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 | 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([the \`--with-x-toolkit' option is supposed to have a value
46 which is \`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 ;;
347 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
349 machine=nh3000 opsys=cxux
353 xps*-honeywell-sysv* )
354 machine=xps100 opsys=usg5-2
357 ## HP 9000 series 200 or 300
359 machine=hp9000s300 opsys=bsd4-3
361 ## HP/UX 7, 8, 9, and 10 are supported on these machines.
364 ## Someone's system reports A.B8.05 for this.
365 ## I wonder what other possibilities there are.
366 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
367 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
368 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
369 *.10.* ) machine=hp9000s300 opsys=hpux9shr ;;
370 *) machine=hp9000s300 opsys=hpux ;;
374 ## HP 9000 series 700 and 800, running HP/UX
376 machine=hp800 opsys=hpux
379 machine=hp800 opsys=hpux8
382 machine=hp800 opsys=hpux9shr
385 machine=hp800 opsys=hpux9
388 machine=hp800 opsys=hpux9shr
391 ## HP 9000 series 700 and 800, running HP/UX
393 ## Cross-compilation? Nah!
395 ## Someone's system reports A.B8.05 for this.
396 ## I wonder what other possibilities there are.
397 *.B8.* ) machine=hp800 opsys=hpux8 ;;
398 *.08.* ) machine=hp800 opsys=hpux8 ;;
399 *.09.* ) machine=hp800 opsys=hpux9 ;;
400 *) machine=hp800 opsys=hpux ;;
406 machine=orion opsys=bsd4-2
409 machine=orion105 opsys=bsd4-2
413 i[345]86-ibm-aix1.1* )
414 machine=ibmps2-aix opsys=usg5-2-2
416 i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
417 machine=ibmps2-aix opsys=usg5-3
420 machine=ibm370aix opsys=usg5-3
422 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
423 machine=ibmrs6000 opsys=aix3-1
425 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
426 machine=ibmrs6000 opsys=aix3-2-5
428 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
429 machine=ibmrs6000 opsys=aix4-1
431 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
432 machine=ibmrs6000 opsys=aix4
434 rs6000-ibm-aix* | powerpc-ibm-aix* )
435 machine=ibmrs6000 opsys=aix3-2
438 machine=ibmrt opsys=bsd4-3
441 machine=ibmrt opsys=bsd4-2
444 machine=ibmrt opsys=bsd4-3
447 machine=ibmrt opsys=bsd4-2
450 machine=ibmrt opsys=bsd4-3
453 machine=ibmrt opsys=bsd4-3
456 machine=ibmrt-aix opsys=usg5-2-2
459 ## Integrated Solutions `Optimum V'
461 machine=isi-ov opsys=bsd4-2
464 machine=isi-ov opsys=bsd4-3
467 ## Intel 386 machines where we do care about the manufacturer
468 i[345]86-intsys-sysv* )
469 machine=is386 opsys=usg5-2-2
473 i[345]86-prime-sysv* )
474 machine=i386 opsys=usg5-3
477 ## Sequent Symmetry running Dynix
478 i[345]86-sequent-bsd* )
479 machine=symmetry opsys=bsd4-3
482 ## Sequent Symmetry running DYNIX/ptx
483 ## Use the old cpp rather than the newer ANSI one.
484 i[345]86-sequent-ptx* )
485 machine=sequent-ptx opsys=ptx
486 NON_GNU_CPP="/lib/cpp"
489 ## Unspecified sysv on an ncr machine defaults to svr4.2.
490 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
492 machine=ncr386 opsys=usg5-4-2
495 ## Intel Paragon OSF/1
497 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
502 machine=i860 opsys=usg5-4
503 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
504 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
509 machine=masscomp opsys=rtu
514 machine=mega68 opsys=bsd4-2
517 ## Workstations sold by MIPS
518 ## This is not necessarily all workstations using the MIPS processor -
519 ## Irises are produced by SGI, and DECstations by DEC.
521 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
522 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
523 ## it gives for choosing between the alternatives seems to be "Use
524 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
525 ## the BSD world." I'll assume that these are instructions for
526 ## handling two odd situations, and that every other situation
527 ## should use mips.h and usg5-2-2, they being listed first.
530 ## Fall through to the general code at the bottom to decide on the OS.
533 machine=mips4 opsys=bsd4-3
534 NON_GNU_CC="cc -systype bsd43"
535 NON_GNU_CPP="cc -systype bsd43 -E"
538 machine=mips4 opsys=riscos5
539 NON_GNU_CC="cc -systype bsd43"
540 NON_GNU_CPP="cc -systype bsd43 -E"
543 machine=mips opsys=bsd4-3
546 machine=mips opsys=usg5-2-2
550 m68*-next-* | m68k-*-nextstep* )
551 machine=m68k opsys=nextstep
554 ## The complete machine from National Semiconductor
556 machine=ns32000 opsys=usg5-2
560 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
561 machine=tower32 opsys=usg5-2-2
563 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
564 machine=tower32v3 opsys=usg5-3
569 machine=targon31 opsys=usg5-2-2
574 machine=nu opsys=usg5-2
579 machine=plexus opsys=usg5-2
583 ## I don't really have any idea what sort of processor the Pyramid has,
584 ## so I'm assuming it is its own architecture.
585 pyramid-pyramid-bsd* )
586 machine=pyramid opsys=bsd4-2
590 ns32k-sequent-bsd4.2* )
591 machine=sequent opsys=bsd4-2
593 ns32k-sequent-bsd4.3* )
594 machine=sequent opsys=bsd4-3
599 machine=mips-siemens opsys=usg5-4
600 NON_GNU_CC=/usr/ccs/bin/cc
601 NON_GNU_CPP=/usr/ccs/lib/cpp
604 ## Silicon Graphics machines
605 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
607 machine=irist opsys=iris3-5
609 m68*-sgi-iris3.6* | m68*-sgi-iris*)
610 machine=irist opsys=iris3-6
614 machine=iris4d opsys=irix3-3
617 machine=iris4d opsys=irix4-0
620 machine=iris4d opsys=irix6-0
622 mips-sgi-irix5.[01]* )
623 machine=iris4d opsys=irix5-0
625 mips-sgi-irix5* | mips-sgi-irix* )
626 machine=iris4d opsys=irix5-2
631 machine=news opsys=bsd4-2
634 machine=news opsys=bsd4-3
636 m68*-sony-newsos3* | m68*-sony-news3*)
637 machine=news opsys=bsd4-3
639 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
640 machine=news-risc opsys=bsd4-3
643 machine=news-risc opsys=newsos5
648 machine=stride opsys=usg5-2
652 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* | i[345]86-*-solaris2* | i[345]86-*-sunos5* )
653 case "${canonical}" in
654 m68*-sunos1* ) machine=sun1 ;;
655 m68*-sunos2* ) machine=sun2 ;;
656 m68* ) machine=sun3 ;;
657 i[345]86-sun-sunos[34]* ) machine=sun386 ;;
658 i[345]86-*-* ) machine=intel386 ;;
659 sparc* ) machine=sparc ;;
662 case "${canonical}" in
663 ## The Sun386 didn't get past 4.0.
664 i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
665 *-sunos4.0* ) opsys=sunos4-0 ;;
666 *-sunos4.1.[3-9]* | *-sunos4shr*)
668 NON_GNU_CPP=/usr/lib/cpp
670 *-sunos4* | *-sunos ) opsys=sunos4-1
671 NON_GCC_TEST_OPTIONS=-Bstatic
672 GCC_TEST_OPTIONS=-static
674 *-sunos5.3* | *-solaris2.3* )
676 NON_GNU_CPP=/usr/ccs/lib/cpp
678 *-sunos5.4* | *-solaris2.4* )
680 NON_GNU_CPP=/usr/ccs/lib/cpp
683 *-sunos5.5* | *-solaris2.5* )
685 NON_GNU_CPP=/usr/ccs/lib/cpp
688 *-sunos5* | *-solaris* )
690 NON_GNU_CPP=/usr/ccs/lib/cpp
696 machine=sparc.h opsys=nextstep.h
701 machine=tad68k opsys=usg5-3
705 tahoe-tahoe-bsd4.2* )
706 machine=tahoe opsys=bsd4-2
708 tahoe-tahoe-bsd4.3* )
709 machine=tahoe opsys=bsd4-3
712 ## Tandem Integrity S2
714 machine=tandem-s2 opsys=usg5-3
718 m88k-tektronix-sysv3* )
719 machine=tekxd88 opsys=usg5-3
722 ## Tektronix 16000 box (6130?)
723 ns16k-tektronix-bsd* )
724 machine=ns16000 opsys=bsd4-2
727 ## src/m/tek4300.h hints that this is a m68k machine.
728 m68*-tektronix-bsd* )
729 machine=tek4300 opsys=bsd4-3
733 ## We seem to have lost the machine-description file titan.h!
735 machine=titan opsys=usg5-3
738 ## Ustation E30 (SS5E)
739 m68*-unisys-uniplus* )
740 machine=ustation opsystem=unipl5-2
746 case "${canonical}" in
747 *-bsd4.1* ) opsys=bsd4-1 ;;
748 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
749 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
750 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
751 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
752 *-vms* ) opsys=vms ;;
758 ns16k-whitechapel-* )
760 ## We don't know what sort of OS runs on these; we'll let the
761 ## operating system guessing code below try.
766 machine=wicat opsys=usg5-2
769 ## Intel 386 machines where we don't care about the manufacturer
772 case "${canonical}" in
773 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
774 *-isc2.2* ) opsys=isc2-2 ;;
775 *-isc4.0* ) opsys=isc4-0 ;;
776 *-isc4.* ) opsys=isc4-1
777 GCC_TEST_OPTIONS=-posix
778 NON_GCC_TEST_OPTIONS=-Xp
780 *-isc* ) opsys=isc3-0 ;;
781 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
782 *-esix* ) opsys=esix ;;
783 *-xenix* ) opsys=xenix ;;
784 *-linux* ) opsys=linux ;;
785 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
786 *-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
787 *-bsdi2* ) opsys=bsdos2 ;;
788 *-386bsd* ) opsys=386bsd ;;
789 *-freebsd* ) opsys=freebsd ;;
790 *-nextstep* ) opsys=nextstep ;;
791 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
800 ### If the code above didn't choose an operating system, just choose
801 ### an operating system based on the configuration name. You really
802 ### only want to use this when you have no idea what the right
803 ### operating system is; if you know what operating systems a machine
804 ### runs, it's cleaner to make it explicit in the case statement
806 if test x"${opsys}" = x; then
807 case "${canonical}" in
808 *-gnu* ) opsys=gnu ;;
809 *-bsd4.[01] ) opsys=bsd4-1 ;;
810 *-bsd4.2 ) opsys=bsd4-2 ;;
811 *-bsd4.3 ) opsys=bsd4-3 ;;
812 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
813 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
814 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
815 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
816 *-sysv4.1* | *-sysvr4.1* )
817 NON_GNU_CPP=/usr/lib/cpp
819 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
820 if [ x$NON_GNU_CPP = x ]; then
821 NON_GNU_CPP=/usr/ccs/lib/cpp
824 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
831 if test "x$RANLIB" = x; then
837 if test $unported = yes; then
838 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
839 Check \`etc/MACHINES' for recognized configuration names.])
842 machfile="m/${machine}.h"
843 opsysfile="s/${opsys}.h"
846 #### Choose a compiler.
847 test -n "$CC" && cc_specified=yes
849 # Save the value of CFLAGS that the user specified.
850 SPECIFIED_CFLAGS="$CFLAGS"
853 "yes" ) CC="gcc" GCC=yes ;;
858 # On Suns, sometimes $CPP names a directory.
859 if test -n "$CPP" && test -d "$CPP"; then
863 #### Some systems specify a CPP to use unless we are using GCC.
864 #### Now that we know whether we are using GCC, we can decide whether
865 #### to use that one.
866 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
871 #### Some systems specify a CC to use unless we are using GCC.
872 #### Now that we know whether we are using GCC, we can decide whether
873 #### to use that one.
874 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
875 test x$cc_specified != xyes
880 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
882 CC="$CC $GCC_TEST_OPTIONS"
885 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
887 CC="$CC $NON_GCC_TEST_OPTIONS"
890 #### Some other nice autoconf tests. If you add a test here which
891 #### should make an entry in src/config.h, don't forget to add an
892 #### #undef clause to src/config.h.in for autoconf to modify.
894 dnl checks for programs
900 dnl checks for Unix variants
903 dnl checks for header files
904 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
909 dnl Some systems have utime.h but don't declare the struct anyplace.
910 AC_MSG_CHECKING(for struct utimbuf)
911 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
912 #include <sys/time.h>
915 #ifdef HAVE_SYS_TIME_H
916 #include <sys/time.h>
923 #endif], [static struct utimbuf x; x.actime = x.modtime;],
925 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
928 dnl checks for typedefs
931 AC_MSG_CHECKING(for struct timeval)
932 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
933 #include <sys/time.h>
936 #ifdef HAVE_SYS_TIME_H
937 #include <sys/time.h>
941 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
944 AC_DEFINE(HAVE_TIMEVAL)],
947 dnl checks for structure members
951 dnl checks for compiler characteristics
954 dnl check for Make feature
957 dnl checks for operating system services
958 AC_SYS_LONG_FILE_NAMES
960 #### Choose a window system.
963 if test "$no_x" = yes; then
969 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
970 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
971 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
973 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
974 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
977 if test x"${x_includes}" = x; then
978 bitmapdir=/usr/include/X11/bitmaps
980 # accumulate include directories that have X11 bitmap sudirectories
982 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
983 if test -d "${bmd}/X11/bitmaps"; then
984 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
985 elif test -d "${bmd}/bitmaps"; then
986 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
989 if test ${bmd_acc} != "dummyval"; then
990 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
994 case "${window_system}" in
998 case "${with_x_toolkit}" in
999 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1000 motif ) USE_X_TOOLKIT=MOTIF ;;
1001 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1002 * ) USE_X_TOOLKIT=none ;;
1011 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1013 ### If we're using X11, we should use the X menu package.
1016 yes ) HAVE_X_MENU=yes ;;
1019 if test "${opsys}" = "hpux9"; then
1020 case "${x_libraries}" in
1022 opsysfile="s/hpux9-x11r4.h"
1027 if test "${opsys}" = "hpux9shr"; then
1028 case "${x_libraries}" in
1030 opsysfile="s/hpux9shxr4.h"
1035 #### Extract some information from the operating system and machine files.
1037 AC_CHECKING([the machine- and system-dependent files to find out
1038 - which libraries the lib-src programs will want, and
1039 - whether the GNU malloc routines are usable])
1041 ### First figure out CFLAGS (which we use for running the compiler here)
1042 ### and REAL_CFLAGS (which we use for real compilation).
1043 ### The two are the same except on a few systems, where they are made
1044 ### different to work around various lossages. For example,
1045 ### GCC 2.5 on Linux needs them to be different because it treats -g
1046 ### as implying static linking.
1048 ### If the CFLAGS env var is specified, we use that value
1049 ### instead of the default.
1051 ### It's not important that this name contain the PID; you can't run
1052 ### two configures in the same directory and have anything work
1054 tempcname="conftest.c"
1057 #include "'${srcdir}'/src/'${opsysfile}'"
1058 #include "'${srcdir}'/src/'${machfile}'"
1059 #ifndef LIBS_MACHINE
1060 #define LIBS_MACHINE
1065 #ifndef C_SWITCH_SYSTEM
1066 #define C_SWITCH_SYSTEM
1068 #ifndef C_SWITCH_MACHINE
1069 #define C_SWITCH_MACHINE
1071 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1072 configure___ c_switch_system=C_SWITCH_SYSTEM
1073 configure___ c_switch_machine=C_SWITCH_MACHINE
1076 #define LIB_X11_LIB -lX11
1079 #ifndef LIBX11_MACHINE
1080 #define LIBX11_MACHINE
1083 #ifndef LIBX11_SYSTEM
1084 #define LIBX11_SYSTEM
1086 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1089 configure___ unexec=UNEXEC
1091 configure___ unexec=unexec.o
1094 #ifdef SYSTEM_MALLOC
1095 configure___ system_malloc=yes
1097 configure___ system_malloc=no
1100 #ifndef C_DEBUG_SWITCH
1101 #define C_DEBUG_SWITCH -g
1104 #ifndef C_OPTIMIZE_SWITCH
1105 #define C_OPTIMIZE_SWITCH -O
1108 #ifdef THIS_IS_CONFIGURE
1110 /* Get the CFLAGS for tests in configure. */
1112 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1114 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1117 #else /* not THIS_IS_CONFIGURE */
1119 /* Get the CFLAGS for real compilation. */
1121 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1123 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1126 #endif /* not THIS_IS_CONFIGURE */
1129 # The value of CPP is a quoted variable reference, so we need to do this
1130 # to get its actual value...
1131 CPP=`eval "echo $CPP"`
1133 eval `${CPP} -Isrc ${tempcname} \
1134 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1135 if test "x$SPECIFIED_CFLAGS" = x; then
1136 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1137 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1139 REAL_CFLAGS="$CFLAGS"
1141 changequote([, ])dnl
1144 ### Compute the unexec source name from the object name.
1145 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1147 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1148 # Assume not, until told otherwise.
1150 if test "${system_malloc}" = "yes"; then
1153 (The GNU allocators don't work with this system configuration.)"
1156 if test x"${REL_ALLOC}" = x; then
1157 REL_ALLOC=${GNU_MALLOC}
1163 #### Add the libraries to LIBS and check for some functions.
1165 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1168 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1169 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1170 AC_CHECK_LIB(dnet, dnet_ntoa)
1171 dnl This causes -lresolv to get used in subsequent tests,
1172 dnl which causes failures on some systems such as HPUX 9.
1173 dnl AC_CHECK_LIB(resolv, gethostbyname)
1175 dnl FIXME replace main with a function we actually want from this library.
1176 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1178 AC_CHECK_LIB(pthreads, cma_open)
1180 AC_MSG_CHECKING(for XFree86)
1181 if test -d /usr/X386/include; then
1183 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1187 AC_MSG_RESULT($HAVE_XFREE386)
1189 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1190 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1192 if test "${HAVE_X11}" = "yes"; then
1193 DEFS="$C_SWITCH_X_SITE $DEFS"
1194 LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1195 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1197 if test "${opsys}" = "linux"; then
1198 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1200 [XOpenDisplay ("foo");],
1201 [xlinux_first_failure=no],
1202 [xlinux_first_failure=yes])
1203 if test "${xlinux_first_failure}" = "yes"; then
1204 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1205 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1206 OLD_CPPFLAGS="$CPPFLAGS"
1208 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1209 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1210 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1211 LIBS="$LIBS -b i486-linuxaout"
1213 [XOpenDisplay ("foo");],
1214 [xlinux_second_failure=no],
1215 [xlinux_second_failure=yes])
1216 if test "${xlinux_second_failure}" = "yes"; then
1217 # If we get the same failure with -b, there is no use adding -b.
1218 # So take it out. This plays safe.
1219 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1220 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1221 CPPFLAGS="$OLD_CPPFLAGS"
1232 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1233 XScreenNumberOfScreen XSetWMProtocols)
1236 if test "${USE_X_TOOLKIT}" != "none"; then
1237 AC_MSG_CHECKING(X11 toolkit version)
1238 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1239 [#if XtSpecificationRelease < 6
1242 ], [AC_MSG_RESULT(6)
1243 AC_DEFINE(HAVE_X11XTR6)],
1244 [AC_MSG_RESULT(not 6)])
1247 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1248 AC_MSG_CHECKING(whether netdb declares h_errno)
1249 AC_TRY_LINK([#include <netdb.h>],
1252 AC_DEFINE(HAVE_H_ERRNO)],
1253 [AC_MSG_RESULT(no)])
1257 # fmod, logb, and frexp are found in -lm on most systems.
1258 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1259 AC_CHECK_LIB(m, sqrt(0.0) + t)
1260 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1261 random lrand48 bcopy bcmp logb frexp fmod drem ftime res_init setsid \
1262 strerror fpathconf select mktime eaccess getpagesize)
1264 if test $HAVE_TIMEVAL = yes; then
1265 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1267 #ifdef TIME_WITH_SYS_TIME
1268 #include <sys/time.h>
1271 #ifdef HAVE_SYS_TIME_H
1272 #include <sys/time.h>
1279 struct timeval time;
1280 struct timezone dummy;
1281 gettimeofday (&time, &dummy);
1283 [AC_MSG_RESULT(no)],
1285 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1289 AC_CHECK_FUNC(socket, , ok_so_far=no)
1290 if test $ok_so_far = yes; then
1291 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1293 if test $ok_so_far = yes; then
1294 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1296 if test $ok_so_far = yes; then
1297 AC_DEFINE(HAVE_INET_SOCKETS)
1300 if test -f /usr/lpp/X11/bin/smt.exp; then
1301 AC_DEFINE(HAVE_AIX_SMT_EXP)
1304 # Set up the CFLAGS for real compilation, so we can substitute it.
1305 CFLAGS="$REAL_CFLAGS"
1308 #### Find out which version of Emacs this is.
1309 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1310 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1311 changequote([, ])dnl
1312 if test x"${version}" = x; then
1313 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1316 ### Specify what sort of things we'll be editing into Makefile and config.h.
1317 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1319 AC_SUBST(configuration)
1323 AC_SUBST(exec_prefix)
1326 AC_SUBST(sharedstatedir)
1327 AC_SUBST(libexecdir)
1331 AC_SUBST(locallisppath)
1335 AC_SUBST(archlibdir)
1338 AC_SUBST(c_switch_system)
1339 AC_SUBST(c_switch_machine)
1340 AC_SUBST(LD_SWITCH_X_SITE)
1341 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1342 AC_SUBST(C_SWITCH_X_SITE)
1344 AC_SUBST(X_TOOLKIT_TYPE)
1349 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1350 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1351 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1352 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1353 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1354 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1355 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1356 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1358 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1359 AC_DEFINE(HAVE_X_WINDOWS)
1361 if test "${USE_X_TOOLKIT}" != "none" ; then
1362 AC_DEFINE(USE_X_TOOLKIT)
1364 if test "${HAVE_X11}" = "yes" ; then
1367 if test "${HAVE_XFREE386}" = "yes" ; then
1368 AC_DEFINE(HAVE_XFREE386)
1370 if test "${HAVE_X_MENU}" = "yes" ; then
1371 AC_DEFINE(HAVE_X_MENU)
1373 if test "${GNU_MALLOC}" = "yes" ; then
1374 AC_DEFINE(GNU_MALLOC)
1376 if test "${REL_ALLOC}" = "yes" ; then
1377 AC_DEFINE(REL_ALLOC)
1379 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1380 AC_DEFINE(LISP_FLOAT_TYPE)
1383 #### Report on what we decided to do.
1385 Configured for \`${canonical}'.
1387 Where should the build process find the source code? ${srcdir}
1388 What operating system and machine description files should Emacs use?
1389 \`${opsysfile}' and \`${machfile}'
1390 What compiler should emacs be built with? ${CC} ${CFLAGS}
1391 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1392 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1393 What window system should Emacs use? ${window_system}
1394 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1396 if test -n "${x_includes}"; then
1397 echo " Where do we find X Windows header files? ${x_includes}"
1399 echo " Where do we find X Windows header files? Standard dirs"
1401 if test -n "${x_libraries}"; then
1402 echo " Where do we find X Windows libraries? ${x_libraries}"
1404 echo " Where do we find X Windows libraries? Standard dirs"
1409 # Remove any trailing slashes in these variables.
1411 test "${prefix}" != NONE &&
1412 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1413 test "${exec_prefix}" != NONE &&
1414 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1415 changequote([, ])dnl
1417 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1418 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1420 ### Make the necessary directories, if they don't exist.
1421 for dir in cpp etc ; do
1422 test -d ${dir} || mkdir ${dir}
1425 # Build src/Makefile from ${srcdir}/src/Makefile.c
1426 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1427 # This must be done after src/config.h is built, since we rely on that file.
1429 changequote(, )dnl The horror, the horror.
1430 # Now get this: Some word that is part of the ${srcdir} directory name
1431 # or the ${configuration} value might, just might, happen to be an
1432 # identifier like `sun4' or `i386' or something, and be predefined by
1433 # the C preprocessor to some helpful value like 1, or maybe the empty
1434 # string. Needless to say consequent macro substitutions are less
1435 # than conducive to the makefile finding the correct directory.
1436 undefs="`echo $top_srcdir $configuration $canonical |
1437 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1438 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1440 changequote([, ])dnl
1442 echo creating lib-src/Makefile
1444 rm -f junk.c junk1.c junk2.c
1445 sed -e '/start of cpp stuff/q' \
1446 < Makefile.c > junk1.c
1447 sed -e '1,/start of cpp stuff/d'\
1448 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1449 < Makefile.c > junk.c
1450 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1451 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1452 cat junk1.c junk2.c > Makefile.new
1453 rm -f junk.c junk1.c junk2.c
1454 chmod 444 Makefile.new
1455 mv -f Makefile.new Makefile
1458 echo creating src/Makefile
1460 rm -f junk.c junk1.c junk2.c
1461 sed -e '/start of cpp stuff/q' \
1462 < Makefile.c > junk1.c
1463 sed -e '1,/start of cpp stuff/d'\
1464 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1465 < Makefile.c > junk.c
1466 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1467 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1468 cat junk1.c junk2.c > Makefile.new
1469 rm -f junk.c junk1.c junk2.c
1470 chmod 444 Makefile.new
1471 mv -f Makefile.new Makefile
1474 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1475 echo creating src/.gdbinit
1476 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1479 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])