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='${datadir}/emacs/site-lisp:'\
11 '${datadir}/emacs/${version}/site-lisp'
12 lisppath='${locallisppath}:${lispdir}'
13 etcdir='${datadir}/emacs/${version}/etc'
14 lockdir='${sharedstatedir}/emacs/lock'
15 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
16 docdir='${datadir}/emacs/${version}/etc'
19 [ --with-gcc use GCC to compile Emacs])
21 [ --with-pop support POP for mail retrieval],
22 [AC_DEFINE(MAIL_USE_POP)])
24 [ --with-kerberos support Kerberos-authenticated POP],
25 [AC_DEFINE(KERBEROS)])
27 [ --with-hesiod support Hesiod to get the POP server host],
29 dnl This should be the last --with option, because --with-x is
30 dnl added later on when we find the path of X, and it's best to
31 dnl keep them together visually.
32 AC_ARG_WITH(x-toolkit,
33 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif)],
34 [ case "${withval}" in
35 y | ye | yes ) val=athena ;;
37 l | lu | luc | luci | lucid ) val=lucid ;;
38 a | at | ath | athe | athen | athena ) val=athena ;;
39 m | mo | mot | moti | motif ) val=motif ;;
40 dnl These don't currently work.
41 dnl o | op | ope | open | open- | open-l | open-lo \
42 dnl | open-loo | open-look ) val=open-look ;;
44 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
45 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
46 AC_MSG_ERROR([\`--with-x-toolkit=$withval' is invalid\;
47 this option's value should be \`yes', \`no', \`lucid', \`athena', or \`motif'.
48 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
54 #### Make srcdir absolute, if it isn't already. It's important to
55 #### avoid running the path through pwd unnecessary, since pwd can
56 #### give you automounter prefixes, which can go away. We do all this
57 #### so Emacs can find its files when run uninstalled.
61 ## We may be able to use the $PWD environment variable to make this
62 ## absolute. But sometimes PWD is inaccurate.
63 ## Make sure CDPATH doesn't affect cd (in case PWD is relative).
65 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
69 srcdir="`(cd ${srcdir}; pwd)`"
72 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
75 #### Check if the source directory already has a configured system in it.
76 if test `pwd` != `(cd ${srcdir} && pwd)` \
77 && test -f "${srcdir}/src/config.h" ; then
78 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
79 as a build directory right now; it has been configured in its own
80 right. To configure in another directory as well, you MUST
81 use GNU make. If you do not have GNU make, then you must
82 now do \`make distclean' in ${srcdir},
83 and then run $0 again.])
86 extrasub='/^VPATH[ ]*=/c\
96 #### Given the configuration name, set machfile and opsysfile to the
97 #### names of the m/*.h and s/*.h files we should use.
99 ### Canonicalize the configuration name.
103 configuration=$host_alias
107 ### If you add support for a new configuration, add code to this
108 ### switch statement to recognize your configuration name and select
109 ### the appropriate operating system and machine description files.
111 ### You would hope that you could choose an m/*.h file pretty much
112 ### based on the machine portion of the configuration name, and an s-
113 ### file based on the operating system portion. However, it turns out
114 ### that each m/*.h file is pretty manufacturer-specific - for
115 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
116 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
117 ### machines. So we basically have to have a special case for each
118 ### configuration name.
120 ### As far as handling version numbers on operating systems is
121 ### concerned, make sure things will fail in a fixable way. If
122 ### /etc/MACHINES doesn't say anything about version numbers, be
123 ### prepared to handle anything reasonably. If version numbers
124 ### matter, be sure /etc/MACHINES says something about it.
126 ### Eric Raymond says we should accept strings like "sysvr4" to mean
127 ### "System V Release 4"; he writes, "The old convention encouraged
128 ### confusion between `system' and `release' levels'."
130 machine='' opsys='' unported=no
131 case "${canonical}" in
136 case "${canonical}" in
137 i[345]86-*-netbsd*) machine=intel386 ;;
139 # This is somewhat bogus.
140 machine=hp9000s300 ;;
141 mips-*-netbsd*) machine=pmax ;;
142 ns32k-*-netbsd*) machine=ns32000 ;;
143 sparc-*-netbsd*) machine=sparc ;;
148 arm-acorn-riscix1.1* )
149 machine=acorn opsys=riscix1-1
151 arm-acorn-riscix1.2* | arm-acorn-riscix )
152 machine=acorn opsys=riscix1-2
156 ## Strictly speaking, we need the version of the alliant operating
157 ## system to choose the right machine file, but currently the
158 ## configuration name doesn't tell us enough to choose the right
159 ## one; we need to give alliants their own operating system name to
160 ## do this right. When someone cares, they can help us.
162 machine=alliant4 opsys=bsd4-2
165 machine=alliant-2800 opsys=bsd4-3
168 ## Alpha (DEC) machines.
170 machine=alpha opsys=osf1
174 machine=alpha opsys=linux
179 machine=altos opsys=usg5-2
184 machine=amdahl opsys=usg5-2-2
189 machine=apollo opsys=bsd4-3
192 ## AT&T 3b2, 3b5, 3b15, 3b20
194 machine=att3b opsys=usg5-2-2
197 ## AT&T 3b1 - The Mighty Unix PC!
199 machine=7300 opsys=usg5-2-2
204 machine=ibmrs6000 opsys=aix3-2
209 machine=dpx2 opsys=usg5-3
214 machine=sps7 opsys=usg5-2
217 ## CCI 5/32, 6/32 -- see "Tahoe".
220 ## I don't know what configuration name to use for this; config.sub
221 ## doesn't seem to know anything about it. Hey, Celerity users, get
223 celerity-celerity-bsd* )
224 machine=celerity opsys=bsd4-2
228 ## What operating systems does this chip run that Emacs has been
232 ## We'll use the catch-all code at the bottom to guess the
237 *-convex-bsd* | *-convex-convexos* )
238 machine=convex opsys=bsd4-3
239 ## Prevents spurious white space in makefiles - d.m.cooke@larc.nasa.gov
240 NON_GNU_CPP="cc -E -P"
244 i[345]86-cubix-sysv* )
245 machine=intel386 opsys=usg5-3
249 cydra*-cydrome-sysv* )
250 machine=cydra5 opsys=usg5-3
253 ## Data General AViiON Machines
254 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
255 machine=aviion opsys=dgux5-4r3
257 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
258 machine=aviion opsys=dgux5-4r2
261 machine=aviion opsys=dgux
265 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
266 machine=pmax opsys=bsd4-2
268 mips-dec-ultrix4.[12]* | mips-dec-bsd* )
269 machine=pmax opsys=bsd4-3
272 machine=pmax opsys=ultrix4-3
275 machine=pmax opsys=osf1
277 mips-dec-mach_bsd4.3* )
278 machine=pmax opsys=mach-bsd4-3
281 ## Motorola Delta machines
282 m68k-motorola-sysv* | m68000-motorola-sysv* )
283 machine=delta opsys=usg5-3
284 if test -z "`type gnucc | grep 'not found'`"
286 if test -s /etc/167config
287 then CC="gnucc -m68040"
288 else CC="gnucc -m68881"
291 if test -z "`type gcc | grep 'not found'`"
297 m88k-motorola-sysv4* )
298 # jbotte@bnr.ca says that UNIX_System_V <hostName> 4.0 R40V4.3 m88k mc88110
299 # needs POSIX_SIGNALS and therefore needs usg5-4-2.
300 # I hope there are not other 4.0 versions for this machine
301 # which really need usg5-4 instead.
302 machine=delta88k opsys=usg5-4-2
304 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
305 machine=delta88k opsys=usg5-3
310 machine=dual opsys=usg5-2
313 machine=dual opsys=unipl5-2
318 machine=elxsi opsys=usg5-2
323 machine=ns16000 opsys=umax
326 ## The GEC 93 - apparently, this port isn't really finished yet.
328 ## Gould Power Node and NP1
330 machine=gould opsys=bsd4-2
333 machine=gould opsys=bsd4-3
336 machine=gould-np1 opsys=bsd4-3
339 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
340 ## as far as Emacs is concerned).
342 # Build needs to be different on 7.0 and later releases
344 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
345 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
347 NON_GNU_CPP="/lib/cpp"
349 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
351 machine=nh3000 opsys=cxux
353 ## Harris power pc NightHawk running Power UNIX (Series 6000)
354 powerpc-harris-powerunix )
355 machine=nh6000 opsys=powerunix
356 NON_GNU_CPP="cc -Xo -E -P"
360 xps*-honeywell-sysv* )
361 machine=xps100 opsys=usg5-2
364 ## HP 9000 series 200 or 300
366 machine=hp9000s300 opsys=bsd4-3
368 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
371 ## Someone's system reports A.B8.05 for this.
372 ## I wonder what other possibilities there are.
373 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
374 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
375 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
376 *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
377 *) machine=hp9000s300 opsys=hpux ;;
381 ## HP 9000 series 700 and 800, running HP/UX
383 machine=hp800 opsys=hpux
386 machine=hp800 opsys=hpux8
389 machine=hp800 opsys=hpux9shr
392 machine=hp800 opsys=hpux9
395 machine=hp800 opsys=hpux10
398 ## HP 9000 series 700 and 800, running HP/UX
400 ## Cross-compilation? Nah!
402 ## Someone's system reports A.B8.05 for this.
403 ## I wonder what other possibilities there are.
404 *.B8.* ) machine=hp800 opsys=hpux8 ;;
405 *.08.* ) machine=hp800 opsys=hpux8 ;;
406 *.09.* ) machine=hp800 opsys=hpux9 ;;
407 *) machine=hp800 opsys=hpux ;;
413 machine=orion opsys=bsd4-2
416 machine=orion105 opsys=bsd4-2
420 i[345]86-ibm-aix1.1* )
421 machine=ibmps2-aix opsys=usg5-2-2
423 i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
424 machine=ibmps2-aix opsys=usg5-3
427 machine=ibm370aix opsys=usg5-3
429 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
430 machine=ibmrs6000 opsys=aix3-1
432 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
433 machine=ibmrs6000 opsys=aix3-2-5
435 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
436 machine=ibmrs6000 opsys=aix4-1
438 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
439 machine=ibmrs6000 opsys=aix4
441 rs6000-ibm-aix* | powerpc-ibm-aix* )
442 machine=ibmrs6000 opsys=aix3-2
445 machine=ibmrt opsys=bsd4-3
448 machine=ibmrt opsys=bsd4-2
451 machine=ibmrt opsys=bsd4-3
454 machine=ibmrt opsys=bsd4-2
457 machine=ibmrt opsys=bsd4-3
460 machine=ibmrt opsys=bsd4-3
463 machine=ibmrt-aix opsys=usg5-2-2
466 ## Integrated Solutions `Optimum V'
468 machine=isi-ov opsys=bsd4-2
471 machine=isi-ov opsys=bsd4-3
474 ## Intel 386 machines where we do care about the manufacturer
475 i[345]86-intsys-sysv* )
476 machine=is386 opsys=usg5-2-2
480 i[345]86-prime-sysv* )
481 machine=i386 opsys=usg5-3
484 ## Sequent Symmetry running Dynix
485 i[345]86-sequent-bsd* )
486 machine=symmetry opsys=bsd4-3
489 ## Sequent Symmetry running DYNIX/ptx
490 ## Use the old cpp rather than the newer ANSI one.
491 i[345]86-sequent-ptx* )
492 machine=sequent-ptx opsys=ptx
493 NON_GNU_CPP="/lib/cpp"
496 ## Unspecified sysv on an ncr machine defaults to svr4.2.
497 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
499 machine=ncr386 opsys=usg5-4-2
502 ## Intel Paragon OSF/1
504 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
509 machine=i860 opsys=usg5-4
510 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
511 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
516 machine=masscomp opsys=rtu
521 machine=mega68 opsys=bsd4-2
524 ## Workstations sold by MIPS
525 ## This is not necessarily all workstations using the MIPS processor -
526 ## Irises are produced by SGI, and DECstations by DEC.
528 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
529 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
530 ## it gives for choosing between the alternatives seems to be "Use
531 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
532 ## the BSD world." I'll assume that these are instructions for
533 ## handling two odd situations, and that every other situation
534 ## should use mips.h and usg5-2-2, they being listed first.
537 ## Fall through to the general code at the bottom to decide on the OS.
540 machine=mips4 opsys=bsd4-3
541 NON_GNU_CC="cc -systype bsd43"
542 NON_GNU_CPP="cc -systype bsd43 -E"
545 machine=mips4 opsys=riscos5
546 NON_GNU_CC="cc -systype bsd43"
547 NON_GNU_CPP="cc -systype bsd43 -E"
550 machine=mips opsys=bsd4-3
553 machine=mips opsys=usg5-2-2
557 m68*-next-* | m68k-*-nextstep* )
558 machine=m68k opsys=nextstep
561 ## The complete machine from National Semiconductor
563 machine=ns32000 opsys=usg5-2
567 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
568 machine=tower32 opsys=usg5-2-2
570 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
571 machine=tower32v3 opsys=usg5-3
576 machine=targon31 opsys=usg5-2-2
581 machine=nu opsys=usg5-2
586 machine=plexus opsys=usg5-2
590 ## I don't really have any idea what sort of processor the Pyramid has,
591 ## so I'm assuming it is its own architecture.
592 pyramid-pyramid-bsd* )
593 machine=pyramid opsys=bsd4-2
597 ns32k-sequent-bsd4.2* )
598 machine=sequent opsys=bsd4-2
600 ns32k-sequent-bsd4.3* )
601 machine=sequent opsys=bsd4-3
605 mips-siemens-sysv* | mips-sni-sysv*)
606 machine=mips-siemens opsys=usg5-4
607 NON_GNU_CC=/usr/ccs/bin/cc
608 NON_GNU_CPP=/usr/ccs/lib/cpp
611 ## Silicon Graphics machines
612 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
614 machine=irist opsys=iris3-5
616 m68*-sgi-iris3.6* | m68*-sgi-iris*)
617 machine=irist opsys=iris3-6
621 machine=iris4d opsys=irix3-3
624 machine=iris4d opsys=irix4-0
627 machine=iris4d opsys=irix6-0 NON_GNU_CPP=/lib/cpp
629 mips-sgi-irix5.[01]* )
630 machine=iris4d opsys=irix5-0
632 mips-sgi-irix5* | mips-sgi-irix* )
633 machine=iris4d opsys=irix5-2
638 machine=news opsys=bsd4-2
641 machine=news opsys=bsd4-3
643 m68*-sony-newsos3* | m68*-sony-news3*)
644 machine=news opsys=bsd4-3
646 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
647 machine=news-risc opsys=bsd4-3
650 machine=news-risc opsys=newsos5
655 machine=stride opsys=usg5-2
659 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
660 | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
661 | rs6000-*-solaris2*)
662 case "${canonical}" in
663 m68*-sunos1* ) machine=sun1 ;;
664 m68*-sunos2* ) machine=sun2 ;;
665 m68* ) machine=sun3 ;;
666 i[345]86-sun-sunos[34]* ) machine=sun386 ;;
667 i[345]86-*-* ) machine=intel386 ;;
668 powerpc* | rs6000* ) machine=rs6000 ;;
669 sparc* ) machine=sparc ;;
672 case "${canonical}" in
673 ## The Sun386 didn't get past 4.0.
674 i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
675 *-sunos4.0* ) opsys=sunos4-0 ;;
676 *-sunos4.1.[3-9]* | *-sunos4shr*)
678 NON_GNU_CPP=/usr/lib/cpp
680 *-sunos4.1.[3-9]*-noshare )
682 NON_GNU_CPP=/usr/lib/cpp
683 NON_GCC_TEST_OPTIONS=-Bstatic
684 GCC_TEST_OPTIONS=-static
686 *-sunos4* | *-sunos )
688 NON_GCC_TEST_OPTIONS=-Bstatic
689 GCC_TEST_OPTIONS=-static
691 *-sunos5.3* | *-solaris2.3* )
693 NON_GNU_CPP=/usr/ccs/lib/cpp
695 *-sunos5.4* | *-solaris2.4* )
697 NON_GNU_CPP=/usr/ccs/lib/cpp
700 *-sunos5.5* | *-solaris2.5* )
702 NON_GNU_CPP=/usr/ccs/lib/cpp
705 *-sunos5* | *-solaris* )
707 NON_GNU_CPP=/usr/ccs/lib/cpp
713 machine=sparc opsys=nextstep
718 machine=tad68k opsys=usg5-3
722 tahoe-tahoe-bsd4.2* )
723 machine=tahoe opsys=bsd4-2
725 tahoe-tahoe-bsd4.3* )
726 machine=tahoe opsys=bsd4-3
729 ## Tandem Integrity S2
731 machine=tandem-s2 opsys=usg5-3
735 m88k-tektronix-sysv3* )
736 machine=tekxd88 opsys=usg5-3
739 ## Tektronix 16000 box (6130?)
740 ns16k-tektronix-bsd* )
741 machine=ns16000 opsys=bsd4-2
744 ## src/m/tek4300.h hints that this is a m68k machine.
745 m68*-tektronix-bsd* )
746 machine=tek4300 opsys=bsd4-3
750 ## We seem to have lost the machine-description file titan.h!
752 machine=titan opsys=usg5-3
755 ## Ustation E30 (SS5E)
756 m68*-unisys-uniplus* )
757 machine=ustation opsystem=unipl5-2
763 case "${canonical}" in
764 *-bsd4.1* ) opsys=bsd4-1 ;;
765 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
766 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
767 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
768 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
769 *-vms* ) opsys=vms ;;
775 ns16k-whitechapel-* )
777 ## We don't know what sort of OS runs on these; we'll let the
778 ## operating system guessing code below try.
783 machine=wicat opsys=usg5-2
786 ## Intel 386 machines where we don't care about the manufacturer
789 case "${canonical}" in
790 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
791 *-isc2.2* ) opsys=isc2-2 ;;
792 *-isc4.0* ) opsys=isc4-0 ;;
793 *-isc4.* ) opsys=isc4-1
794 GCC_TEST_OPTIONS=-posix
795 NON_GCC_TEST_OPTIONS=-Xp
797 *-isc* ) opsys=isc3-0 ;;
798 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
799 *-esix* ) opsys=esix ;;
800 *-xenix* ) opsys=xenix ;;
801 *-linux* ) opsys=linux ;;
802 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
803 *-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
804 *-bsdi2* ) opsys=bsdos2 ;;
805 *-386bsd* ) opsys=386bsd ;;
806 *-freebsd* ) opsys=freebsd ;;
807 *-nextstep* ) opsys=nextstep ;;
808 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
814 machine=m68k opsys=linux
822 ### If the code above didn't choose an operating system, just choose
823 ### an operating system based on the configuration name. You really
824 ### only want to use this when you have no idea what the right
825 ### operating system is; if you know what operating systems a machine
826 ### runs, it's cleaner to make it explicit in the case statement
828 if test x"${opsys}" = x; then
829 case "${canonical}" in
830 *-gnu* ) opsys=gnu ;;
831 *-bsd4.[01] ) opsys=bsd4-1 ;;
832 *-bsd4.2 ) opsys=bsd4-2 ;;
833 *-bsd4.3 ) opsys=bsd4-3 ;;
834 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
835 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
836 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
837 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
838 *-sysv4.1* | *-sysvr4.1* )
839 NON_GNU_CPP=/usr/lib/cpp
841 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
842 if [ x$NON_GNU_CPP = x ]; then
843 NON_GNU_CPP=/usr/ccs/lib/cpp
846 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
853 if test "x$RANLIB" = x; then
859 if test $unported = yes; then
860 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
861 Check \`etc/MACHINES' for recognized configuration names.])
864 machfile="m/${machine}.h"
865 opsysfile="s/${opsys}.h"
868 #### Choose a compiler.
869 test -n "$CC" && cc_specified=yes
871 # Save the value of CFLAGS that the user specified.
872 SPECIFIED_CFLAGS="$CFLAGS"
875 "yes" ) CC="gcc" GCC=yes ;;
880 # On Suns, sometimes $CPP names a directory.
881 if test -n "$CPP" && test -d "$CPP"; then
885 #### Some systems specify a CPP to use unless we are using GCC.
886 #### Now that we know whether we are using GCC, we can decide whether
887 #### to use that one.
888 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
893 #### Some systems specify a CC to use unless we are using GCC.
894 #### Now that we know whether we are using GCC, we can decide whether
895 #### to use that one.
896 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
897 test x$cc_specified != xyes
902 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
904 CC="$CC $GCC_TEST_OPTIONS"
907 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
909 CC="$CC $NON_GCC_TEST_OPTIONS"
912 #### Some other nice autoconf tests. If you add a test here which
913 #### should make an entry in src/config.h, don't forget to add an
914 #### #undef clause to src/config.h.in for autoconf to modify.
916 dnl checks for programs
922 dnl checks for Unix variants
925 dnl checks for header files
926 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
931 dnl Some systems have utime.h but don't declare the struct anyplace.
932 AC_MSG_CHECKING(for struct utimbuf)
933 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
934 #include <sys/time.h>
937 #ifdef HAVE_SYS_TIME_H
938 #include <sys/time.h>
945 #endif], [static struct utimbuf x; x.actime = x.modtime;],
947 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
950 dnl checks for typedefs
953 AC_MSG_CHECKING(for struct timeval)
954 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
955 #include <sys/time.h>
958 #ifdef HAVE_SYS_TIME_H
959 #include <sys/time.h>
963 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
966 AC_DEFINE(HAVE_TIMEVAL)],
969 dnl checks for structure members
973 dnl checks for compiler characteristics
976 dnl check for Make feature
979 dnl checks for operating system services
980 AC_SYS_LONG_FILE_NAMES
982 #### Choose a window system.
985 if test "$no_x" = yes; then
991 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
992 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
993 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
995 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
996 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
999 if test x"${x_includes}" = x; then
1000 bitmapdir=/usr/include/X11/bitmaps
1002 # accumulate include directories that have X11 bitmap subdirectories
1004 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1005 if test -d "${bmd}/X11/bitmaps"; then
1006 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1007 elif test -d "${bmd}/bitmaps"; then
1008 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1011 if test ${bmd_acc} != "dummyval"; then
1012 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1016 case "${window_system}" in
1020 case "${with_x_toolkit}" in
1021 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1022 motif ) USE_X_TOOLKIT=MOTIF ;;
1023 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1024 * ) USE_X_TOOLKIT=none ;;
1033 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1035 ### If we're using X11, we should use the X menu package.
1038 yes ) HAVE_MENUS=yes ;;
1041 if test "${opsys}" = "hpux9"; then
1042 case "${x_libraries}" in
1044 opsysfile="s/hpux9-x11r4.h"
1049 if test "${opsys}" = "hpux9shr"; then
1050 case "${x_libraries}" in
1052 opsysfile="s/hpux9shxr4.h"
1057 #### Extract some information from the operating system and machine files.
1059 AC_CHECKING([the machine- and system-dependent files to find out
1060 - which libraries the lib-src programs will want, and
1061 - whether the GNU malloc routines are usable])
1063 ### First figure out CFLAGS (which we use for running the compiler here)
1064 ### and REAL_CFLAGS (which we use for real compilation).
1065 ### The two are the same except on a few systems, where they are made
1066 ### different to work around various lossages. For example,
1067 ### GCC 2.5 on Linux needs them to be different because it treats -g
1068 ### as implying static linking.
1070 ### If the CFLAGS env var is specified, we use that value
1071 ### instead of the default.
1073 ### It's not important that this name contain the PID; you can't run
1074 ### two configures in the same directory and have anything work
1076 tempcname="conftest.c"
1079 #include "'${srcdir}'/src/'${opsysfile}'"
1080 #include "'${srcdir}'/src/'${machfile}'"
1081 #ifndef LIBS_MACHINE
1082 #define LIBS_MACHINE
1087 #ifndef C_SWITCH_SYSTEM
1088 #define C_SWITCH_SYSTEM
1090 #ifndef C_SWITCH_MACHINE
1091 #define C_SWITCH_MACHINE
1093 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1094 configure___ c_switch_system=C_SWITCH_SYSTEM
1095 configure___ c_switch_machine=C_SWITCH_MACHINE
1098 #define LIB_X11_LIB -lX11
1101 #ifndef LIBX11_MACHINE
1102 #define LIBX11_MACHINE
1105 #ifndef LIBX11_SYSTEM
1106 #define LIBX11_SYSTEM
1108 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1111 configure___ unexec=UNEXEC
1113 configure___ unexec=unexec.o
1116 #ifdef SYSTEM_MALLOC
1117 configure___ system_malloc=yes
1119 configure___ system_malloc=no
1122 #ifndef C_DEBUG_SWITCH
1123 #define C_DEBUG_SWITCH -g
1126 #ifndef C_OPTIMIZE_SWITCH
1127 #define C_OPTIMIZE_SWITCH -O
1130 #ifdef THIS_IS_CONFIGURE
1132 /* Get the CFLAGS for tests in configure. */
1134 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1136 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1139 #else /* not THIS_IS_CONFIGURE */
1141 /* Get the CFLAGS for real compilation. */
1143 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1145 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1148 #endif /* not THIS_IS_CONFIGURE */
1151 # The value of CPP is a quoted variable reference, so we need to do this
1152 # to get its actual value...
1153 CPP=`eval "echo $CPP"`
1155 eval `${CPP} -Isrc ${tempcname} \
1156 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1157 if test "x$SPECIFIED_CFLAGS" = x; then
1158 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1159 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1161 REAL_CFLAGS="$CFLAGS"
1163 changequote([, ])dnl
1166 ### Compute the unexec source name from the object name.
1167 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1169 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1170 # Assume not, until told otherwise.
1172 if test "${system_malloc}" = "yes"; then
1175 (The GNU allocators don't work with this system configuration.)"
1178 if test x"${REL_ALLOC}" = x; then
1179 REL_ALLOC=${GNU_MALLOC}
1185 #### Add the libraries to LIBS and check for some functions.
1187 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1188 LIBS="$libsrc_libs $LIBS"
1190 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1191 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1192 AC_CHECK_LIB(dnet, dnet_ntoa)
1193 dnl This causes -lresolv to get used in subsequent tests,
1194 dnl which causes failures on some systems such as HPUX 9.
1195 dnl AC_CHECK_LIB(resolv, gethostbyname)
1197 dnl FIXME replace main with a function we actually want from this library.
1198 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1200 AC_CHECK_LIB(pthreads, cma_open)
1202 AC_MSG_CHECKING(for XFree86)
1203 if test -d /usr/X386/include; then
1205 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1209 AC_MSG_RESULT($HAVE_XFREE386)
1211 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1212 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1214 if test "${HAVE_X11}" = "yes"; then
1215 DEFS="$C_SWITCH_X_SITE $DEFS"
1216 LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1217 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1219 if test "${opsys}" = "linux"; then
1220 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1222 [XOpenDisplay ("foo");],
1223 [xlinux_first_failure=no],
1224 [xlinux_first_failure=yes])
1225 if test "${xlinux_first_failure}" = "yes"; then
1226 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1227 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1228 OLD_CPPFLAGS="$CPPFLAGS"
1230 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1231 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1232 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1233 LIBS="$LIBS -b i486-linuxaout"
1235 [XOpenDisplay ("foo");],
1236 [xlinux_second_failure=no],
1237 [xlinux_second_failure=yes])
1238 if test "${xlinux_second_failure}" = "yes"; then
1239 # If we get the same failure with -b, there is no use adding -b.
1240 # So take it out. This plays safe.
1241 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1242 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1243 CPPFLAGS="$OLD_CPPFLAGS"
1254 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1255 XScreenNumberOfScreen XSetWMProtocols)
1256 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1259 if test "${window_system}" = "x11"; then
1260 AC_MSG_CHECKING(X11 version)
1261 AC_TRY_LINK([#include <X11/Xlib.h>],
1262 [#if XlibSpecificationRelease < 6
1265 ], [AC_MSG_RESULT(6)
1266 AC_DEFINE(HAVE_X11R6)],
1267 [AC_MSG_RESULT(not 6)])
1270 if test "${USE_X_TOOLKIT}" != "none"; then
1271 AC_MSG_CHECKING(X11 toolkit version)
1272 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1273 [#if XtSpecificationRelease < 6
1276 ], [AC_MSG_RESULT(6)
1277 AC_DEFINE(HAVE_X11XTR6)],
1278 [AC_MSG_RESULT(not 6)])
1281 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1282 AC_MSG_CHECKING(whether netdb declares h_errno)
1283 AC_TRY_LINK([#include <netdb.h>],
1286 AC_DEFINE(HAVE_H_ERRNO)],
1287 [AC_MSG_RESULT(no)])
1291 # fmod, logb, and frexp are found in -lm on most systems.
1292 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1293 AC_CHECK_LIB(m, sqrt(0.0) + t)
1294 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1295 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1296 strerror fpathconf select mktime eaccess getpagesize tzset)
1298 AC_MSG_CHECKING(whether localtime caches TZ)
1299 AC_CACHE_VAL(emacs_cv_localtime_cache,
1300 [if test $ac_cv_func_tzset = yes; then
1301 AC_TRY_RUN([#include <time.h>
1303 # include <stdlib.h>
1307 time_t now = time ((time_t *) 0);
1309 if (putenv ("TZ=GMT0") != 0)
1311 hour = localtime (&now)->tm_hour;
1312 if (putenv ("TZ=PST8") != 0)
1314 exit (localtime (&now)->tm_hour == hour);
1315 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1316 [# If we have tzset, assume the worst when cross-compiling.
1317 emacs_cv_localtime_cache=yes])
1319 # If we lack tzset, report that localtime does not cache TZ,
1320 # since we can't invalidate the cache if we don't have tzset.
1321 emacs_cv_localtime_cache=no
1323 AC_MSG_RESULT($emacs_cv_localtime_cache)
1324 if test $emacs_cv_localtime_cache = yes; then
1325 AC_DEFINE(LOCALTIME_CACHE)
1328 if test "x$HAVE_TIMEVAL" = xyes; then
1329 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1331 #ifdef TIME_WITH_SYS_TIME
1332 #include <sys/time.h>
1335 #ifdef HAVE_SYS_TIME_H
1336 #include <sys/time.h>
1343 struct timeval time;
1344 struct timezone dummy;
1345 gettimeofday (&time, &dummy);
1347 [AC_MSG_RESULT(no)],
1349 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1353 AC_CHECK_FUNC(socket, , ok_so_far=no)
1354 if test $ok_so_far = yes; then
1355 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1357 if test $ok_so_far = yes; then
1358 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1360 if test $ok_so_far = yes; then
1361 AC_DEFINE(HAVE_INET_SOCKETS)
1364 if test -f /usr/lpp/X11/bin/smt.exp; then
1365 AC_DEFINE(HAVE_AIX_SMT_EXP)
1368 # Set up the CFLAGS for real compilation, so we can substitute it.
1369 CFLAGS="$REAL_CFLAGS"
1372 #### Find out which version of Emacs this is.
1373 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1374 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1375 changequote([, ])dnl
1376 if test x"${version}" = x; then
1377 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1380 ### Specify what sort of things we'll be editing into Makefile and config.h.
1381 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1383 AC_SUBST(configuration)
1387 AC_SUBST(exec_prefix)
1390 AC_SUBST(sharedstatedir)
1391 AC_SUBST(libexecdir)
1395 AC_SUBST(locallisppath)
1399 AC_SUBST(archlibdir)
1402 AC_SUBST(c_switch_system)
1403 AC_SUBST(c_switch_machine)
1404 AC_SUBST(LD_SWITCH_X_SITE)
1405 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1406 AC_SUBST(C_SWITCH_X_SITE)
1408 AC_SUBST(X_TOOLKIT_TYPE)
1413 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1414 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1415 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1416 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1417 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1418 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1419 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1420 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1422 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1423 AC_DEFINE(HAVE_X_WINDOWS)
1425 if test "${USE_X_TOOLKIT}" != "none" ; then
1426 AC_DEFINE(USE_X_TOOLKIT)
1428 if test "${HAVE_X11}" = "yes" ; then
1431 if test "${HAVE_XFREE386}" = "yes" ; then
1432 AC_DEFINE(HAVE_XFREE386)
1434 if test "${HAVE_MENUS}" = "yes" ; then
1435 AC_DEFINE(HAVE_MENUS)
1437 if test "${GNU_MALLOC}" = "yes" ; then
1438 AC_DEFINE(GNU_MALLOC)
1440 if test "${REL_ALLOC}" = "yes" ; then
1441 AC_DEFINE(REL_ALLOC)
1443 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1444 AC_DEFINE(LISP_FLOAT_TYPE)
1447 #### Report on what we decided to do.
1449 Configured for \`${canonical}'.
1451 Where should the build process find the source code? ${srcdir}
1452 What operating system and machine description files should Emacs use?
1453 \`${opsysfile}' and \`${machfile}'
1454 What compiler should emacs be built with? ${CC} ${CFLAGS}
1455 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1456 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1457 What window system should Emacs use? ${window_system}
1458 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1460 if test -n "${x_includes}"; then
1461 echo " Where do we find X Windows header files? ${x_includes}"
1463 echo " Where do we find X Windows header files? Standard dirs"
1465 if test -n "${x_libraries}"; then
1466 echo " Where do we find X Windows libraries? ${x_libraries}"
1468 echo " Where do we find X Windows libraries? Standard dirs"
1473 # Remove any trailing slashes in these variables.
1475 test "${prefix}" != NONE &&
1476 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1477 test "${exec_prefix}" != NONE &&
1478 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1479 changequote([, ])dnl
1481 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1482 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1484 ### Make the necessary directories, if they don't exist.
1485 for dir in cpp etc ; do
1486 test -d ${dir} || mkdir ${dir}
1489 # Build src/Makefile from ${srcdir}/src/Makefile.c
1490 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1491 # This must be done after src/config.h is built, since we rely on that file.
1493 changequote(, )dnl The horror, the horror.
1494 # Now get this: Some word that is part of the ${srcdir} directory name
1495 # or the ${configuration} value might, just might, happen to be an
1496 # identifier like `sun4' or `i386' or something, and be predefined by
1497 # the C preprocessor to some helpful value like 1, or maybe the empty
1498 # string. Needless to say consequent macro substitutions are less
1499 # than conducive to the makefile finding the correct directory.
1500 undefs="`echo $top_srcdir $configuration $canonical |
1501 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1502 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1504 changequote([, ])dnl
1506 echo creating lib-src/Makefile
1508 rm -f junk.c junk1.c junk2.c
1509 sed -e '/start of cpp stuff/q' \
1510 < Makefile.c > junk1.c
1511 sed -e '1,/start of cpp stuff/d'\
1512 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1513 < Makefile.c > junk.c
1514 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1515 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1516 cat junk1.c junk2.c > Makefile.new
1517 rm -f junk.c junk1.c junk2.c
1518 chmod 444 Makefile.new
1519 mv -f Makefile.new Makefile
1522 echo creating src/Makefile
1524 rm -f junk.c junk1.c junk2.c
1525 sed -e '/start of cpp stuff/q' \
1526 < Makefile.c > junk1.c
1527 sed -e '1,/start of cpp stuff/d'\
1528 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1529 < Makefile.c > junk.c
1530 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1531 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1532 cat junk1.c junk2.c > Makefile.new
1533 rm -f junk.c junk1.c junk2.c
1534 chmod 444 Makefile.new
1535 mv -f Makefile.new Makefile
1538 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1539 echo creating src/.gdbinit
1540 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1543 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])