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 Free Software Foundation, Inc.
   7 dnl
   8 dnl  This file is part of GNU Emacs.
   9 dnl
  10 dnl  GNU Emacs is free software; you can redistribute it and/or modify
  11 dnl  it under the terms of the GNU General Public License as published by
  12 dnl  the Free Software Foundation; either version 2, or (at your option)
  13 dnl  any later version.
  14 dnl
  15 dnl  GNU Emacs is distributed in the hope that it will be useful,
  16 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 dnl  GNU General Public License for more details.
  19 dnl
  20 dnl  You should have received a copy of the GNU General Public License
  21 dnl  along with GNU Emacs; see the file COPYING.  If not, write to the
  22 dnl  Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  23 dnl  Boston, MA 02111-1307, USA.
  24
  25 AC_PREREQ(2.8)dnl
  26 AC_INIT(src/lisp.h)
  27 AC_CONFIG_HEADER(src/config.h:src/config.in)
  28
  29 lispdir='${datadir}/emacs/${version}/lisp'
  30 locallisppath='${datadir}/emacs/${version}/site-lisp:'\
  31 '${datadir}/emacs/site-lisp:${datadir}/emacs/${version}/leim'
  32 lisppath='${locallisppath}:${lispdir}'
  33 etcdir='${datadir}/emacs/${version}/etc'
  34 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  35 docdir='${datadir}/emacs/${version}/etc'
  36
  37 AC_ARG_WITH(gcc,
  38 [  --without-gcc           don't use GCC to compile Emacs if GCC is found])
  39 AC_ARG_WITH(pop,
  40 [  --without-pop           don't support POP mail retrieval with movemail],
  41 [if test "$withval" = yes; then
  42    AC_DEFINE(MAIL_USE_POP)
  43 else :
  44 fi],
  45 AC_DEFINE(MAIL_USE_POP))
  46 AC_ARG_WITH(kerberos,
  47 [  --with-kerberos         support Kerberos-authenticated POP],
  48 [AC_DEFINE(KERBEROS)])
  49 AC_ARG_WITH(kerberos5,
  50 [  --with-kerberos5        support Kerberos version 5 authenticated POP],
  51 [if test "${with_kerberos5+set}" = set; then
  52   if test "${with_kerberos+set}" != set; then
  53     with_kerberos=yes
  54     AC_DEFINE(KERBEROS)
  55   fi
  56 fi
  57 AC_DEFINE(KERBEROS5)])
  58 AC_ARG_WITH(hesiod,
  59 [  --with-hesiod           support Hesiod to get the POP server host],
  60 [AC_DEFINE(HESIOD)])
  61 dnl This should be the last --with option, because --with-x is
  62 dnl added later on when we find the path of X, and it's best to
  63 dnl keep them together visually.
  64 AC_ARG_WITH(x-toolkit,
  65 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  66 [         case "${withval}" in
  67             y | ye | yes )      val=athena ;;
  68             n | no )            val=no  ;;
  69             l | lu | luc | luci | lucid )       val=lucid ;;
  70             a | at | ath | athe | athen | athena )      val=athena ;;
  71             m | mo | mot | moti | motif )       val=motif ;;
  72 dnl These don't currently work.
  73 dnl         o | op | ope | open | open- | open-l | open-lo \
  74 dnl             | open-loo | open-look )        val=open-look ;;
  75             * )
  76 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  77 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  78 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  79 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  80 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  81             ;;
  82           esac
  83           with_x_toolkit=$val
  84 ])
  85 AC_ARG_WITH(xpm,
  86 [  --with-xpm              use -lXpm for displaying XPM images])
  87 AC_ARG_WITH(jpeg,
  88 [  --with-jpeg             use -ljpeg for displaying JPEG images])
  89 AC_ARG_WITH(tiff,
  90 [  --with-tiff             use -ltiff for displaying TIFF images])
  91 AC_ARG_WITH(gif,
  92 [  --with-gif              use -lungif for displaying GIF images])
  93 AC_ARG_WITH(png,
  94 [  --with-png              use -lpng for displaying PNG images])
  95 AC_ARG_WITH(toolkit-scroll-bars,
  96 [  --without-toolkit-scroll-bars
  97                            don't use Motif or Xaw3d scroll bars])
  98 AC_ARG_WITH(xim,
  99 [  --without-xim           don't use X11 XIM])
 100
 101 #### Make srcdir absolute, if it isn't already.  It's important to
 102 #### avoid running the path through pwd unnecessarily, since pwd can
 103 #### give you automounter prefixes, which can go away.  We do all this
 104 #### so Emacs can find its files when run uninstalled.
 105 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
 106 unset CDPATH
 107 case "${srcdir}" in
 108   /* ) ;;
 109   . )
 110     ## We may be able to use the $PWD environment variable to make this
 111     ## absolute.  But sometimes PWD is inaccurate.
 112     if test ".${PWD}" != "." && test ".`(cd ${PWD} ; sh -c pwd)`" = ".${PWD}"  ;
 113     then
 114       srcdir="$PWD"
 115     else
 116       srcdir="`(cd ${srcdir}; pwd)`"
 117     fi
 118   ;;
 119   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
 120 esac
 121
 122 #### Check if the source directory already has a configured system in it.
 123 if test `pwd` != `(cd ${srcdir} && pwd)` \
 124    && test -f "${srcdir}/src/config.h" ; then
 125   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
 126    as a build directory right now; it has been configured in its own
 127    right.  To configure in another directory as well, you MUST
 128    use GNU make.  If you do not have GNU make, then you must
 129    now do \`make distclean' in ${srcdir},
 130    and then run $0 again.])
 131
 132 changequote(, )dnl
 133   extrasub='/^VPATH[     ]*=/c\
 134 changequote([, ])dnl
 135 vpath %.c $(srcdir)\
 136 vpath %.h $(srcdir)\
 137 vpath %.y $(srcdir)\
 138 vpath %.l $(srcdir)\
 139 vpath %.s $(srcdir)\
 140 vpath %.in $(srcdir)\
 141 vpath %.texi $(srcdir)'
 142 fi
 143
 144 #### Given the configuration name, set machfile and opsysfile to the
 145 #### names of the m/*.h and s/*.h files we should use.
 146
 147 ### Canonicalize the configuration name.
 148
 149 AC_CANONICAL_HOST
 150 canonical=$host
 151 configuration=$host_alias
 152
 153 changequote(, )dnl
 154
 155 ### If you add support for a new configuration, add code to this
 156 ### switch statement to recognize your configuration name and select
 157 ### the appropriate operating system and machine description files.
 158
 159 ### You would hope that you could choose an m/*.h file pretty much
 160 ### based on the machine portion of the configuration name, and an s-
 161 ### file based on the operating system portion.  However, it turns out
 162 ### that each m/*.h file is pretty manufacturer-specific - for
 163 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 164 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 165 ### machines.  So we basically have to have a special case for each
 166 ### configuration name.
 167 ###
 168 ### As far as handling version numbers on operating systems is
 169 ### concerned, make sure things will fail in a fixable way.  If
 170 ### /etc/MACHINES doesn't say anything about version numbers, be
 171 ### prepared to handle anything reasonably.  If version numbers
 172 ### matter, be sure /etc/MACHINES says something about it.
 173 ###
 174 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 175 ### "System V Release 4"; he writes, "The old convention encouraged
 176 ### confusion between `system' and `release' levels'."
 177
 178 machine='' opsys='' unported=no
 179 case "${canonical}" in
 180
 181   ## NetBSD ports
 182   *-*-netbsd* )
 183     opsys=netbsd
 184     case "${canonical}" in
 185       alpha*-*-netbsd*) machine=alpha ;;
 186       i[3456]86-*-netbsd*) machine=intel386 ;;
 187       m68k-*-netbsd*)
 188                         # This is somewhat bogus.
 189                         machine=hp9000s300 ;;
 190       powerpc-apple-netbsd*) machine=macppc ;;
 191       mips-*-netbsd*)   machine=pmax ;;
 192       mipsel-*-netbsd*) machine=pmax ;;
 193       ns32k-*-netbsd*)  machine=ns32000 ;;
 194       powerpc-*-netbsd*) machine=macppc ;;
 195       sparc-*-netbsd*)  machine=sparc ;;
 196       vax-*-netbsd*)    machine=vax ;;
 197       arm-*-netbsd*)    machine=arm ;;
 198     esac
 199   ;;
 200
 201   ## OpenBSD ports
 202   *-*-openbsd* )
 203     opsys=openbsd
 204     case "${canonical}" in
 205       alpha*-*-openbsd*)        machine=alpha ;;
 206       i386-*-openbsd*)  machine=intel386 ;;
 207       m68k-*-openbsd*)  machine=hp9000s300 ;;
 208       mipsel-*-openbsd*) machine=pmax ;;
 209       ns32k-*-openbsd*) machine=ns32000 ;;
 210       sparc-*-openbsd*) machine=sparc ;;
 211       vax-*-openbsd*)   machine=vax ;;
 212     esac
 213   ;;
 214
 215   ## Acorn RISCiX:
 216   arm-acorn-riscix1.1* )
 217     machine=acorn opsys=riscix1-1
 218   ;;
 219   arm-acorn-riscix1.2* | arm-acorn-riscix )
 220     ## This name is riscix12 instead of riscix1.2
 221     ## to avoid a file name conflict on MSDOS.
 222     machine=acorn opsys=riscix12
 223   ;;
 224
 225   ## BSDI ports
 226   *-*-bsdi* )
 227     opsys=bsdi
 228     case "${canonical}" in
 229       i[345]86-*-bsdi*) machine=intel386 ;;
 230       sparc-*-bsdi*)  machine=sparc ;;
 231       powerpc-*-bsdi*)  machine=powerpc ;;
 232     esac
 233     case "${canonical}" in
 234       *-*-bsd386* | *-*-bsdi1* )        opsys=bsd386 ;;
 235       *-*-bsdi2.0* )            opsys=bsdos2 ;;
 236       *-*-bsdi2* )              opsys=bsdos2-1 ;;
 237       *-*-bsdi3* )              opsys=bsdos3 ;;
 238       *-*-bsdi4* )              opsys=bsdos4 ;;
 239     esac
 240   ;;
 241
 242   ## Alliant machines
 243   ## Strictly speaking, we need the version of the alliant operating
 244   ## system to choose the right machine file, but currently the
 245   ## configuration name doesn't tell us enough to choose the right
 246   ## one; we need to give alliants their own operating system name to
 247   ## do this right.  When someone cares, they can help us.
 248   fx80-alliant-* )
 249     machine=alliant4 opsys=bsd4-2
 250   ;;
 251   i860-alliant-* )
 252     machine=alliant-2800 opsys=bsd4-3
 253   ;;
 254
 255   ## Alpha (DEC) machines.
 256   alpha*-dec-osf* )
 257     machine=alpha opsys=osf1
 258     # This is needed to find X11R6.1 libraries for certain tests.
 259     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 260     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 261     # This is necessary on 5.0 to avoid mangling src/Makefile due to
 262     # non-traditional preprocessing with the current compiler defaults.
 263     # OSF 4 can also have that compiler version, and there seems always
 264     # to have been a usable /usr/bin/cpp.
 265     NON_GNU_CPP='cpp'
 266     case "${canonical}" in
 267     alpha*-dec-osf[4-9]*)
 268       opsys=osf5-0 ;;
 269     esac
 270   ;;
 271
 272   alpha*-*-linux-gnu* )
 273     machine=alpha opsys=gnu-linux
 274   ;;
 275
 276   arm*-*-linux-gnu* )
 277     machine=arm opsys=gnu-linux
 278   ;;
 279
 280   ppc-*-linux | \
 281   powerpc-*-linux* )
 282     machine=powerpc opsys=gnu-linux
 283   ;;
 284
 285   ## Altos 3068
 286   m68*-altos-sysv* )
 287     machine=altos opsys=usg5-2
 288   ;;
 289
 290   ## Amdahl UTS
 291   580-amdahl-sysv* )
 292     machine=amdahl opsys=usg5-2-2
 293   ;;
 294
 295   ## Apollo, Domain/OS
 296   m68*-apollo-* )
 297     machine=apollo opsys=bsd4-3
 298   ;;
 299
 300   ## AT&T 3b2, 3b5, 3b15, 3b20
 301   we32k-att-sysv* )
 302     machine=att3b opsys=usg5-2-2
 303   ;;
 304
 305   ## AT&T 3b1 - The Mighty Unix PC!
 306   m68*-att-sysv* )
 307     machine=7300 opsys=usg5-2-2
 308   ;;
 309
 310   ## Bull dpx20
 311   rs6000-bull-bosx* )
 312     machine=ibmrs6000 opsys=aix3-2
 313   ;;
 314
 315   ## Bull dpx2
 316   m68*-bull-sysv3* )
 317     machine=dpx2 opsys=usg5-3
 318   ;;
 319
 320   ## Bull sps7
 321   m68*-bull-sysv2* )
 322     machine=sps7 opsys=usg5-2
 323   ;;
 324
 325   ## CCI 5/32, 6/32 -- see "Tahoe".
 326
 327   ## Celerity
 328   ## I don't know what configuration name to use for this; config.sub
 329   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 330   ## in touch with us!
 331   celerity-celerity-bsd* )
 332     machine=celerity opsys=bsd4-2
 333   ;;
 334
 335   ## Clipper
 336   ## What operating systems does this chip run that Emacs has been
 337   ## tested on?
 338   clipper-* )
 339     machine=clipper
 340     ## We'll use the catch-all code at the bottom to guess the
 341     ## operating system.
 342   ;;
 343
 344   ## Convex
 345   *-convex-bsd* | *-convex-convexos* )
 346     machine=convex opsys=bsd4-3
 347     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 348     NON_GNU_CPP="cc -E -P"
 349   ;;
 350
 351   ## Cubix QBx/386
 352   i[3456]86-cubix-sysv* )
 353     machine=intel386 opsys=usg5-3
 354   ;;
 355
 356   ## Cydra 5
 357   cydra*-cydrome-sysv* )
 358     machine=cydra5 opsys=usg5-3
 359   ;;
 360
 361   ## Data General AViiON Machines
 362   ## DG changed naming conventions with the release of 5.4.4.10, they
 363   ## dropped the initial 5.4 but left the intervening R.  Because of the
 364   ## R this shouldn't conflict with older versions of the OS (which I
 365   ## think were named like dgux4.*). In addition, DG new AViiONs series
 366   ## uses either Motorola M88k or Intel Pentium CPUs.
 367   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 368     machine=aviion opsys=dgux4
 369   ;;
 370   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 371     ## This name is dgux5-4-3 instead of dgux5-4r3
 372     ## to avoid a file name conflict on MSDOS.
 373     machine=aviion opsys=dgux5-4-3
 374   ;;
 375   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 376     machine=aviion opsys=dgux5-4r2
 377   ;;
 378   m88k-dg-dgux* )
 379     machine=aviion opsys=dgux
 380   ;;
 381
 382   ## Data General AViiON Intel (x86) Machines
 383   ## Exists from 5.4.3 (current i586-dg-dguxR4.11)
 384   ## Ehud Karni, 1998-may-30, ehud@unix.simonwiesel.co.il
 385   i[345]86-dg-dguxR4* )
 386     machine=aviion-intel opsys=dgux4
 387   ;;
 388
 389   ## DECstations
 390   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 391     machine=pmax opsys=bsd4-2
 392   ;;
 393   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 394     machine=pmax opsys=bsd4-3
 395   ;;
 396   mips-dec-ultrix* )
 397     machine=pmax opsys=ultrix4-3
 398   ;;
 399   mips-dec-osf* )
 400     machine=pmax opsys=osf1
 401   ;;
 402   mips-dec-mach_bsd4.3* )
 403     machine=pmax opsys=mach-bsd4-3
 404   ;;
 405
 406   ## Motorola Delta machines
 407   m68k-motorola-sysv* | m68000-motorola-sysv* )
 408     machine=delta opsys=usg5-3
 409     if test -z "`type gnucc | grep 'not found'`"
 410     then
 411       if test -s /etc/167config
 412       then CC="gnucc -m68040"
 413       else CC="gnucc -m68881"
 414       fi
 415     else
 416       if test -z "`type gcc | grep 'not found'`"
 417       then CC=gcc
 418       else CC=cc
 419       fi
 420     fi
 421   ;;
 422   m88k-motorola-sysv4* )
 423     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 424     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 425     # I hope there are not other 4.0 versions for this machine
 426     # which really need usg5-4 instead.
 427     machine=delta88k opsys=usg5-4-2
 428   ;;
 429   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 430     machine=delta88k opsys=usg5-3
 431   ;;
 432
 433   ## Dual machines
 434   m68*-dual-sysv* )
 435     machine=dual opsys=usg5-2
 436   ;;
 437   m68*-dual-uniplus* )
 438     machine=dual opsys=unipl5-2
 439   ;;
 440
 441   ## Elxsi 6400
 442   elxsi-elxsi-sysv* )
 443     machine=elxsi opsys=usg5-2
 444   ;;
 445
 446   ## Encore machines
 447   ns16k-encore-bsd* )
 448     machine=ns16000 opsys=umax
 449   ;;
 450
 451   ## The GEC 63 - apparently, this port isn't really finished yet.
 452   #  I'm sure we finished off the last of the machines, though.  -- fx
 453
 454   ## Gould Power Node and NP1
 455   pn-gould-bsd4.2* )
 456     machine=gould opsys=bsd4-2
 457   ;;
 458   pn-gould-bsd4.3* )
 459     machine=gould opsys=bsd4-3
 460   ;;
 461   np1-gould-bsd* )
 462     machine=gould-np1 opsys=bsd4-3
 463   ;;
 464
 465   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 466   ## as far as Emacs is concerned).
 467   m88k-harris-cxux* )
 468     # Build needs to be different on 7.0 and later releases
 469     case "`uname -r`" in
 470        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 471        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 472     esac
 473     NON_GNU_CPP="/lib/cpp"
 474   ;;
 475   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 476   m68k-harris-cxux* )
 477     machine=nh3000 opsys=cxux
 478   ;;
 479   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 480   powerpc-harris-powerunix )
 481     machine=nh6000 opsys=powerunix
 482     NON_GNU_CPP="cc -Xo -E -P"
 483   ;;
 484   ## SR2001/SR2201 running HI-UX/MPP
 485   hppa1.1-hitachi-hiuxmpp* )
 486     machine=sr2k opsys=hiuxmpp
 487   ;;
 488   ## Honeywell XPS100
 489   xps*-honeywell-sysv* )
 490     machine=xps100 opsys=usg5-2
 491   ;;
 492
 493   ## HP 9000 series 200 or 300
 494   m68*-hp-bsd* )
 495     machine=hp9000s300 opsys=bsd4-3
 496   ;;
 497   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 498   m68*-hp-hpux* )
 499     case "`uname -r`" in
 500       ## Someone's system reports A.B8.05 for this.
 501       ## I wonder what other possibilities there are.
 502       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 503       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 504       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 505       *.1[0-9].* ) machine=hp9000s300 opsys=hpux9shr ;;
 506       *) machine=hp9000s300 opsys=hpux ;;
 507     esac
 508   ;;
 509
 510   ## HP 9000 series 700 and 800, running HP/UX
 511   hppa*-hp-hpux7* )
 512     machine=hp800 opsys=hpux
 513   ;;
 514   hppa*-hp-hpux8* )
 515     machine=hp800 opsys=hpux8
 516   ;;
 517   hppa*-hp-hpux9shr* )
 518     machine=hp800 opsys=hpux9shr
 519   ;;
 520   hppa*-hp-hpux9* )
 521     machine=hp800 opsys=hpux9
 522   ;;
 523   hppa*-hp-hpux1[0-9]* )
 524     machine=hp800 opsys=hpux10
 525   ;;
 526
 527   ## HP 9000 series 700 and 800, running HP/UX
 528   hppa*-hp-hpux* )
 529     ## Cross-compilation?  Nah!
 530     case "`uname -r`" in
 531       ## Someone's system reports A.B8.05 for this.
 532       ## I wonder what other possibilities there are.
 533       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 534       *.08.* ) machine=hp800 opsys=hpux8 ;;
 535       *.09.* ) machine=hp800 opsys=hpux9 ;;
 536       *) machine=hp800 opsys=hpux10 ;;
 537     esac
 538   ;;
 539   hppa*-*-nextstep* )
 540     machine=hp800 opsys=nextstep
 541   ;;
 542
 543   ## Orion machines
 544   orion-orion-bsd* )
 545     machine=orion opsys=bsd4-2
 546   ;;
 547   clipper-orion-bsd* )
 548     machine=orion105 opsys=bsd4-2
 549   ;;
 550
 551   ## IBM machines
 552   i[3456]86-ibm-aix1.1* )
 553     machine=ibmps2-aix opsys=usg5-2-2
 554   ;;
 555   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 556     machine=ibmps2-aix opsys=usg5-3
 557   ;;
 558   i370-ibm-aix*)
 559     machine=ibm370aix opsys=usg5-3
 560   ;;
 561   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 562     machine=ibmrs6000 opsys=aix3-1
 563   ;;
 564   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 565     machine=ibmrs6000 opsys=aix3-2-5
 566   ;;
 567   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 568     machine=ibmrs6000 opsys=aix4-1
 569   ;;
 570   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 571     machine=ibmrs6000 opsys=aix4-2
 572   ;;
 573   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 574     machine=ibmrs6000 opsys=aix4
 575   ;;
 576   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 577     machine=ibmrs6000 opsys=aix4-1
 578   ;;
 579   rs6000-ibm-aix* | powerpc-ibm-aix* )
 580     machine=ibmrs6000 opsys=aix3-2
 581   ;;
 582   romp-ibm-bsd4.3* )
 583     machine=ibmrt opsys=bsd4-3
 584   ;;
 585   romp-ibm-bsd4.2* )
 586     machine=ibmrt opsys=bsd4-2
 587   ;;
 588   romp-ibm-aos4.3* )
 589     machine=ibmrt opsys=bsd4-3
 590   ;;
 591   romp-ibm-aos4.2* )
 592     machine=ibmrt opsys=bsd4-2
 593   ;;
 594   romp-ibm-aos* )
 595     machine=ibmrt opsys=bsd4-3
 596   ;;
 597   romp-ibm-bsd* )
 598     machine=ibmrt opsys=bsd4-3
 599   ;;
 600   romp-ibm-aix* )
 601     machine=ibmrt-aix opsys=usg5-2-2
 602   ;;
 603
 604   ## Integrated Solutions `Optimum V'
 605   m68*-isi-bsd4.2* )
 606     machine=isi-ov opsys=bsd4-2
 607   ;;
 608   m68*-isi-bsd4.3* )
 609     machine=isi-ov opsys=bsd4-3
 610   ;;
 611
 612   ## Intel 386 machines where we do care about the manufacturer
 613   i[3456]86-intsys-sysv* )
 614     machine=is386 opsys=usg5-2-2
 615   ;;
 616
 617   ## Prime EXL
 618   i[3456]86-prime-sysv* )
 619     machine=i386 opsys=usg5-3
 620   ;;
 621
 622   ## Sequent Symmetry running Dynix
 623   i[3456]86-sequent-bsd* )
 624     machine=symmetry opsys=bsd4-3
 625   ;;
 626
 627   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 628   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 629     machine=sequent-ptx opsys=ptx4
 630     NON_GNU_CPP=/lib/cpp
 631   ;;
 632
 633   ## Sequent Symmetry running DYNIX/ptx
 634   ## Use the old cpp rather than the newer ANSI one.
 635   i[3456]86-sequent-ptx* )
 636     machine=sequent-ptx opsys=ptx
 637     NON_GNU_CPP="/lib/cpp"
 638   ;;
 639
 640   ## ncr machine running svr4.3.
 641   i[3456]86-ncr-sysv4.3 )
 642     machine=ncr386 opsys=usg5-4-3
 643   ;;
 644
 645   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 646   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 647   i[3456]86-ncr-sysv* )
 648     machine=ncr386 opsys=usg5-4-2
 649   ;;
 650
 651   ## Intel Paragon OSF/1
 652   i860-intel-osf1* )
 653     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 654   ;;
 655
 656   ## Intel 860
 657   i860-*-sysv4* )
 658     machine=i860 opsys=usg5-4
 659     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 660     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 661   ;;
 662
 663   ## Macintosh PowerPC
 664   powerpc*-*-linux-gnu* )
 665     machine=macppc opsys=gnu-linux
 666   ;;
 667
 668   ## Masscomp machines
 669   m68*-masscomp-rtu* )
 670     machine=masscomp opsys=rtu
 671   ;;
 672
 673   ## Megatest machines
 674   m68*-megatest-bsd* )
 675     machine=mega68 opsys=bsd4-2
 676   ;;
 677
 678   ## Workstations sold by MIPS
 679   ## This is not necessarily all workstations using the MIPS processor -
 680   ## Irises are produced by SGI, and DECstations by DEC.
 681
 682   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 683   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 684   ## it gives for choosing between the alternatives seems to be "Use
 685   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 686   ## the BSD world."  I'll assume that these are instructions for
 687   ## handling two odd situations, and that every other situation
 688   ## should use mips.h and usg5-2-2, they being listed first.
 689   mips-mips-usg* )
 690     machine=mips4
 691     ## Fall through to the general code at the bottom to decide on the OS.
 692   ;;
 693   mips-mips-riscos4* )
 694     machine=mips4 opsys=bsd4-3
 695     NON_GNU_CC="cc -systype bsd43"
 696     NON_GNU_CPP="cc -systype bsd43 -E"
 697   ;;
 698   mips-mips-riscos5* )
 699     machine=mips4 opsys=riscos5
 700     NON_GNU_CC="cc -systype bsd43"
 701     NON_GNU_CPP="cc -systype bsd43 -E"
 702   ;;
 703   mips-mips-bsd* )
 704     machine=mips opsys=bsd4-3
 705   ;;
 706   mips-mips-* )
 707     machine=mips opsys=usg5-2-2
 708   ;;
 709
 710   ## NeXT
 711   m68*-next-* | m68k-*-nextstep* )
 712     machine=m68k opsys=nextstep
 713   ;;
 714
 715   ## The complete machine from National Semiconductor
 716   ns32k-ns-genix* )
 717     machine=ns32000 opsys=usg5-2
 718   ;;
 719
 720   ## NCR machines
 721   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 722     machine=tower32 opsys=usg5-2-2
 723   ;;
 724   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 725     machine=tower32v3 opsys=usg5-3
 726   ;;
 727
 728   ## NEC EWS4800
 729   mips-nec-sysv4*)
 730   machine=ews4800 opsys=ux4800
 731   ;;
 732
 733   ## Nixdorf Targon 31
 734   m68*-nixdorf-sysv* )
 735     machine=targon31 opsys=usg5-2-2
 736   ;;
 737
 738   ## Nu (TI or LMI)
 739   m68*-nu-sysv* )
 740     machine=nu opsys=usg5-2
 741   ;;
 742
 743   ## Plexus
 744   m68*-plexus-sysv* )
 745     machine=plexus opsys=usg5-2
 746   ;;
 747
 748   ## PowerPC reference platform
 749   powerpcle-*-solaris2* )
 750     machine=prep
 751     opsys=sol2-5
 752   ;;
 753
 754   ## Pyramid machines
 755   ## I don't really have any idea what sort of processor the Pyramid has,
 756   ## so I'm assuming it is its own architecture.
 757   pyramid-pyramid-bsd* )
 758     machine=pyramid opsys=bsd4-2
 759   ;;
 760
 761   ## Sequent Balance
 762   ns32k-sequent-bsd4.2* )
 763     machine=sequent opsys=bsd4-2
 764   ;;
 765   ns32k-sequent-bsd4.3* )
 766     machine=sequent opsys=bsd4-3
 767   ;;
 768
 769   ## Siemens Nixdorf
 770   mips-siemens-sysv* | mips-sni-sysv*)
 771     machine=mips-siemens opsys=usg5-4
 772     NON_GNU_CC=/usr/ccs/bin/cc
 773     NON_GNU_CPP=/usr/ccs/lib/cpp
 774   ;;
 775
 776   ## Silicon Graphics machines
 777   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 778   m68*-sgi-iris3.5* )
 779     machine=irist opsys=iris3-5
 780   ;;
 781   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 782     machine=irist opsys=iris3-6
 783   ;;
 784   ## Iris 4D
 785   mips-sgi-irix3* )
 786     machine=iris4d opsys=irix3-3
 787   ;;
 788   mips-sgi-irix4* )
 789     machine=iris4d opsys=irix4-0
 790   ;;
 791   mips-sgi-irix6.5 )
 792     machine=iris4d opsys=irix6-5
 793     # Without defining _LANGUAGE_C, things get masked out in the headers
 794     # so that, for instance, grepping for `free' in stdlib.h fails and
 795     # AC_HEADER_STD_C fails.   (MIPSPro 7.2.1.2m compilers, Irix 6.5.3m).
 796     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 797     NON_GCC_TEST_OPTIONS="-D_LANGUAGE_C"
 798   ;;
 799   mips-sgi-irix6* )
 800     machine=iris4d opsys=irix6-0
 801     # It's not clear whether -D_LANGUAGE_C is necessary as it is for 6.5,
 802     # but presumably it does no harm.
 803     NON_GNU_CPP="/lib/cpp -D_LANGUAGE_C"
 804     # -32 probably isn't necessary in later v.6s -- anyone know which?
 805     NON_GCC_TEST_OPTIONS=-32
 806   ;;
 807   mips-sgi-irix5.[01]* )
 808     machine=iris4d opsys=irix5-0
 809   ;;
 810   mips-sgi-irix5* | mips-sgi-irix* )
 811     machine=iris4d opsys=irix5-2
 812   ;;
 813
 814   ## SONY machines
 815   m68*-sony-bsd4.2* )
 816     machine=news opsys=bsd4-2
 817   ;;
 818   m68*-sony-bsd4.3* )
 819     machine=news opsys=bsd4-3
 820   ;;
 821   m68*-sony-newsos3* | m68*-sony-news3*)
 822     machine=news opsys=bsd4-3
 823   ;;
 824   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 825     machine=news-risc opsys=bsd4-3
 826   ;;
 827   mips-sony-newsos6* )
 828     machine=news-r6 opsys=newsos6
 829   ;;
 830   mips-sony-news* )
 831     machine=news-risc opsys=newsos5
 832   ;;
 833
 834   ## Stride
 835   m68*-stride-sysv* )
 836     machine=stride opsys=usg5-2
 837   ;;
 838
 839   ## Suns
 840   sparc-*-linux-gnu* | sparc64-*-linux-gnu* )
 841     machine=sparc opsys=gnu-linux
 842   ;;
 843
 844   *-auspex-sunos* | *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 845     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 846     | rs6000-*-solaris2*)
 847     case "${canonical}" in
 848       m68*-sunos1* )    machine=sun1 ;;
 849       m68*-sunos2* )    machine=sun2 ;;
 850       m68* )            machine=sun3 ;;
 851       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 852       i[3456]86-*-* )     machine=intel386 ;;
 853       powerpcle* )      machine=powerpcle ;;
 854       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 855       sparc* )          machine=sparc ;;
 856       * )               unported=yes ;;
 857     esac
 858     case "${canonical}" in
 859       ## The Sun386 didn't get past 4.0.
 860       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 861       *-sunos4.0*         ) opsys=sunos4-0 ;;
 862       *-sunos4.1.[3-9]*noshare )
 863                 ## This name is sunos413 instead of sunos4-1-3
 864                 ## to avoid a file name conflict on MSDOS.
 865                 opsys=sunos413
 866                 NON_GNU_CPP=/usr/lib/cpp
 867                 NON_GCC_TEST_OPTIONS=-Bstatic
 868                 GCC_TEST_OPTIONS=-static
 869                 ;;
 870       *-sunos4.1.[3-9]* | *-sunos4shr*)
 871                 opsys=sunos4shr
 872                 NON_GNU_CPP=/usr/lib/cpp
 873                 ;;
 874       *-sunos4* | *-sunos )
 875                 opsys=sunos4-1
 876                 NON_GCC_TEST_OPTIONS=-Bstatic
 877                 GCC_TEST_OPTIONS=-static
 878                 ;;
 879       *-sunos5.3* | *-solaris2.3* )
 880                 opsys=sol2-3
 881                 NON_GNU_CPP=/usr/ccs/lib/cpp
 882                 ;;
 883       *-sunos5.4* | *-solaris2.4* )
 884                 opsys=sol2-4
 885                 NON_GNU_CPP=/usr/ccs/lib/cpp
 886                 RANLIB="ar -ts"
 887                 ;;
 888       *-sunos5.5* | *-solaris2.5* )
 889                 opsys=sol2-5
 890                 NON_GNU_CPP=/usr/ccs/lib/cpp
 891                 RANLIB="ar -ts"
 892                 ;;
 893       *-sunos5* | *-solaris* )
 894                 opsys=sol2-5
 895                 NON_GNU_CPP=/usr/ccs/lib/cpp
 896                 ;;
 897       *                   ) opsys=bsd4-2   ;;
 898     esac
 899     ## Watch out for a compiler that we know will not work.
 900     case "${canonical}" in
 901      *-solaris* | *-sunos5* )
 902                 if [ "x$CC" = x/usr/ucb/cc ]; then
 903                   ## /usr/ucb/cc doesn't work;
 904                   ## we should find some other compiler that does work.
 905                   unset CC
 906                 fi
 907                 ;;
 908       *) ;;
 909     esac
 910   ;;
 911   sparc-*-nextstep* )
 912     machine=sparc opsys=nextstep
 913   ;;
 914
 915   ## Tadpole 68k
 916   m68*-tadpole-sysv* )
 917     machine=tad68k opsys=usg5-3
 918   ;;
 919
 920   ## Tahoe machines
 921   tahoe-tahoe-bsd4.2* )
 922     machine=tahoe opsys=bsd4-2
 923   ;;
 924   tahoe-tahoe-bsd4.3* )
 925     machine=tahoe opsys=bsd4-3
 926   ;;
 927
 928   ## Tandem Integrity S2
 929   mips-tandem-sysv* )
 930     machine=tandem-s2 opsys=usg5-3
 931   ;;
 932
 933   ## Tektronix XD88
 934   m88k-tektronix-sysv3* )
 935   machine=tekxd88 opsys=usg5-3
 936   ;;
 937
 938   ## Tektronix 16000 box (6130?)
 939   ns16k-tektronix-bsd* )
 940     machine=ns16000 opsys=bsd4-2
 941   ;;
 942   ## Tektronix 4300
 943   ## src/m/tek4300.h hints that this is a m68k machine.
 944   m68*-tektronix-bsd* )
 945     machine=tek4300 opsys=bsd4-3
 946   ;;
 947
 948   ## Titan P2 or P3
 949   ## We seem to have lost the machine-description file titan.h!
 950   titan-titan-sysv* )
 951     machine=titan opsys=usg5-3
 952   ;;
 953
 954   ## Ustation E30 (SS5E)
 955   m68*-unisys-uniplus* )
 956     machine=ustation opsystem=unipl5-2
 957   ;;
 958
 959   ## Vaxen.
 960   vax-dec-* )
 961     machine=vax
 962     case "${canonical}" in
 963       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 964       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 965       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 966       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 967       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 968       *-vms* )                                          opsys=vms ;;
 969       * )                                               unported=yes
 970     esac
 971   ;;
 972
 973   ## Whitechapel MG1
 974   ns16k-whitechapel-* )
 975     machine=mg1
 976     ## We don't know what sort of OS runs on these; we'll let the
 977     ## operating system guessing code below try.
 978   ;;
 979
 980   ## Wicat
 981   m68*-wicat-sysv* )
 982     machine=wicat opsys=usg5-2
 983   ;;
 984
 985   ## IA-64
 986   ia64*-*-linux* )
 987     machine=ia64 opsys=gnu-linux
 988   ;;
 989
 990   ## Intel 386 machines where we don't care about the manufacturer
 991   i[3456]86-*-* )
 992     machine=intel386
 993     case "${canonical}" in
 994       *-lynxos* )               opsys=lynxos ;;
 995       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 996       *-isc2.2* )               opsys=isc2-2 ;;
 997       *-isc4.0* )               opsys=isc4-0 ;;
 998       *-isc4.* )                opsys=isc4-1
 999                                 GCC_TEST_OPTIONS=-posix
1000                                 NON_GCC_TEST_OPTIONS=-Xp
1001                                 ;;
1002       *-isc* )                  opsys=isc3-0 ;;
1003       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
1004       *-esix* )                 opsys=esix ;;
1005       *-xenix* )                opsys=xenix ;;
1006       *-linux-gnu* )            opsys=gnu-linux ;;
1007       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
1008       *-sco3.2v5* )             opsys=sco5
1009                                 NON_GNU_CPP=/lib/cpp
1010                                 # Prevent -belf from being passed to $CPP.
1011                                 # /lib/cpp does not accept it.
1012                                 OVERRIDE_CPPFLAGS=" "
1013                                 ;;
1014       *-sysv4.2uw* )            opsys=unixware; NON_GNU_CPP=/lib/cpp ;;
1015       *-386bsd* )               opsys=386bsd ;;
1016       *-freebsd* )              opsys=freebsd ;;
1017       *-nextstep* )             opsys=nextstep ;;
1018       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
1019     esac
1020   ;;
1021
1022   ## m68k Linux-based GNU system
1023   m68k-*-linux-gnu* )
1024     machine=m68k opsys=gnu-linux
1025   ;;
1026
1027   ## Mips Linux-based GNU system
1028   mips-*-linux-gnu* )
1029     machine=mips opsys=gnu-linux
1030   ;;
1031
1032   ## UXP/DS
1033   sparc-fujitsu-sysv4* )
1034     machine=sparc opsys=uxpds
1035     NON_GNU_CPP=/usr/ccs/lib/cpp
1036     RANLIB="ar -ts"
1037   ;;
1038
1039   ## UXP/V
1040   f301-fujitsu-uxpv4.1)
1041     machine=f301 opsys=uxpv
1042   ;;
1043
1044   * )
1045     unported=yes
1046   ;;
1047 esac
1048
1049 ### If the code above didn't choose an operating system, just choose
1050 ### an operating system based on the configuration name.  You really
1051 ### only want to use this when you have no idea what the right
1052 ### operating system is; if you know what operating systems a machine
1053 ### runs, it's cleaner to make it explicit in the case statement
1054 ### above.
1055 if test x"${opsys}" = x; then
1056   case "${canonical}" in
1057     *-gnu* )                            opsys=gnu ;;
1058     *-bsd4.[01] )                       opsys=bsd4-1 ;;
1059     *-bsd4.2 )                          opsys=bsd4-2 ;;
1060     *-bsd4.3 )                          opsys=bsd4-3 ;;
1061     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
1062     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
1063     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
1064     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
1065     *-sysv4.2uw* )                      opsys=unixware ;;
1066     *-sysv4.1* | *-sysvr4.1* )
1067         NON_GNU_CPP=/usr/lib/cpp
1068         opsys=usg5-4 ;;
1069     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
1070         if [ x$NON_GNU_CPP = x ]; then
1071           if [ -f /usr/ccs/lib/cpp ]; then
1072             NON_GNU_CPP=/usr/ccs/lib/cpp
1073           else
1074             NON_GNU_CPP=/lib/cpp
1075           fi
1076         fi
1077         opsys=usg5-4-2 ;;
1078     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
1079     * )
1080       unported=yes
1081     ;;
1082   esac
1083 fi
1084
1085 changequote([, ])dnl
1086
1087 if test $unported = yes; then
1088   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
1089 Check \`etc/MACHINES' for recognized configuration names.])
1090 fi
1091
1092 machfile="m/${machine}.h"
1093 opsysfile="s/${opsys}.h"
1094
1095
1096 #### Choose a compiler.
1097 test -n "$CC" && cc_specified=yes
1098
1099 # Save the value of CFLAGS that the user specified.
1100 SPECIFIED_CFLAGS="$CFLAGS"
1101
1102 case ${with_gcc} in
1103   "yes" ) CC="gcc" GCC=yes ;;
1104   "no"  ) : ${CC=cc} ;;
1105   * ) AC_PROG_CC
1106 esac
1107
1108 # On Suns, sometimes $CPP names a directory.
1109 if test -n "$CPP" && test -d "$CPP"; then
1110   CPP=
1111 fi
1112
1113 #### Some systems specify a CPP to use unless we are using GCC.
1114 #### Now that we know whether we are using GCC, we can decide whether
1115 #### to use that one.
1116 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
1117 then
1118   CPP="$NON_GNU_CPP"
1119 fi
1120
1121 #### Some systems specify a CC to use unless we are using GCC.
1122 #### Now that we know whether we are using GCC, we can decide whether
1123 #### to use that one.
1124 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
1125   test x$cc_specified != xyes
1126 then
1127   CC="$NON_GNU_CC"
1128 fi
1129
1130 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1131 then
1132   CC="$CC $GCC_TEST_OPTIONS"
1133 fi
1134
1135 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1136 then
1137   CC="$CC $NON_GCC_TEST_OPTIONS"
1138 fi
1139
1140 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1141 then
1142   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1143 fi
1144
1145 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1146 then
1147   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1148 fi
1149
1150 #### Some other nice autoconf tests.  If you add a test here which
1151 #### should make an entry in src/config.h, don't forget to add an
1152 #### #undef clause to src/config.h.in for autoconf to modify.
1153
1154 dnl checks for programs
1155 AC_PROG_LN_S
1156 AC_PROG_CPP
1157 AC_PROG_INSTALL
1158 AC_PROG_YACC
1159 if test "x$RANLIB" = x; then
1160   AC_PROG_RANLIB
1161 fi
1162
1163 dnl checks for Unix variants
1164 AC_AIX
1165
1166 #### Extract some information from the operating system and machine files.
1167
1168 AC_CHECKING([the machine- and system-dependent files to find out
1169  - which libraries the lib-src programs will want, and
1170  - whether the GNU malloc routines are usable])
1171
1172 ### First figure out CFLAGS (which we use for running the compiler here)
1173 ### and REAL_CFLAGS (which we use for real compilation).
1174 ### The two are the same except on a few systems, where they are made
1175 ### different to work around various lossages.  For example,
1176 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1177 ### as implying static linking.
1178
1179 ### If the CFLAGS env var is specified, we use that value
1180 ### instead of the default.
1181
1182 ### It's not important that this name contain the PID; you can't run
1183 ### two configures in the same directory and have anything work
1184 ### anyway.
1185 tempcname="conftest.c"
1186
1187 echo '
1188 #include "'${srcdir}'/src/'${opsysfile}'"
1189 #include "'${srcdir}'/src/'${machfile}'"
1190 #ifndef LIBS_MACHINE
1191 #define LIBS_MACHINE
1192 #endif
1193 #ifndef LIBS_SYSTEM
1194 #define LIBS_SYSTEM
1195 #endif
1196 #ifndef C_SWITCH_SYSTEM
1197 #define C_SWITCH_SYSTEM
1198 #endif
1199 #ifndef C_SWITCH_MACHINE
1200 #define C_SWITCH_MACHINE
1201 #endif
1202 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1203 configure___ c_switch_system=C_SWITCH_SYSTEM
1204 configure___ c_switch_machine=C_SWITCH_MACHINE
1205
1206 #ifndef LIB_X11_LIB
1207 #define LIB_X11_LIB -lX11
1208 #endif
1209
1210 #ifndef LIBX11_MACHINE
1211 #define LIBX11_MACHINE
1212 #endif
1213
1214 #ifndef LIBX11_SYSTEM
1215 #define LIBX11_SYSTEM
1216 #endif
1217 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1218
1219 #ifdef UNEXEC
1220 configure___ unexec=UNEXEC
1221 #else
1222 configure___ unexec=unexec.o
1223 #endif
1224
1225 #ifdef SYSTEM_MALLOC
1226 configure___ system_malloc=yes
1227 #else
1228 configure___ system_malloc=no
1229 #endif
1230
1231 #ifndef C_DEBUG_SWITCH
1232 #define C_DEBUG_SWITCH -g
1233 #endif
1234
1235 #ifndef C_OPTIMIZE_SWITCH
1236 #ifdef __GNUC__
1237 #define C_OPTIMIZE_SWITCH -O2
1238 #else
1239 #define C_OPTIMIZE_SWITCH -O
1240 #endif
1241 #endif
1242
1243 #ifndef LD_SWITCH_MACHINE
1244 #define LD_SWITCH_MACHINE
1245 #endif
1246
1247 #ifndef LD_SWITCH_SYSTEM
1248 #define LD_SWITCH_SYSTEM
1249 #endif
1250
1251 #ifndef LD_SWITCH_X_SITE_AUX
1252 #define LD_SWITCH_X_SITE_AUX
1253 #endif
1254
1255 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1256 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1257
1258 #ifdef THIS_IS_CONFIGURE
1259
1260 /* Get the CFLAGS for tests in configure.  */
1261 #ifdef __GNUC__
1262 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1263 #else
1264 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1265 #endif
1266
1267 #else /* not THIS_IS_CONFIGURE */
1268
1269 /* Get the CFLAGS for real compilation.  */
1270 #ifdef __GNUC__
1271 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1272 #else
1273 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1274 #endif
1275
1276 #endif /* not THIS_IS_CONFIGURE */
1277 ' > ${tempcname}
1278
1279 # The value of CPP is a quoted variable reference, so we need to do this
1280 # to get its actual value...
1281 CPP=`eval "echo $CPP"`
1282 changequote(, )dnl
1283 eval `${CPP} -Isrc ${tempcname} \
1284        | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1285 if test "x$SPECIFIED_CFLAGS" = x; then
1286   eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1287          | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1288 else
1289   REAL_CFLAGS="$CFLAGS"
1290 fi
1291 changequote([, ])dnl
1292 rm ${tempcname}
1293
1294 ac_link="$ac_link $ld_switch_machine $ld_switch_system"
1295
1296 ### Make sure subsequent tests use flags consistent with the build flags.
1297
1298 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1299   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1300 else
1301   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1302 fi
1303
1304 dnl Do this early because it can frob feature test macros for Unix-98 &c.
1305 AC_SYS_LARGEFILE
1306
1307 # Sound support for GNU/Linux and the free BSDs.
1308 AC_CHECK_HEADERS(machine/soundcard.h sys/soundcard.h soundcard.h)
1309 # Emulation library used on NetBSD.
1310 AC_CHECK_LIB(ossaudio, _oss_ioctl, LIBSOUND=-lossaudio, LIBSOUND=)
1311 AC_SUBST(LIBSOUND)
1312
1313 dnl checks for header files
1314 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h \
1315   linux/version.h sys/systeminfo.h termios.h limits.h string.h stdlib.h \
1316   termcap.h stdio_ext.h fcntl.h term.h strings.h)
1317 AC_HEADER_STDC
1318 AC_HEADER_TIME
1319 AC_DECL_SYS_SIGLIST
1320 AC_HEADER_SYS_WAIT
1321
1322 dnl Some systems have utime.h but don't declare the struct anyplace.
1323 AC_CACHE_CHECK(for struct utimbuf, emacs_cv_struct_utimbuf,
1324 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1325 #include <sys/time.h>
1326 #include <time.h>
1327 #else
1328 #ifdef HAVE_SYS_TIME_H
1329 #include <sys/time.h>
1330 #else
1331 #include <time.h>
1332 #endif
1333 #endif
1334 #ifdef HAVE_UTIME_H
1335 #include <utime.h>
1336 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1337   emacs_cv_struct_utimbuf=yes, emacs_cv_struct_utimbuf=no))
1338 if test $emacs_cv_struct_utimbuf = yes; then
1339   AC_DEFINE(HAVE_STRUCT_UTIMBUF)
1340 fi
1341
1342 dnl checks for typedefs
1343 AC_TYPE_SIGNAL
1344
1345 dnl Check for speed_t typedef.
1346 AC_CACHE_CHECK(for speed_t, emacs_cv_speed_t,
1347 AC_TRY_COMPILE([#include <termios.h>], [speed_t x = 1;],
1348   emacs_cv_speed_t=yes))
1349 if test $emacs_cv_speed_t = yes; then
1350   AC_DEFINE(HAVE_SPEED_T)
1351 fi
1352
1353 AC_CACHE_CHECK(for struct timeval, emacs_cv_struct_timeval,
1354 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1355 #include <sys/time.h>
1356 #include <time.h>
1357 #else
1358 #ifdef HAVE_SYS_TIME_H
1359 #include <sys/time.h>
1360 #else
1361 #include <time.h>
1362 #endif
1363 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1364   emacs_cv_struct_timeval=yes, emacs_cv_struct_timeval=no))
1365 HAVE_TIMEVAL=$emacs_cv_struct_timeval
1366 if test $emacs_cv_struct_timeval = yes; then
1367   AC_DEFINE(HAVE_TIMEVAL)
1368 fi
1369
1370 AC_CACHE_CHECK(for struct exception, emacs_cv_struct_exception,
1371 AC_TRY_COMPILE([#include <math.h>],
1372 [static struct exception x; x.arg1 = x.arg2 = x.retval; x.name = ""; x.type = 1;],
1373   emacs_cv_struct_exception=yes, emacs_cv_struct_exception=no))
1374 HAVE_EXCEPTION=$emacs_cv_struct_exception
1375 if test $emacs_cv_struct_exception != yes; then
1376   AC_DEFINE(NO_MATHERR)
1377 fi
1378
1379 dnl checks for structure members
1380 AC_STRUCT_TM
1381 AC_STRUCT_TIMEZONE
1382 AC_CACHE_CHECK(for tm_gmtoff in struct tm, emacs_cv_tm_gmtoff,
1383 AC_TRY_LINK([#include <time.h>], [struct tm t; t.tm_gmtoff = 0],
1384   emacs_cv_tm_gmtoff=yes,
1385   emacs_cv_tm_gmtoff=no))
1386 if test $emacs_cv_tm_gmtoff = yes; then
1387   AC_DEFINE(HAVE_TM_GMTOFF)
1388 fi
1389
1390 dnl checks for compiler characteristics
1391
1392 dnl Testing __STDC__ to determine prototype support isn't good enough.
1393 dnl DEC C, for instance, doesn't define it with default options, and
1394 dnl is used on 64-bit systems (OSF Alphas).  Similarly for volatile
1395 dnl and void *.
1396 AC_C_PROTOTYPES
1397 AC_C_VOLATILE
1398 AC_C_CONST
1399 dnl This isn't useful because we can't turn on use of `inline' unless
1400 dnl the compiler groks `extern inline'.
1401 dnl AC_C_INLINE
1402 AC_CACHE_CHECK([for void * support], emacs_cv_void_star,
1403   [AC_TRY_COMPILE(, [void * foo;],
1404                    emacs_cv_void_star=yes, emacs_cv_void_star=no)])
1405 if test $emacs_cv_void_star = yes; then
1406   AC_DEFINE(POINTER_TYPE, void)
1407 else
1408   AC_DEFINE(POINTER_TYPE, char)
1409 fi
1410
1411 dnl check for Make feature
1412 AC_PROG_MAKE_SET
1413
1414 dnl checks for operating system services
1415 AC_SYS_LONG_FILE_NAMES
1416
1417 #### Choose a window system.
1418
1419 AC_PATH_X
1420 if test "$no_x" = yes; then
1421   window_system=none
1422 else
1423   window_system=x11
1424 fi
1425
1426 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1427   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1428   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1429   x_default_search_path=""
1430   for x_library in `echo ${x_libraries} | sed -e "s/:/ /g"`; do
1431     x_search_path="${x_library}/X11/%L/%T/%N%C%S:\
1432 ${x_library}/X11/%L/%T/%N%C%S:${x_libary}/X11/%l/%T/%N%C%S:\
1433 ${x_library}/X11/%T/%N%C%S:${x_library}/X11/%L/%T/%N%S:\
1434 ${x_library}/X11/%l/%T/%N%S:${x_library}/X11/%T/%N%S"
1435     if test x"${x_default_search_path}" = x; then
1436       x_default_search_path=${x_search_path}
1437     else
1438       x_default_search_path="${x_search_path}:${x_default_search_path}"
1439     fi
1440   done
1441 fi
1442 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1443   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1444 fi
1445
1446 if test x"${x_includes}" = x; then
1447   bitmapdir=/usr/include/X11/bitmaps
1448 else
1449   # accumulate include directories that have X11 bitmap subdirectories
1450   bmd_acc="dummyval"
1451   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1452     if test -d "${bmd}/X11/bitmaps"; then
1453       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1454     fi
1455     if test -d "${bmd}/bitmaps"; then
1456       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1457     fi
1458   done
1459   if test ${bmd_acc} != "dummyval"; then
1460     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1461   fi
1462 fi
1463
1464 case "${window_system}" in
1465   x11 )
1466     HAVE_X_WINDOWS=yes
1467     HAVE_X11=yes
1468     case "${with_x_toolkit}" in
1469       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1470       motif ) USE_X_TOOLKIT=MOTIF ;;
1471 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1472       no ) USE_X_TOOLKIT=none ;;
1473 dnl If user did not say whether to use a toolkit,
1474 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1475       * ) USE_X_TOOLKIT=maybe ;;
1476     esac
1477   ;;
1478   none )
1479     HAVE_X_WINDOWS=no
1480     HAVE_X11=no
1481     USE_X_TOOLKIT=none
1482   ;;
1483 esac
1484
1485 ### If we're using X11, we should use the X menu package.
1486 HAVE_MENUS=no
1487 case ${HAVE_X11} in
1488   yes ) HAVE_MENUS=yes ;;
1489 esac
1490
1491 if test "${opsys}" = "hpux9"; then
1492   case "${x_libraries}" in
1493     *X11R4* )
1494       opsysfile="s/hpux9-x11r4.h"
1495       ;;
1496   esac
1497 fi
1498
1499 if test "${opsys}" = "hpux9shr"; then
1500   case "${x_libraries}" in
1501     *X11R4* )
1502       opsysfile="s/hpux9shxr4.h"
1503       ;;
1504   esac
1505 fi
1506
1507 ### Compute the unexec source name from the object name.
1508 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1509
1510 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1511 # Assume not, until told otherwise.
1512 GNU_MALLOC=yes
1513 doug_lea_malloc=yes
1514 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1515 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1516 AC_CACHE_CHECK(whether __after_morecore_hook exists,
1517                emacs_cv_var___after_morecore_hook,
1518 AC_TRY_LINK([extern void (* __after_morecore_hook)();],[__after_morecore_hook = 0],
1519   emacs_cv_var___after_morecore_hook=yes,
1520   emacs_cv_var___after_morecore_hook=no))
1521 if test $emacs_cv_var___after_morecore_hook = no; then
1522   doug_lea_malloc=no
1523 fi
1524 if test "${system_malloc}" = "yes"; then
1525   GNU_MALLOC=no
1526   GNU_MALLOC_reason="
1527     (The GNU allocators don't work with this system configuration.)"
1528 fi
1529 if test "$doug_lea_malloc" = "yes" ; then
1530   if test "$GNU_MALLOC" = yes ; then
1531     GNU_MALLOC_reason="
1532       (Using Doug Lea's new malloc from the GNU C Library.)"
1533   fi
1534   AC_DEFINE(DOUG_LEA_MALLOC)
1535 fi
1536
1537 if test x"${REL_ALLOC}" = x; then
1538   REL_ALLOC=${GNU_MALLOC}
1539 fi
1540
1541 LIBS="$libsrc_libs $LIBS"
1542
1543 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1544 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1545 AC_CHECK_LIB(dnet, dnet_ntoa)
1546 dnl This causes -lresolv to get used in subsequent tests,
1547 dnl which causes failures on some systems such as HPUX 9.
1548 dnl AC_CHECK_LIB(resolv, gethostbyname)
1549
1550 dnl FIXME replace main with a function we actually want from this library.
1551 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1552
1553 AC_CHECK_LIB(pthreads, cma_open)
1554
1555 AC_MSG_CHECKING(for XFree86 in /usr/X386)
1556 if test -d /usr/X386/include; then
1557   HAVE_XFREE386=yes
1558   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1559 else
1560   HAVE_XFREE386=no
1561 fi
1562 AC_MSG_RESULT($HAVE_XFREE386)
1563
1564 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1565 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1566
1567 REAL_CPPFLAGS="$CPPFLAGS"
1568
1569 if test "${HAVE_X11}" = "yes"; then
1570   DEFS="$C_SWITCH_X_SITE $DEFS"
1571   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1572   LIBS="$LIBX $LIBS"
1573   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1574   CPPFLAGS="$C_SWITCH_X_SITE $CPPFLAGS"
1575
1576   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1577   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1578   # but it's more convenient here to set LD_RUN_PATH
1579   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1580   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1581     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1582     export LD_RUN_PATH
1583   fi
1584
1585   if test "${opsys}" = "gnu-linux"; then
1586     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1587     AC_TRY_LINK([],
1588      [XOpenDisplay ("foo");],
1589      [xlinux_first_failure=no],
1590      [xlinux_first_failure=yes])
1591     if test "${xlinux_first_failure}" = "yes"; then
1592       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1593       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1594       OLD_CPPFLAGS="$CPPFLAGS"
1595       OLD_LIBS="$LIBS"
1596       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1597       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1598       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1599       LIBS="$LIBS -b i486-linuxaout"
1600       AC_TRY_LINK([],
1601        [XOpenDisplay ("foo");],
1602        [xlinux_second_failure=no],
1603        [xlinux_second_failure=yes])
1604       if test "${xlinux_second_failure}" = "yes"; then
1605         # If we get the same failure with -b, there is no use adding -b.
1606         # So take it out.  This plays safe.
1607         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1608         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1609         CPPFLAGS="$OLD_CPPFLAGS"
1610         LIBS="$OLD_LIBS"
1611         AC_MSG_RESULT(no)
1612       else
1613         AC_MSG_RESULT(yes)
1614       fi
1615     else
1616       AC_MSG_RESULT(no)
1617     fi
1618   fi
1619
1620   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1621 XScreenNumberOfScreen XSetWMProtocols)
1622 fi
1623
1624 if test "${window_system}" = "x11"; then
1625   AC_MSG_CHECKING(X11 version 6)
1626   AC_CACHE_VAL(emacs_cv_x11_version_6,
1627   AC_TRY_LINK([#include <X11/Xlib.h>],
1628 [#if XlibSpecificationRelease < 6
1629 fail;
1630 #endif
1631 ], emacs_cv_x11_version_6=yes, emacs_cv_x11_version_6=no))
1632   if test $emacs_cv_x11_version_6 = yes; then
1633     AC_MSG_RESULT(6 or newer)
1634     AC_DEFINE(HAVE_X11R6)
1635   else
1636     AC_MSG_RESULT(before 6)
1637   fi
1638 fi
1639
1640 if test "${window_system}" = "x11"; then
1641   AC_MSG_CHECKING(X11 version 5)
1642   AC_CACHE_VAL(emacs_cv_x11_version_5,
1643   AC_TRY_LINK([#include <X11/Xlib.h>],
1644 [#if XlibSpecificationRelease < 5
1645 fail;
1646 #endif
1647 ], emacs_cv_x11_version_5=yes, emacs_cv_x11_version_5=no))
1648   if test $emacs_cv_x11_version_5 = yes; then
1649     AC_MSG_RESULT(5 or newer)
1650     HAVE_X11R5=yes
1651     AC_DEFINE(HAVE_X11R5)
1652   else
1653     HAVE_X11R5=no
1654     AC_MSG_RESULT(before 5)
1655   fi
1656 fi
1657
1658 dnl Do not put whitespace before the #include statements below.
1659 dnl Older compilers (eg sunos4 cc) choke on it.
1660 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1661   if test x"${HAVE_X11R5}" = xyes; then
1662     AC_MSG_CHECKING(X11 version 5 with Xaw)
1663     AC_CACHE_VAL(emacs_cv_x11_version_5_with_xaw,
1664     AC_TRY_LINK([
1665 #include <X11/Intrinsic.h>
1666 #include <X11/Xaw/Simple.h>],
1667       [],
1668       emacs_cv_x11_version_5_with_xaw=yes,
1669       emacs_cv_x11_version_5_with_xaw=no))
1670     if test $emacs_cv_x11_version_5_with_xaw = yes; then
1671       AC_MSG_RESULT([5 or newer, with Xaw; use toolkit by default])
1672       USE_X_TOOLKIT=LUCID
1673     else
1674       AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1675       USE_X_TOOLKIT=none
1676     fi
1677   else
1678     USE_X_TOOLKIT=none
1679   fi
1680 fi
1681
1682 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1683
1684 if test "${USE_X_TOOLKIT}" != "none"; then
1685   AC_MSG_CHECKING(X11 toolkit version)
1686   AC_CACHE_VAL(emacs_cv_x11_toolkit_version_6,
1687   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1688 [#if XtSpecificationRelease < 6
1689 fail;
1690 #endif
1691 ], emacs_cv_x11_toolkit_version_6=yes, emacs_cv_x11_toolkit_version_6=no))
1692   HAVE_X11XTR6=$emacs_cv_x11_toolkit_version_6
1693   if test $emacs_cv_x11_toolkit_version_6 = yes; then
1694     AC_MSG_RESULT(6 or newer)
1695     AC_DEFINE(HAVE_X11XTR6)
1696   else
1697     AC_MSG_RESULT(before 6)
1698   fi
1699
1700 dnl If using toolkit, check whether libXmu.a exists.
1701 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1702   OLDLIBS="$LIBS"
1703   if test x$HAVE_X11XTR6 = xyes; then
1704     LIBS="-lXt -lSM -lICE $LIBS"
1705   else
1706     LIBS="-lXt $LIBS"
1707   fi
1708   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1709   LIBS="$OLDLIBS"
1710 fi
1711
1712 if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1713   AC_CACHE_CHECK(for Motif version 2.1, emacs_cv_motif_version_2_1,
1714   AC_TRY_COMPILE([#include <Xm/Xm.h>],
1715     [#if XmVERSION > 2 || (XmVERSION == 2 && XmREVISION >= 1)
1716 int x = 5;
1717 #else
1718 Motif version prior to 2.1.
1719 #endif],
1720     emacs_cv_motif_version_2_1=yes, emacs_cv_motif_version_2_1=no))
1721   HAVE_MOTIF_2_1=$emacs_cv_motif_version_2_1
1722   if test $emacs_cv_motif_version_2_1 = yes; then
1723     AC_DEFINE(HAVE_MOTIF_2_1)
1724     AC_CHECK_LIB(Xp, XpCreateContext, HAVE_LIBXP=yes, , -lXext)
1725     if test ${HAVE_LIBXP} = yes; then
1726       AC_DEFINE(HAVE_LIBXP)
1727     fi
1728   fi
1729 fi
1730
1731 ### Is -lXaw3d available?
1732 HAVE_XAW3D=no
1733 if test "${HAVE_X11}" = "yes"; then
1734   if test "${USE_X_TOOLKIT}" != "none"; then
1735     old_c_flags="${CFLAGS}"
1736     CFLAGS="${LD_SWITCH_X_SITE}"
1737     AC_CHECK_HEADER(X11/Xaw3d/Scrollbar.h,
1738         AC_CHECK_LIB(Xaw3d, XawScrollbarSetThumb, HAVE_XAW3D=yes, , -lX11))
1739     CFLAGS="${old_c_flags}"
1740
1741     if test "${HAVE_XAW3D}" = "yes"; then
1742         AC_DEFINE(HAVE_XAW3D)
1743     fi
1744   fi
1745 fi
1746
1747 dnl Use toolkit scroll bars if configured for X toolkit and either
1748 dnl using Motif or Xaw3d is available, and unless
1749 dnl --with-toolkit-scroll-bars=no was specified.
1750
1751 USE_TOOLKIT_SCROLL_BARS=no
1752 if test "${with_toolkit_scroll_bars}" != "no"; then
1753   if test "${USE_X_TOOLKIT}" != "none"; then
1754     if test "${USE_X_TOOLKIT}" = "MOTIF"; then
1755       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1756       HAVE_XAW3D=no
1757       USE_TOOLKIT_SCROLL_BARS=yes
1758     elif test "${HAVE_XAW3D}" = "yes"; then
1759       AC_DEFINE(USE_TOOLKIT_SCROLL_BARS)
1760       USE_TOOLKIT_SCROLL_BARS=yes
1761     fi
1762   fi
1763 fi
1764
1765 dnl Don't use X11 input methods if user specifies he doesn't want it
1766 dnl with `--with-xim=no'.
1767
1768 if test "${with_xim}" != "no"; then
1769   AC_DEFINE(USE_XIM)
1770 fi
1771
1772 ### Use -lXpm if available, unless `--with-xpm=no'.
1773 HAVE_XPM=no
1774 if test "${HAVE_X11}" = "yes"; then
1775   if test "${with_xpm}" != "no"; then
1776     old_c_flags="${CFLAGS}"
1777     CFLAGS="${LD_SWITCH_X_SITE}"
1778     AC_CHECK_HEADER(X11/xpm.h,
1779       AC_CHECK_LIB(Xpm, XpmReadFileToPixmap, HAVE_XPM=yes, , -lX11))
1780     if test "${HAVE_XPM}" = "yes"; then
1781        AC_EGREP_CPP(no_return_alloc_pixels,
1782        [#include "X11/xpm.h"
1783 #ifndef XpmReturnAllocPixels
1784 no_return_alloc_pixels
1785 #endif
1786         ], HAVE_XPM=no, HAVE_XPM=yes)
1787     fi
1788     CFLAGS="${old_c_flags}"
1789   fi
1790
1791   if test "${HAVE_XPM}" = "yes"; then
1792     AC_DEFINE(HAVE_XPM)
1793   fi
1794 fi
1795
1796 ### Use -ljpeg if available, unless `--with-jpeg=no'.
1797 HAVE_JPEG=no
1798 if test "${HAVE_X11}" = "yes"; then
1799   if test "${with_jpeg}" != "no"; then
1800     old_c_flags="${CFLAGS}"
1801     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1802     dnl Checking for jpeglib.h can lose becsue of a redefinition of
1803     dnl  HAVE_STDLIB_H.
1804     AC_CHECK_HEADER(jerror.h,
1805       AC_CHECK_LIB(jpeg, jpeg_destroy_compress, HAVE_JPEG=yes, , -lX11))
1806     CFLAGS="${old_c_flags}"
1807   fi
1808
1809   if test "${HAVE_JPEG}" = "yes"; then
1810     AC_DEFINE(HAVE_JPEG)
1811   fi
1812 fi
1813
1814 ### Use -lpng if available, unless `--with-png=no'.
1815 HAVE_PNG=no
1816 if test "${HAVE_X11}" = "yes"; then
1817   if test "${with_png}" != "no"; then
1818     old_c_flags="${CFLAGS}"
1819     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1820     AC_CHECK_HEADER(png.h,
1821       AC_CHECK_LIB(png, png_set_expand, HAVE_PNG=yes, , -lX11 -lz -lm))
1822     CFLAGS="${old_c_flags}"
1823   fi
1824
1825   if test "${HAVE_PNG}" = "yes"; then
1826     AC_DEFINE(HAVE_PNG)
1827   fi
1828 fi
1829
1830 ### Use -ltiff if available, unless `--with-tiff=no'.
1831 HAVE_TIFF=no
1832 if test "${HAVE_X11}" = "yes"; then
1833   if test "${with_tiff}" != "no"; then
1834     old_c_flags="${CFLAGS}"
1835     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1836     AC_CHECK_HEADER(tiffio.h,
1837       tifflibs="-lX11 -lz -lm"
1838       # At least one tiff package requires the jpeg library.
1839       if test "${HAVE_JPEG}" = yes; then tifflibs="-ljpeg $tifflibs"; fi
1840       AC_CHECK_LIB(tiff, TIFFGetVersion, HAVE_TIFF=yes, , $tifflibs))
1841     CFLAGS="${old_c_flags}"
1842   fi
1843
1844   if test "${HAVE_TIFF}" = "yes"; then
1845     AC_DEFINE(HAVE_TIFF)
1846   fi
1847 fi
1848
1849 ### Use -lgif if available, unless `--with-gif=no'.
1850 HAVE_GIF=no
1851 if test "${HAVE_X11}" = "yes"; then
1852   if test "${with_gif}" != "no"; then
1853     old_c_flags="${CFLAGS}"
1854     CFLAGS="${LD_SWITCH_X_SITE} ${CFLAGS}"
1855     AC_CHECK_HEADER(gif_lib.h,
1856       AC_CHECK_LIB(ungif, DGifOpen, HAVE_GIF=yes, , -lX11))
1857     CFLAGS="${old_c_flags}"
1858   fi
1859
1860   if test "${HAVE_GIF}" = "yes"; then
1861     AC_DEFINE(HAVE_GIF)
1862   fi
1863 fi
1864
1865 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1866 AC_CACHE_CHECK(whether netdb declares h_errno,
1867                emacs_cv_netdb_declares_h_errno,
1868 AC_TRY_LINK([#include <netdb.h>],
1869   [return h_errno;],
1870   emacs_cv_netdb_declares_h_errno=yes, emacs_cv_netdb_declares_h_errno=no))
1871 if test $emacs_cv_netdb_declares_h_errno = yes; then
1872   AC_DEFINE(HAVE_H_ERRNO)
1873 fi
1874
1875 AC_FUNC_ALLOCA
1876
1877 # fmod, logb, and frexp are found in -lm on most systems.
1878 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1879 AC_CHECK_LIB(m, sqrt)
1880
1881 # Check for mail-locking functions in a "mail" library
1882 AC_CHECK_LIB(mail, maillock)
1883 dnl Debian, at least:
1884 dnl AC_CHECK_LIB(lockfile, maillock, [AC_DEFINE(HAVE_LIBMAIL)])
1885 AC_CHECK_LIB(lockfile, maillock)
1886 # If we have the shared liblockfile, assume we must use it for mail
1887 # locking (e.g. Debian).  If we couldn't link against liblockfile
1888 # (no liblockfile.a installed), ensure that we don't need to.
1889 if test "$ac_cv_lib_lockfile_maillock" = no; then
1890   dnl This works for files generally, not just executables.
1891   dnl Should we look elsewhere for it?  Maybe examine /etc/ld.so.conf?
1892   AC_CHECK_PROG(liblockfile, liblockfile.so, yes, no,
1893                 /usr/lib:/lib:/usr/local/lib:$LD_LIBRARY_PATH)
1894   if test $ac_cv_prog_liblockfile = yes; then
1895     AC_MSG_ERROR([Shared liblockfile found but can't link against it.
1896 This probably means that movemail could lose mail.
1897 There may be a \`development' package to install containing liblockfile.])
1898   else AC_DEFINE(LIBMAIL, -llockfile)
1899   fi
1900   else :
1901 fi
1902 AC_CHECK_FUNCS(touchlock)
1903 AC_CHECK_HEADERS(maillock.h)
1904
1905 AC_CHECK_FUNCS(gethostname getdomainname dup2 \
1906 rename closedir mkdir rmdir sysinfo \
1907 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1908 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1909 utimes setrlimit setpgid getcwd getwd shutdown strftime getaddrinfo \
1910 __fpending mblen mbrlen strsignal setitimer ualarm index rindex)
1911
1912 AC_FUNC_MKTIME
1913 if test "$ac_cv_func_working_mktime" = no; then
1914   AC_DEFINE(BROKEN_MKTIME)
1915 fi
1916
1917 AC_FUNC_GETLOADAVG
1918
1919 AC_CHECK_FUNCS(ftello)
1920
1921 # UNIX98 PTYs.  AC_SYS_LARGEFILE should have defined _XOPEN_SOURCE
1922 # if we need it.
1923 AC_CHECK_FUNCS(grantpt)
1924
1925 # PTY-related GNU extensions.
1926 AC_CHECK_FUNCS(getpt)
1927
1928 # Check this now, so that we will NOT find the above functions in ncurses.
1929 # That is because we have not set up to link ncurses in lib-src.
1930 # It's better to believe a function is not available
1931 # than to expect to find it in ncurses.
1932 AC_CHECK_LIB(ncurses, tparm)
1933
1934 # These tell us which Kerberos-related libraries to use.
1935 if test "${with_kerberos+set}" = set; then
1936   AC_CHECK_LIB(com_err, com_err)
1937   AC_CHECK_LIB(k5crypto, mit_des_cbc_encrypt)
1938   AC_CHECK_LIB(crypto, mit_des_cbc_encrypt)
1939   AC_CHECK_LIB(krb5, krb5_init_context)
1940   if test "${with_kerberos5+set}" != set; then
1941     AC_CHECK_LIB(des425, des_cbc_encrypt,,
1942                  AC_CHECK_LIB(des, des_cbc_encrypt))
1943     AC_CHECK_LIB(krb4, krb_get_cred,,
1944                  AC_CHECK_LIB(krb, krb_get_cred))
1945   fi
1946
1947   if test "${with_kerberos5+set}" = set; then
1948     AC_CHECK_HEADERS(krb5.h)
1949   else
1950     AC_CHECK_HEADERS(des.h,,
1951                      AC_CHECK_HEADERS(kerberosIV/des.h,,
1952                                       AC_CHECK_HEADERS(kerberos/des.h)))
1953     AC_CHECK_HEADERS(krb.h,,
1954                      AC_CHECK_HEADERS(kerberosIV/krb.h,,
1955                                       AC_CHECK_HEADERS(kerberos/krb.h)))
1956   fi
1957   AC_CHECK_HEADERS(com_err.h)
1958 fi
1959
1960 # Solaris requires -lintl if you want strerror (which calls dgettext)
1961 # to return localized messages.
1962 AC_CHECK_LIB(intl, dgettext)
1963
1964 AC_MSG_CHECKING(whether localtime caches TZ)
1965 AC_CACHE_VAL(emacs_cv_localtime_cache,
1966 [if test x$ac_cv_func_tzset = xyes; then
1967 AC_TRY_RUN([#include <time.h>
1968 extern char **environ;
1969 unset_TZ ()
1970 {
1971   char **from, **to;
1972   for (to = from = environ; (*to = *from); from++)
1973     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1974       to++;
1975 }
1976 char TZ_GMT0[] = "TZ=GMT0";
1977 char TZ_PST8[] = "TZ=PST8";
1978 main()
1979 {
1980   time_t now = time ((time_t *) 0);
1981   int hour_GMT0, hour_unset;
1982   if (putenv (TZ_GMT0) != 0)
1983     exit (1);
1984   hour_GMT0 = localtime (&now)->tm_hour;
1985   unset_TZ ();
1986   hour_unset = localtime (&now)->tm_hour;
1987   if (putenv (TZ_PST8) != 0)
1988     exit (1);
1989   if (localtime (&now)->tm_hour == hour_GMT0)
1990     exit (1);
1991   unset_TZ ();
1992   if (localtime (&now)->tm_hour != hour_unset)
1993     exit (1);
1994   exit (0);
1995 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1996 [# If we have tzset, assume the worst when cross-compiling.
1997 emacs_cv_localtime_cache=yes])
1998 else
1999         # If we lack tzset, report that localtime does not cache TZ,
2000         # since we can't invalidate the cache if we don't have tzset.
2001         emacs_cv_localtime_cache=no
2002 fi])dnl
2003 AC_MSG_RESULT($emacs_cv_localtime_cache)
2004 if test $emacs_cv_localtime_cache = yes; then
2005   AC_DEFINE(LOCALTIME_CACHE)
2006 fi
2007
2008 if test "x$HAVE_TIMEVAL" = xyes; then
2009   AC_CHECK_FUNCS(gettimeofday)
2010   AC_CACHE_CHECK(whether gettimeofday can accept two arguments,
2011                  emacs_cv_gettimeofday_two_arguments,
2012   AC_TRY_COMPILE([
2013 #ifdef TIME_WITH_SYS_TIME
2014 #include <sys/time.h>
2015 #include <time.h>
2016 #else
2017 #ifdef HAVE_SYS_TIME_H
2018 #include <sys/time.h>
2019 #else
2020 #include <time.h>
2021 #endif
2022 #endif],
2023     [struct timeval time;
2024      gettimeofday (&time, 0);],
2025     emacs_cv_gettimeofday_two_arguments=yes,
2026     emacs_cv_gettimeofday_two_arguments=no))
2027   if test $emacs_cv_gettimeofday_two_arguments = no; then
2028     AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)
2029   fi
2030 fi
2031
2032 dnl Note that AC_STRUCT_TIMEZONE doesn't do what you might expect.
2033 if test "$ac_cv_func_gettimeofday" = yes; then
2034   AC_CACHE_CHECK([for struct timezone], emacs_cv_struct_timezone,
2035     [AC_TRY_COMPILE([#include <sys/time.h>],
2036     [struct timezone tz;],
2037     dnl It may be that we can't call gettimeofday with a non-null pointer,
2038     dnl even though we have struct timezone (e.g. HPUX).  In that case
2039     dnl we'll lie about struct timezone.
2040     [AC_TRY_RUN([
2041 #ifdef TIME_WITH_SYS_TIME
2042 #include <sys/time.h>
2043 #include <time.h>
2044 #else
2045 #ifdef HAVE_SYS_TIME_H
2046 #include <sys/time.h>
2047 #else
2048 #include <time.h>
2049 #endif
2050 #endif
2051 main () {
2052   struct timeval time;
2053   struct timezone dummy;
2054   exit (gettimeofday (&time, &dummy));
2055 }],
2056       emacs_cv_struct_timezone=yes,
2057       emacs_cv_struct_timezone=no, emacs_cv_struct_timezone=yes)],
2058     emacs_cv_struct_timezone=no)])
2059 fi
2060
2061 ok_so_far=yes
2062 AC_CHECK_FUNC(socket, , ok_so_far=no)
2063 if test $ok_so_far = yes; then
2064   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
2065 fi
2066 if test $ok_so_far = yes; then
2067   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
2068 fi
2069 if test $ok_so_far = yes; then
2070   AC_DEFINE(HAVE_INET_SOCKETS)
2071 fi
2072
2073 if test -f /usr/lpp/X11/bin/smt.exp; then
2074   AC_DEFINE(HAVE_AIX_SMT_EXP)
2075 fi
2076
2077 AC_MSG_CHECKING(whether system supports dynamic ptys)
2078 if test -d /dev/pts && ls -d /dev/ptmx > /dev/null 2>&1 ; then
2079   AC_MSG_RESULT(yes)
2080   AC_DEFINE(HAVE_DEV_PTMX)
2081 else
2082   AC_MSG_RESULT(no)
2083 fi
2084
2085 AC_FUNC_VFORK
2086
2087 # Fixme: This should be replaced when we have autoconf 2.14.
2088 AC_SIZE_T
2089
2090 # Set up the CFLAGS for real compilation, so we can substitute it.
2091 CFLAGS="$REAL_CFLAGS"
2092 CPPFLAGS="$REAL_CPPFLAGS"
2093
2094 changequote(, )dnl
2095 #### Find out which version of Emacs this is.
2096 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
2097          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
2098 changequote([, ])dnl
2099 if test x"${version}" = x; then
2100   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
2101 fi
2102
2103 ### Specify what sort of things we'll be editing into Makefile and config.h.
2104 ### Use configuration here uncanonicalized to avoid exceeding size limits.
2105 AC_SUBST(version)
2106 AC_SUBST(configuration)
2107 AC_SUBST(canonical)
2108 AC_SUBST(srcdir)
2109 AC_SUBST(prefix)
2110 AC_SUBST(exec_prefix)
2111 AC_SUBST(bindir)
2112 AC_SUBST(datadir)
2113 AC_SUBST(sharedstatedir)
2114 AC_SUBST(libexecdir)
2115 AC_SUBST(mandir)
2116 AC_SUBST(infodir)
2117 AC_SUBST(lispdir)
2118 AC_SUBST(locallisppath)
2119 AC_SUBST(lisppath)
2120 AC_SUBST(x_default_search_path)
2121 AC_SUBST(etcdir)
2122 AC_SUBST(archlibdir)
2123 AC_SUBST(docdir)
2124 AC_SUBST(bitmapdir)
2125 AC_SUBST(c_switch_system)
2126 AC_SUBST(c_switch_machine)
2127 AC_SUBST(LD_SWITCH_X_SITE)
2128 AC_SUBST(LD_SWITCH_X_SITE_AUX)
2129 AC_SUBST(C_SWITCH_X_SITE)
2130 AC_SUBST(CFLAGS)
2131 AC_SUBST(X_TOOLKIT_TYPE)
2132 AC_SUBST(machfile)
2133 AC_SUBST(opsysfile)
2134 AC_SUBST(GETLOADAVG_LIBS)
2135
2136 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
2137 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
2138 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
2139 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
2140 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
2141 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
2142 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
2143 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
2144
2145 if test "${HAVE_X_WINDOWS}" = "yes" ; then
2146   AC_DEFINE(HAVE_X_WINDOWS)
2147 fi
2148 if test "${USE_X_TOOLKIT}" != "none" ; then
2149   AC_DEFINE(USE_X_TOOLKIT)
2150 fi
2151 if test "${HAVE_X11}" = "yes" ; then
2152   AC_DEFINE(HAVE_X11)
2153 fi
2154 if test "${HAVE_XFREE386}" = "yes" ; then
2155   AC_DEFINE(HAVE_XFREE386)
2156 fi
2157 if test "${HAVE_MENUS}" = "yes" ; then
2158   AC_DEFINE(HAVE_MENUS)
2159 fi
2160 if test "${GNU_MALLOC}" = "yes" ; then
2161   AC_DEFINE(GNU_MALLOC)
2162 fi
2163 if test "${REL_ALLOC}" = "yes" ; then
2164   AC_DEFINE(REL_ALLOC)
2165 fi
2166
2167 #### Report on what we decided to do.
2168 echo "
2169 Configured for \`${canonical}'.
2170
2171   Where should the build process find the source code?    ${srcdir}
2172   What operating system and machine description files should Emacs use?
2173         \`${opsysfile}' and \`${machfile}'
2174   What compiler should emacs be built with?               ${CC} ${CFLAGS}
2175   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
2176   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
2177   What window system should Emacs use?                    ${window_system}
2178   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
2179
2180 if test -n "${x_includes}"; then
2181 echo "  Where do we find X Windows header files?                ${x_includes}"
2182 else
2183 echo "  Where do we find X Windows header files?                Standard dirs"
2184 fi
2185 if test -n "${x_libraries}"; then
2186 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
2187 else
2188 echo "  Where do we find X Windows libraries?                   Standard dirs"
2189 fi
2190
2191 echo "  Does Emacs use -lXaw3d?                                 ${HAVE_XAW3D}"
2192 echo "  Does Emacs use -lXpm?                                   ${HAVE_XPM}"
2193 echo "  Does Emacs use -ljpeg?                                  ${HAVE_JPEG}"
2194 echo "  Does Emacs use -ltiff?                                  ${HAVE_TIFF}"
2195 echo "  Does Emacs use -lungif?                                 ${HAVE_GIF}"
2196 echo "  Does Emacs use -lpng?                                   ${HAVE_PNG}"
2197 echo "  Does Emacs use X toolkit scroll bars?                   ${USE_TOOLKIT_SCROLL_BARS}"
2198 echo
2199
2200 # Remove any trailing slashes in these variables.
2201 changequote(, )dnl
2202 test "${prefix}" != NONE &&
2203   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
2204 test "${exec_prefix}" != NONE &&
2205   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
2206 changequote([, ])dnl
2207
2208 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
2209         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in \
2210         lisp/Makefile leim/Makefile, [
2211
2212 ### Make the necessary directories, if they don't exist.
2213 for dir in etc lisp ; do
2214   test -d ${dir} || mkdir ${dir}
2215 done
2216
2217 # Build src/Makefile from ${srcdir}/src/Makefile.c
2218 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
2219 # This must be done after src/config.h is built, since we rely on that file.
2220
2221 changequote(, )dnl The horror, the horror.
2222 # Now get this: Some word that is part of the ${srcdir} directory name
2223 # or the ${configuration} value might, just might, happen to be an
2224 # identifier like `sun4' or `i386' or something, and be predefined by
2225 # the C preprocessor to some helpful value like 1, or maybe the empty
2226 # string.  Needless to say consequent macro substitutions are less
2227 # than conducive to the makefile finding the correct directory.
2228 undefs="`echo $top_srcdir $configuration $canonical |
2229 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
2230     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
2231 `"
2232 changequote([, ])dnl
2233
2234 echo creating src/epaths.h
2235 make epaths-force
2236
2237 echo creating lib-src/Makefile
2238 ( cd lib-src
2239   rm -f junk.c junk1.c junk2.c
2240   sed -e '/start of cpp stuff/q' \
2241       < Makefile.c > junk1.c
2242   sed -e '1,/start of cpp stuff/d'\
2243       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2244       < Makefile.c > junk.c
2245   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2246       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2247   cat junk1.c junk2.c > Makefile.new
2248   rm -f junk.c junk1.c junk2.c
2249   chmod 444 Makefile.new
2250   mv -f Makefile.new Makefile
2251 )
2252
2253 echo creating src/Makefile
2254 ( cd src
2255   rm -f junk.c junk1.c junk2.c
2256   sed -e '/start of cpp stuff/q' \
2257       < Makefile.c > junk1.c
2258   sed -e '1,/start of cpp stuff/d'\
2259       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
2260       < Makefile.c > junk.c
2261   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
2262       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
2263   cat junk1.c junk2.c > Makefile.new
2264   rm -f junk.c junk1.c junk2.c
2265   chmod 444 Makefile.new
2266   mv -f Makefile.new Makefile
2267 )
2268
2269 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
2270   echo creating src/.gdbinit
2271   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
2272 fi
2273
2274 # This is how we know whether to re-run configure in certain cases.
2275 touch src/config.stamp
2276
2277 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])