code.delx.au - gnu-emacs/blob - 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 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/${version}/etc'
  34 lockdir='${sharedstatedir}/emacs/lock'
  35 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
  36 docdir='${datadir}/emacs/${version}/etc'
  37
  38 AC_ARG_WITH(gcc,
  39 [  --with-gcc              use GCC to compile Emacs])
  40 AC_ARG_WITH(pop,
  41 [  --with-pop              support POP for mail retrieval],
  42 [AC_DEFINE(MAIL_USE_POP)])
  43 AC_ARG_WITH(kerberos,
  44 [  --with-kerberos         support Kerberos-authenticated POP],
  45 [AC_DEFINE(KERBEROS)])
  46 AC_ARG_WITH(hesiod,
  47 [  --with-hesiod           support Hesiod to get the POP server host],
  48 [AC_DEFINE(HESIOD)])
  49 dnl This should be the last --with option, because --with-x is
  50 dnl added later on when we find the path of X, and it's best to
  51 dnl keep them together visually.
  52 AC_ARG_WITH(x-toolkit,
  53 [  --with-x-toolkit=KIT    use an X toolkit (KIT = yes/lucid/athena/motif/no)],
  54 [         case "${withval}" in
  55             y | ye | yes )      val=athena ;;
  56             n | no )            val=no  ;;
  57             l | lu | luc | luci | lucid )       val=lucid ;;
  58             a | at | ath | athe | athen | athena )      val=athena ;;
  59             m | mo | mot | moti | motif )       val=motif ;;
  60 dnl These don't currently work.
  61 dnl         o | op | ope | open | open- | open-l | open-lo \
  62 dnl             | open-loo | open-look )        val=open-look ;;
  63             * )
  64 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
  65 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
  66 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
  67 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
  68 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
  69             ;;
  70           esac
  71           with_x_toolkit=$val
  72 ])
  73
  74 #### Make srcdir absolute, if it isn't already.  It's important to
  75 #### avoid running the path through pwd unnecessary, since pwd can
  76 #### give you automounter prefixes, which can go away.  We do all this
  77 #### so Emacs can find its files when run uninstalled.
  78 case "${srcdir}" in
  79   /* ) ;;
  80   . )
  81     ## We may be able to use the $PWD environment variable to make this
  82     ## absolute.  But sometimes PWD is inaccurate.
  83     ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
  84     CDPATH=
  85     if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`"  ;
  86     then
  87       srcdir="$PWD"
  88     else
  89       srcdir="`(cd ${srcdir}; pwd)`"
  90     fi
  91   ;;
  92   *  ) srcdir="`(cd ${srcdir}; pwd)`" ;;
  93 esac
  94
  95 #### Check if the source directory already has a configured system in it.
  96 if test `pwd` != `(cd ${srcdir} && pwd)` \
  97    && test -f "${srcdir}/src/config.h" ; then
  98   AC_MSG_WARN([The directory tree \`${srcdir}' is being used
  99    as a build directory right now; it has been configured in its own
 100    right.  To configure in another directory as well, you MUST
 101    use GNU make.  If you do not have GNU make, then you must
 102    now do \`make distclean' in ${srcdir},
 103    and then run $0 again.])
 104
 105 changequote(, )dnl
 106   extrasub='/^VPATH[     ]*=/c\
 107 changequote([, ])dnl
 108 vpath %.c $(srcdir)\
 109 vpath %.h $(srcdir)\
 110 vpath %.y $(srcdir)\
 111 vpath %.l $(srcdir)\
 112 vpath %.s $(srcdir)\
 113 vpath %.in $(srcdir)\
 114 vpath %.texi $(srcdir)'
 115 fi
 116
 117 #### Given the configuration name, set machfile and opsysfile to the
 118 #### names of the m/*.h and s/*.h files we should use.
 119
 120 ### Canonicalize the configuration name.
 121
 122 AC_CANONICAL_HOST
 123 canonical=$host
 124 configuration=$host_alias
 125
 126 changequote(, )dnl
 127
 128 ### If you add support for a new configuration, add code to this
 129 ### switch statement to recognize your configuration name and select
 130 ### the appropriate operating system and machine description files.
 131
 132 ### You would hope that you could choose an m/*.h file pretty much
 133 ### based on the machine portion of the configuration name, and an s-
 134 ### file based on the operating system portion.  However, it turns out
 135 ### that each m/*.h file is pretty manufacturer-specific - for
 136 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
 137 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
 138 ### machines.  So we basically have to have a special case for each
 139 ### configuration name.
 140 ###
 141 ### As far as handling version numbers on operating systems is
 142 ### concerned, make sure things will fail in a fixable way.  If
 143 ### /etc/MACHINES doesn't say anything about version numbers, be
 144 ### prepared to handle anything reasonably.  If version numbers
 145 ### matter, be sure /etc/MACHINES says something about it.
 146 ###
 147 ### Eric Raymond says we should accept strings like "sysvr4" to mean
 148 ### "System V Release 4"; he writes, "The old convention encouraged
 149 ### confusion between `system' and `release' levels'."
 150
 151 machine='' opsys='' unported=no
 152 case "${canonical}" in
 153
 154   ## NetBSD ports
 155   *-*-netbsd* )
 156     opsys=netbsd
 157     case "${canonical}" in
 158       alpha-*-netbsd*)  machine=alpha ;;
 159       i[3456]86-*-netbsd*) machine=intel386 ;;
 160       m68k-*-netbsd*)
 161                         # This is somewhat bogus.
 162                         machine=hp9000s300 ;;
 163       mips-*-netbsd*)   machine=pmax ;;
 164       ns32k-*-netbsd*)  machine=ns32000 ;;
 165       sparc-*-netbsd*)  machine=sparc ;;
 166       vax-*-netbsd*)    machine=vax ;;
 167     esac
 168   ;;
 169
 170   ## Acorn RISCiX:
 171   arm-acorn-riscix1.1* )
 172     machine=acorn opsys=riscix1-1
 173   ;;
 174   arm-acorn-riscix1.2* | arm-acorn-riscix )
 175     ## This name is riscix12 instead of riscix1.2
 176     ## to avoid a file name conflict on MSDOS.
 177     machine=acorn opsys=riscix12
 178   ;;
 179
 180   ## Alliant machines
 181   ## Strictly speaking, we need the version of the alliant operating
 182   ## system to choose the right machine file, but currently the
 183   ## configuration name doesn't tell us enough to choose the right
 184   ## one; we need to give alliants their own operating system name to
 185   ## do this right.  When someone cares, they can help us.
 186   fx80-alliant-* )
 187     machine=alliant4 opsys=bsd4-2
 188   ;;
 189   i860-alliant-* )
 190     machine=alliant-2800 opsys=bsd4-3
 191   ;;
 192
 193   ## Alpha (DEC) machines.
 194   alpha-dec-osf* )
 195     machine=alpha opsys=osf1
 196     # This is needed to find X11R6.1 libraries for certain tests.
 197     NON_GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 198     GCC_LINK_TEST_OPTIONS=-Wl,-rpath,/usr/X11R6/lib
 199   ;;
 200
 201   alpha-*-linux-gnu* )
 202     machine=alpha opsys=gnu-linux
 203   ;;
 204
 205   ## Altos 3068
 206   m68*-altos-sysv* )
 207     machine=altos opsys=usg5-2
 208   ;;
 209
 210   ## Amdahl UTS
 211   580-amdahl-sysv* )
 212     machine=amdahl opsys=usg5-2-2
 213   ;;
 214
 215   ## Apollo, Domain/OS
 216   m68*-apollo-* )
 217     machine=apollo opsys=bsd4-3
 218   ;;
 219
 220   ## AT&T 3b2, 3b5, 3b15, 3b20
 221   we32k-att-sysv* )
 222     machine=att3b opsys=usg5-2-2
 223   ;;
 224
 225   ## AT&T 3b1 - The Mighty Unix PC!
 226   m68*-att-sysv* )
 227     machine=7300 opsys=usg5-2-2
 228   ;;
 229
 230   ## Bull dpx20
 231   rs6000-bull-bosx* )
 232     machine=ibmrs6000 opsys=aix3-2
 233   ;;
 234
 235   ## Bull dpx2
 236   m68*-bull-sysv3* )
 237     machine=dpx2 opsys=usg5-3
 238   ;;
 239
 240   ## Bull sps7
 241   m68*-bull-sysv2* )
 242     machine=sps7 opsys=usg5-2
 243   ;;
 244
 245   ## CCI 5/32, 6/32 -- see "Tahoe".
 246
 247   ## Celerity
 248   ## I don't know what configuration name to use for this; config.sub
 249   ## doesn't seem to know anything about it.  Hey, Celerity users, get
 250   ## in touch with us!
 251   celerity-celerity-bsd* )
 252     machine=celerity opsys=bsd4-2
 253   ;;
 254
 255   ## Clipper
 256   ## What operating systems does this chip run that Emacs has been
 257   ## tested on?
 258   clipper-* )
 259     machine=clipper
 260     ## We'll use the catch-all code at the bottom to guess the
 261     ## operating system.
 262   ;;
 263
 264   ## Convex
 265   *-convex-bsd* | *-convex-convexos* )
 266     machine=convex opsys=bsd4-3
 267     ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
 268     NON_GNU_CPP="cc -E -P"
 269   ;;
 270
 271   ## Cubix QBx/386
 272   i[3456]86-cubix-sysv* )
 273     machine=intel386 opsys=usg5-3
 274   ;;
 275
 276   ## Cydra 5
 277   cydra*-cydrome-sysv* )
 278     machine=cydra5 opsys=usg5-3
 279   ;;
 280
 281   ## Data General AViiON Machines
 282   ## DG changed naming conventions with the release of 5.4.4.10, they
 283   ## dropped the initial 5.4 but left the intervening R.  Because of the
 284   ## R this shouldn't conflict with older versions of the OS (which I
 285   ## think were named like dgux4.*).
 286   m88k-dg-dguxR4.* | m88k-dg-dgux4* )
 287     machine=aviion opsys=dgux4
 288   ;;
 289   m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
 290     ## This name is dgux5-4-3 instead of dgux5-4r3
 291     ## to avoid a file name conflict on MSDOS.
 292     machine=aviion opsys=dgux5-4-3
 293   ;;
 294   m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
 295     machine=aviion opsys=dgux5-4r2
 296   ;;
 297   m88k-dg-dgux* )
 298     machine=aviion opsys=dgux
 299   ;;
 300
 301   ## DECstations
 302   mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
 303     machine=pmax opsys=bsd4-2
 304   ;;
 305   mips-dec-ultrix4.[12]* | mips-dec-bsd* )
 306     machine=pmax opsys=bsd4-3
 307   ;;
 308   mips-dec-ultrix* )
 309     machine=pmax opsys=ultrix4-3
 310   ;;
 311   mips-dec-osf* )
 312     machine=pmax opsys=osf1
 313   ;;
 314   mips-dec-mach_bsd4.3* )
 315     machine=pmax opsys=mach-bsd4-3
 316   ;;
 317
 318   ## Motorola Delta machines
 319   m68k-motorola-sysv* | m68000-motorola-sysv* )
 320     machine=delta opsys=usg5-3
 321     if test -z "`type gnucc | grep 'not found'`"
 322     then
 323       if test -s /etc/167config
 324       then CC="gnucc -m68040"
 325       else CC="gnucc -m68881"
 326       fi
 327     else
 328       if test -z "`type gcc | grep 'not found'`"
 329       then CC=gcc
 330       else CC=cc
 331       fi
 332     fi
 333   ;;
 334   m88k-motorola-sysv4* )
 335     # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
 336     # needs POSIX_SIGNALS and therefore needs usg5-4-2.
 337     # I hope there are not other 4.0 versions for this machine
 338     # which really need usg5-4 instead.
 339     machine=delta88k opsys=usg5-4-2
 340   ;;
 341   m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
 342     machine=delta88k opsys=usg5-3
 343   ;;
 344
 345   ## Dual machines
 346   m68*-dual-sysv* )
 347     machine=dual opsys=usg5-2
 348   ;;
 349   m68*-dual-uniplus* )
 350     machine=dual opsys=unipl5-2
 351   ;;
 352
 353   ## Elxsi 6400
 354   elxsi-elxsi-sysv* )
 355     machine=elxsi opsys=usg5-2
 356   ;;
 357
 358   ## Encore machines
 359   ns16k-encore-bsd* )
 360     machine=ns16000 opsys=umax
 361   ;;
 362
 363   ## The GEC 93 - apparently, this port isn't really finished yet.
 364
 365   ## Gould Power Node and NP1
 366   pn-gould-bsd4.2* )
 367     machine=gould opsys=bsd4-2
 368   ;;
 369   pn-gould-bsd4.3* )
 370     machine=gould opsys=bsd4-3
 371   ;;
 372   np1-gould-bsd* )
 373     machine=gould-np1 opsys=bsd4-3
 374   ;;
 375
 376   ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
 377   ## as far as Emacs is concerned).
 378   m88k-harris-cxux* )
 379     # Build needs to be different on 7.0 and later releases
 380     case "`uname -r`" in
 381        [56].[0-9] ) machine=nh4000 opsys=cxux ;;
 382        [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
 383     esac
 384     NON_GNU_CPP="/lib/cpp"
 385   ;;
 386   ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
 387   m68k-harris-cxux* )
 388     machine=nh3000 opsys=cxux
 389   ;;
 390   ## Harris power pc NightHawk running Power UNIX (Series 6000)
 391   powerpc-harris-powerunix )
 392     machine=nh6000 opsys=powerunix
 393     NON_GNU_CPP="cc -Xo -E -P"
 394   ;;
 395   ## SR2001/SR2201 running HI-UX/MPP
 396   hppa1.1-hitachi-hiuxmpp* )
 397     machine=sr2k opsys=hiuxmpp
 398   ;;
 399   ## Honeywell XPS100
 400   xps*-honeywell-sysv* )
 401     machine=xps100 opsys=usg5-2
 402   ;;
 403
 404   ## HP 9000 series 200 or 300
 405   m68*-hp-bsd* )
 406     machine=hp9000s300 opsys=bsd4-3
 407   ;;
 408   ## HP/UX 7, 8, 9, and 10 are supported on these machines.
 409   m68*-hp-hpux* )
 410     case "`uname -r`" in
 411       ## Someone's system reports A.B8.05 for this.
 412       ## I wonder what other possibilities there are.
 413       *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
 414       *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
 415       *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
 416       *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
 417       *) machine=hp9000s300 opsys=hpux ;;
 418     esac
 419   ;;
 420
 421   ## HP 9000 series 700 and 800, running HP/UX
 422   hppa*-hp-hpux7* )
 423     machine=hp800 opsys=hpux
 424   ;;
 425   hppa*-hp-hpux8* )
 426     machine=hp800 opsys=hpux8
 427   ;;
 428   hppa*-hp-hpux9shr* )
 429     machine=hp800 opsys=hpux9shr
 430   ;;
 431   hppa*-hp-hpux9* )
 432     machine=hp800 opsys=hpux9
 433   ;;
 434   hppa*-hp-hpux10* )
 435     machine=hp800 opsys=hpux10
 436   ;;
 437
 438   ## HP 9000 series 700 and 800, running HP/UX
 439   hppa*-hp-hpux* )
 440     ## Cross-compilation?  Nah!
 441     case "`uname -r`" in
 442       ## Someone's system reports A.B8.05 for this.
 443       ## I wonder what other possibilities there are.
 444       *.B8.* ) machine=hp800 opsys=hpux8 ;;
 445       *.08.* ) machine=hp800 opsys=hpux8 ;;
 446       *.09.* ) machine=hp800 opsys=hpux9 ;;
 447       *) machine=hp800 opsys=hpux ;;
 448     esac
 449   ;;
 450   hppa*-*-nextstep* )
 451     machine=hp800 opsys=nextstep
 452   ;;
 453
 454   ## Orion machines
 455   orion-orion-bsd* )
 456     machine=orion opsys=bsd4-2
 457   ;;
 458   clipper-orion-bsd* )
 459     machine=orion105 opsys=bsd4-2
 460   ;;
 461
 462   ## IBM machines
 463   i[3456]86-ibm-aix1.1* )
 464     machine=ibmps2-aix opsys=usg5-2-2
 465   ;;
 466   i[3456]86-ibm-aix1.[23]* | i[3456]86-ibm-aix* )
 467     machine=ibmps2-aix opsys=usg5-3
 468   ;;
 469   i370-ibm-aix*)
 470     machine=ibm370aix opsys=usg5-3
 471   ;;
 472   rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1*  )
 473     machine=ibmrs6000 opsys=aix3-1
 474   ;;
 475   rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
 476     machine=ibmrs6000 opsys=aix3-2-5
 477   ;;
 478   rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1*  )
 479     machine=ibmrs6000 opsys=aix4-1
 480   ;;
 481   rs6000-ibm-aix4.2* | powerpc-ibm-aix4.2*  )
 482     machine=ibmrs6000 opsys=aix4-2
 483   ;;
 484   rs6000-ibm-aix4.0* | powerpc-ibm-aix4.0*  )
 485     machine=ibmrs6000 opsys=aix4
 486   ;;
 487   rs6000-ibm-aix4* | powerpc-ibm-aix4*  )
 488     machine=ibmrs6000 opsys=aix4-1
 489   ;;
 490   rs6000-ibm-aix* | powerpc-ibm-aix* )
 491     machine=ibmrs6000 opsys=aix3-2
 492   ;;
 493   romp-ibm-bsd4.3* )
 494     machine=ibmrt opsys=bsd4-3
 495   ;;
 496   romp-ibm-bsd4.2* )
 497     machine=ibmrt opsys=bsd4-2
 498   ;;
 499   romp-ibm-aos4.3* )
 500     machine=ibmrt opsys=bsd4-3
 501   ;;
 502   romp-ibm-aos4.2* )
 503     machine=ibmrt opsys=bsd4-2
 504   ;;
 505   romp-ibm-aos* )
 506     machine=ibmrt opsys=bsd4-3
 507   ;;
 508   romp-ibm-bsd* )
 509     machine=ibmrt opsys=bsd4-3
 510   ;;
 511   romp-ibm-aix* )
 512     machine=ibmrt-aix opsys=usg5-2-2
 513   ;;
 514
 515   ## Integrated Solutions `Optimum V'
 516   m68*-isi-bsd4.2* )
 517     machine=isi-ov opsys=bsd4-2
 518   ;;
 519   m68*-isi-bsd4.3* )
 520     machine=isi-ov opsys=bsd4-3
 521   ;;
 522
 523   ## Intel 386 machines where we do care about the manufacturer
 524   i[3456]86-intsys-sysv* )
 525     machine=is386 opsys=usg5-2-2
 526   ;;
 527
 528   ## Prime EXL
 529   i[3456]86-prime-sysv* )
 530     machine=i386 opsys=usg5-3
 531   ;;
 532
 533   ## Sequent Symmetry running Dynix
 534   i[3456]86-sequent-bsd* )
 535     machine=symmetry opsys=bsd4-3
 536   ;;
 537
 538   ## Sequent Symmetry running ptx 4, which is a modified SVR4.
 539   i[3456]86-sequent-ptx4* | i[3456]86-sequent-sysv4* )
 540     machine=sequent-ptx opsys=ptx4
 541     NON_GNU_CPP=/lib/cpp
 542   ;;
 543
 544   ## Sequent Symmetry running DYNIX/ptx
 545   ## Use the old cpp rather than the newer ANSI one.
 546   i[3456]86-sequent-ptx* )
 547     machine=sequent-ptx opsys=ptx
 548     NON_GNU_CPP="/lib/cpp"
 549   ;;
 550
 551   ## ncr machine running svr4.3.
 552   i[3456]86-ncr-sysv4.3 )
 553     machine=ncr386 opsys=usg5-4-3
 554   ;;
 555
 556   ## Unspecified sysv on an ncr machine defaults to svr4.2.
 557   ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
 558   i[3456]86-ncr-sysv* )
 559     machine=ncr386 opsys=usg5-4-2
 560   ;;
 561
 562   ## Intel Paragon OSF/1
 563   i860-intel-osf1* )
 564     machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
 565   ;;
 566
 567   ## Intel 860
 568   i860-*-sysv4* )
 569     machine=i860 opsys=usg5-4
 570     NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
 571     NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
 572   ;;
 573
 574   ## Masscomp machines
 575   m68*-masscomp-rtu* )
 576     machine=masscomp opsys=rtu
 577   ;;
 578
 579   ## Megatest machines
 580   m68*-megatest-bsd* )
 581     machine=mega68 opsys=bsd4-2
 582   ;;
 583
 584   ## Workstations sold by MIPS
 585   ## This is not necessarily all workstations using the MIPS processor -
 586   ## Irises are produced by SGI, and DECstations by DEC.
 587
 588   ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
 589   ## and usg5-2-2 and bsd4-3 as possible OS files.  The only guidance
 590   ## it gives for choosing between the alternatives seems to be "Use
 591   ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
 592   ## the BSD world."  I'll assume that these are instructions for
 593   ## handling two odd situations, and that every other situation
 594   ## should use mips.h and usg5-2-2, they being listed first.
 595   mips-mips-usg* )
 596     machine=mips4
 597     ## Fall through to the general code at the bottom to decide on the OS.
 598   ;;
 599   mips-mips-riscos4* )
 600     machine=mips4 opsys=bsd4-3
 601     NON_GNU_CC="cc -systype bsd43"
 602     NON_GNU_CPP="cc -systype bsd43 -E"
 603   ;;
 604   mips-mips-riscos5* )
 605     machine=mips4 opsys=riscos5
 606     NON_GNU_CC="cc -systype bsd43"
 607     NON_GNU_CPP="cc -systype bsd43 -E"
 608   ;;
 609   mips-mips-bsd* )
 610     machine=mips opsys=bsd4-3
 611   ;;
 612   mips-mips-* )
 613     machine=mips opsys=usg5-2-2
 614   ;;
 615
 616   ## NeXT
 617   m68*-next-* | m68k-*-nextstep* )
 618     machine=m68k opsys=nextstep
 619   ;;
 620
 621   ## The complete machine from National Semiconductor
 622   ns32k-ns-genix* )
 623     machine=ns32000 opsys=usg5-2
 624   ;;
 625
 626   ## NCR machines
 627   m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
 628     machine=tower32 opsys=usg5-2-2
 629   ;;
 630   m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
 631     machine=tower32v3 opsys=usg5-3
 632   ;;
 633
 634   ## Nixdorf Targon 31
 635   m68*-nixdorf-sysv* )
 636     machine=targon31 opsys=usg5-2-2
 637   ;;
 638
 639   ## Nu (TI or LMI)
 640   m68*-nu-sysv* )
 641     machine=nu opsys=usg5-2
 642   ;;
 643
 644   ## Plexus
 645   m68*-plexus-sysv* )
 646     machine=plexus opsys=usg5-2
 647   ;;
 648
 649   ## PowerPC reference platform
 650   powerpcle-*-solaris2* )
 651     machine=prep
 652     opsys=sol2-5
 653   ;;
 654
 655   ## Pyramid machines
 656   ## I don't really have any idea what sort of processor the Pyramid has,
 657   ## so I'm assuming it is its own architecture.
 658   pyramid-pyramid-bsd* )
 659     machine=pyramid opsys=bsd4-2
 660   ;;
 661
 662   ## Sequent Balance
 663   ns32k-sequent-bsd4.2* )
 664     machine=sequent opsys=bsd4-2
 665   ;;
 666   ns32k-sequent-bsd4.3* )
 667     machine=sequent opsys=bsd4-3
 668   ;;
 669
 670   ## Siemens Nixdorf
 671   mips-siemens-sysv* | mips-sni-sysv*)
 672     machine=mips-siemens opsys=usg5-4
 673     NON_GNU_CC=/usr/ccs/bin/cc
 674     NON_GNU_CPP=/usr/ccs/lib/cpp
 675   ;;
 676
 677   ## Silicon Graphics machines
 678   ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
 679   m68*-sgi-iris3.5* )
 680     machine=irist opsys=iris3-5
 681   ;;
 682   m68*-sgi-iris3.6* | m68*-sgi-iris*)
 683     machine=irist opsys=iris3-6
 684   ;;
 685   ## Iris 4D
 686   mips-sgi-irix3* )
 687     machine=iris4d opsys=irix3-3
 688   ;;
 689   mips-sgi-irix4* )
 690     machine=iris4d opsys=irix4-0
 691   ;;
 692   mips-sgi-irix6* )
 693     machine=iris4d opsys=irix6-0
 694     NON_GNU_CPP=/lib/cpp
 695     NON_GCC_TEST_OPTIONS=-32
 696   ;;
 697   mips-sgi-irix5.[01]* )
 698     machine=iris4d opsys=irix5-0
 699   ;;
 700   mips-sgi-irix5* | mips-sgi-irix* )
 701     machine=iris4d opsys=irix5-2
 702   ;;
 703
 704   ## SONY machines
 705   m68*-sony-bsd4.2* )
 706     machine=news opsys=bsd4-2
 707   ;;
 708   m68*-sony-bsd4.3* )
 709     machine=news opsys=bsd4-3
 710   ;;
 711   m68*-sony-newsos3* | m68*-sony-news3*)
 712     machine=news opsys=bsd4-3
 713   ;;
 714   mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
 715     machine=news-risc opsys=bsd4-3
 716   ;;
 717   mips-sony-newsos6* )
 718     machine=news-risc6 opsys=newsos6
 719   ;;
 720   mips-sony-news* )
 721     machine=news-risc opsys=newsos5
 722   ;;
 723
 724   ## Stride
 725   m68*-stride-sysv* )
 726     machine=stride opsys=usg5-2
 727   ;;
 728
 729   ## Suns
 730   sparc-*-linux-gnu* )
 731     machine=sparc opsys=gnu-linux
 732   ;;
 733
 734   *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
 735     | i[3456]86-*-solaris2* | i[3456]86-*-sunos5* | powerpc*-*-solaris2* \
 736     | rs6000-*-solaris2*)
 737     case "${canonical}" in
 738       m68*-sunos1* )    machine=sun1 ;;
 739       m68*-sunos2* )    machine=sun2 ;;
 740       m68* )            machine=sun3 ;;
 741       i[3456]86-sun-sunos[34]* )        machine=sun386 ;;
 742       i[3456]86-*-* )     machine=intel386 ;;
 743       powerpcle* )      machine=powerpcle ;;
 744       powerpc* | rs6000* )  machine=ibmrs6000 ;;
 745       sparc* )          machine=sparc ;;
 746       * )               unported=yes ;;
 747     esac
 748     case "${canonical}" in
 749       ## The Sun386 didn't get past 4.0.
 750       i[3456]86-*-sunos4          ) opsys=sunos4-0 ;;
 751       *-sunos4.0*         ) opsys=sunos4-0 ;;
 752       *-sunos4.1.[3-9]*noshare )
 753                 ## This name is sunos413 instead of sunos4-1-3
 754                 ## to avoid a file name conflict on MSDOS.
 755                 opsys=sunos413
 756                 NON_GNU_CPP=/usr/lib/cpp
 757                 NON_GCC_TEST_OPTIONS=-Bstatic
 758                 GCC_TEST_OPTIONS=-static
 759                 ;;
 760       *-sunos4.1.[3-9]* | *-sunos4shr*)
 761                 opsys=sunos4shr
 762                 NON_GNU_CPP=/usr/lib/cpp
 763                 ;;
 764       *-sunos4* | *-sunos )
 765                 opsys=sunos4-1
 766                 NON_GCC_TEST_OPTIONS=-Bstatic
 767                 GCC_TEST_OPTIONS=-static
 768                 ;;
 769       *-sunos5.3* | *-solaris2.3* )
 770                 opsys=sol2-3
 771                 NON_GNU_CPP=/usr/ccs/lib/cpp
 772                 ;;
 773       *-sunos5.4* | *-solaris2.4* )
 774                 opsys=sol2-4
 775                 NON_GNU_CPP=/usr/ccs/lib/cpp
 776                 RANLIB="ar -ts"
 777                 ;;
 778       *-sunos5.5* | *-solaris2.5* )
 779                 opsys=sol2-5
 780                 NON_GNU_CPP=/usr/ccs/lib/cpp
 781                 RANLIB="ar -ts"
 782                 ;;
 783       *-sunos5* | *-solaris* )
 784                 opsys=sol2-4
 785                 NON_GNU_CPP=/usr/ccs/lib/cpp
 786                 ;;
 787       *                   ) opsys=bsd4-2   ;;
 788     esac
 789     ## Watch out for a compiler that we know will not work.
 790     case "${canonical}" in
 791      *-solaris* | *-sunos5* )
 792                 if [ "x$CC" = x/usr/ucb/cc ]; then
 793                   ## /usr/ucb/cc doesn't work;
 794                   ## we should find some other compiler that does work.
 795                   unset CC
 796                 fi
 797                 ;;
 798       *) ;;
 799     esac
 800   ;;
 801   sparc-*-nextstep* )
 802     machine=sparc opsys=nextstep
 803   ;;
 804
 805   ## Tadpole 68k
 806   m68*-tadpole-sysv* )
 807     machine=tad68k opsys=usg5-3
 808   ;;
 809
 810   ## Tahoe machines
 811   tahoe-tahoe-bsd4.2* )
 812     machine=tahoe opsys=bsd4-2
 813   ;;
 814   tahoe-tahoe-bsd4.3* )
 815     machine=tahoe opsys=bsd4-3
 816   ;;
 817
 818   ## Tandem Integrity S2
 819   mips-tandem-sysv* )
 820     machine=tandem-s2 opsys=usg5-3
 821   ;;
 822
 823   ## Tektronix XD88
 824   m88k-tektronix-sysv3* )
 825   machine=tekxd88 opsys=usg5-3
 826   ;;
 827
 828   ## Tektronix 16000 box (6130?)
 829   ns16k-tektronix-bsd* )
 830     machine=ns16000 opsys=bsd4-2
 831   ;;
 832   ## Tektronix 4300
 833   ## src/m/tek4300.h hints that this is a m68k machine.
 834   m68*-tektronix-bsd* )
 835     machine=tek4300 opsys=bsd4-3
 836   ;;
 837
 838   ## Titan P2 or P3
 839   ## We seem to have lost the machine-description file titan.h!
 840   titan-titan-sysv* )
 841     machine=titan opsys=usg5-3
 842   ;;
 843
 844   ## Ustation E30 (SS5E)
 845   m68*-unisys-uniplus* )
 846     machine=ustation opsystem=unipl5-2
 847   ;;
 848
 849   ## Vaxen.
 850   vax-dec-* )
 851     machine=vax
 852     case "${canonical}" in
 853       *-bsd4.1* )                                       opsys=bsd4-1 ;;
 854       *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* )      opsys=bsd4-2 ;;
 855       *-bsd4.3* | *-ultrix* )                           opsys=bsd4-3 ;;
 856       *-sysv[01]* | *-sysvr[01]* )                      opsys=usg5-0 ;;
 857       *-sysv2* | *-sysvr2* )                            opsys=usg5-2 ;;
 858       *-vms* )                                          opsys=vms ;;
 859       * )                                               unported=yes
 860     esac
 861   ;;
 862
 863   ## Whitechapel MG1
 864   ns16k-whitechapel-* )
 865     machine=mg1
 866     ## We don't know what sort of OS runs on these; we'll let the
 867     ## operating system guessing code below try.
 868   ;;
 869
 870   ## Wicat
 871   m68*-wicat-sysv* )
 872     machine=wicat opsys=usg5-2
 873   ;;
 874
 875   ## Intel 386 machines where we don't care about the manufacturer
 876   i[3456]86-*-* )
 877     machine=intel386
 878     case "${canonical}" in
 879       *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
 880       *-isc2.2* )               opsys=isc2-2 ;;
 881       *-isc4.0* )               opsys=isc4-0 ;;
 882       *-isc4.* )                opsys=isc4-1
 883                                 GCC_TEST_OPTIONS=-posix
 884                                 NON_GCC_TEST_OPTIONS=-Xp
 885                                 ;;
 886       *-isc* )                  opsys=isc3-0 ;;
 887       *-esix5* )                opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
 888       *-esix* )                 opsys=esix ;;
 889       *-xenix* )                opsys=xenix ;;
 890       *-linux-gnu* )            opsys=gnu-linux ;;
 891       *-sco3.2v4* )             opsys=sco4 ; NON_GNU_CPP=/lib/cpp  ;;
 892       *-sco3.2v5* )             opsys=sco5
 893                                 NON_GNU_CPP=/lib/cpp
 894                                 # Prevent -belf from being passed to $CPP.
 895                                 # /lib/cpp does not accept it.
 896                                 OVERRIDE_CPPFLAGS=" "
 897                                 ;;
 898       *-bsd386* | *-bsdi1* )    opsys=bsd386 ;;
 899       *-bsdi2.0* )              opsys=bsdos2 ;;
 900       *-bsdi2* )                opsys=bsdos2-1 ;;
 901       *-386bsd* )               opsys=386bsd ;;
 902       *-freebsd* )              opsys=freebsd ;;
 903       *-nextstep* )             opsys=nextstep ;;
 904       ## Otherwise, we'll fall through to the generic opsys code at the bottom.
 905     esac
 906   ;;
 907
 908   ## Linux/68k-based GNU system
 909   m68k-*-linux-gnu* )
 910     machine=m68k opsys=gnu-linux
 911   ;;
 912
 913   * )
 914     unported=yes
 915   ;;
 916 esac
 917
 918 ### If the code above didn't choose an operating system, just choose
 919 ### an operating system based on the configuration name.  You really
 920 ### only want to use this when you have no idea what the right
 921 ### operating system is; if you know what operating systems a machine
 922 ### runs, it's cleaner to make it explicit in the case statement
 923 ### above.
 924 if test x"${opsys}" = x; then
 925   case "${canonical}" in
 926     *-gnu* )                            opsys=gnu ;;
 927     *-bsd4.[01] )                       opsys=bsd4-1 ;;
 928     *-bsd4.2 )                          opsys=bsd4-2 ;;
 929     *-bsd4.3 )                          opsys=bsd4-3 ;;
 930     *-sysv0 | *-sysvr0 )                opsys=usg5-0 ;;
 931     *-sysv2 | *-sysvr2 )                opsys=usg5-2 ;;
 932     *-sysv2.2 | *-sysvr2.2 )            opsys=usg5-2-2 ;;
 933     *-sysv3* | *-sysvr3* )              opsys=usg5-3 ;;
 934     *-sysv4.1* | *-sysvr4.1* )
 935         NON_GNU_CPP=/usr/lib/cpp
 936         opsys=usg5-4 ;;
 937     *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
 938         if [ x$NON_GNU_CPP = x ]; then
 939           if [ -f /usr/ccs/lib/cpp ]; then
 940             NON_GNU_CPP=/usr/ccs/lib/cpp
 941           else
 942             NON_GNU_CPP=/lib/cpp
 943           fi
 944         fi
 945         opsys=usg5-4-2 ;;
 946     *-sysv4* | *-sysvr4* )              opsys=usg5-4 ;;
 947     * )
 948       unported=yes
 949     ;;
 950   esac
 951 fi
 952
 953 if test "x$RANLIB" = x; then
 954   RANLIB=ranlib
 955 fi
 956
 957 changequote([, ])dnl
 958
 959 if test $unported = yes; then
 960   AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
 961 Check \`etc/MACHINES' for recognized configuration names.])
 962 fi
 963
 964 machfile="m/${machine}.h"
 965 opsysfile="s/${opsys}.h"
 966
 967
 968 #### Choose a compiler.
 969 test -n "$CC" && cc_specified=yes
 970
 971 # Save the value of CFLAGS that the user specified.
 972 SPECIFIED_CFLAGS="$CFLAGS"
 973
 974 case ${with_gcc} in
 975   "yes" ) CC="gcc" GCC=yes ;;
 976   "no"  ) : ${CC=cc} ;;
 977   * ) AC_PROG_CC
 978 esac
 979
 980 # On Suns, sometimes $CPP names a directory.
 981 if test -n "$CPP" && test -d "$CPP"; then
 982   CPP=
 983 fi
 984
 985 #### Some systems specify a CPP to use unless we are using GCC.
 986 #### Now that we know whether we are using GCC, we can decide whether
 987 #### to use that one.
 988 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
 989 then
 990   CPP="$NON_GNU_CPP"
 991 fi
 992
 993 #### Some systems specify a CC to use unless we are using GCC.
 994 #### Now that we know whether we are using GCC, we can decide whether
 995 #### to use that one.
 996 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
 997   test x$cc_specified != xyes
 998 then
 999   CC="$NON_GNU_CC"
1000 fi
1001
1002 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
1003 then
1004   CC="$CC $GCC_TEST_OPTIONS"
1005 fi
1006
1007 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
1008 then
1009   CC="$CC $NON_GCC_TEST_OPTIONS"
1010 fi
1011
1012 if test x$GCC = xyes && test "x$GCC_LINK_TEST_OPTIONS" != x
1013 then
1014   ac_link="$ac_link $GCC_LINK_TEST_OPTIONS"
1015 fi
1016
1017 if test x$GCC = x && test "x$NON_GCC_LINK_TEST_OPTIONS" != x
1018 then
1019   ac_link="$ac_link $NON_GCC_LINK_TEST_OPTIONS"
1020 fi
1021
1022 #### Some other nice autoconf tests.  If you add a test here which
1023 #### should make an entry in src/config.h, don't forget to add an
1024 #### #undef clause to src/config.h.in for autoconf to modify.
1025
1026 dnl checks for programs
1027 AC_PROG_LN_S
1028 AC_PROG_CPP
1029 AC_PROG_INSTALL
1030 AC_PROG_YACC
1031
1032 dnl checks for Unix variants
1033 AC_AIX
1034
1035 dnl checks for header files
1036 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h linux/version.h sys/systeminfo.h termios.h limits.h)
1037 AC_HEADER_STDC
1038 AC_HEADER_TIME
1039 AC_DECL_SYS_SIGLIST
1040
1041 dnl Some systems have utime.h but don't declare the struct anyplace.
1042 AC_MSG_CHECKING(for struct utimbuf)
1043 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1044 #include <sys/time.h>
1045 #include <time.h>
1046 #else
1047 #ifdef HAVE_SYS_TIME_H
1048 #include <sys/time.h>
1049 #else
1050 #include <time.h>
1051 #endif
1052 #endif
1053 #ifdef HAVE_UTIME_H
1054 #include <utime.h>
1055 #endif], [static struct utimbuf x; x.actime = x.modtime;],
1056   [AC_MSG_RESULT(yes)
1057    AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
1058   AC_MSG_RESULT(no))
1059
1060 dnl checks for typedefs
1061 AC_TYPE_SIGNAL
1062
1063 AC_MSG_CHECKING(for struct timeval)
1064 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
1065 #include <sys/time.h>
1066 #include <time.h>
1067 #else
1068 #ifdef HAVE_SYS_TIME_H
1069 #include <sys/time.h>
1070 #else
1071 #include <time.h>
1072 #endif
1073 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
1074   [AC_MSG_RESULT(yes)
1075    HAVE_TIMEVAL=yes
1076    AC_DEFINE(HAVE_TIMEVAL)],
1077   [AC_MSG_RESULT(no)
1078    HAVE_TIMEVAL=no])
1079
1080 dnl checks for structure members
1081 AC_STRUCT_TM
1082 AC_STRUCT_TIMEZONE
1083
1084 dnl checks for compiler characteristics
1085 AC_C_CONST
1086
1087 dnl check for Make feature
1088 AC_PROG_MAKE_SET
1089
1090 dnl checks for operating system services
1091 AC_SYS_LONG_FILE_NAMES
1092
1093 #### Choose a window system.
1094
1095 AC_PATH_X
1096 if test "$no_x" = yes; then
1097   window_system=none
1098 else
1099   window_system=x11
1100 fi
1101
1102 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1103   LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
1104   LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
1105 fi
1106 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
1107   C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1108 fi
1109
1110 if test x"${x_includes}" = x; then
1111   bitmapdir=/usr/include/X11/bitmaps
1112 else
1113   # accumulate include directories that have X11 bitmap subdirectories
1114   bmd_acc="dummyval"
1115   for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1116     if test -d "${bmd}/X11/bitmaps"; then
1117       bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1118     elif test -d "${bmd}/bitmaps"; then
1119       bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1120     fi
1121   done
1122   if test ${bmd_acc} != "dummyval"; then
1123     bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1124   fi
1125 fi
1126
1127 case "${window_system}" in
1128   x11 )
1129     HAVE_X_WINDOWS=yes
1130     HAVE_X11=yes
1131     case "${with_x_toolkit}" in
1132       athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1133       motif ) USE_X_TOOLKIT=MOTIF ;;
1134 dnl      open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1135       no ) USE_X_TOOLKIT=none ;;
1136 dnl If user did not say whether to use a toolkit,
1137 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1138       * ) USE_X_TOOLKIT=maybe ;;
1139     esac
1140   ;;
1141   none )
1142     HAVE_X_WINDOWS=no
1143     HAVE_X11=no
1144     USE_X_TOOLKIT=none
1145   ;;
1146 esac
1147
1148 ### If we're using X11, we should use the X menu package.
1149 HAVE_MENUS=no
1150 case ${HAVE_X11} in
1151   yes ) HAVE_MENUS=yes ;;
1152 esac
1153
1154 if test "${opsys}" = "hpux9"; then
1155   case "${x_libraries}" in
1156     *X11R4* )
1157       opsysfile="s/hpux9-x11r4.h"
1158       ;;
1159   esac
1160 fi
1161
1162 if test "${opsys}" = "hpux9shr"; then
1163   case "${x_libraries}" in
1164     *X11R4* )
1165       opsysfile="s/hpux9shxr4.h"
1166       ;;
1167   esac
1168 fi
1169
1170 #### Extract some information from the operating system and machine files.
1171
1172 AC_CHECKING([the machine- and system-dependent files to find out
1173  - which libraries the lib-src programs will want, and
1174  - whether the GNU malloc routines are usable])
1175
1176 ### First figure out CFLAGS (which we use for running the compiler here)
1177 ### and REAL_CFLAGS (which we use for real compilation).
1178 ### The two are the same except on a few systems, where they are made
1179 ### different to work around various lossages.  For example,
1180 ### GCC 2.5 on GNU/Linux needs them to be different because it treats -g
1181 ### as implying static linking.
1182
1183 ### If the CFLAGS env var is specified, we use that value
1184 ### instead of the default.
1185
1186 ### It's not important that this name contain the PID; you can't run
1187 ### two configures in the same directory and have anything work
1188 ### anyway.
1189 tempcname="conftest.c"
1190
1191 echo '
1192 #include "'${srcdir}'/src/'${opsysfile}'"
1193 #include "'${srcdir}'/src/'${machfile}'"
1194 #ifndef LIBS_MACHINE
1195 #define LIBS_MACHINE
1196 #endif
1197 #ifndef LIBS_SYSTEM
1198 #define LIBS_SYSTEM
1199 #endif
1200 #ifndef C_SWITCH_SYSTEM
1201 #define C_SWITCH_SYSTEM
1202 #endif
1203 #ifndef C_SWITCH_MACHINE
1204 #define C_SWITCH_MACHINE
1205 #endif
1206 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1207 configure___ c_switch_system=C_SWITCH_SYSTEM
1208 configure___ c_switch_machine=C_SWITCH_MACHINE
1209
1210 #ifndef LIB_X11_LIB
1211 #define LIB_X11_LIB -lX11
1212 #endif
1213
1214 #ifndef LIBX11_MACHINE
1215 #define LIBX11_MACHINE
1216 #endif
1217
1218 #ifndef LIBX11_SYSTEM
1219 #define LIBX11_SYSTEM
1220 #endif
1221 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1222
1223 #ifdef UNEXEC
1224 configure___ unexec=UNEXEC
1225 #else
1226 configure___ unexec=unexec.o
1227 #endif
1228
1229 #ifdef SYSTEM_MALLOC
1230 configure___ system_malloc=yes
1231 #else
1232 configure___ system_malloc=no
1233 #endif
1234
1235 #ifndef C_DEBUG_SWITCH
1236 #define C_DEBUG_SWITCH -g
1237 #endif
1238
1239 #ifndef C_OPTIMIZE_SWITCH
1240 #define C_OPTIMIZE_SWITCH -O
1241 #endif
1242
1243 #ifndef LD_SWITCH_MACHINE
1244 #define LD_SWITCH_MACHINE
1245 #endif
1246
1247 #ifndef LD_SWITCH_SYSTEM
1248 #define LD_SWITCH_SYSTEM
1249 #endif
1250
1251 #ifndef LD_SWITCH_X_SITE_AUX
1252 #define LD_SWITCH_X_SITE_AUX
1253 #endif
1254
1255 configure___ ld_switch_system=LD_SWITCH_SYSTEM
1256 configure___ ld_switch_machine=LD_SWITCH_MACHINE
1257
1258 #ifdef THIS_IS_CONFIGURE
1259
1260 /* Get the CFLAGS for tests in configure.  */
1261 #ifdef __GNUC__
1262 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${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 ### Compute the unexec source name from the object name.
1297 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1298
1299 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1300 # Assume not, until told otherwise.
1301 GNU_MALLOC=yes
1302 doug_lea_malloc=yes
1303 AC_CHECK_FUNC(malloc_get_state, ,doug_lea_malloc=no)
1304 AC_CHECK_FUNC(malloc_set_state, ,doug_lea_malloc=no)
1305 if test "${system_malloc}" = "yes"; then
1306   GNU_MALLOC=no
1307   GNU_MALLOC_reason="
1308     (The GNU allocators don't work with this system configuration.)"
1309 fi
1310 if test "$doug_lea_malloc" = "yes" ; then
1311   if test "$GNU_MALLOC" = yes ; then
1312     GNU_MALLOC_reason="
1313       (Using new Doug Lea's new malloc from the GNU C Library.)"
1314   fi
1315   AC_DEFINE(DOUG_LEA_MALLOC)
1316 fi
1317
1318 if test x"${REL_ALLOC}" = x; then
1319   REL_ALLOC=${GNU_MALLOC}
1320 fi
1321
1322 LISP_FLOAT_TYPE=yes
1323
1324
1325 #### Add the libraries to LIBS and check for some functions.
1326
1327 if test x"${OVERRIDE_CPPFLAGS}" != x; then
1328   CPPFLAGS="${OVERRIDE_CPPFLAGS}"
1329 else
1330   CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1331 fi
1332
1333 LIBS="$libsrc_libs $LIBS"
1334
1335 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1336 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1337 AC_CHECK_LIB(dnet, dnet_ntoa)
1338 dnl This causes -lresolv to get used in subsequent tests,
1339 dnl which causes failures on some systems such as HPUX 9.
1340 dnl AC_CHECK_LIB(resolv, gethostbyname)
1341
1342 dnl FIXME replace main with a function we actually want from this library.
1343 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1344
1345 AC_CHECK_LIB(pthreads, cma_open)
1346
1347 AC_MSG_CHECKING(for XFree86)
1348 if test -d /usr/X386/include; then
1349   HAVE_XFREE386=yes
1350   : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1351 else
1352   HAVE_XFREE386=no
1353 fi
1354 AC_MSG_RESULT($HAVE_XFREE386)
1355
1356 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1357 # for the tests that follow.  We set it back to REAL_CFLAGS later on.
1358
1359 if test "${HAVE_X11}" = "yes"; then
1360   DEFS="$C_SWITCH_X_SITE $DEFS"
1361   LDFLAGS="$LDFLAGS $LD_SWITCH_X_SITE"
1362   LIBS="$LIBX $LIBS"
1363   CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1364
1365   # On Solaris, arrange for LD_RUN_PATH to point to the X libraries for tests.
1366   # This is handled by LD_SWITCH_X_SITE_AUX during the real build,
1367   # but it's more convenient here to set LD_RUN_PATH
1368   # since this also works on hosts that don't understand LD_SWITCH_X_SITE_AUX.
1369   if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
1370     LD_RUN_PATH=$x_libraries${LD_RUN_PATH+:}$LD_RUN_PATH
1371     export LD_RUN_PATH
1372   fi
1373
1374   if test "${opsys}" = "gnu-linux"; then
1375     AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1376     AC_TRY_LINK([],
1377      [XOpenDisplay ("foo");],
1378      [xlinux_first_failure=no],
1379      [xlinux_first_failure=yes])
1380     if test "${xlinux_first_failure}" = "yes"; then
1381       OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1382       OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1383       OLD_CPPFLAGS="$CPPFLAGS"
1384       OLD_LIBS="$LIBS"
1385       LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1386       C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1387       CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1388       LIBS="$LIBS -b i486-linuxaout"
1389       AC_TRY_LINK([],
1390        [XOpenDisplay ("foo");],
1391        [xlinux_second_failure=no],
1392        [xlinux_second_failure=yes])
1393       if test "${xlinux_second_failure}" = "yes"; then
1394         # If we get the same failure with -b, there is no use adding -b.
1395         # So take it out.  This plays safe.
1396         LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1397         C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1398         CPPFLAGS="$OLD_CPPFLAGS"
1399         LIBS="$OLD_LIBS"
1400         AC_MSG_RESULT(no)
1401       else
1402         AC_MSG_RESULT(yes)
1403       fi
1404     else
1405       AC_MSG_RESULT(no)
1406     fi
1407   fi
1408
1409   AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1410 XScreenNumberOfScreen XSetWMProtocols)
1411 fi
1412
1413 if test "${window_system}" = "x11"; then
1414   AC_MSG_CHECKING(X11 version 6)
1415   AC_TRY_LINK([#include <X11/Xlib.h>],
1416 [#if XlibSpecificationRelease < 6
1417 fail;
1418 #endif
1419 ], [AC_MSG_RESULT(6 or newer)
1420     AC_DEFINE(HAVE_X11R6)],
1421    [AC_MSG_RESULT(before 6)])
1422 fi
1423
1424 if test "${window_system}" = "x11"; then
1425   AC_MSG_CHECKING(X11 version 5)
1426   AC_TRY_LINK([#include <X11/Xlib.h>],
1427 [#if XlibSpecificationRelease < 5
1428 fail;
1429 #endif
1430 ], [AC_MSG_RESULT(5 or newer)
1431     HAVE_X11R5=yes
1432     AC_DEFINE(HAVE_X11R5)],
1433    [
1434     HAVE_X11R5=no
1435     AC_MSG_RESULT(before 5)])
1436 fi
1437
1438 dnl Do not put whitespace before the #include statements below.
1439 dnl Older compilers (eg sunos4 cc) choke on it.
1440 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1441   if test x"${HAVE_X11R5}" = xyes; then
1442     AC_MSG_CHECKING(X11 version 5 with Xaw)
1443     AC_TRY_LINK([
1444 #include <X11/Intrinsic.h>
1445 #include <X11/Xaw/Simple.h>],
1446       [],
1447       [AC_MSG_RESULT(5 or newer, with Xaw; use toolkit by default)
1448        USE_X_TOOLKIT=LUCID],
1449       [AC_MSG_RESULT(before 5 or no Xaw; do not use toolkit by default)
1450        USE_X_TOOLKIT=none])
1451   else
1452     USE_X_TOOLKIT=none
1453   fi
1454 fi
1455
1456 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1457
1458 if test "${USE_X_TOOLKIT}" != "none"; then
1459   AC_MSG_CHECKING(X11 toolkit version)
1460   AC_TRY_LINK([#include <X11/Intrinsic.h>],
1461 [#if XtSpecificationRelease < 6
1462 fail;
1463 #endif
1464 ], [AC_MSG_RESULT(6 or newer)
1465     HAVE_X11XTR6=yes
1466     AC_DEFINE(HAVE_X11XTR6)],
1467    [AC_MSG_RESULT(before 6)
1468     HAVE_X11XTR6=no])
1469
1470 dnl If using toolkit, check whether libXmu.a exists.
1471 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1472   OLDLIBS="$LIBS"
1473   if test x$HAVE_X11XTR6 = xyes; then
1474     LIBS="-lXt -lSM -lICE $LIBS"
1475   else
1476     LIBS="-lXt $LIBS"
1477   fi
1478   AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1479   LIBS="$OLDLIBS"
1480 fi
1481
1482 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1483 AC_MSG_CHECKING(whether netdb declares h_errno)
1484 AC_TRY_LINK([#include <netdb.h>],
1485   [return h_errno;],
1486   [AC_MSG_RESULT(yes)
1487    AC_DEFINE(HAVE_H_ERRNO)],
1488   [AC_MSG_RESULT(no)])
1489
1490 AC_FUNC_ALLOCA
1491
1492 # fmod, logb, and frexp are found in -lm on most systems.
1493 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1494 AC_CHECK_LIB(m, sqrt)
1495
1496 # Check for mail-locking functions in a "mail" library
1497 AC_CHECK_LIB(mail, maillock,
1498              AC_DEFINE(HAVE_LIBMAIL)
1499              AC_CHECK_FUNCS(touchlock)
1500              AC_CHECK_HEADERS(maillock.h))
1501
1502 AC_CHECK_FUNCS(gettimeofday gethostname getdomainname dup2 \
1503 rename closedir mkdir rmdir sysinfo \
1504 random lrand48 bcopy bcmp logb frexp fmod rint cbrt ftime res_init setsid \
1505 strerror fpathconf select mktime euidaccess getpagesize tzset setlocale \
1506 utimes setrlimit setpgid getcwd shutdown)
1507
1508 # Check this now, so that we will NOT find the above functions in ncurses.
1509 # That is because we have not set up to link ncurses in lib-src.
1510 # It's better to believe a function is not available
1511 # than to expect to find it in ncurses.
1512 AC_CHECK_LIB(ncurses, tparm)
1513
1514 # These tell us which Kerberos-related libraries to use.
1515 if test "${with_kerberos+set}" = set; then
1516   AC_CHECK_LIB(krb, krb_get_cred)
1517   AC_CHECK_LIB(des, des_cbc_encrypt)
1518   AC_CHECK_LIB(com_err, com_err)
1519 fi
1520
1521 AC_MSG_CHECKING(whether localtime caches TZ)
1522 AC_CACHE_VAL(emacs_cv_localtime_cache,
1523 [if test x$ac_cv_func_tzset = xyes; then
1524 AC_TRY_RUN([#include <time.h>
1525 #if STDC_HEADERS
1526 # include <stdlib.h>
1527 #endif
1528 extern char **environ;
1529 unset_TZ ()
1530 {
1531   char **from, **to;
1532   for (to = from = environ; (*to = *from); from++)
1533     if (! (to[0][0] == 'T' && to[0][1] == 'Z' && to[0][2] == '='))
1534       to++;
1535 }
1536 char TZ_GMT0[] = "TZ=GMT0";
1537 char TZ_PST8[] = "TZ=PST8";
1538 main()
1539 {
1540   time_t now = time ((time_t *) 0);
1541   int hour_GMT0, hour_unset;
1542   if (putenv (TZ_GMT0) != 0)
1543     exit (1);
1544   hour_GMT0 = localtime (&now)->tm_hour;
1545   unset_TZ ();
1546   hour_unset = localtime (&now)->tm_hour;
1547   if (putenv (TZ_PST8) != 0)
1548     exit (1);
1549   if (localtime (&now)->tm_hour == hour_GMT0)
1550     exit (1);
1551   unset_TZ ();
1552   if (localtime (&now)->tm_hour != hour_unset)
1553     exit (1);
1554   exit (0);
1555 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1556 [# If we have tzset, assume the worst when cross-compiling.
1557 emacs_cv_localtime_cache=yes])
1558 else
1559         # If we lack tzset, report that localtime does not cache TZ,
1560         # since we can't invalidate the cache if we don't have tzset.
1561         emacs_cv_localtime_cache=no
1562 fi])dnl
1563 AC_MSG_RESULT($emacs_cv_localtime_cache)
1564 if test $emacs_cv_localtime_cache = yes; then
1565   AC_DEFINE(LOCALTIME_CACHE)
1566 fi
1567
1568 if test "x$HAVE_TIMEVAL" = xyes; then
1569 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1570 AC_TRY_LINK([
1571 #ifdef TIME_WITH_SYS_TIME
1572 #include <sys/time.h>
1573 #include <time.h>
1574 #else
1575 #ifdef HAVE_SYS_TIME_H
1576 #include <sys/time.h>
1577 #else
1578 #include <time.h>
1579 #endif
1580 #endif
1581   ],
1582   [
1583   struct timeval time;
1584   struct timezone dummy;
1585   gettimeofday (&time, &dummy);
1586 ],
1587   [AC_MSG_RESULT(no)],
1588   [AC_MSG_RESULT(yes)
1589    AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1590 fi
1591
1592 ok_so_far=yes
1593 AC_CHECK_FUNC(socket, , ok_so_far=no)
1594 if test $ok_so_far = yes; then
1595   AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1596 fi
1597 if test $ok_so_far = yes; then
1598   AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1599 fi
1600 if test $ok_so_far = yes; then
1601   AC_DEFINE(HAVE_INET_SOCKETS)
1602 fi
1603
1604 if test -f /usr/lpp/X11/bin/smt.exp; then
1605   AC_DEFINE(HAVE_AIX_SMT_EXP)
1606 fi
1607
1608 # Set up the CFLAGS for real compilation, so we can substitute it.
1609 CFLAGS="$REAL_CFLAGS"
1610
1611 changequote(, )dnl
1612 #### Find out which version of Emacs this is.
1613 version=`grep 'defconst[         ]*emacs-version' ${srcdir}/lisp/version.el \
1614          | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1615 changequote([, ])dnl
1616 if test x"${version}" = x; then
1617   AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1618 fi
1619
1620 ### Specify what sort of things we'll be editing into Makefile and config.h.
1621 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1622 AC_SUBST(version)
1623 AC_SUBST(configuration)
1624 AC_SUBST(canonical)
1625 AC_SUBST(srcdir)
1626 AC_SUBST(prefix)
1627 AC_SUBST(exec_prefix)
1628 AC_SUBST(bindir)
1629 AC_SUBST(datadir)
1630 AC_SUBST(sharedstatedir)
1631 AC_SUBST(libexecdir)
1632 AC_SUBST(mandir)
1633 AC_SUBST(infodir)
1634 AC_SUBST(lispdir)
1635 AC_SUBST(locallisppath)
1636 AC_SUBST(lisppath)
1637 AC_SUBST(etcdir)
1638 AC_SUBST(lockdir)
1639 AC_SUBST(archlibdir)
1640 AC_SUBST(docdir)
1641 AC_SUBST(bitmapdir)
1642 AC_SUBST(c_switch_system)
1643 AC_SUBST(c_switch_machine)
1644 AC_SUBST(LD_SWITCH_X_SITE)
1645 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1646 AC_SUBST(C_SWITCH_X_SITE)
1647 AC_SUBST(CFLAGS)
1648 AC_SUBST(X_TOOLKIT_TYPE)
1649 AC_SUBST(machfile)
1650 AC_SUBST(opsysfile)
1651 AC_SUBST(RANLIB)
1652
1653 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION,  "${canonical}")
1654 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1655 AC_DEFINE_UNQUOTED(config_machfile,  "${machfile}")
1656 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1657 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1658 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1659 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE,  ${C_SWITCH_X_SITE})
1660 AC_DEFINE_UNQUOTED(UNEXEC_SRC,       ${UNEXEC_SRC})
1661
1662 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1663   AC_DEFINE(HAVE_X_WINDOWS)
1664 fi
1665 if test "${USE_X_TOOLKIT}" != "none" ; then
1666   AC_DEFINE(USE_X_TOOLKIT)
1667 fi
1668 if test "${HAVE_X11}" = "yes" ; then
1669   AC_DEFINE(HAVE_X11)
1670 fi
1671 if test "${HAVE_XFREE386}" = "yes" ; then
1672   AC_DEFINE(HAVE_XFREE386)
1673 fi
1674 if test "${HAVE_MENUS}" = "yes" ; then
1675   AC_DEFINE(HAVE_MENUS)
1676 fi
1677 if test "${GNU_MALLOC}" = "yes" ; then
1678   AC_DEFINE(GNU_MALLOC)
1679 fi
1680 if test "${REL_ALLOC}" = "yes" ; then
1681   AC_DEFINE(REL_ALLOC)
1682 fi
1683 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1684   AC_DEFINE(LISP_FLOAT_TYPE)
1685 fi
1686
1687 #### Report on what we decided to do.
1688 echo "
1689 Configured for \`${canonical}'.
1690
1691   Where should the build process find the source code?    ${srcdir}
1692   What operating system and machine description files should Emacs use?
1693         \`${opsysfile}' and \`${machfile}'
1694   What compiler should emacs be built with?               ${CC} ${CFLAGS}
1695   Should Emacs use the GNU version of malloc?             ${GNU_MALLOC}${GNU_MALLOC_reason}
1696   Should Emacs use the relocating allocator for buffers?  ${REL_ALLOC}
1697   What window system should Emacs use?                    ${window_system}
1698   What toolkit should Emacs use?                          ${USE_X_TOOLKIT}"
1699
1700 if test -n "${x_includes}"; then
1701 echo "  Where do we find X Windows header files?                ${x_includes}"
1702 else
1703 echo "  Where do we find X Windows header files?                Standard dirs"
1704 fi
1705 if test -n "${x_libraries}"; then
1706 echo "  Where do we find X Windows libraries?                   ${x_libraries}"
1707 else
1708 echo "  Where do we find X Windows libraries?                   Standard dirs"
1709 fi
1710
1711 echo
1712
1713 # Remove any trailing slashes in these variables.
1714 changequote(, )dnl
1715 test "${prefix}" != NONE &&
1716   prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1717 test "${exec_prefix}" != NONE &&
1718   exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1719 changequote([, ])dnl
1720
1721 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1722         man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1723
1724 ### Make the necessary directories, if they don't exist.
1725 for dir in cpp etc lisp ; do
1726   test -d ${dir} || mkdir ${dir}
1727 done
1728
1729 # Build src/Makefile from ${srcdir}/src/Makefile.c
1730 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1731 # This must be done after src/config.h is built, since we rely on that file.
1732
1733 changequote(, )dnl The horror, the horror.
1734 # Now get this: Some word that is part of the ${srcdir} directory name
1735 # or the ${configuration} value might, just might, happen to be an
1736 # identifier like `sun4' or `i386' or something, and be predefined by
1737 # the C preprocessor to some helpful value like 1, or maybe the empty
1738 # string.  Needless to say consequent macro substitutions are less
1739 # than conducive to the makefile finding the correct directory.
1740 undefs="`echo $top_srcdir $configuration $canonical |
1741 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/  *$//' \
1742     -e 's/  */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1743 `"
1744 changequote([, ])dnl
1745
1746 echo creating src/paths.h
1747 make paths-force
1748
1749 echo creating lib-src/Makefile
1750 ( cd lib-src
1751   rm -f junk.c junk1.c junk2.c
1752   sed -e '/start of cpp stuff/q' \
1753       < Makefile.c > junk1.c
1754   sed -e '1,/start of cpp stuff/d'\
1755       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1756       < Makefile.c > junk.c
1757   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1758       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1759   cat junk1.c junk2.c > Makefile.new
1760   rm -f junk.c junk1.c junk2.c
1761   chmod 444 Makefile.new
1762   mv -f Makefile.new Makefile
1763 )
1764
1765 echo creating src/Makefile
1766 ( cd src
1767   rm -f junk.c junk1.c junk2.c
1768   sed -e '/start of cpp stuff/q' \
1769       < Makefile.c > junk1.c
1770   sed -e '1,/start of cpp stuff/d'\
1771       -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1772       < Makefile.c > junk.c
1773   $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1774       sed -e 's/^ /     /' -e '/^#/d' -e '/^[   \f]*$/d' > junk2.c
1775   cat junk1.c junk2.c > Makefile.new
1776   rm -f junk.c junk1.c junk2.c
1777   chmod 444 Makefile.new
1778   mv -f Makefile.new Makefile
1779 )
1780
1781 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1782   echo creating src/.gdbinit
1783   echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1784 fi
1785
1786 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])