blob: 8417fe009cca2238c3e6cc0f5fb517a884dd52ea [file] [log] [blame]
Guido van Rossum76be6ed1995-01-02 18:33:54 +00001dnl Process this file with autoconf 2.0 or later to make a configure script.
2AC_REVISION($Revision$)
3AC_PREREQ(2.0)
Guido van Rossum6085e321993-12-26 18:24:40 +00004AC_INIT(Include/object.h)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00005AC_CONFIG_HEADER(config.h)
Guido van Rossum627b2d71993-12-24 10:39:16 +00006
7# checks for alternative programs
Guido van Rossum5739e7e1995-01-20 16:50:53 +00008AC_MSG_CHECKING(for --without-gcc)
Guido van Rossum76be6ed1995-01-02 18:33:54 +00009AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
Guido van Rossum433c8ad1994-08-01 12:07:07 +000010 case $withval in
Guido van Rossum5739e7e1995-01-20 16:50:53 +000011 no) CC=cc
12 without_gcc=yes;;
13 yes) CC=gcc
14 without_gcc=no;;
15 *) CC=$withval
16 without_gcc=$withval;;
Guido van Rossum55a214e1995-09-13 17:48:09 +000017 esac], [
18 case `uname -s` in
19 OSF1) CC=cc
20 without_gcc=;;
21 *) without_gcc=no;;
22 esac])
Guido van Rossum5739e7e1995-01-20 16:50:53 +000023AC_MSG_RESULT($without_gcc)
24
Guido van Rossum03ad99f1995-03-09 14:09:54 +000025# If the user switches compilers, we can't believe the cache
26if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
27then
28 AC_ERROR(cached CC is different -- throw away $cache_file
29(it is also a good idea to do 'make clean' before compiling))
30fi
31
Guido van Rossum627b2d71993-12-24 10:39:16 +000032AC_PROG_CC
33AC_PROG_RANLIB
Guido van Rossum433c8ad1994-08-01 12:07:07 +000034AC_SUBST(AR)
Guido van Rossum76be6ed1995-01-02 18:33:54 +000035AC_CHECK_PROGS(AR, ar aal, ar)
Guido van Rossum4e8af441994-08-19 15:33:54 +000036AC_SUBST(INSTALL)
Guido van Rossum7d473291995-01-20 14:12:16 +000037AC_SUBST(INSTALL_PROGRAM)
38AC_SUBST(INSTALL_DATA)
Guido van Rossum4e8af441994-08-19 15:33:54 +000039# Install just never works :-(
40if test -z "$INSTALL"
Guido van Rossum7d473291995-01-20 14:12:16 +000041then
42 INSTALL=cp
43 INSTALL_PROGRAM=cp
44 INSTALL_DATA=cp
45else
46 INSTALL_PROGRAM="$INSTALL"
47 INSTALL_DATA="$INSTALL -m 644"
Guido van Rossum4e8af441994-08-19 15:33:54 +000048fi
49AC_SUBST(OPT)
50# Optimizer/debugger flags passed between Makefiles
51if test -z "$OPT"
52then OPT=-O
53fi
Guido van Rossum627b2d71993-12-24 10:39:16 +000054
55# checks for UNIX variants that set C preprocessor variables
56AC_AIX
Guido van Rossum627b2d71993-12-24 10:39:16 +000057AC_MINIX
Guido van Rossum5739e7e1995-01-20 16:50:53 +000058
Guido van Rossum627b2d71993-12-24 10:39:16 +000059# checks for header files
Guido van Rossum76be6ed1995-01-02 18:33:54 +000060AC_HEADER_STDC
Guido van Rossuma2ef3831996-06-26 19:45:23 +000061AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h ncurses.h \
62signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
Guido van Rossum22b6db61996-06-28 20:18:10 +000063sys/audioio.h sys/lock.h sys/param.h sys/select.h sys/time.h sys/times.h \
Guido van Rossuma2ef3831996-06-26 19:45:23 +000064sys/un.h sys/utsname.h sys/wait.h)
Guido van Rossum76be6ed1995-01-02 18:33:54 +000065AC_HEADER_DIRENT
Guido van Rossum627b2d71993-12-24 10:39:16 +000066
67# checks for typedefs
Guido van Rossum5739e7e1995-01-20 16:50:53 +000068was_it_defined=no
69AC_MSG_CHECKING(for clock_t in time.h)
70AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
71AC_MSG_RESULT($was_it_defined)
72
Guido van Rossum76be6ed1995-01-02 18:33:54 +000073AC_TYPE_MODE_T
74AC_TYPE_OFF_T
75AC_TYPE_PID_T
76AC_TYPE_SIGNAL
77AC_TYPE_SIZE_T
78AC_TYPE_UID_T
Guido van Rossum627b2d71993-12-24 10:39:16 +000079
Guido van Rossumac405f61994-09-12 10:56:06 +000080# Set name for machine-dependent library files
81AC_SUBST(MACHDEP)
Guido van Rossum76be6ed1995-01-02 18:33:54 +000082AC_MSG_CHECKING(MACHDEP)
Guido van Rossumac405f61994-09-12 10:56:06 +000083if test -z "$MACHDEP"
84then
Guido van Rossum2242fd11995-09-19 16:19:29 +000085 ac_sys_system=`uname -s | tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
86 ac_sys_release=`uname -r | tr -d '[/ ]' | sed 's/\..*//'`
Guido van Rossum45ee2ea1995-08-28 02:44:00 +000087 ac_sys_cpu=`(uname -p 2>/dev/null || uname -m) |
Guido van Rossum2242fd11995-09-19 16:19:29 +000088 tr '[[A-Z]]' '[[a-z]]'`
Guido van Rossum45ee2ea1995-08-28 02:44:00 +000089## MACHDEP="$ac_sys_system$ac_sys_release$ac_sys_cpu"
Guido van Rossum76be6ed1995-01-02 18:33:54 +000090 MACHDEP="$ac_sys_system$ac_sys_release"
Guido van Rossumac405f61994-09-12 10:56:06 +000091 case MACHDEP in
92 '') MACHDEP=unknown;;
93 esac
Guido van Rossumac405f61994-09-12 10:56:06 +000094fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +000095AC_MSG_RESULT($MACHDEP)
Guido van Rossumac405f61994-09-12 10:56:06 +000096
97# Set info about shared libraries.
98# XXX This should try things out instead of testing uname!
99AC_SUBST(SO)
100AC_SUBST(LDSHARED)
101AC_SUBST(CCSHARED)
102AC_SUBST(LINKFORSHARED)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000103ac_sys_system=`uname -s`
104ac_sys_release=`uname -r`
Guido van Rossumac405f61994-09-12 10:56:06 +0000105# SO is the extension of shared libraries `(including the dot!)
106# -- usually .so, .sl on HP-UX
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000107AC_MSG_CHECKING(SO)
Guido van Rossumac405f61994-09-12 10:56:06 +0000108if test -z "$SO"
109then
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000110 case $ac_sys_system in
Guido van Rossumac405f61994-09-12 10:56:06 +0000111 hp*|HP*) SO=.sl;;
112 *) SO=.so;;
113 esac
Guido van Rossumac405f61994-09-12 10:56:06 +0000114fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000115AC_MSG_RESULT($SO)
Guido van Rossumac405f61994-09-12 10:56:06 +0000116# LDSHARED is the ld *command* used to create shared library
117# -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000118AC_MSG_CHECKING(LDSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000119if test -z "$LDSHARED"
120then
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000121 case $ac_sys_system/$ac_sys_release in
Guido van Rossumac405f61994-09-12 10:56:06 +0000122 IRIX*) LDSHARED="ld -shared";;
123 SunOS/4*) LDSHARED="ld";;
124 SunOS/5*) LDSHARED="ld -G";;
125 hp*|HP*) LDSHARED="ld -b";;
Guido van Rossum71001e41995-01-26 00:44:03 +0000126 OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
Guido van Rossum7d473291995-01-20 14:12:16 +0000127 DYNIX/ptx*) LDSHARED="ld -G";;
Guido van Rossumb65a48e1995-06-14 18:21:23 +0000128 Linux*) LDSHARED="gcc-elf -shared";;
Guido van Rossum68242b51996-05-28 22:53:03 +0000129 FreeBSD*) LDSHARED="ld -Bshareable";;
Guido van Rossumac405f61994-09-12 10:56:06 +0000130 *) LDSHARED="ld";;
131 esac
Guido van Rossumac405f61994-09-12 10:56:06 +0000132fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000133AC_MSG_RESULT($LDSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000134# CCSHARED are the C *flags* used to create objects to go into a shared
Guido van Rossumb65a48e1995-06-14 18:21:23 +0000135# library -- this is only needed for a few systems
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000136AC_MSG_CHECKING(CCSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000137if test -z "$CCSHARED"
138then
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000139 case $ac_sys_system in
Guido van Rossumaf07a441995-02-13 19:45:27 +0000140 hp*|HP*) if test "$GCC" = yes;
141 then CCSHARED="-fpic";
142 else CCSHARED="+z";
143 fi;;
Guido van Rossumb65a48e1995-06-14 18:21:23 +0000144 Linux*) CCSHARED="-fpic";;
Guido van Rossum68242b51996-05-28 22:53:03 +0000145 FreeBSD*) CCSHARED="-fpic";;
Guido van Rossumac405f61994-09-12 10:56:06 +0000146 esac
Guido van Rossumac405f61994-09-12 10:56:06 +0000147fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000148AC_MSG_RESULT($CCSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000149# LINKFORSHARED are the flags passed to the $(CC) command that links
Guido van Rossumb65a48e1995-06-14 18:21:23 +0000150# the python executable -- this is only needed for a few systems
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000151AC_MSG_CHECKING(LINKFORSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000152if test -z "$LINKFORSHARED"
153then
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000154 case $ac_sys_system in
Guido van Rossumac405f61994-09-12 10:56:06 +0000155 hp*|HP*) LINKFORSHARED="-Wl,-E";;
Guido van Rossumb65a48e1995-06-14 18:21:23 +0000156 Linux*) LINKFORSHARED="-rdynamic";;
Guido van Rossumac405f61994-09-12 10:56:06 +0000157 esac
Guido van Rossumac405f61994-09-12 10:56:06 +0000158fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000159AC_MSG_RESULT($LINKFORSHARED)
Guido van Rossumac405f61994-09-12 10:56:06 +0000160
Guido van Rossum627b2d71993-12-24 10:39:16 +0000161# checks for libraries
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000162AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
163AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
164AC_CHECK_LIB(sun, getpwnam) # NIS (== YP) interface for IRIX 4
Guido van Rossum71001e41995-01-26 00:44:03 +0000165# The following three (nsl,inet,socket) are needed on Sequent;
166# the order of checking must be this. Most SVR4 platforms will
167# need -lsocket and -lnsl. However on SGI IRIX 5, these exist but
168# broken. I see no elegant solution (probably CHECK_LIB should be
169# fixed to only add the library if the given entry point is not
170# satisfied without it).
171if test "`uname -s`" != IRIX
172then
Guido van Rossumf618d2c1995-01-17 16:36:13 +0000173AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
174AC_CHECK_LIB(inet, gethostbyname, [LIBS="-linet $LIBS"], [], -lnsl) # Sequent
175AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
Guido van Rossum71001e41995-01-26 00:44:03 +0000176fi
Guido van Rossum627b2d71993-12-24 10:39:16 +0000177
Guido van Rossum68242b51996-05-28 22:53:03 +0000178# XXX need to check whether libreadline.a actually exists there!
179# XXX Also, on some systems, it's libreadline.so...
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000180AC_MSG_CHECKING(for --with-readline)
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000181AC_ARG_WITH(readline, [--with-readline[=DIRECTORY] use GNU readline library], [
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000182AC_MSG_RESULT($withval)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000183AC_DEFINE(WITH_READLINE)
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000184if test -d "$withval"
185then LIBS="$LIBS -L$withval"
Guido van Rossum627b2d71993-12-24 10:39:16 +0000186fi
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000187termcap=
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000188AC_CHECK_LIB(termcap, tgetent, [termcap=termcap], [
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000189AC_CHECK_LIB(termlib, tgetent, [termcap=termlib], [
190AC_ERROR(no working termcap/termlib -- do not use --with-readline)])])
191AC_CHECK_LIB(readline, readline, [
192LIBS="$LIBS -lreadline"
193# Avoid possible conflict between shared libraries termcap and gl
194# on IRIX 5: both contain a routine called clear.
195if test -f /usr/lib/lib$termcap.a
196then LIBS="$LIBS /usr/lib/lib$termcap.a"
197else LIBS="$LIBS -l$termcap"
198fi
199], [AC_ERROR(no working GNU readline -- do not use --with-readline)],
200-l$termcap)],
201AC_MSG_RESULT(no))
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000202
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000203AC_MSG_CHECKING(for --with-thread)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000204AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000205AC_MSG_RESULT($withval)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000206if test -d "$withval"
207then LIBS="$LIBS -L$withval"
208fi
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000209AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000210AC_DEFINE(_POSIX_THREADS)
211LIBS="$LIBS -lpthreads"
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000212LIBOBJS="$LIBOBJS thread.o"], [
213AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
214AC_DEFINE(_POSIX_THREADS)
215LIBS="$LIBS -lpthread"
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000216LIBOBJS="$LIBOBJS thread.o"])
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000217])
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000218AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000219LIBS="$LIBS -lmpc"
220LIBOBJS="$LIBOBJS thread.o"])
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000221AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000222LIBS="$LIBS -lthread"
223LIBOBJS="$LIBOBJS thread.o"])
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000224], AC_MSG_RESULT(no))
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000225
Guido van Rossum68242b51996-05-28 22:53:03 +0000226# -I${DLINCLDIR} is added to the compile rule for importdl.o
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000227AC_SUBST(DLINCLDIR)
228DLINCLDIR=/
229
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000230AC_MSG_CHECKING(for --with-sgi-dl)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000231AC_ARG_WITH(sgi-dl, [--with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000232AC_MSG_RESULT($withval)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000233AC_DEFINE(WITH_SGI_DL)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000234dldir=$withval
235if test -d "$dldir"
236then LIBS="$LIBS -L$dldir"
237else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
238fi
239DLINCLDIR=${dldir}
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000240LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000241
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000242AC_MSG_CHECKING(for --with-dl-dld)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000243AC_ARG_WITH(dl-dld, [--with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000244AC_MSG_RESULT($withval)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000245AC_DEFINE(WITH_DL_DLD)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000246dldir=`echo "$withval" | sed 's/,.*//'`
247dlddir=`echo "$withval" | sed 's/.*,//'`
248if test -d "$dldir" -a -d "$dlddir"
249then LIBS="$LIBS -L$dldir -L$dlddir"
250else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
251fi
252DLINCLDIR=${dldir}
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000253LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
Guido van Rossum627b2d71993-12-24 10:39:16 +0000254
255# checks for library functions
Guido van Rossuma2ef3831996-06-26 19:45:23 +0000256AC_CHECK_FUNCS(chown clock dlopen flock ftime ftruncate \
Guido van Rossum68242b51996-05-28 22:53:03 +0000257 gethostname_r getpeername getpgrp getpid gettimeofday getwd \
Guido van Rossum22b6db61996-06-28 20:18:10 +0000258 link lstat mkfifo nice plock readlink \
Guido van Rossum68242b51996-05-28 22:53:03 +0000259 select setgid setuid setsid setpgid setpgrp setvbuf \
260 sigaction siginterrupt sigrelse strftime symlink \
261 tcgetpgrp tcsetpgrp times truncate uname waitpid) \
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000262AC_REPLACE_FUNCS(dup2 getcwd strerror memmove)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000263AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
264AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
265AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
Guido van Rossum627b2d71993-12-24 10:39:16 +0000266
267# checks for structures
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000268AC_HEADER_TIME
Guido van Rossum627b2d71993-12-24 10:39:16 +0000269AC_STRUCT_TM
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000270AC_STRUCT_TIMEZONE
271
272AC_MSG_CHECKING(for time.h that defines altzone)
273AC_CACHE_VAL(ac_cv_header_time_altzone,
274[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
275 ac_cv_header_time_altzone=yes,
276 ac_cv_header_time_altzone=no)])
277AC_MSG_RESULT($ac_cv_header_time_altzone)
278if test $ac_cv_header_time_altzone = yes; then
279 AC_DEFINE(HAVE_ALTZONE)
280fi
281
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000282was_it_defined=no
283AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000284AC_TRY_COMPILE([
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000285#include <sys/types.h>
286#include <sys/select.h>
287#include <sys/time.h>
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000288], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
289AC_MSG_RESULT($was_it_defined)
Guido van Rossum627b2d71993-12-24 10:39:16 +0000290
291# checks for compiler characteristics
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000292
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000293AC_C_CHAR_UNSIGNED
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000294
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000295AC_C_CONST
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000296
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000297works=no
298AC_MSG_CHECKING(for working volatile)
299AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
300AC_MSG_RESULT($works)
Guido van Rossumdabb11b1994-10-11 15:04:27 +0000301
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000302works=no
303AC_MSG_CHECKING(for working signed char)
304AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
305AC_MSG_RESULT($works)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000306
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000307have_prototypes=no
308AC_MSG_CHECKING(for prototypes)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000309AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
310AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000311AC_MSG_RESULT($have_prototypes)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000312
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000313works=no
314AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000315AC_TRY_COMPILE([
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000316#include <stdarg.h>
317int foo(int x, ...) { return 0; }
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000318], [return foo(10, 11, 12);],
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000319AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
320AC_MSG_RESULT($works)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000321
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000322if test "$have_prototypes" = yes; then
323bad_prototypes=no
324AC_MSG_CHECKING(for bad exec* prototypes)
325AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
326 AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
327AC_MSG_RESULT($bad_prototypes)
Guido van Rossum627b2d71993-12-24 10:39:16 +0000328fi
329
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000330bad_forward=no
331AC_MSG_CHECKING(for bad static forward)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000332AC_TRY_RUN([
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000333struct s { int a; int b; };
334static struct s foo;
Guido van Rossum5dee5e71994-11-10 23:06:54 +0000335int foobar() {
336 static int random;
337 random = (int) &foo;
338 return random;
339}
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000340static struct s foo = { 1, 2 };
Guido van Rossum5dee5e71994-11-10 23:06:54 +0000341main() {
342 exit(!((int)&foo == foobar()));
343}
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000344], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
345AC_MSG_RESULT($bad_forward)
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000346
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000347va_list_is_array=no
348AC_MSG_CHECKING(whether va_list is an array)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000349AC_TRY_COMPILE([
350#ifdef HAVE_STDARG_PROTOTYPES
351#include <stdarg.h>
352#else
353#include <varargs.h>
354#endif
Guido van Rossum5739e7e1995-01-20 16:50:53 +0000355], [va_list list1, list2; list1 = list2;], ,
356AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
357AC_MSG_RESULT($va_list_is_array)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000358
Guido van Rossum627b2d71993-12-24 10:39:16 +0000359# checks for system services
360# (none yet)
361
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000362# Linux requires this for correct f.p. operations
363AC_CHECK_LIB(ieee, __fpu_control)
Guido van Rossum627b2d71993-12-24 10:39:16 +0000364
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000365# check for --with-libm=...
366AC_SUBST(LIBM)
367LIBM=-lm
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000368AC_ARG_WITH(libm, [--with-libm=STRING math library], [
369if test "$withval" != yes
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000370then LIBM=$withval
371else AC_ERROR(proper usage is --with-libm=STRING)
372fi])
373
374# check for --with-libc=...
375AC_SUBST(LIBC)
Guido van Rossum76be6ed1995-01-02 18:33:54 +0000376AC_ARG_WITH(libc, [--with-libc=STRING C library], [
377if test "$withval" != yes
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000378then LIBC=$withval
379else AC_ERROR(proper usage is --with-libc=STRING)
380fi])
381
Guido van Rossumaf5b83e1995-01-04 19:02:35 +0000382# check for hypot() in math library
383LIBS_SAVE=$LIBS
384LIBS="$LIBS $LIBM"
385AC_CHECK_FUNCS(hypot)
386LIBS=$LIBS_SAVE
387
Guido van Rossum7d473291995-01-20 14:12:16 +0000388# check for getopt
389AC_MSG_CHECKING(for genuine getopt)
390AC_CACHE_VAL(ac_cv_func_getopt,
391[AC_TRY_RUN([#include <stdio.h>
392extern int optind, opterr, getopt();
393extern char* optarg;
394int main() {
395 char* av[] = { "testprog", "parameter", "-fFlag", NULL };
396 opterr = 0;
397 if (getopt(3, av, "f:") == 'f') { exit(1); }
398 exit(0);
399}], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
400AC_MSG_RESULT($ac_cv_func_getopt)
401test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
402AC_SUBST(LIBOBJS)dnl
403
Guido van Rossum627b2d71993-12-24 10:39:16 +0000404# generate output files
Guido van Rossum433c8ad1994-08-01 12:07:07 +0000405AC_OUTPUT(Makefile Objects/Makefile Parser/Makefile Python/Makefile Modules/Makefile.pre)