.  If so, set
3208 ## CPP_NEED_TRADITIONAL to `yes' so that the code to generate Makefile
3209 ## from Makefile.c can correctly provide the arg `-traditional' to the
3210 ## C preprocessor.
3211
3212 AC_EGREP_CPP(yes..yes,
3213         [yes..yes],
3214         CPP_NEED_TRADITIONAL=no,
3215         CPP_NEED_TRADITIONAL=yes)
3216
3217 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
3218         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
3219         lisp/Makefile lispref/Makefile lispintro/Makefile leim/Makefile, [
3220
3221 ### Make the necessary directories, if they don't exist.
3222 for dir in etc lisp ; do
3223   test -d ${dir} || mkdir ${dir}
3224 done
3225
3226 # Build src/Makefile from ${srcdir}/src/Makefile.c
3227 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
3228 # This must be done after src/config.h is built, since we rely on that file.
3229
3230 # Now get this: Some word that is part of the ${srcdir} directory name
3231 # or the ${configuration} value might, just might, happen to be an
3232 # identifier like `sun4' or `i386' or something, and be predefined by
3233 # the C preprocessor to some helpful value like 1, or maybe the empty
3234 # string.  Needless to say consequent macro substitutions are less
3235 # than conducive to the makefile finding the correct directory.
3236 [undefs="`echo $top_srcdir $configuration $canonical |
3237 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
3238     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
3239 `"]
3240
3241 echo creating src/epaths.h
3242 ${MAKE-make} epaths-force
3243
3244 # As of 2000-11-19, newest development versions of GNU cpp preprocess
3245 # `..' to `. .'  unless invoked with -traditional
3246
3247 if test "x$GCC" = xyes && test "x$CPP_NEED_TRADITIONAL" = xyes; then
3248   CPPFLAGS="$CPPFLAGS -traditional"
3249 fi
3250
3251 echo creating lib-src/Makefile
3252 ( cd lib-src
3253   rm -f junk.c junk1.c junk2.c
3254   sed -e '/start of cpp stuff/q' \
3255       < Makefile.c > junk1.c
3256   sed -e '1,/start of cpp stuff/d'\
3257       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3258       < Makefile.c > junk.c
3259   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3260       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3261   cat junk1.c junk2.c > Makefile.new
3262   rm -f junk.c junk1.c junk2.c
3263   chmod 444 Makefile.new
3264   mv -f Makefile.new Makefile
3265 )
3266
3267 echo creating src/Makefile
3268 ( cd src
3269   rm -f junk.c junk1.c junk2.c
3270   sed -e '/start of cpp stuff/q' \
3271       < Makefile.c > junk1.c
3272   sed -e '1,/start of cpp stuff/d'\
3273       -e 's,/\*\*/#\(.*\)$,/* \1 */,' \
3274       < Makefile.c > junk.c
3275   $CPP $undefs -I. -I$srcdir/src $CPPFLAGS junk.c | \
3276       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
3277   cat junk1.c junk2.c > Makefile.new
3278   rm -f junk.c junk1.c junk2.c
3279   chmod 444 Makefile.new
3280   mv -f Makefile.new Makefile
3281 )
3282
3283 if test ! -f src/.gdbinit && test -f $srcdir/src/.gdbinit; then
3284   echo creating src/.gdbinit
3285   echo source $srcdir/src/.gdbinit > src/.gdbinit
3286 fi
3287
3288 # This is how we know whether to re-run configure in certain cases.
3289 touch src/config.stamp
3290
3291 ], [GCC="$GCC" NON_GNU_CPP="$NON_GNU_CPP" CPP="$CPP" CPP_NEED_TRADITIONAL="$CPP_NEED_TRADITIONAL" CPPFLAGS="$CPPFLAGS"])
3292
3293 m4_if(dnl       Do not change this comment
3294    arch-tag: 156a4dd5-bddc-4d18-96ac-f37742cf6a5e
3295 )dnl