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='${datadir}/emacs/${version}/site-lisp:'\
11 '${datadir}/emacs/site-lisp'
12 lisppath='${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 ;;
411 machine=hp800 opsys=nextstep
416 machine=orion opsys=bsd4-2
419 machine=orion105 opsys=bsd4-2
423 i[345]86-ibm-aix1.1* )
424 machine=ibmps2-aix opsys=usg5-2-2
426 i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
427 machine=ibmps2-aix opsys=usg5-3
430 machine=ibm370aix opsys=usg5-3
432 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
433 machine=ibmrs6000 opsys=aix3-1
435 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
436 machine=ibmrs6000 opsys=aix3-2-5
438 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
439 machine=ibmrs6000 opsys=aix4-1
441 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
442 machine=ibmrs6000 opsys=aix4
444 rs6000-ibm-aix* | powerpc-ibm-aix* )
445 machine=ibmrs6000 opsys=aix3-2
448 machine=ibmrt opsys=bsd4-3
451 machine=ibmrt opsys=bsd4-2
454 machine=ibmrt opsys=bsd4-3
457 machine=ibmrt opsys=bsd4-2
460 machine=ibmrt opsys=bsd4-3
463 machine=ibmrt opsys=bsd4-3
466 machine=ibmrt-aix opsys=usg5-2-2
469 ## Integrated Solutions `Optimum V'
471 machine=isi-ov opsys=bsd4-2
474 machine=isi-ov opsys=bsd4-3
477 ## Intel 386 machines where we do care about the manufacturer
478 i[345]86-intsys-sysv* )
479 machine=is386 opsys=usg5-2-2
483 i[345]86-prime-sysv* )
484 machine=i386 opsys=usg5-3
487 ## Sequent Symmetry running Dynix
488 i[345]86-sequent-bsd* )
489 machine=symmetry opsys=bsd4-3
492 ## Sequent Symmetry running DYNIX/ptx
493 ## Use the old cpp rather than the newer ANSI one.
494 i[345]86-sequent-ptx* )
495 machine=sequent-ptx opsys=ptx
496 NON_GNU_CPP="/lib/cpp"
499 ## Unspecified sysv on an ncr machine defaults to svr4.2.
500 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
502 machine=ncr386 opsys=usg5-4-2
505 ## Intel Paragon OSF/1
507 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
512 machine=i860 opsys=usg5-4
513 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
514 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
519 machine=masscomp opsys=rtu
524 machine=mega68 opsys=bsd4-2
527 ## Workstations sold by MIPS
528 ## This is not necessarily all workstations using the MIPS processor -
529 ## Irises are produced by SGI, and DECstations by DEC.
531 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
532 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
533 ## it gives for choosing between the alternatives seems to be "Use
534 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
535 ## the BSD world." I'll assume that these are instructions for
536 ## handling two odd situations, and that every other situation
537 ## should use mips.h and usg5-2-2, they being listed first.
540 ## Fall through to the general code at the bottom to decide on the OS.
543 machine=mips4 opsys=bsd4-3
544 NON_GNU_CC="cc -systype bsd43"
545 NON_GNU_CPP="cc -systype bsd43 -E"
548 machine=mips4 opsys=riscos5
549 NON_GNU_CC="cc -systype bsd43"
550 NON_GNU_CPP="cc -systype bsd43 -E"
553 machine=mips opsys=bsd4-3
556 machine=mips opsys=usg5-2-2
560 m68*-next-* | m68k-*-nextstep* )
561 machine=m68k opsys=nextstep
564 ## The complete machine from National Semiconductor
566 machine=ns32000 opsys=usg5-2
570 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
571 machine=tower32 opsys=usg5-2-2
573 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
574 machine=tower32v3 opsys=usg5-3
579 machine=targon31 opsys=usg5-2-2
584 machine=nu opsys=usg5-2
589 machine=plexus opsys=usg5-2
593 ## I don't really have any idea what sort of processor the Pyramid has,
594 ## so I'm assuming it is its own architecture.
595 pyramid-pyramid-bsd* )
596 machine=pyramid opsys=bsd4-2
600 ns32k-sequent-bsd4.2* )
601 machine=sequent opsys=bsd4-2
603 ns32k-sequent-bsd4.3* )
604 machine=sequent opsys=bsd4-3
608 mips-siemens-sysv* | mips-sni-sysv*)
609 machine=mips-siemens opsys=usg5-4
610 NON_GNU_CC=/usr/ccs/bin/cc
611 NON_GNU_CPP=/usr/ccs/lib/cpp
614 ## Silicon Graphics machines
615 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
617 machine=irist opsys=iris3-5
619 m68*-sgi-iris3.6* | m68*-sgi-iris*)
620 machine=irist opsys=iris3-6
624 machine=iris4d opsys=irix3-3
627 machine=iris4d opsys=irix4-0
630 machine=iris4d opsys=irix6-0 NON_GNU_CPP=/lib/cpp
632 mips-sgi-irix5.[01]* )
633 machine=iris4d opsys=irix5-0
635 mips-sgi-irix5* | mips-sgi-irix* )
636 machine=iris4d opsys=irix5-2
641 machine=news opsys=bsd4-2
644 machine=news opsys=bsd4-3
646 m68*-sony-newsos3* | m68*-sony-news3*)
647 machine=news opsys=bsd4-3
649 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
650 machine=news-risc opsys=bsd4-3
653 machine=news-risc opsys=newsos5
658 machine=stride opsys=usg5-2
662 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* \
663 | i[345]86-*-solaris2* | i[345]86-*-sunos5* | powerpc*-*-solaris2* \
664 | rs6000-*-solaris2*)
665 case "${canonical}" in
666 m68*-sunos1* ) machine=sun1 ;;
667 m68*-sunos2* ) machine=sun2 ;;
668 m68* ) machine=sun3 ;;
669 i[345]86-sun-sunos[34]* ) machine=sun386 ;;
670 i[345]86-*-* ) machine=intel386 ;;
671 powerpc* | rs6000* ) machine=rs6000 ;;
672 sparc* ) machine=sparc ;;
675 case "${canonical}" in
676 ## The Sun386 didn't get past 4.0.
677 i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
678 *-sunos4.0* ) opsys=sunos4-0 ;;
679 *-sunos4.1.[3-9]* | *-sunos4shr*)
681 NON_GNU_CPP=/usr/lib/cpp
683 *-sunos4.1.[3-9]*-noshare )
685 NON_GNU_CPP=/usr/lib/cpp
686 NON_GCC_TEST_OPTIONS=-Bstatic
687 GCC_TEST_OPTIONS=-static
689 *-sunos4* | *-sunos )
691 NON_GCC_TEST_OPTIONS=-Bstatic
692 GCC_TEST_OPTIONS=-static
694 *-sunos5.3* | *-solaris2.3* )
696 NON_GNU_CPP=/usr/ccs/lib/cpp
698 *-sunos5.4* | *-solaris2.4* )
700 NON_GNU_CPP=/usr/ccs/lib/cpp
703 *-sunos5.5* | *-solaris2.5* )
705 NON_GNU_CPP=/usr/ccs/lib/cpp
708 *-sunos5* | *-solaris* )
710 NON_GNU_CPP=/usr/ccs/lib/cpp
716 machine=sparc opsys=nextstep
721 machine=tad68k opsys=usg5-3
725 tahoe-tahoe-bsd4.2* )
726 machine=tahoe opsys=bsd4-2
728 tahoe-tahoe-bsd4.3* )
729 machine=tahoe opsys=bsd4-3
732 ## Tandem Integrity S2
734 machine=tandem-s2 opsys=usg5-3
738 m88k-tektronix-sysv3* )
739 machine=tekxd88 opsys=usg5-3
742 ## Tektronix 16000 box (6130?)
743 ns16k-tektronix-bsd* )
744 machine=ns16000 opsys=bsd4-2
747 ## src/m/tek4300.h hints that this is a m68k machine.
748 m68*-tektronix-bsd* )
749 machine=tek4300 opsys=bsd4-3
753 ## We seem to have lost the machine-description file titan.h!
755 machine=titan opsys=usg5-3
758 ## Ustation E30 (SS5E)
759 m68*-unisys-uniplus* )
760 machine=ustation opsystem=unipl5-2
766 case "${canonical}" in
767 *-bsd4.1* ) opsys=bsd4-1 ;;
768 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
769 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
770 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
771 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
772 *-vms* ) opsys=vms ;;
778 ns16k-whitechapel-* )
780 ## We don't know what sort of OS runs on these; we'll let the
781 ## operating system guessing code below try.
786 machine=wicat opsys=usg5-2
789 ## Intel 386 machines where we don't care about the manufacturer
792 case "${canonical}" in
793 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
794 *-isc2.2* ) opsys=isc2-2 ;;
795 *-isc4.0* ) opsys=isc4-0 ;;
796 *-isc4.* ) opsys=isc4-1
797 GCC_TEST_OPTIONS=-posix
798 NON_GCC_TEST_OPTIONS=-Xp
800 *-isc* ) opsys=isc3-0 ;;
801 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
802 *-esix* ) opsys=esix ;;
803 *-xenix* ) opsys=xenix ;;
804 *-linux* ) opsys=linux ;;
805 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
806 *-bsd386* | *-bsdi1* ) opsys=bsd386 ;;
807 *-bsdi2* ) opsys=bsdos2 ;;
808 *-386bsd* ) opsys=386bsd ;;
809 *-freebsd* ) opsys=freebsd ;;
810 *-nextstep* ) opsys=nextstep ;;
811 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
817 machine=m68k opsys=linux
825 ### If the code above didn't choose an operating system, just choose
826 ### an operating system based on the configuration name. You really
827 ### only want to use this when you have no idea what the right
828 ### operating system is; if you know what operating systems a machine
829 ### runs, it's cleaner to make it explicit in the case statement
831 if test x"${opsys}" = x; then
832 case "${canonical}" in
833 *-gnu* ) opsys=gnu ;;
834 *-bsd4.[01] ) opsys=bsd4-1 ;;
835 *-bsd4.2 ) opsys=bsd4-2 ;;
836 *-bsd4.3 ) opsys=bsd4-3 ;;
837 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
838 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
839 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
840 *-sysv3* | *-sysvr3* ) opsys=usg5-3 ;;
841 *-sysv4.1* | *-sysvr4.1* )
842 NON_GNU_CPP=/usr/lib/cpp
844 *-sysv4.[2-9]* | *-sysvr4.[2-9]* )
845 if [ x$NON_GNU_CPP = x ]; then
846 NON_GNU_CPP=/usr/ccs/lib/cpp
849 *-sysv4* | *-sysvr4* ) opsys=usg5-4 ;;
856 if test "x$RANLIB" = x; then
862 if test $unported = yes; then
863 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
864 Check \`etc/MACHINES' for recognized configuration names.])
867 machfile="m/${machine}.h"
868 opsysfile="s/${opsys}.h"
871 #### Choose a compiler.
872 test -n "$CC" && cc_specified=yes
874 # Save the value of CFLAGS that the user specified.
875 SPECIFIED_CFLAGS="$CFLAGS"
878 "yes" ) CC="gcc" GCC=yes ;;
883 # On Suns, sometimes $CPP names a directory.
884 if test -n "$CPP" && test -d "$CPP"; then
888 #### Some systems specify a CPP to use unless we are using GCC.
889 #### Now that we know whether we are using GCC, we can decide whether
890 #### to use that one.
891 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
896 #### Some systems specify a CC to use unless we are using GCC.
897 #### Now that we know whether we are using GCC, we can decide whether
898 #### to use that one.
899 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
900 test x$cc_specified != xyes
905 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
907 CC="$CC $GCC_TEST_OPTIONS"
910 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
912 CC="$CC $NON_GCC_TEST_OPTIONS"
915 #### Some other nice autoconf tests. If you add a test here which
916 #### should make an entry in src/config.h, don't forget to add an
917 #### #undef clause to src/config.h.in for autoconf to modify.
919 dnl checks for programs
925 dnl checks for Unix variants
928 dnl checks for header files
929 AC_CHECK_HEADERS(sys/select.h sys/timeb.h sys/time.h unistd.h utime.h)
934 dnl Some systems have utime.h but don't declare the struct anyplace.
935 AC_MSG_CHECKING(for struct utimbuf)
936 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
937 #include <sys/time.h>
940 #ifdef HAVE_SYS_TIME_H
941 #include <sys/time.h>
948 #endif], [static struct utimbuf x; x.actime = x.modtime;],
950 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
953 dnl checks for typedefs
956 AC_MSG_CHECKING(for struct timeval)
957 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
958 #include <sys/time.h>
961 #ifdef HAVE_SYS_TIME_H
962 #include <sys/time.h>
966 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
969 AC_DEFINE(HAVE_TIMEVAL)],
972 dnl checks for structure members
976 dnl checks for compiler characteristics
979 dnl check for Make feature
982 dnl checks for operating system services
983 AC_SYS_LONG_FILE_NAMES
985 #### Choose a window system.
988 if test "$no_x" = yes; then
994 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
995 LD_SWITCH_X_SITE=-L`echo ${x_libraries} | sed -e "s/:/ -L/g"`
996 LD_SWITCH_X_SITE_AUX=-R`echo ${x_libraries} | sed -e "s/:/ -R/g"`
998 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
999 C_SWITCH_X_SITE=-I`echo ${x_includes} | sed -e "s/:/ -I/g"`
1002 if test x"${x_includes}" = x; then
1003 bitmapdir=/usr/include/X11/bitmaps
1005 # accumulate include directories that have X11 bitmap subdirectories
1007 for bmd in `echo ${x_includes} | sed -e "s/:/ /g"`; do
1008 if test -d "${bmd}/X11/bitmaps"; then
1009 bmd_acc="${bmd_acc}:${bmd}/X11/bitmaps"
1010 elif test -d "${bmd}/bitmaps"; then
1011 bmd_acc="${bmd_acc}:${bmd}/bitmaps"
1014 if test ${bmd_acc} != "dummyval"; then
1015 bitmapdir=`echo ${bmd_acc} | sed -e "s/^dummyval://"`
1019 case "${window_system}" in
1023 case "${with_x_toolkit}" in
1024 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
1025 motif ) USE_X_TOOLKIT=MOTIF ;;
1026 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
1027 no ) USE_X_TOOLKIT=none ;;
1028 dnl If user did not say whether to use a toolkit,
1029 dnl make this decision later: use the toolkit if we have X11R5 or newer.
1030 * ) USE_X_TOOLKIT=maybe ;;
1040 ### If we're using X11, we should use the X menu package.
1043 yes ) HAVE_MENUS=yes ;;
1046 if test "${opsys}" = "hpux9"; then
1047 case "${x_libraries}" in
1049 opsysfile="s/hpux9-x11r4.h"
1054 if test "${opsys}" = "hpux9shr"; then
1055 case "${x_libraries}" in
1057 opsysfile="s/hpux9shxr4.h"
1062 #### Extract some information from the operating system and machine files.
1064 AC_CHECKING([the machine- and system-dependent files to find out
1065 - which libraries the lib-src programs will want, and
1066 - whether the GNU malloc routines are usable])
1068 ### First figure out CFLAGS (which we use for running the compiler here)
1069 ### and REAL_CFLAGS (which we use for real compilation).
1070 ### The two are the same except on a few systems, where they are made
1071 ### different to work around various lossages. For example,
1072 ### GCC 2.5 on Linux needs them to be different because it treats -g
1073 ### as implying static linking.
1075 ### If the CFLAGS env var is specified, we use that value
1076 ### instead of the default.
1078 ### It's not important that this name contain the PID; you can't run
1079 ### two configures in the same directory and have anything work
1081 tempcname="conftest.c"
1084 #include "'${srcdir}'/src/'${opsysfile}'"
1085 #include "'${srcdir}'/src/'${machfile}'"
1086 #ifndef LIBS_MACHINE
1087 #define LIBS_MACHINE
1092 #ifndef C_SWITCH_SYSTEM
1093 #define C_SWITCH_SYSTEM
1095 #ifndef C_SWITCH_MACHINE
1096 #define C_SWITCH_MACHINE
1098 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
1099 configure___ c_switch_system=C_SWITCH_SYSTEM
1100 configure___ c_switch_machine=C_SWITCH_MACHINE
1103 #define LIB_X11_LIB -lX11
1106 #ifndef LIBX11_MACHINE
1107 #define LIBX11_MACHINE
1110 #ifndef LIBX11_SYSTEM
1111 #define LIBX11_SYSTEM
1113 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1116 configure___ unexec=UNEXEC
1118 configure___ unexec=unexec.o
1121 #ifdef SYSTEM_MALLOC
1122 configure___ system_malloc=yes
1124 configure___ system_malloc=no
1127 #ifndef C_DEBUG_SWITCH
1128 #define C_DEBUG_SWITCH -g
1131 #ifndef C_OPTIMIZE_SWITCH
1132 #define C_OPTIMIZE_SWITCH -O
1135 #ifdef THIS_IS_CONFIGURE
1137 /* Get the CFLAGS for tests in configure. */
1139 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1141 configure___ CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1144 #else /* not THIS_IS_CONFIGURE */
1146 /* Get the CFLAGS for real compilation. */
1148 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${SPECIFIED_CFLAGS}'
1150 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${SPECIFIED_CFLAGS}'
1153 #endif /* not THIS_IS_CONFIGURE */
1156 # The value of CPP is a quoted variable reference, so we need to do this
1157 # to get its actual value...
1158 CPP=`eval "echo $CPP"`
1160 eval `${CPP} -Isrc ${tempcname} \
1161 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1162 if test "x$SPECIFIED_CFLAGS" = x; then
1163 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1164 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1166 REAL_CFLAGS="$CFLAGS"
1168 changequote([, ])dnl
1171 ### Compute the unexec source name from the object name.
1172 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1174 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1175 # Assume not, until told otherwise.
1177 if test "${system_malloc}" = "yes"; then
1180 (The GNU allocators don't work with this system configuration.)"
1183 if test x"${REL_ALLOC}" = x; then
1184 REL_ALLOC=${GNU_MALLOC}
1190 #### Add the libraries to LIBS and check for some functions.
1192 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1193 LIBS="$libsrc_libs $LIBS"
1195 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1196 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1197 AC_CHECK_LIB(dnet, dnet_ntoa)
1198 dnl This causes -lresolv to get used in subsequent tests,
1199 dnl which causes failures on some systems such as HPUX 9.
1200 dnl AC_CHECK_LIB(resolv, gethostbyname)
1202 dnl FIXME replace main with a function we actually want from this library.
1203 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1205 AC_CHECK_LIB(pthreads, cma_open)
1207 AC_MSG_CHECKING(for XFree86)
1208 if test -d /usr/X386/include; then
1210 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1214 AC_MSG_RESULT($HAVE_XFREE386)
1216 # Change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1217 # for the tests that follow. We set it back to REAL_CFLAGS later on.
1219 if test "${HAVE_X11}" = "yes"; then
1220 DEFS="$C_SWITCH_X_SITE $DEFS"
1221 LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1222 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1224 if test "${opsys}" = "linux"; then
1225 AC_MSG_CHECKING(whether X on GNU/Linux needs -b to link)
1227 [XOpenDisplay ("foo");],
1228 [xlinux_first_failure=no],
1229 [xlinux_first_failure=yes])
1230 if test "${xlinux_first_failure}" = "yes"; then
1231 OLD_LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE"
1232 OLD_C_SWITCH_X_SITE="$C_SWITCH_X_SITE"
1233 OLD_CPPFLAGS="$CPPFLAGS"
1235 LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -b i486-linuxaout"
1236 C_SWITCH_X_SITE="$C_SWITCH_X_SITE -b i486-linuxaout"
1237 CPPFLAGS="$CPPFLAGS -b i486-linuxaout"
1238 LIBS="$LIBS -b i486-linuxaout"
1240 [XOpenDisplay ("foo");],
1241 [xlinux_second_failure=no],
1242 [xlinux_second_failure=yes])
1243 if test "${xlinux_second_failure}" = "yes"; then
1244 # If we get the same failure with -b, there is no use adding -b.
1245 # So take it out. This plays safe.
1246 LD_SWITCH_X_SITE="$OLD_LD_SWITCH_X_SITE"
1247 C_SWITCH_X_SITE="$OLD_C_SWITCH_X_SITE"
1248 CPPFLAGS="$OLD_CPPFLAGS"
1259 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1260 XScreenNumberOfScreen XSetWMProtocols)
1263 if test "${window_system}" = "x11"; then
1264 AC_MSG_CHECKING(X11 version 6)
1265 AC_TRY_LINK([#include <X11/Xlib.h>],
1266 [#if XlibSpecificationRelease < 6
1269 ], [AC_MSG_RESULT(6)
1270 AC_DEFINE(HAVE_X11R6)],
1271 [AC_MSG_RESULT(not 6)])
1274 if test x"${USE_X_TOOLKIT}" = xmaybe; then
1275 AC_MSG_CHECKING(X11 version 5)
1276 AC_TRY_LINK([#include <X11/Xlib.h>],
1277 [#if XlibSpecificationRelease < 5
1280 ], [AC_MSG_RESULT(5, use toolkit)
1282 AC_DEFINE(HAVE_X11R5)],
1283 [AC_MSG_RESULT(not 5, do not use toolkit)
1284 USE_X_TOOLKIT=none])
1287 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
1289 if test "${USE_X_TOOLKIT}" != "none"; then
1290 AC_MSG_CHECKING(X11 toolkit version)
1291 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1292 [#if XtSpecificationRelease < 6
1295 ], [AC_MSG_RESULT(6)
1296 AC_DEFINE(HAVE_X11XTR6)],
1297 [AC_MSG_RESULT(not 6)])
1299 dnl If using toolkit, check whether libXmu.a exists.
1300 dnl tranle@intellicorp.com says libXmu.a can need XtMalloc in libXt.a to link.
1303 AC_CHECK_LIB(Xmu, XmuConvertStandardSelection)
1307 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1308 AC_MSG_CHECKING(whether netdb declares h_errno)
1309 AC_TRY_LINK([#include <netdb.h>],
1312 AC_DEFINE(HAVE_H_ERRNO)],
1313 [AC_MSG_RESULT(no)])
1317 # fmod, logb, and frexp are found in -lm on most systems.
1318 # On HPUX 9.01, -lm does not contain logb, so check for sqrt.
1319 AC_CHECK_LIB(m, sqrt(0.0) + t)
1320 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1321 random lrand48 bcopy bcmp logb frexp fmod ftime res_init setsid \
1322 strerror fpathconf select mktime eaccess getpagesize tzset)
1324 AC_MSG_CHECKING(whether localtime caches TZ)
1325 AC_CACHE_VAL(emacs_cv_localtime_cache,
1326 [if test $ac_cv_func_tzset = yes; then
1327 AC_TRY_RUN([#include <time.h>
1329 # include <stdlib.h>
1333 time_t now = time ((time_t *) 0);
1335 if (putenv ("TZ=GMT0") != 0)
1337 hour = localtime (&now)->tm_hour;
1338 if (putenv ("TZ=PST8") != 0)
1340 exit (localtime (&now)->tm_hour == hour);
1341 }], emacs_cv_localtime_cache=no, emacs_cv_localtime_cache=yes,
1342 [# If we have tzset, assume the worst when cross-compiling.
1343 emacs_cv_localtime_cache=yes])
1345 # If we lack tzset, report that localtime does not cache TZ,
1346 # since we can't invalidate the cache if we don't have tzset.
1347 emacs_cv_localtime_cache=no
1349 AC_MSG_RESULT($emacs_cv_localtime_cache)
1350 if test $emacs_cv_localtime_cache = yes; then
1351 AC_DEFINE(LOCALTIME_CACHE)
1354 if test "x$HAVE_TIMEVAL" = xyes; then
1355 AC_MSG_CHECKING(whether gettimeofday can't accept two arguments)
1357 #ifdef TIME_WITH_SYS_TIME
1358 #include <sys/time.h>
1361 #ifdef HAVE_SYS_TIME_H
1362 #include <sys/time.h>
1369 struct timeval time;
1370 struct timezone dummy;
1371 gettimeofday (&time, &dummy);
1373 [AC_MSG_RESULT(no)],
1375 AC_DEFINE(GETTIMEOFDAY_ONE_ARGUMENT)])
1379 AC_CHECK_FUNC(socket, , ok_so_far=no)
1380 if test $ok_so_far = yes; then
1381 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1383 if test $ok_so_far = yes; then
1384 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1386 if test $ok_so_far = yes; then
1387 AC_DEFINE(HAVE_INET_SOCKETS)
1390 if test -f /usr/lpp/X11/bin/smt.exp; then
1391 AC_DEFINE(HAVE_AIX_SMT_EXP)
1394 # Set up the CFLAGS for real compilation, so we can substitute it.
1395 CFLAGS="$REAL_CFLAGS"
1398 #### Find out which version of Emacs this is.
1399 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1400 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1401 changequote([, ])dnl
1402 if test x"${version}" = x; then
1403 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1406 ### Specify what sort of things we'll be editing into Makefile and config.h.
1407 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1409 AC_SUBST(configuration)
1413 AC_SUBST(exec_prefix)
1416 AC_SUBST(sharedstatedir)
1417 AC_SUBST(libexecdir)
1421 AC_SUBST(locallisppath)
1425 AC_SUBST(archlibdir)
1428 AC_SUBST(c_switch_system)
1429 AC_SUBST(c_switch_machine)
1430 AC_SUBST(LD_SWITCH_X_SITE)
1431 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1432 AC_SUBST(C_SWITCH_X_SITE)
1434 AC_SUBST(X_TOOLKIT_TYPE)
1439 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1440 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${ac_configure_args}")
1441 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1442 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1443 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1444 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1445 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1446 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1448 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1449 AC_DEFINE(HAVE_X_WINDOWS)
1451 if test "${USE_X_TOOLKIT}" != "none" ; then
1452 AC_DEFINE(USE_X_TOOLKIT)
1454 if test "${HAVE_X11}" = "yes" ; then
1457 if test "${HAVE_XFREE386}" = "yes" ; then
1458 AC_DEFINE(HAVE_XFREE386)
1460 if test "${HAVE_MENUS}" = "yes" ; then
1461 AC_DEFINE(HAVE_MENUS)
1463 if test "${GNU_MALLOC}" = "yes" ; then
1464 AC_DEFINE(GNU_MALLOC)
1466 if test "${REL_ALLOC}" = "yes" ; then
1467 AC_DEFINE(REL_ALLOC)
1469 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1470 AC_DEFINE(LISP_FLOAT_TYPE)
1473 #### Report on what we decided to do.
1475 Configured for \`${canonical}'.
1477 Where should the build process find the source code? ${srcdir}
1478 What operating system and machine description files should Emacs use?
1479 \`${opsysfile}' and \`${machfile}'
1480 What compiler should emacs be built with? ${CC} ${CFLAGS}
1481 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1482 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1483 What window system should Emacs use? ${window_system}
1484 What toolkit should Emacs use? ${USE_X_TOOLKIT}"
1486 if test -n "${x_includes}"; then
1487 echo " Where do we find X Windows header files? ${x_includes}"
1489 echo " Where do we find X Windows header files? Standard dirs"
1491 if test -n "${x_libraries}"; then
1492 echo " Where do we find X Windows libraries? ${x_libraries}"
1494 echo " Where do we find X Windows libraries? Standard dirs"
1499 # Remove any trailing slashes in these variables.
1501 test "${prefix}" != NONE &&
1502 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1503 test "${exec_prefix}" != NONE &&
1504 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1505 changequote([, ])dnl
1507 AC_OUTPUT(Makefile lib-src/Makefile.c:lib-src/Makefile.in oldXMenu/Makefile \
1508 man/Makefile lwlib/Makefile src/Makefile.c:src/Makefile.in, [
1510 ### Make the necessary directories, if they don't exist.
1511 for dir in cpp etc ; do
1512 test -d ${dir} || mkdir ${dir}
1515 # Build src/Makefile from ${srcdir}/src/Makefile.c
1516 # and lib-src/Makefile from ${srcdir}/lib-src/Makefile.c
1517 # This must be done after src/config.h is built, since we rely on that file.
1519 changequote(, )dnl The horror, the horror.
1520 # Now get this: Some word that is part of the ${srcdir} directory name
1521 # or the ${configuration} value might, just might, happen to be an
1522 # identifier like `sun4' or `i386' or something, and be predefined by
1523 # the C preprocessor to some helpful value like 1, or maybe the empty
1524 # string. Needless to say consequent macro substitutions are less
1525 # than conducive to the makefile finding the correct directory.
1526 undefs="`echo $top_srcdir $configuration $canonical |
1527 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1528 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1530 changequote([, ])dnl
1532 echo creating lib-src/Makefile
1534 rm -f junk.c junk1.c junk2.c
1535 sed -e '/start of cpp stuff/q' \
1536 < Makefile.c > junk1.c
1537 sed -e '1,/start of cpp stuff/d'\
1538 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1539 < Makefile.c > junk.c
1540 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1541 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1542 cat junk1.c junk2.c > Makefile.new
1543 rm -f junk.c junk1.c junk2.c
1544 chmod 444 Makefile.new
1545 mv -f Makefile.new Makefile
1548 echo creating src/Makefile
1550 rm -f junk.c junk1.c junk2.c
1551 sed -e '/start of cpp stuff/q' \
1552 < Makefile.c > junk1.c
1553 sed -e '1,/start of cpp stuff/d'\
1554 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1555 < Makefile.c > junk.c
1556 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1557 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1558 cat junk1.c junk2.c > Makefile.new
1559 rm -f junk.c junk1.c junk2.c
1560 chmod 444 Makefile.new
1561 mv -f Makefile.new Makefile
1564 if test ! -f src/.gdbinit && test -f $top_srcdir/src/.gdbinit; then
1565 echo creating src/.gdbinit
1566 echo source $top_srcdir/src/.gdbinit > src/.gdbinit
1569 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])