1 dnl This is an autoconf script.
2 dnl To rebuild the `configure' script from this, execute the command
4 dnl in the directory containing this script.
7 AC_CONFIG_HEADER(src/config.h:src/config.in)
9 lispdir='${datadir}/emacs/${version}/lisp'
10 locallisppath='${datadir}/emacs/site-lisp'
11 lisppath='${locallisppath}:${lispdir}'
12 etcdir='${datadir}/emacs/${version}/etc'
13 lockdir='${sharedstatedir}/emacs/lock'
14 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
15 docdir='${datadir}/emacs/${version}/etc'
18 [ --with-gcc use GCC to compile Emacs])
20 [ --with-pop support POP for mail retrieval],
21 [AC_DEFINE(MAIL_USE_POP)])
23 [ --with-kerberos support Kerberos-authenticated POP],
24 [AC_DEFINE(KERBEROS)])
26 [ --with-hesiod support Hesiod to get the POP server host],
28 dnl This should be the last --with option, because --with-x is
29 dnl added later on when we find the path of X, and it's best to
30 dnl keep them together visually.
31 AC_ARG_WITH(x-toolkit,
32 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif)],
33 [ case "${withval}" in
34 y | ye | yes ) val=athena ;;
36 l | lu | luc | luci | lucid ) val=lucid ;;
37 a | at | ath | athe | athen | athena ) val=athena ;;
38 m | mo | mot | moti | motif ) val=motif ;;
39 dnl These don't currently work.
40 dnl o | op | ope | open | open- | open-l | open-lo \
41 dnl | open-loo | open-look ) val=open-look ;;
43 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
44 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
45 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
46 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
47 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
53 #### Make srcdir absolute, if it isn't already. It's important to
54 #### avoid running the path through pwd unnecessary, since pwd can
55 #### give you automounter prefixes, which can go away. We do all this
56 #### so Emacs can find its files when run uninstalled.
60 ## We may be able to use the $PWD environment variable to make this
61 ## absolute. But sometimes PWD is inaccurate.
62 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
64 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
68 srcdir="`(cd ${srcdir}; pwd)`"
71 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
74 #### Check if the source directory already has a configured system in it.
75 if test `pwd` != `(cd ${srcdir} && pwd)` \
76 && test -f "${srcdir}/src/config.h" ; then
77 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
78 as a build directory right now; it has been configured in its own
79 right. To configure in another directory as well, you MUST
80 use GNU make. If you do not have GNU make, then you must
81 now do \`make distclean' in ${srcdir},
82 and then run $0 again.])
85 extrasub='/^VPATH[ ]*=/c\
95 #### Given the configuration name, set machfile and opsysfile to the
96 #### names of the m/*.h and s/*.h files we should use.
98 ### Canonicalize the configuration name.
102 configuration=$host_alias
106 ### If you add support for a new configuration, add code to this
107 ### switch statement to recognize your configuration name and select
108 ### the appropriate operating system and machine description files.
110 ### You would hope that you could choose an m/*.h file pretty much
111 ### based on the machine portion of the configuration name, and an s-
112 ### file based on the operating system portion. However, it turns out
113 ### that each m/*.h file is pretty manufacturer-specific - for
114 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
115 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
116 ### machines. So we basically have to have a special case for each
117 ### configuration name.
119 ### As far as handling version numbers on operating systems is
120 ### concerned, make sure things will fail in a fixable way. If
121 ### /etc/MACHINES doesn't say anything about version numbers, be
122 ### prepared to handle anything reasonably. If version numbers
123 ### matter, be sure /etc/MACHINES says something about it.
125 ### Eric Raymond says we should accept strings like "sysvr4" to mean
126 ### "System V Release 4"; he writes, "The old convention encouraged
127 ### confusion between `system' and `release' levels'."
129 machine='' opsys='' unported=no
130 case "${canonical}" in
135 case "${canonical}" in
136 i[345]86-*-netbsd*) machine=intel386 ;;
138 # This is somewhat bogus.
139 machine=hp9000s300 ;;
140 mips-*-netbsd*) machine=pmax ;;
141 ns32k-*-netbsd*) machine=ns32000 ;;
142 sparc-*-netbsd*) machine=sparc ;;
147 arm-acorn-riscix1.1* )
148 machine=acorn opsys=riscix1-1
150 arm-acorn-riscix1.2* | arm-acorn-riscix )
151 machine=acorn opsys=riscix1-2
155 ## Strictly speaking, we need the version of the alliant operating
156 ## system to choose the right machine file, but currently the
157 ## configuration name doesn't tell us enough to choose the right
158 ## one; we need to give alliants their own operating system name to
159 ## do this right. When someone cares, they can help us.
161 machine=alliant4 opsys=bsd4-2
164 machine=alliant-2800 opsys=bsd4-3
167 ## Alpha (DEC) machines.
169 machine=alpha opsys=osf1
173 machine=alpha opsys=linux
178 machine=altos opsys=usg5-2
183 machine=amdahl opsys=usg5-2-2
188 machine=apollo opsys=bsd4-3
191 ## AT&T 3b2, 3b5, 3b15, 3b20
193 machine=att3b opsys=usg5-2-2
196 ## AT&T 3b1 - The Mighty Unix PC!
198 machine=7300 opsys=usg5-2-2
203 machine=ibmrs6000 opsys=aix3-2
208 machine=dpx2 opsys=usg5-3
213 machine=sps7 opsys=usg5-2
216 ## CCI 5/32, 6/32 -- see "Tahoe".
219 ## I don't know what configuration name to use for this; config.sub
220 ## doesn't seem to know anything about it. Hey, Celerity users, get
222 celerity-celerity-bsd* )
223 machine=celerity opsys=bsd4-2
227 ## What operating systems does this chip run that Emacs has been
231 ## We'll use the catch-all code at the bottom to guess the
236 *-convex-bsd* | *-convex-convexos* )
237 machine=convex opsys=bsd4-3
238 ## Prevents suprious white space in makefiles - d.m.cooke@larc.nasa.gov
239 NON_GNU_CPP="cc -E -P"
243 i[345]86-cubix-sysv* )
244 machine=intel386 opsys=usg5-3
248 cydra*-cydrome-sysv* )
249 machine=cydra5 opsys=usg5-3
252 ## Data General AViiON Machines
253 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
254 machine=aviion opsys=dgux5-4r3
256 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
257 machine=aviion opsys=dgux5-4r2
260 machine=aviion opsys=dgux
264 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
265 machine=pmax opsys=bsd4-2
267 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
268 machine=pmax opsys=bsd4-3
271 machine=pmax opsys=ultrix4-3
274 machine=pmax opsys=osf1
276 mips-dec-mach_bsd4.3* )
277 machine=pmax opsys=mach-bsd4-3
280 ## Motorola Delta machines
281 m68k-motorola-sysv* | m68000-motorola-sysv* )
282 machine=delta opsys=usg5-3
283 if test -z "`type gnucc | grep 'not found'`"
285 if test -s /etc/167config
286 then CC="gnucc -m68040"
287 else CC="gnucc -m68881"
290 if test -z "`type gcc | grep 'not found'`"
296 m88k-motorola-sysv4* )
297 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
298 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
299 # I hope there are not other 4.0 versions for this machine
300 # which really need usg5-4 instead.
301 machine=delta88k opsys=usg5-4-2
303 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
304 machine=delta88k opsys=usg5-3
309 machine=dual opsys=usg5-2
312 machine=dual opsys=unipl5-2
317 machine=elxsi opsys=usg5-2
322 machine=ns16000 opsys=umax
325 ## The GEC 93 - apparently, this port isn't really finished yet.
327 ## Gould Power Node and NP1
329 machine=gould opsys=bsd4-2
332 machine=gould opsys=bsd4-3
335 machine=gould-np1 opsys=bsd4-3
338 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
339 ## as far as Emacs is concerned).
341 # Build needs to be different on 7.0 and later releases
343 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
344 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
346 NON_GNU_CPP="/lib/cpp"
348 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
350 machine=nh3000 opsys=cxux
352 ## Harris power pc NightHawk running Power UNIX (Series 6000)
353 powerpc-harris-powerunix )
354 machine=nh6000 opsys=powerunix
355 NON_GNU_CPP="cc -Xo -E -P"
359 xps*-honeywell-sysv* )
360 machine=xps100 opsys=usg5-2
363 ## HP 9000 series 200 or 300
365 machine=hp9000s300 opsys=bsd4-3
367 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
370 ## Someone's system reports A.B8.05 for this.
371 ## I wonder what other possibilities there are.
372 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
373 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
374 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
375 *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
376 *) machine=hp9000s300 opsys=hpux ;;
380 ## HP 9000 series 700 and 800, running HP/UX
382 machine=hp800 opsys=hpux
385 machine=hp800 opsys=hpux8
388 machine=hp800 opsys=hpux9shr
391 machine=hp800 opsys=hpux9
394 machine=hp800 opsys=hpux10
397 ## HP 9000 series 700 and 800, running HP/UX
399 ## Cross-compilation? Nah!
401 ## Someone's system reports A.B8.05 for this.
402 ## I wonder what other possibilities there are.
403 *.B8.* ) machine=hp800 opsys=hpux8 ;;
404 *.08.* ) machine=hp800 opsys=hpux8 ;;
405 *.09.* ) machine=hp800 opsys=hpux9 ;;
406 *) machine=hp800 opsys=hpux ;;
412 machine=orion opsys=bsd4-2
415 machine=orion105 opsys=bsd4-2
419 i[345]86-ibm-aix1.1* )
420 machine=ibmps2-aix opsys=usg5-2-2
422 i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
423 machine=ibmps2-aix opsys=usg5-3
426 machine=ibm370aix opsys=usg5-3
428 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
429 machine=ibmrs6000 opsys=aix3-1
431 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
432 machine=ibmrs6000 opsys=aix3-2-5
434 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
435 machine=ibmrs6000 opsys=aix4-1
437 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
438 machine=ibmrs6000 opsys=aix4
440 rs6000-ibm-aix* | powerpc-ibm-aix* )
441 machine=ibmrs6000 opsys=aix3-2
444 machine=ibmrt opsys=bsd4-3
447 machine=ibmrt opsys=bsd4-2
450 machine=ibmrt opsys=bsd4-3
453 machine=ibmrt opsys=bsd4-2
456 machine=ibmrt opsys=bsd4-3
459 machine=ibmrt opsys=bsd4-3
462 machine=ibmrt-aix opsys=usg5-2-2
465 ## Integrated Solutions `Optimum V'
467 machine=isi-ov opsys=bsd4-2
470 machine=isi-ov opsys=bsd4-3
473 ## Intel 386 machines where we do care about the manufacturer
474 i[345]86-intsys-sysv* )
475 machine=is386 opsys=usg5-2-2
479 i[345]86-prime-sysv* )
480 machine=i386 opsys=usg5-3
483 ## Sequent Symmetry running Dynix
484 i[345]86-sequent-bsd* )
485 machine=symmetry opsys=bsd4-3
488 ## Sequent Symmetry running DYNIX/ptx
489 ## Use the old cpp rather than the newer ANSI one.
490 i[345]86-sequent-ptx* )
491 machine=sequent-ptx opsys=ptx
492 NON_GNU_CPP="/lib/cpp"
495 ## Unspecified sysv on an ncr machine defaults to svr4.2.
496 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
498 machine=ncr386 opsys=usg5-4-2
501 ## Intel Paragon OSF/1
503 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
508 machine=i860 opsys=usg5-4
509 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
510 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
515 machine=masscomp opsys=rtu
520 machine=mega68 opsys=bsd4-2
523 ## Workstations sold by MIPS
524 ## This is not necessarily all workstations using the MIPS processor -
525 ## Irises are produced by SGI, and DECstations by DEC.
527 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
528 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
529 ## it gives for choosing between the alternatives seems to be "Use
530 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
531 ## the BSD world." I'll assume that these are instructions for
532 ## handling two odd situations, and that every other situation
533 ## should use mips.h and usg5-2-2, they being listed first.
536 ## Fall through to the general code at the bottom to decide on the OS.
539 machine=mips4 opsys=bsd4-3
540 NON_GNU_CC="cc -systype bsd43"
541 NON_GNU_CPP="cc -systype bsd43 -E"
544 machine=mips4 opsys=riscos5
545 NON_GNU_CC="cc -systype bsd43"
546 NON_GNU_CPP="cc -systype bsd43 -E"
549 machine=mips opsys=bsd4-3
552 machine=mips opsys=usg5-2-2
556 m68*-next-* | m68k-*-nextstep* )
557 machine=m68k opsys=nextstep
560 ## The complete machine from National Semiconductor
562 machine=ns32000 opsys=usg5-2
566 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
567 machine=tower32 opsys=usg5-2-2
569 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
570 machine=tower32v3 opsys=usg5-3
575 machine=targon31 opsys=usg5-2-2
580 machine=nu opsys=usg5-2
585 machine=plexus opsys=usg5-2
589 ## I don't really have any idea what sort of processor the Pyramid has,
590 ## so I'm assuming it is its own architecture.
591 pyramid-pyramid-bsd* )
592 machine=pyramid opsys=bsd4-2
596 ns32k-sequent-bsd4.2* )
597 machine=sequent opsys=bsd4-2
599 ns32k-sequent-bsd4.3* )
600 machine=sequent opsys=bsd4-3
604 mips-siemens-sysv* | mips-sni-sysv*)
605 machine=mips-siemens opsys=usg5-4
606 NON_GNU_CC=/usr/ccs/bin/cc
607 NON_GNU_CPP=/usr/ccs/lib/cpp
610 ## Silicon Graphics machines
611 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
613 machine=irist opsys=iris3-5
615 m68*-sgi-iris3.6* | m68*-sgi-iris*)
616 machine=irist opsys=iris3-6
620 machine=iris4d opsys=irix3-3
623 machine=iris4d opsys=irix4-0
626 machine=iris4d opsys=irix6-0 NON_GNU_CPP=/lib/cpp
628 mips-sgi-irix5.[01]* )
629 machine=iris4d opsys=irix5-0
631 mips-sgi-irix5* | mips-sgi-irix* )
632 machine=iris4d opsys=irix5-2
637 machine=news opsys=bsd4-2
640 machine=news opsys=bsd4-3
642 m68*-sony-newsos3* | m68*-sony-news3*)
643 machine=news opsys=bsd4-3
645 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
646 machine=news-risc opsys=bsd4-3
649 machine=news-risc opsys=newsos5
654 machine=stride opsys=usg5-2
658 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
659 | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
660 | rs6000-*-solaris2*)
661 case "${canonical}" in
662 m68*-sunos1* ) machine=sun1 ;;
663 m68*-sunos2* ) machine=sun2 ;;
664 m68* ) machine=sun3 ;;
665 i[345]86-sun-sunos[34]* ) machine=sun386 ;;
666 i[345]86-*-* ) machine=intel386 ;;
667 powerpc* | rs6000* ) machine=rs6000 ;;
668 sparc* ) machine=sparc ;;
671 case "${canonical}" in
672 ## The Sun386 didn't get past 4.0.
673 i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
674 *-sunos4.0* ) opsys=sunos4-0 ;;
675 *-sunos4.1.[3-9]* | *-sunos4shr*)
677 NON_GNU_CPP=/usr/lib/cpp
679 *-sunos4.1.[3-9]*-noshare )
681 NON_GNU_CPP=/usr/lib/cpp
682 NON_GCC_TEST_OPTIONS=-Bstatic
683 GCC_TEST_OPTIONS=-static
685 *-sunos4* | *-sunos )
687 NON_GCC_TEST_OPTIONS=-Bstatic
688 GCC_TEST_OPTIONS=-static
690 *-sunos5.3* | *-solaris2.3* )
692 NON_GNU_CPP=/usr/ccs/lib/cpp
694 *-sunos5.4* | *-solaris2.4* )
696 NON_GNU_CPP=/usr/ccs/lib/cpp
699 *-sunos5.5* | *-solaris2.5* )
701 NON_GNU_CPP=/usr/ccs/lib/cpp
704 *-sunos5* | *-solaris* )
706 NON_GNU_CPP=/usr/ccs/lib/cpp
712 machine=sparc opsys=nextstep
717 machine=tad68k opsys=usg5-3
721 tahoe-tahoe-bsd4.2* )
722 machine=tahoe opsys=bsd4-2
724 tahoe-tahoe-bsd4.3* )
725 machine=tahoe opsys=bsd4-3
728 ## Tandem Integrity S2
730 machine=tandem-s2 opsys=usg5-3
734 m88k-tektronix-sysv3* )
735 machine=tekxd88 opsys=usg5-3
738 ## Tektronix 16000 box (6130?)
739 ns16k-tektronix-bsd* )
740 machine=ns16000 opsys=bsd4-2
743 ## src/m/tek4300.h hints that this is a m68k machine.
744 m68*-tektronix-bsd* )
745 machine=tek4300 opsys=bsd4-3
749 ## We seem to have lost the machine-description file titan.h!
751 machine=titan opsys=usg5-3
754 ## Ustation E30 (SS5E)
755 m68*-unisys-uniplus* )
756 machine=ustation opsystem=unipl5-2
762 case "${canonical}" in
763 *-bsd4.1* ) opsys=bsd4-1 ;;
764 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
765 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
766 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
767 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
768 *-vms* ) opsys=vms ;;
774 ns16k-whitechapel-* )
776 ## We don't know what sort of OS runs on these; we'll let the
777 ## operating system guessing code below try.
782 machine=wicat opsys=usg5-2
785 ## Intel 386 machines where we don't care about the manufacturer
788 case "${canonical}" in
789 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
790 *-isc2.2* ) opsys=isc2-2 ;;
791 *-isc4.0* ) opsys=isc4-0 ;;
792 *-isc4.* ) opsys=isc4-1
793 GCC_TEST_OPTIONS=-posix
794 NON_GCC_TEST_OPTIONS=-Xp
796 *-isc* ) opsys=isc3-0 ;;
797 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
798 *-esix* ) opsys=esix ;;
799 *-xenix* ) opsys=xenix ;;
800 *-linux* ) opsys=linux ;;
801 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
802 *-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
803 *-bsdi2* ) opsys=bsdos2 ;;
804 *-386bsd* ) opsys=386bsd ;;
805 *-freebsd* ) opsys=freebsd ;;
806 *-nextstep* ) opsys=nextstep ;;
807 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
813 machine=m68k opsys=linux
821 ### If the code above didn't choose an operating system, just choose
822 ### an operating system based on the configuration name. You really
823 ### only want to use this when you have no idea what the right
824 ### operating system is; if you know what operating systems a machine
825 ### runs, it's cleaner to make it explicit in the case statement
827 if test x"${opsys}" = x; then
828 case "${canonical}" in
829 *-gnu* ) opsys=gnu ;;
830 *-bsd4.[01] ) opsys=bsd4-1 ;;
831 *-bsd4.2 ) opsys=bsd4-2 ;;
832 *-bsd4.3 ) opsys=bsd4-3 ;;
833 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
834 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
835 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
836 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
837 *-sysv4.1* | *-sysvr4.1* )
838 NON_GNU_CPP=/usr/lib/cpp
840 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
841 if [ x$NON_GNU_CPP = x ]; then
842 NON_GNU_CPP=/usr/ccs/lib/cpp
845 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
852 if test "x$RANLIB" = x; then
858 if test $unported = yes; then
859 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
860 Check \`etc/MACHINES' for recognized configuration names.])
863 machfile="m/${machine}.h"
864 opsysfile="s/${opsys}.h"
867 #### Choose a compiler.
868 test -n "$CC" && cc_specified=yes
870 # Save the value of CFLAGS that the user specified.
871 SPECIFIED_CFLAGS="$CFLAGS"
874 "yes" ) CC="gcc" GCC=yes ;;
879 # On Suns, sometimes $CPP names a directory.
880 if test -n "$CPP" && test -d "$CPP"; then
884 #### Some systems specify a CPP to use unless we are using GCC.
885 #### Now that we know whether we are using GCC, we can decide whether
886 #### to use that one.
887 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
892 #### Some systems specify a CC to use unless we are using GCC.
893 #### Now that we know whether we are using GCC, we can decide whether
894 #### to use that one.
895 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
896 test x$cc_specified != xyes
901 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
903 CC="$CC $GCC_TEST_OPTIONS"
906 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
908 CC="$CC $NON_GCC_TEST_OPTIONS"
911 #### Some other nice autoconf tests. If you add a test here which
912 #### should make an entry in src/config.h, don't forget to add an
913 #### #undef clause to src/config.h.in for autoconf to modify.
915 dnl checks for programs
921 dnl checks for Unix variants
924 dnl checks for header files
925 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
930 dnl Some systems have utime.h but don't declare the struct anyplace.
931 AC_MSG_CHECKING(for struct utimbuf)
932 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
933 #include <sys/time.h>
936 #ifdef HAVE_SYS_TIME_H
937 #include <sys/time.h>
944 #endif], [static struct utimbuf x; x.actime = x.modtime;],
946 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
949 dnl checks for typedefs
952 AC_MSG_CHECKING(for struct timeval)
953 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
954 #include <sys/time.h>
957 #ifdef HAVE_SYS_TIME_H
958 #include <sys/time.h>
962 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
965 AC_DEFINE(HAVE_TIMEVAL)],
968 dnl checks for structure members
972 dnl checks for compiler characteristics
975 dnl check for Make feature
978 dnl checks for operating system services
979 AC_SYS_LONG_FILE_NAMES
981 #### Choose a window system.
984 if test "$no_x" = yes; then
990 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
991 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
992 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
994 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
995 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
998 if test x"${x_includes}" = x; then
999 bitmapdir=/usr/include/X11/bitmaps
1001 # accumulate include directories that have X11 bitmap sudirectories
1003 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1004 if test -d "${bmd}/X11/bitmaps"; then
1005 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1006 elif test -d "${bmd}/bitmaps"; then
1007 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1010 if test ${bmd_acc} != "dummyval"; then
1011 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1015 case "${window_system}" in
1019 case "${with_x_toolkit}" in
1020 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1021 motif ) USE_X_TOOLKIT=MOTIF ;;
1022 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1023 * ) USE_X_TOOLKIT=none ;;
1032 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1034 ### If we're using X11, we should use the X menu package.
1037 yes ) HAVE_MENUS=yes ;;
1040 if test "${opsys}" = "hpux9"; then
1041 case "${x_libraries}" in
1043 opsysfile="s/hpux9-x11r4.h"
1048 if test "${opsys}" = "hpux9shr"; then
1049 case "${x_libraries}" in
1051 opsysfile="s/hpux9shxr4.h"
1056 #### Extract some information from the operating system and machine files.
1058 AC_CHECKING([the machine- and system-dependent files to find out
1059 - which libraries the lib-src programs will want, and
1060 - whether the GNU malloc routines are usable])
1062 ### First figure out CFLAGS (which we use for running the compiler here)
1063 ### and REAL_CFLAGS (which we use for real compilation).
1064 ### The two are the same except on a few systems, where they are made
1065 ### different to work around various lossages. For example,
1066 ### GCC 2.5 on Linux needs them to be different because it treats -g
1067 ### as implying static linking.
1069 ### If the CFLAGS env var is specified, we use that value
1070 ### instead of the default.
1072 ### It's not important that this name contain the PID; you can't run
1073 ### two configures in the same directory and have anything work
1075 tempcname="conftest.c"
1078 #include "'${srcdir}'/src/'${opsysfile}'"
1079 #include "'${srcdir}'/src/'${machfile}'"
1080 #ifndef LIBS_MACHINE
1081 #define LIBS_MACHINE
1086 #ifndef C_SWITCH_SYSTEM
1087 #define C_SWITCH_SYSTEM
1089 #ifndef C_SWITCH_MACHINE
1090 #define C_SWITCH_MACHINE
1092 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1093 configure___ c_switch_system=C_SWITCH_SYSTEM
1094 configure___ c_switch_machine=C_SWITCH_MACHINE
1097 #define LIB_X11_LIB -lX11
1100 #ifndef LIBX11_MACHINE
1101 #define LIBX11_MACHINE
1104 #ifndef LIBX11_SYSTEM
1105 #define LIBX11_SYSTEM
1107 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1110 configure___ unexec=UNEXEC
1112 configure___ unexec=unexec.o
1115 #ifdef SYSTEM_MALLOC
1116 configure___ system_malloc=yes
1118 configure___ system_malloc=no
1121 #ifndef C_DEBUG_SWITCH
1122 #define C_DEBUG_SWITCH -g
1125 #ifndef C_OPTIMIZE_SWITCH
1126 #define C_OPTIMIZE_SWITCH -O
1129 #ifdef THIS_IS_CONFIGURE
1131 /* Get the CFLAGS for tests in configure. */
1133 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1135 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1138 #else /* not THIS_IS_CONFIGURE */
1140 /* Get the CFLAGS for real compilation. */
1142 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1144 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1147 #endif /* not THIS_IS_CONFIGURE */
1150 # The value of CPP is a quoted variable reference, so we need to do this
1151 # to get its actual value...
1152 CPP=`eval "echo $CPP"`
1154 eval `${CPP} -Isrc ${tempcname} \
1155 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1156 if test "x$SPECIFIED_CFLAGS" = x; then
1157 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1158 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1160 REAL_CFLAGS="$CFLAGS"
1162 changequote([, ])dnl
1165 ### Compute the unexec source name from the object name.
1166 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1168 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1169 # Assume not, until told otherwise.
1171 if test "${system_malloc}" = "yes"; then
1174 (The GNU allocators don't work with this system configuration.)"
1177 if test x"${REL_ALLOC}" = x; then
1178 REL_ALLOC=${GNU_MALLOC}
1184 #### Add the libraries to LIBS and check for some functions.
1186 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1187 LIBS="$libsrc_libs $LIBS"
1189 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1190 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1191 AC_CHECK_LIB(dnet, dnet_ntoa)
1192 dnl This causes -lresolv to get used in subsequent tests,
1193 dnl which causes failures on some systems such as HPUX 9.
1194 dnl AC_CHECK_LIB(resolv, gethostbyname)
1196 dnl FIXME replace main with a function we actually want from this library.
1197 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1199 AC_CHECK_LIB(pthreads, cma_open)
1201 AC_MSG_CHECKING(for XFree86)
1202 if test -d /usr/X386/include; then
1204 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1208 AC_MSG_RESULT($HAVE_XFREE386)
1210 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1211 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1213 if test "${HAVE_X11}" = "yes"; then
1214 DEFS="$C_SWITCH_X_SITE $DEFS"
1215 LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1216 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1218 if test "${opsys}" = "linux"; then
1219 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1221 [XOpenDisplay ("foo");],
1222 [xlinux_first_failure=no],
1223 [xlinux_first_failure=yes])
1224 if test "${xlinux_first_failure}" = "yes"; then
1225 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1226 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1227 OLD_CPPFLAGS="$CPPFLAGS"
1229 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1230 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1231 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1232 LIBS="$LIBS -b i486-linuxaout"
1234 [XOpenDisplay ("foo");],
1235 [xlinux_second_failure=no],
1236 [xlinux_second_failure=yes])
1237 if test "${xlinux_second_failure}" = "yes"; then
1238 # If we get the same failure with -b, there is no use adding -b.
1239 # So take it out. This plays safe.
1240 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1241 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1242 CPPFLAGS="$OLD_CPPFLAGS"
1253 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1254 XScreenNumberOfScreen XSetWMProtocols)
1255 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1258 if test "${window_system}" = "x11"; then
1259 AC_MSG_CHECKING(X11 version)
1260 AC_TRY_LINK([#include <X11/Xlib.h>],
1261 [#if XlibSpecificationRelease < 6
1264 ], [AC_MSG_RESULT(6)
1265 AC_DEFINE(HAVE_X11R6)],
1266 [AC_MSG_RESULT(not 6)])
1269 if test "${USE_X_TOOLKIT}" != "none"; then
1270 AC_MSG_CHECKING(X11 toolkit version)
1271 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1272 [#if XtSpecificationRelease < 6
1275 ], [AC_MSG_RESULT(6)
1276 AC_DEFINE(HAVE_X11XTR6)],
1277 [AC_MSG_RESULT(not 6)])
1280 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1281 AC_MSG_CHECKING(whether netdb declares h_errno)
1282 AC_TRY_LINK([#include <netdb.h>],
1285 AC_DEFINE(HAVE_H_ERRNO)],
1286 [AC_MSG_RESULT(no)])
1290 # fmod, logb, and frexp are found in -lm on most systems.
1291 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1292 AC_CHECK_LIB(m, sqrt(0.0) + t)
1293 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1294 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1295 strerror fpathconf select mktime eaccess getpagesize tzset)
1297 AC_MSG_CHECKING(whether localtime caches TZ)
1298 AC_CACHE_VAL(emacs_cv_localtime_cache,
1299 [if test $ac_cv_func_tzset = yes; then
1300 AC_TRY_RUN([#include <time.h>
1302 # include <stdlib.h>
1306 time_t now = time ((time_t *) 0);
1308 if (putenv ("TZ=GMT0") != 0)
1310 hour = localtime (&now)->tm_hour;
1311 if (putenv ("TZ=PST8") != 0)
1313 exit (localtime (&now)->tm_hour == hour);
1314 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1315 [# If we have tzset, assume the worst when cross-compiling.
1316 emacs_cv_localtime_cache=yes])
1318 # If we lack tzset, report that localtime does not cache TZ,
1319 # since we can't invalidate the cache if we don't have tzset.
1320 emacs_cv_localtime_cache=no
1322 AC_MSG_RESULT($emacs_cv_localtime_cache)
1323 if test $emacs_cv_localtime_cache = yes; then
1324 AC_DEFINE(LOCALTIME_CACHE)
1327 if test "x$HAVE_TIMEVAL" = xyes; then
1328 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1330 #ifdef TIME_WITH_SYS_TIME
1331 #include <sys/time.h>
1334 #ifdef HAVE_SYS_TIME_H
1335 #include <sys/time.h>
1342 struct timeval time;
1343 struct timezone dummy;
1344 gettimeofday (&time, &dummy);
1346 [AC_MSG_RESULT(no)],
1348 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1352 AC_CHECK_FUNC(socket, , ok_so_far=no)
1353 if test $ok_so_far = yes; then
1354 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1356 if test $ok_so_far = yes; then
1357 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1359 if test $ok_so_far = yes; then
1360 AC_DEFINE(HAVE_INET_SOCKETS)
1363 if test -f /usr/lpp/X11/bin/smt.exp; then
1364 AC_DEFINE(HAVE_AIX_SMT_EXP)
1367 # Set up the CFLAGS for real compilation, so we can substitute it.
1368 CFLAGS="$REAL_CFLAGS"
1371 #### Find out which version of Emacs this is.
1372 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1373 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1374 changequote([, ])dnl
1375 if test x"${version}" = x; then
1376 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1379 ### Specify what sort of things we'll be editing into Makefile and config.h.
1380 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1382 AC_SUBST(configuration)
1386 AC_SUBST(exec_prefix)
1389 AC_SUBST(sharedstatedir)
1390 AC_SUBST(libexecdir)
1394 AC_SUBST(locallisppath)
1398 AC_SUBST(archlibdir)
1401 AC_SUBST(c_switch_system)
1402 AC_SUBST(c_switch_machine)
1403 AC_SUBST(LD_SWITCH_X_SITE)
1404 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1405 AC_SUBST(C_SWITCH_X_SITE)
1407 AC_SUBST(X_TOOLKIT_TYPE)
1412 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1413 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1414 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1415 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1416 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1417 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1418 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1419 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1421 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1422 AC_DEFINE(HAVE_X_WINDOWS)
1424 if test "${USE_X_TOOLKIT}" != "none" ; then
1425 AC_DEFINE(USE_X_TOOLKIT)
1427 if test "${HAVE_X11}" = "yes" ; then
1430 if test "${HAVE_XFREE386}" = "yes" ; then
1431 AC_DEFINE(HAVE_XFREE386)
1433 if test "${HAVE_MENUS}" = "yes" ; then
1434 AC_DEFINE(HAVE_MENUS)
1436 if test "${GNU_MALLOC}" = "yes" ; then
1437 AC_DEFINE(GNU_MALLOC)
1439 if test "${REL_ALLOC}" = "yes" ; then
1440 AC_DEFINE(REL_ALLOC)
1442 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1443 AC_DEFINE(LISP_FLOAT_TYPE)
1446 #### Report on what we decided to do.
1448 Configured for \`${canonical}'.
1450 Where should the build process find the source code? ${srcdir}
1451 What operating system and machine description files should Emacs use?
1452 \`${opsysfile}' and \`${machfile}'
1453 What compiler should emacs be built with? ${CC} ${CFLAGS}
1454 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1455 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1456 What window system should Emacs use? ${window_system}
1457 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1459 if test -n "${x_includes}"; then
1460 echo " Where do we find X Windows header files? ${x_includes}"
1462 echo " Where do we find X Windows header files? Standard dirs"
1464 if test -n "${x_libraries}"; then
1465 echo " Where do we find X Windows libraries? ${x_libraries}"
1467 echo " Where do we find X Windows libraries? Standard dirs"
1472 # Remove any trailing slashes in these variables.
1474 test "${prefix}" != NONE &&
1475 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1476 test "${exec_prefix}" != NONE &&
1477 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1478 changequote([, ])dnl
1480 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1481 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1483 ### Make the necessary directories, if they don't exist.
1484 for dir in cpp etc ; do
1485 test -d ${dir} || mkdir ${dir}
1488 # Build src/Makefile from ${srcdir}/src/Makefile.c
1489 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1490 # This must be done after src/config.h is built, since we rely on that file.
1492 changequote(, )dnl The horror, the horror.
1493 # Now get this: Some word that is part of the ${srcdir} directory name
1494 # or the ${configuration} value might, just might, happen to be an
1495 # identifier like `sun4' or `i386' or something, and be predefined by
1496 # the C preprocessor to some helpful value like 1, or maybe the empty
1497 # string. Needless to say consequent macro substitutions are less
1498 # than conducive to the makefile finding the correct directory.
1499 undefs="`echo $top_srcdir $configuration $canonical |
1500 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1501 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1503 changequote([, ])dnl
1505 echo creating lib-src/Makefile
1507 rm -f junk.c junk1.c junk2.c
1508 sed -e '/start of cpp stuff/q' \
1509 < Makefile.c > junk1.c
1510 sed -e '1,/start of cpp stuff/d'\
1511 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1512 < Makefile.c > junk.c
1513 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1514 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1515 cat junk1.c junk2.c > Makefile.new
1516 rm -f junk.c junk1.c junk2.c
1517 chmod 444 Makefile.new
1518 mv -f Makefile.new Makefile
1521 echo creating src/Makefile
1523 rm -f junk.c junk1.c junk2.c
1524 sed -e '/start of cpp stuff/q' \
1525 < Makefile.c > junk1.c
1526 sed -e '1,/start of cpp stuff/d'\
1527 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1528 < Makefile.c > junk.c
1529 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1530 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1531 cat junk1.c junk2.c > Makefile.new
1532 rm -f junk.c junk1.c junk2.c
1533 chmod 444 Makefile.new
1534 mv -f Makefile.new Makefile
1537 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1538 echo creating src/.gdbinit
1539 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1542 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])