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)
9 bindir='${exec_prefix}/bin'
10 datadir='${prefix}/share'
11 sharedstatedir='${prefix}/com'
12 libexecdir='${exec_prefix}/libexec'
13 mandir='${prefix}/man/man1'
14 infodir='${prefix}/info'
15 lispdir='${datadir}/emacs/${version}/lisp'
16 locallisppath='${datadir}/emacs/site-lisp'
17 lisppath='${locallisppath}:${lispdir}'
18 etcdir='${datadir}/emacs/${version}/etc'
19 lockdir='${sharedstatedir}/emacs/lock'
20 archlibdir='${libexecdir}/emacs/${version}/${configuration}'
21 docdir='${datadir}/emacs/${version}/etc'
24 [ --with-gcc use GCC to compile Emacs])
26 [ --with-pop support POP for mail retrieval],
27 [AC_DEFINE(MAIL_USE_POP)])
29 [ --with-kerberos support Kerberos-authenticated POP],
30 [AC_DEFINE(KERBEROS)])
32 [ --with-hesiod support Hesiod to get the POP server host],
34 dnl This should be the last --with option, because --with-x is
35 dnl added later on when we find the path of X, and it's best to
36 dnl keep them together visually.
37 AC_ARG_WITH(x-toolkit,
38 [ --with-x-toolkit=KIT use an X toolkit (KIT = yes/lucid/athena/motif)],
39 [ case "${withval}" in
40 y | ye | yes ) val=athena ;;
42 l | lu | luc | luci | lucid ) val=lucid ;;
43 a | at | ath | athe | athena ) val=athena ;;
44 m | mo | mot | moti | motif ) val=motif ;;
45 dnl These don't currently work.
46 dnl o | op | ope | open | open- | open-l | open-lo \
47 dnl | open-loo | open-look ) val=open-look ;;
49 dnl AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
50 dnl which is \`yes', \`no', \`lucid', \`athena', \`motif' or \`open-look'.])
51 AC_MSG_ERROR([the \`--with-x-toolkit' option is supposed to have a value
52 which is \`yes', \`no', \`lucid', \`athena', or \`motif'.
53 Currently, \`yes', \`athena' and \`lucid' are synonyms.])
59 #### Make srcdir absolute, if it isn't already. It's important to
60 #### avoid running the path through pwd unnecessary, since pwd can
61 #### give you automounter prefixes, which can go away. We do all this
62 #### so Emacs can find its files when run uninstalled.
66 ## We may be able to use the $PWD environment variable to make this
67 ## absolute. But sometimes PWD is inaccurate.
68 if test "${PWD}" != "" && test "`(cd ${PWD} ; sh -c pwd)`" = "`pwd`" ;
72 srcdir="`(cd ${srcdir}; pwd)`"
75 * ) srcdir="`(cd ${srcdir}; pwd)`" ;;
78 #### Check if the source directory already has a configured system in it.
79 if test `pwd` != `(cd ${srcdir} && pwd)` \
80 && test -f "${srcdir}/src/config.h" ; then
81 AC_MSG_WARN([The directory tree \`${srcdir}' is being used
82 as a build directory right now; it has been configured in its own
83 right. To configure in another directory as well, you MUST
84 use GNU make. If you do not have GNU make, then you must
85 now do \`make distclean' in ${srcdir},
86 and then run $0 again.])
89 extrasub='/^VPATH[ ]*=/c\
99 #### Given the configuration name, set machfile and opsysfile to the
100 #### names of the m/*.h and s/*.h files we should use.
102 ### Canonicalize the configuration name.
106 configuration=$host_alias
110 ### If you add support for a new configuration, add code to this
111 ### switch statement to recognize your configuration name and select
112 ### the appropriate operating system and machine description files.
114 ### You would hope that you could choose an m/*.h file pretty much
115 ### based on the machine portion of the configuration name, and an s-
116 ### file based on the operating system portion. However, it turns out
117 ### that each m/*.h file is pretty manufacturer-specific - for
118 ### example, apollo.h, hp9000s300.h, mega68k, news.h, and tad68k are
119 ### all 68000 machines; mips.h, pmax.h, and news-risc are all MIPS
120 ### machines. So we basically have to have a special case for each
121 ### configuration name.
123 ### As far as handling version numbers on operating systems is
124 ### concerned, make sure things will fail in a fixable way. If
125 ### /etc/MACHINES doesn't say anything about version numbers, be
126 ### prepared to handle anything reasonably. If version numbers
127 ### matter, be sure /etc/MACHINES says something about it.
129 ### Eric Raymond says we should accept strings like "sysvr4" to mean
130 ### "System V Release 4"; he writes, "The old convention encouraged
131 ### confusion between `system' and `release' levels'."
133 machine='' opsys='' unported=no
134 case "${canonical}" in
139 case "${canonical}" in
140 i[345]86-*-netbsd*) machine=intel386 ;;
142 # This is somewhat bogus.
143 machine=hp9000s300 ;;
144 mips-*-netbsd*) machine=pmax ;;
145 ns32k-*-netbsd*) machine=ns32000 ;;
146 sparc-*-netbsd*) machine=sparc ;;
151 arm-acorn-riscix1.1* )
152 machine=acorn opsys=riscix1-1
154 arm-acorn-riscix1.2* | arm-acorn-riscix )
155 machine=acorn opsys=riscix1-2
159 ## Strictly speaking, we need the version of the alliant operating
160 ## system to choose the right machine file, but currently the
161 ## configuration name doesn't tell us enough to choose the right
162 ## one; we need to give alliants their own operating system name to
163 ## do this right. When someone cares, they can help us.
165 machine=alliant4 opsys=bsd4-2
168 machine=alliant-2800 opsys=bsd4-3
172 machine=alpha opsys=osf1
177 machine=altos opsys=usg5-2
182 machine=amdahl opsys=usg5-2-2
185 ## Appallings - I mean, Apollos - running Domain
187 machine=apollo opsys=domain NON_GNU_CPP=/usr/lib/cpp
190 ## AT&T 3b2, 3b5, 3b15, 3b20
192 machine=att3b opsys=usg5-2-2
195 ## AT&T 3b1 - The Mighty Unix PC!
197 machine=7300 opsys=usg5-2-2
202 machine=ibmrs6000 opsys=aix3-2
207 machine=dpx2 opsys=usg5-3
212 machine=sps7 opsys=usg5-2
215 ## CCI 5/32, 6/32 -- see "Tahoe".
218 ## I don't know what configuration name to use for this; config.sub
219 ## doesn't seem to know anything about it. Hey, Celerity users, get
221 celerity-celerity-bsd* )
222 machine=celerity opsys=bsd4-2
226 ## What operating systems does this chip run that Emacs has been
230 ## We'll use the catch-all code at the bottom to guess the
235 *-convex-bsd* | *-convex-convexos* )
236 machine=convex opsys=bsd4-3
237 ## Prevents suprious white space in makefiles - d.m.cooke@larc.nasa.gov
238 NON_GNU_CPP="cc -E -P"
242 i[345]86-cubix-sysv* )
243 machine=intel386 opsys=usg5-3
247 cydra*-cydrome-sysv* )
248 machine=cydra5 opsys=usg5-3
251 ## Data General AViiON Machines
252 m88k-dg-dgux5.4R3* | m88k-dg-dgux5.4.3* )
253 machine=aviion opsys=dgux5-4r3
255 m88k-dg-dgux5.4R2* | m88k-dg-dgux5.4.2* )
256 machine=aviion opsys=dgux5-4r2
259 machine=aviion opsys=dgux
263 mips-dec-ultrix[0-3].* | mips-dec-ultrix4.0* | mips-dec-bsd4.2* )
264 machine=pmax opsys=bsd4-2
266 mips-dec-ultrix* | mips-dec-bsd* )
267 machine=pmax opsys=bsd4-3
270 machine=pmax opsys=osf1
273 ## Motorola Delta machines
274 m68k-motorola-sysv* | m68000-motorola-sysv* )
275 machine=delta opsys=usg5-3
276 if test -z "`type gnucc | grep 'not found'`"
279 if test -z "`type gcc | grep 'not found'`"
285 m88k-motorola-sysv4* )
286 machine=delta88k opsys=usg5-4
288 m88k-motorola-sysv* | m88k-motorola-m88kbcs* )
289 machine=delta88k opsys=usg5-3
294 machine=dual opsys=usg5-2
297 machine=dual opsys=unipl5-2
302 machine=elxsi opsys=usg5-2
307 machine=ns16000 opsys=umax
310 ## The GEC 93 - apparently, this port isn't really finished yet.
312 ## Gould Power Node and NP1
314 machine=gould opsys=bsd4-2
317 machine=gould opsys=bsd4-3
320 machine=gould-np1 opsys=bsd4-3
323 ## Harris Night Hawk machines running CX/UX (a 5000 looks just like a 4000
324 ## as far as Emacs is concerned).
326 # Build needs to be different on 7.0 and later releases
328 [56].[0-9] ) machine=nh4000 opsys=cxux ;;
329 [7].[0-9] ) machine=nh4000 opsys=cxux7 ;;
332 ## Harris ecx or gcx running CX/UX (Series 1200, Series 3000)
334 machine=nh3000 opsys=cxux
338 xps*-honeywell-sysv* )
339 machine=xps100 opsys=usg5-2
342 ## HP 9000 series 200 or 300
344 machine=hp9000s300 opsys=bsd4-3
346 ## HP/UX 7, 8 and 9 are supported on these machines.
349 ## Someone's system reports A.B8.05 for this.
350 ## I wonder what other possibilities there are.
351 *.B8.* ) machine=hp9000s300 opsys=hpux8 ;;
352 *.08.* ) machine=hp9000s300 opsys=hpux8 ;;
353 *.09.* ) machine=hp9000s300 opsys=hpux9 ;;
354 *) machine=hp9000s300 opsys=hpux ;;
358 ## HP 9000 series 700 and 800, running HP/UX
360 machine=hp800 opsys=hpux
363 machine=hp800 opsys=hpux8
366 machine=hp800 opsys=hpux9shr
369 machine=hp800 opsys=hpux9
372 ## HP 9000 series 700 and 800, running HP/UX
374 ## Cross-compilation? Nah!
376 ## Someone's system reports A.B8.05 for this.
377 ## I wonder what other possibilities there are.
378 *.B8.* ) machine=hp800 opsys=hpux8 ;;
379 *.08.* ) machine=hp800 opsys=hpux8 ;;
380 *.09.* ) machine=hp800 opsys=hpux9 ;;
381 *) machine=hp800 opsys=hpux ;;
387 machine=orion opsys=bsd4-2
390 machine=orion105 opsys=bsd4-2
394 i[345]86-ibm-aix1.1* )
395 machine=ibmps2-aix opsys=usg5-2-2
397 i[345]86-ibm-aix1.[23]* | i[345]86-ibm-aix* )
398 machine=ibmps2-aix opsys=usg5-3
401 machine=ibm370aix opsys=usg5-3
403 rs6000-ibm-aix3.1* | powerpc-ibm-aix3.1* )
404 machine=ibmrs6000 opsys=aix3-1
406 rs6000-ibm-aix3.2.5 | powerpc-ibm-aix3.2.5 )
407 machine=ibmrs6000 opsys=aix3-2-5
409 rs6000-ibm-aix4.1* | powerpc-ibm-aix4.1* )
410 machine=ibmrs6000 opsys=aix4-1
412 rs6000-ibm-aix4* | powerpc-ibm-aix4* )
413 machine=ibmrs6000 opsys=aix4
415 rs6000-ibm-aix* | powerpc-ibm-aix* )
416 machine=ibmrs6000 opsys=aix3-2
419 machine=ibmrt opsys=bsd4-3
422 machine=ibmrt opsys=bsd4-2
425 machine=ibmrt opsys=bsd4-3
428 machine=ibmrt opsys=bsd4-2
431 machine=ibmrt opsys=bsd4-3
434 machine=ibmrt opsys=bsd4-3
437 machine=ibmrt-aix opsys=usg5-2-2
440 ## Integrated Solutions `Optimum V'
442 machine=isi-ov opsys=bsd4-2
445 machine=isi-ov opsys=bsd4-3
448 ## Intel 386 machines where we do care about the manufacturer
449 i[345]86-intsys-sysv* )
450 machine=is386 opsys=usg5-2-2
454 i[345]86-prime-sysv* )
455 machine=i386 opsys=usg5-3
458 ## Sequent Symmetry running Dynix
459 i[345]86-sequent-bsd* )
460 machine=symmetry opsys=bsd4-3
463 ## Sequent Symmetry running DYNIX/ptx
464 ## Use the old cpp rather than the newer ANSI one.
465 i[345]86-sequent-ptx* )
466 machine=sequent-ptx opsys=ptx
467 NON_GNU_CPP="/lib/cpp"
470 ## Unspecified sysv on an ncr machine defaults to svr4.2.
471 ## (Plain usg5-4 doesn't turn on POSIX signals, which we need.)
473 machine=intel386 opsys=usg5-4-2
476 ## Intel Paragon OSF/1
478 machine=paragon opsys=osf1 NON_GNU_CPP=/usr/mach/lib/cpp
483 machine=i860 opsys=usg5-4
484 NON_GNU_CC="/bin/cc" # Ie, not the one in /usr/ucb/cc.
485 NON_GNU_CPP="/usr/ccs/lib/cpp" # cc -E tokenizes macro expansion.
490 machine=masscomp opsys=rtu
495 machine=mega68 opsys=bsd4-2
498 ## Workstations sold by MIPS
499 ## This is not necessarily all workstations using the MIPS processor -
500 ## Irises are produced by SGI, and DECstations by DEC.
502 ## etc/MACHINES lists mips.h and mips4.h as possible machine files,
503 ## and usg5-2-2 and bsd4-3 as possible OS files. The only guidance
504 ## it gives for choosing between the alternatives seems to be "Use
505 ## -machine=mips4 for RISCOS version 4; use -opsystem=bsd4-3 with
506 ## the BSD world." I'll assume that these are instructions for
507 ## handling two odd situations, and that every other situation
508 ## should use mips.h and usg5-2-2, they being listed first.
511 ## Fall through to the general code at the bottom to decide on the OS.
514 machine=mips4 opsys=bsd4-3
515 NON_GNU_CC="cc -systype bsd43"
516 NON_GNU_CPP="cc -systype bsd43 -E"
519 machine=mips opsys=bsd4-3
522 machine=mips opsys=usg5-2-2
526 m68*-next-* | i[345]86-next-* )
527 machine=next opsys=mach2
530 ## The complete machine from National Semiconductor
532 machine=ns32000 opsys=usg5-2
536 m68*-ncr-sysv2* | m68*-ncr-sysvr2* )
537 machine=tower32 opsys=usg5-2-2
539 m68*-ncr-sysv3* | m68*-ncr-sysvr3* )
540 machine=tower32v3 opsys=usg5-3
545 machine=targon31 opsys=usg5-2-2
550 machine=nu opsys=usg5-2
555 machine=plexus opsys=usg5-2
559 ## I don't really have any idea what sort of processor the Pyramid has,
560 ## so I'm assuming it is its own architecture.
561 pyramid-pyramid-bsd* )
562 machine=pyramid opsys=bsd4-2
566 ns32k-sequent-bsd4.2* )
567 machine=sequent opsys=bsd4-2
569 ns32k-sequent-bsd4.3* )
570 machine=sequent opsys=bsd4-3
575 machine=mips-siemens opsys=usg5-4
576 NON_GNU_CC=/usr/ccs/bin/cc
577 NON_GNU_CPP=/usr/ccs/lib/cpp
580 ## Silicon Graphics machines
581 ## Iris 2500 and Iris 2500 Turbo (aka the Iris 3030)
583 machine=irist opsys=iris3-5
585 m68*-sgi-iris3.6* | m68*-sgi-iris*)
586 machine=irist opsys=iris3-6
590 machine=iris4d opsys=irix3-3
593 machine=iris4d opsys=irix4-0
595 mips-sgi-irix5.[01]* )
596 machine=iris4d opsys=irix5-0
598 mips-sgi-irix5* | mips-sgi-irix* )
599 machine=iris4d opsys=irix5-2
604 machine=news opsys=bsd4-2
607 machine=news opsys=bsd4-3
609 m68*-sony-newsos3* | m68*-sony-news3*)
610 machine=news opsys=bsd4-3
612 mips-sony-bsd* | mips-sony-newsos4* | mips-sony-news4*)
613 machine=news-risc opsys=bsd4-3
616 machine=news-risc opsys=newsos5
621 machine=stride opsys=usg5-2
625 *-sun-sunos* | *-sun-bsd* | *-sun-solaris* | i[345]86-*-solaris2* | i[345]86-*-sunos5* )
626 case "${canonical}" in
627 m68*-sunos1* ) machine=sun1 ;;
628 m68*-sunos2* ) machine=sun2 ;;
629 m68* ) machine=sun3 ;;
630 i[345]86-sun-sunos[34]* ) machine=sun386 ;;
631 i[345]86-*-* ) machine=intel386 ;;
632 sparc* ) machine=sparc ;;
635 case "${canonical}" in
636 ## The Sun386 didn't get past 4.0.
637 i[345]86-*-sunos4 ) opsys=sunos4-0 ;;
638 *-sunos4.0* ) opsys=sunos4-0 ;;
639 *-sunos4.1.3* ) opsys=sunos4-1-3
640 NON_GCC_TEST_OPTIONS=-Bstatic
641 GCC_TEST_OPTIONS=-static
643 *-sunos4shr* ) opsys=sunos4shr ;;
644 *-sunos4* | *-sunos ) opsys=sunos4-1
645 NON_GCC_TEST_OPTIONS=-Bstatic
646 GCC_TEST_OPTIONS=-static
648 *-sunos5.3* | *-solaris2.3* )
650 NON_GNU_CPP=/usr/ccs/lib/cpp
652 *-sunos5.4* | *-solaris2.4* )
654 NON_GNU_CPP=/usr/ccs/lib/cpp
656 *-sunos5* | *-solaris* )
658 NON_GNU_CPP=/usr/ccs/lib/cpp
666 machine=tad68k opsys=usg5-3
670 tahoe-tahoe-bsd4.2* )
671 machine=tahoe opsys=bsd4-2
673 tahoe-tahoe-bsd4.3* )
674 machine=tahoe opsys=bsd4-3
677 ## Tandem Integrity S2
679 machine=tandem-s2 opsys=usg5-3
683 m88k-tektronix-sysv3* )
684 machine=tekxd88 opsys=usg5-3
687 ## Tektronix 16000 box (6130?)
688 ns16k-tektronix-bsd* )
689 machine=ns16000 opsys=bsd4-2
692 ## src/m/tek4300.h hints that this is a m68k machine.
693 m68*-tektronix-bsd* )
694 machine=tek4300 opsys=bsd4-3
698 ## We seem to have lost the machine-description file titan.h!
700 machine=titan opsys=usg5-3
703 ## Ustation E30 (SS5E)
704 m68*-unisys-uniplus* )
705 machine=ustation opsystem=unipl5-2
711 case "${canonical}" in
712 *-bsd4.1* ) opsys=bsd4-1 ;;
713 *-bsd4.2* | *-ultrix[0-3].* | *-ultrix4.0* ) opsys=bsd4-2 ;;
714 *-bsd4.3* | *-ultrix* ) opsys=bsd4-3 ;;
715 *-bsd386* | *-bsdi* ) opsys=bsd386 ;;
716 *-sysv[01]* | *-sysvr[01]* ) opsys=usg5-0 ;;
717 *-sysv2* | *-sysvr2* ) opsys=usg5-2 ;;
718 *-vms* ) opsys=vms ;;
724 ns16k-whitechapel-* )
726 ## We don't know what sort of OS runs on these; we'll let the
727 ## operating system guessing code below try.
732 machine=wicat opsys=usg5-2
735 ## Intel 386 machines where we don't care about the manufacturer
738 case "${canonical}" in
739 *-isc1.* | *-isc2.[01]* ) opsys=386-ix ;;
740 *-isc2.2* ) opsys=isc2-2 ;;
741 *-isc4.0* ) opsys=isc4-0 ;;
742 *-isc* ) opsys=isc3-0 ;;
743 *-esix5* ) opsys=esix5r4; NON_GNU_CPP=/usr/lib/cpp ;;
744 *-esix* ) opsys=esix ;;
745 *-xenix* ) opsys=xenix ;;
746 *-linux* ) opsys=linux ;;
747 *-sco3.2v4* ) opsys=sco4 ; NON_GNU_CPP=/lib/cpp ;;
748 *-bsd386* | *-bsdi* ) opsys=bsd386 ;;
749 *-386bsd* ) opsys=386bsd ;;
750 *-freebsd* ) opsys=freebsd ;;
751 *-nextstep* ) opsys=mach2 ;;
752 ## Otherwise, we'll fall through to the generic opsys code at the bottom.
761 ### If the code above didn't choose an operating system, just choose
762 ### an operating system based on the configuration name. You really
763 ### only want to use this when you have no idea what the right
764 ### operating system is; if you know what operating systems a machine
765 ### runs, it's cleaner to make it explicit in the case statement
767 if test x"${opsys}" = x; then
768 case "${canonical}" in
769 *-gnu* ) opsys=gnu ;;
770 *-bsd4.[01] ) opsys=bsd4-1 ;;
771 *-bsd4.2 ) opsys=bsd4-2 ;;
772 *-bsd4.3 ) opsys=bsd4-3 ;;
773 *-sysv0 | *-sysvr0 ) opsys=usg5-0 ;;
774 *-sysv2 | *-sysvr2 ) opsys=usg5-2 ;;
775 *-sysv2.2 | *-sysvr2.2 ) opsys=usg5-2-2 ;;
776 *-sysv3 | *-sysvr3 ) opsys=usg5-3 ;;
777 *-sysv4 | *-sysvr4 ) opsys=usg5-4 ;;
778 *-sysv4.1 | *-sysvr4.1 )
779 NON_GNU_CPP=/usr/lib/cpp
781 *-sysv4.2 | *-sysvr4.2 )
782 if [ x$NON_GNU_CPP = x ]; then
783 NON_GNU_CPP=/usr/ccs/lib/cpp
794 if test $unported = yes; then
795 AC_MSG_ERROR([Emacs hasn't been ported to \`${canonical}' systems.
796 Check \`etc/MACHINES' for recognized configuration names.])
799 machfile="m/${machine}.h"
800 opsysfile="s/${opsys}.h"
803 #### Choose a compiler.
804 test -n "$CC" && cc_specified=yes
807 "yes" ) CC="gcc" GCC=yes ;;
812 # On Suns, sometimes $CPP names a directory.
813 if test -n "$CPP" && test -d "$CPP"; then
817 #### Some systems specify a CPP to use unless we are using GCC.
818 #### Now that we know whether we are using GCC, we can decide whether
819 #### to use that one.
820 if test "x$NON_GNU_CPP" != x && test x$GCC != xyes && test "x$CPP" = x
825 #### Some systems specify a CC to use unless we are using GCC.
826 #### Now that we know whether we are using GCC, we can decide whether
827 #### to use that one.
828 if test "x$NON_GNU_CC" != x && test x$GCC != xyes &&
829 test x$cc_specified != xyes
834 if test x$GCC = xyes && test "x$GCC_TEST_OPTIONS" != x
836 CC="$CC $GCC_TEST_OPTIONS"
839 if test x$GCC = x && test "x$NON_GCC_TEST_OPTIONS" != x
841 CC="$CC $NON_GCC_TEST_OPTIONS"
844 #### Some other nice autoconf tests. If you add a test here which
845 #### should make an entry in src/config.h, don't forget to add an
846 #### #undef clause to src/config.h.in for autoconf to modify.
848 dnl checks for programs
854 dnl checks for Unix variants
857 dnl checks for header files
858 AC_CHECK_HEADERS(sys/timeb.h sys/time.h unistd.h utime.h)
863 dnl Some systems have utime.h but don't declare the struct anyplace.
864 AC_MSG_CHECKING(for struct utimbuf)
865 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
866 #include <sys/time.h>
869 #ifdef HAVE_SYS_TIME_H
870 #include <sys/time.h>
877 #endif], [static struct utimbuf x; x.actime = x.modtime;],
879 AC_DEFINE(HAVE_STRUCT_UTIMBUF)],
882 dnl checks for typedefs
885 AC_MSG_CHECKING(for struct timeval)
886 AC_TRY_COMPILE([#ifdef TIME_WITH_SYS_TIME
887 #include <sys/time.h>
890 #ifdef HAVE_SYS_TIME_H
891 #include <sys/time.h>
895 #endif], [static struct timeval x; x.tv_sec = x.tv_usec;],
897 AC_DEFINE(HAVE_TIMEVAL)],
900 dnl checks for structure members
904 dnl checks for compiler characteristics
907 dnl check for Make feature
910 dnl checks for operating system services
911 AC_SYS_LONG_FILE_NAMES
913 #### Choose a window system.
916 if test "$no_x" = yes; then
922 if test "${x_libraries}" != NONE && test -n "${x_libraries}"; then
923 LD_SWITCH_X_SITE="-L${x_libraries}"
924 LD_SWITCH_X_SITE_AUX="-R${x_libraries}"
926 if test "${x_includes}" != NONE && test -n "${x_includes}"; then
927 C_SWITCH_X_SITE="-I${x_includes}"
930 if test x"${x_includes}" = x; then
931 bitmapdir=/usr/include/X11/bitmaps
933 bitmapdir="${x_includes}/bitmaps"
936 case "${window_system}" in
940 case "${with_x_toolkit}" in
941 athena | lucid ) USE_X_TOOLKIT=LUCID ;;
942 motif ) USE_X_TOOLKIT=MOTIF ;;
943 dnl open-look ) USE_X_TOOLKIT=OPEN_LOOK ;;
944 * ) USE_X_TOOLKIT=none ;;
953 X_TOOLKIT_TYPE=$USE_X_TOOLKIT
955 ### If we're using X11, we should use the X menu package.
958 yes ) HAVE_X_MENU=yes ;;
961 #### Extract some information from the operating system and machine files.
963 AC_CHECKING([the machine- and system-dependent files to find out
964 - which libraries the lib-src programs will want, and
965 - whether the GNU malloc routines are usable])
967 ### First figure out CFLAGS (which we use for running the compiler here)
968 ### and REAL_CFLAGS (which we use for real compilation).
969 ### The two are the same except on a few systems, where they are made
970 ### different to work around various lossages. For example,
971 ### GCC 2.5 on Linux needs them to be different because it treats -g
972 ### as implying static linking.
974 ### If the CFLAGS env var is specified, we use that value
975 ### instead of the default.
977 ### It's not important that this name contain the PID; you can't run
978 ### two configures in the same directory and have anything work
980 tempcname="conftest.c"
983 #include "'${srcdir}'/src/'${opsysfile}'"
984 #include "'${srcdir}'/src/'${machfile}'"
991 #ifndef C_SWITCH_SYSTEM
992 #define C_SWITCH_SYSTEM
994 #ifndef C_SWITCH_MACHINE
995 #define C_SWITCH_MACHINE
997 configure___ libsrc_libs=LIBS_MACHINE LIBS_SYSTEM
998 configure___ c_switch_system=C_SWITCH_SYSTEM
999 configure___ c_switch_machine=C_SWITCH_MACHINE
1002 #define LIB_X11_LIB -lX11
1005 #ifndef LIBX11_MACHINE
1006 #define LIBX11_MACHINE
1009 #ifndef LIBX11_SYSTEM
1010 #define LIBX11_SYSTEM
1012 configure___ LIBX=LIB_X11_LIB LIBX11_MACHINE LIBX11_SYSTEM
1015 configure___ unexec=UNEXEC
1017 configure___ unexec=unexec.o
1020 #ifdef SYSTEM_MALLOC
1021 configure___ system_malloc=yes
1023 configure___ system_malloc=no
1026 #ifndef C_DEBUG_SWITCH
1027 #define C_DEBUG_SWITCH -g
1030 #ifndef C_OPTIMIZE_SWITCH
1031 #define C_OPTIMIZE_SWITCH -O
1034 #ifdef THIS_IS_CONFIGURE
1036 /* Get the CFLAGS for tests in configure. */
1038 configure___ CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${CFLAGS}'
1040 configure___ CFLAGS=C_DEBUG_SWITCH '${CFLAGS}'
1043 #else /* not THIS_IS_CONFIGURE */
1045 /* Get the CFLAGS for real compilation. */
1047 configure___ REAL_CFLAGS=C_DEBUG_SWITCH C_OPTIMIZE_SWITCH '${CFLAGS}'
1049 configure___ REAL_CFLAGS=C_DEBUG_SWITCH '${CFLAGS}'
1052 #endif /* not THIS_IS_CONFIGURE */
1055 # The value of CPP is a quoted variable reference, so we need to do this
1056 # to get its actual value...
1057 CPP=`eval "echo $CPP"`
1059 eval `${CPP} -Isrc ${tempcname} \
1060 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1061 if test "x$CFLAGS" = x; then
1062 eval `${CPP} -Isrc -DTHIS_IS_CONFIGURE ${tempcname} \
1063 | sed -n -e 's/^configure___ \([^=]*=\)\(.*\)$/\1"\2"/p'`
1065 REAL_CFLAGS="$CFLAGS"
1067 changequote([, ])dnl
1070 ### Compute the unexec source name from the object name.
1071 UNEXEC_SRC="`echo ${unexec} | sed 's/\.o/.c/'`"
1073 # Do the opsystem or machine files prohibit the use of the GNU malloc?
1074 # Assume not, until told otherwise.
1076 if test "${system_malloc}" = "yes"; then
1079 (The GNU allocators don't work with this system configuration.)"
1082 if test x"${REL_ALLOC}" = x; then
1083 REL_ALLOC=${GNU_MALLOC}
1089 #### Add the libraries to LIBS and check for some functions.
1091 CPPFLAGS="$c_switch_system $c_switch_machine $CPPFLAGS"
1094 dnl If found, this defines HAVE_LIBDNET, which m/pmax.h checks,
1095 dnl and also adds -ldnet to LIBS, which Autoconf uses for checks.
1096 AC_CHECK_LIB(dnet, dnet_ntoa)
1097 dnl This causes -lresolv to get used in subsequent tests,
1098 dnl which causes failures on some systems such as HPUX 9.
1099 dnl AC_CHECK_LIB(resolv, gethostbyname)
1101 dnl FIXME replace main with a function we actually want from this library.
1102 AC_CHECK_LIB(Xbsd, main, LD_SWITCH_X_SITE="$LD_SWITCH_X_SITE -lXbsd")
1104 AC_MSG_CHECKING(for XFree86)
1105 if test -d /usr/X386/include; then
1107 : ${C_SWITCH_X_SITE="-I/usr/X386/include"}
1111 AC_MSG_RESULT($HAVE_XFREE386)
1113 # We change CFLAGS temporarily so that C_SWITCH_X_SITE gets used
1114 # for the tests that follow.
1116 if test "${HAVE_X11}" = "yes"; then
1117 DEFS="$C_SWITCH_X_SITE $DEFS"
1118 LIBS="$LD_SWITCH_X_SITE $LIBX $LIBS"
1119 CFLAGS="$C_SWITCH_X_SITE $CFLAGS"
1120 AC_CHECK_FUNCS(XrmSetDatabase XScreenResourceString \
1121 XScreenNumberOfScreen XSetWMProtocols)
1124 if test "${USE_X_TOOLKIT}" != "none"; then
1125 AC_MSG_CHECKING(X11 toolkit version)
1126 AC_TRY_LINK([#include <X11/Intrinsic.h>],
1127 [#if XtSpecificationRelease < 6
1130 ], [AC_MSG_RESULT(6)
1131 AC_DEFINE(HAVE_X11XTR6)],
1132 [AC_MSG_RESULT(not 6)])
1135 # If netdb.h doesn't declare h_errno, we must declare it by hand.
1136 AC_MSG_CHECKING(whether netdb declarares h_errno)
1137 AC_TRY_LINK([#include <netdb.h>],
1140 AC_DEFINE(HAVE_H_ERRNO)],
1141 [AC_MSG_RESULT(no)])
1145 # logb and frexp are found in -lm on most systems.
1146 AC_CHECK_LIB(m, logb)
1147 AC_CHECK_FUNCS(gettimeofday gethostname dup2 rename closedir mkdir rmdir \
1148 random lrand48 bcopy bcmp logb frexp fmod drem ftime res_init setsid \
1149 strerror fpathconf select mktime eaccess getpagesize)
1152 AC_CHECK_FUNC(socket, , ok_so_far=no)
1153 if test $ok_so_far = yes; then
1154 AC_CHECK_HEADER(netinet/in.h, , ok_so_far=no)
1156 if test $ok_so_far = yes; then
1157 AC_CHECK_HEADER(arpa/inet.h, , ok_so_far=no)
1159 if test $ok_so_far = yes; then
1160 AC_DEFINE(HAVE_INET_SOCKETS)
1163 if test -f /usr/lpp/X11/bin/smt.exp; then
1164 AC_DEFINE(HAVE_AIX_SMT_EXP)
1167 # Set up the CFLAGS for real compilation, so we can substitute it.
1168 CFLAGS="$REAL_CFLAGS"
1171 #### Find out which version of Emacs this is.
1172 version=`grep 'defconst[ ]*emacs-version' ${srcdir}/lisp/version.el \
1173 | sed -e 's/^[^"]*"\([^"]*\)".*$/\1/'`
1174 changequote([, ])dnl
1175 if test x"${version}" = x; then
1176 AC_MSG_ERROR(can't find current emacs version in \`${srcdir}/lisp/version.el'.)
1179 ### Specify what sort of things we'll be editing into Makefile and config.h.
1180 ### Use configuration here uncanonicalized to avoid exceeding size limits.
1182 AC_SUBST(configuration)
1186 AC_SUBST(exec_prefix)
1189 AC_SUBST(sharedstatedir)
1190 AC_SUBST(libexecdir)
1194 AC_SUBST(locallisppath)
1198 AC_SUBST(archlibdir)
1201 AC_SUBST(c_switch_system)
1202 AC_SUBST(c_switch_machine)
1203 AC_SUBST(LD_SWITCH_X_SITE)
1204 AC_SUBST(LD_SWITCH_X_SITE_AUX)
1205 AC_SUBST(C_SWITCH_X_SITE)
1207 AC_SUBST(X_TOOLKIT_TYPE)
1211 AC_DEFINE_UNQUOTED(EMACS_CONFIGURATION, "${canonical}")
1212 AC_DEFINE_UNQUOTED(EMACS_CONFIG_OPTIONS, "${config_options}")
1213 AC_DEFINE_UNQUOTED(config_machfile, "${machfile}")
1214 AC_DEFINE_UNQUOTED(config_opsysfile, "${opsysfile}")
1215 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE, ${LD_SWITCH_X_SITE})
1216 AC_DEFINE_UNQUOTED(LD_SWITCH_X_SITE_AUX, ${LD_SWITCH_X_SITE_AUX})
1217 AC_DEFINE_UNQUOTED(C_SWITCH_X_SITE, ${C_SWITCH_X_SITE})
1218 AC_DEFINE_UNQUOTED(UNEXEC_SRC, ${UNEXEC_SRC})
1220 if test "${HAVE_X_WINDOWS}" = "yes" ; then
1221 AC_DEFINE(HAVE_X_WINDOWS)
1223 if test "${USE_X_TOOLKIT}" != "none" ; then
1224 AC_DEFINE(USE_X_TOOLKIT)
1226 if test "${HAVE_X11}" = "yes" ; then
1229 if test "${HAVE_XFREE386}" = "yes" ; then
1230 AC_DEFINE(HAVE_XFREE386)
1232 if test "${HAVE_X_MENU}" = "yes" ; then
1233 AC_DEFINE(HAVE_X_MENU)
1235 if test "${GNU_MALLOC}" = "yes" ; then
1236 AC_DEFINE(GNU_MALLOC)
1238 if test "${REL_ALLOC}" = "yes" ; then
1239 AC_DEFINE(REL_ALLOC)
1241 if test "${LISP_FLOAT_TYPE}" = "yes" ; then
1242 AC_DEFINE(LISP_FLOAT_TYPE)
1245 #### Report on what we decided to do.
1248 Configured for \`${canonical}'.
1250 Where should the build process find the source code? ${srcdir}
1251 What operating system and machine description files should Emacs use?
1252 \`${opsysfile}' and \`${machfile}'
1253 What compiler should emacs be built with? ${CC} ${CFLAGS}
1254 Should Emacs use the GNU version of malloc? ${GNU_MALLOC}${GNU_MALLOC_reason}
1255 Should Emacs use the relocating allocator for buffers? ${REL_ALLOC}
1256 What window system should Emacs use? ${window_system}
1257 What toolkit should Emacs use? ${USE_X_TOOLKIT}${x_includes+
1258 Where do we find X Windows header files? }${x_includes}${x_libraries+
1259 Where do we find X Windows libraries? }${x_libraries}
1263 # Remove any trailing slashes in these variables.
1265 test "${prefix}" != NONE &&
1266 prefix=`echo "${prefix}" | sed 's,\([^/]\)/*$,\1,'`
1267 test "${exec_prefix}" != NONE &&
1268 exec_prefix=`echo "${exec_prefix}" | sed 's,\([^/]\)/*$,\1,'`
1269 changequote([, ])dnl
1271 AC_OUTPUT(Makefile lib-src/Makefile.in oldXMenu/Makefile \
1272 man/Makefile lwlib/Makefile src/Makefile.in, [
1274 ### Make the necessary directories, if they don't exist.
1275 for dir in cpp etc ; do
1276 test -d ${dir} || mkdir ${dir}
1279 # Build src/Makefile from ${srcdir}/src/Makefile.in. This must be done
1280 # after src/config.h is built, since we rely on that file.
1282 changequote(, )dnl The horror, the horror.
1283 # Now get this: Some word that is part of the ${srcdir} directory name
1284 # or the ${configuration} value might, just might, happen to be an
1285 # identifier like `sun4' or `i386' or something, and be predefined by
1286 # the C preprocessor to some helpful value like 1, or maybe the empty
1287 # string. Needless to say consequent macro substitutions are less
1288 # than conducive to the makefile finding the correct directory.
1289 undefs="`echo $top_srcdir $configuration $canonical |
1290 sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
1291 -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g' \
1293 changequote([, ])dnl
1295 echo creating lib-src/Makefile
1297 rm -f junk.c junk1.c junk2.c
1298 sed -e '/start of cpp stuff/q' \
1299 < Makefile.in > junk1.c
1300 sed -e '1,/start of cpp stuff/d'\
1301 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1302 < Makefile.in > junk.c
1303 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1304 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1305 cat junk1.c junk2.c > Makefile.new
1306 rm -f junk.c junk1.c junk2.c
1307 chmod 444 Makefile.new
1308 mv -f Makefile.new Makefile
1311 echo creating src/Makefile
1313 rm -f junk.c junk1.c junk2.c
1314 sed -e '/start of cpp stuff/q' \
1315 < Makefile.in > junk1.c
1316 sed -e '1,/start of cpp stuff/d'\
1317 -e 's@/\*\*/#\(.*\)$@/* \1 */@' \
1318 < Makefile.in > junk.c
1319 $CPP $undefs -I. -I$top_srcdir/src $CPPFLAGS junk.c | \
1320 sed -e 's/^ / /' -e '/^#/d' -e '/^[
\f]*$/d' > junk2.c
1321 cat junk1.c junk2.c > Makefile.new
1322 rm -f junk.c junk1.c junk2.c
1323 chmod 444 Makefile.new
1324 mv -f Makefile.new Makefile
1326 ], [CPP="$CPP" CPPFLAGS="$CPPFLAGS"])