cpython/configure.in

536 lines
15 KiB
Plaintext

dnl Process this file with autoconf 2.0 or later to make a configure script.
AC_REVISION($Revision$)
AC_PREREQ(2.0)
AC_INIT(Include/object.h)
AC_CONFIG_HEADER(config.h)
# NEXTSTEP stuff
if test -f /usr/lib/NextStep/software_version; then
AC_MSG_CHECKING(for --with-next-archs)
AC_ARG_WITH(next-archs,
[--with-next-archs='arch1 arch2 ..' build MAB binary], [
if test -n "$withval"; then
ac_arch_flags=`/usr/lib/arch_tool -archify_list $withval`
# GCC does not currently support multi archs on the NeXT
with_gcc=no
fi
AC_MSG_RESULT($with_next_archs)
], [AC_MSG_RESULT(none: using `arch`)])
if test -z "$MACHDEP"
then
set X `hostinfo | grep 'NeXT Mach.*:' | \
sed -e 's/://' -e 's/\./_/'` && \
ac_sys_system=next && ac_sys_release=$4
MACHDEP="$ac_sys_system$ac_sys_release"
fi
fi
# Set name for machine-dependent library files
AC_SUBST(MACHDEP)
AC_MSG_CHECKING(MACHDEP)
if test -z "$MACHDEP"
then
ac_sys_system=`uname -s`
if test "$ac_sys_system" = "AIX" ; then
ac_sys_release=`uname -v`
else
ac_sys_release=`uname -r`
fi
ac_md_system=`echo $ac_sys_system |
tr -d '[/ ]' | tr '[[A-Z]]' '[[a-z]]'`
ac_md_release=`echo $ac_sys_release |
tr -d '[/ ]' | sed 's/\..*//'`
MACHDEP="$ac_md_system$ac_md_release"
case MACHDEP in
'') MACHDEP=unknown;;
esac
fi
AC_MSG_RESULT($MACHDEP)
# checks for alternative programs
AC_MSG_CHECKING(for --without-gcc)
AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
case $withval in
no) CC=cc
without_gcc=yes;;
yes) CC=gcc
without_gcc=no;;
*) CC=$withval
without_gcc=$withval;;
esac], [
case $ac_sys_system in
OSF1) CC=cc
without_gcc=;;
*) without_gcc=no;;
esac])
AC_MSG_RESULT($without_gcc)
# If the user switches compilers, we can't believe the cache
if test ! -z "$ac_cv_prog_CC" -a ! -z "$CC" -a "$CC" != "$ac_cv_prog_CC"
then
AC_ERROR(cached CC is different -- throw away $cache_file
(it is also a good idea to do 'make clean' before compiling))
fi
AC_PROG_CC
AC_PROG_RANLIB
AC_SUBST(AR)
AC_CHECK_PROGS(AR, ar aal, ar)
AC_SUBST(INSTALL)
AC_SUBST(INSTALL_PROGRAM)
AC_SUBST(INSTALL_DATA)
# Install just never works :-(
if test -z "$INSTALL"
then
INSTALL=cp
INSTALL_PROGRAM=cp
INSTALL_DATA=cp
else
INSTALL_PROGRAM="$INSTALL"
INSTALL_DATA="$INSTALL -m 644"
fi
# Optimizer/debugger flags passed between Makefiles
AC_SUBST(OPT)
if test -z "$OPT"
then
case $ac_sys_system in
*) OPT="-O";;
esac
fi
if test "$ac_arch_flags"
then
OPT="$OPT $ac_arch_flags"
fi
# checks for UNIX variants that set C preprocessor variables
AC_AIX
AC_MINIX
# check for ANSI or K&R ("traditional") preprocessor
AC_MSG_CHECKING(for C preprocessor type)
AC_TRY_COMPILE([
#define spam(name, doc) {#name, &name, #name "() -- " doc}
int foo;
struct {char *name; int *addr; char *doc;} desc = spam(foo, "something");
], [;], cpp_type=ansi, AC_DEFINE(HAVE_OLD_CPP) cpp_type=traditional)
AC_MSG_RESULT($cpp_type)
# checks for header files
AC_HEADER_STDC
AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h ncurses.h \
signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h \
sys/audioio.h sys/file.h sys/lock.h \
sys/param.h sys/select.h sys/time.h sys/times.h \
sys/un.h sys/utsname.h sys/wait.h)
AC_HEADER_DIRENT
# checks for typedefs
was_it_defined=no
AC_MSG_CHECKING(for clock_t in time.h)
AC_EGREP_HEADER(clock_t, time.h, was_it_defined=yes, AC_DEFINE(clock_t, long))
AC_MSG_RESULT($was_it_defined)
# Add some code to confdefs.h so that the test for off_t works on SCO
cat >> confdefs.h <<\EOF
#if defined(SCO_DS)
#undef _OFF_T
#endif
EOF
AC_TYPE_MODE_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_UID_T
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
# Set info about shared libraries.
AC_SUBST(SO)
AC_SUBST(LDSHARED)
AC_SUBST(CCSHARED)
AC_SUBST(LINKFORSHARED)
# SO is the extension of shared libraries `(including the dot!)
# -- usually .so, .sl on HP-UX
AC_MSG_CHECKING(SO)
if test -z "$SO"
then
case $ac_sys_system in
hp*|HP*) SO=.sl;;
*) SO=.so;;
esac
fi
AC_MSG_RESULT($SO)
# LDSHARED is the ld *command* used to create shared library
# -- "ld" on SunOS 4.x.x, "ld -G" on SunOS 5.x, "ld -shared" on IRIX 5
AC_MSG_CHECKING(LDSHARED)
if test -z "$LDSHARED"
then
case $ac_sys_system/$ac_sys_release in
AIX*) LDSHARED="ld_so_aix \$(CC)";;
IRIX*) LDSHARED="ld -shared";;
SunOS/4*) LDSHARED="ld";;
SunOS/5*) LDSHARED="ld -G";;
hp*|HP*) LDSHARED="ld -b";;
OSF*) LDSHARED="ld -shared -expect_unresolved \"*\"";;
DYNIX/ptx*) LDSHARED="ld -G";;
next/*) LDSHARED='$(CC) $(CFLAGS) -nostdlib -r';;
Linux*) LDSHARED="gcc -shared";;
FreeBSD*) LDSHARED="ld -Bshareable";;
SCO_SV*) LDSHARED="cc -G -KPIC -Ki486 -belf -Wl,-Bexport";;
*) LDSHARED="ld";;
esac
fi
AC_MSG_RESULT($LDSHARED)
# CCSHARED are the C *flags* used to create objects to go into a shared
# library -- this is only needed for a few systems
AC_MSG_CHECKING(CCSHARED)
if test -z "$CCSHARED"
then
case $ac_sys_system in
hp*|HP*) if test "$GCC" = yes;
then CCSHARED="-fpic";
else CCSHARED="+z";
fi;;
Linux*) CCSHARED="-fpic";;
FreeBSD*) CCSHARED="-fpic";;
SCO_SV*) CCSHARED="-KPIC -dy -Bdynamic";;
esac
fi
AC_MSG_RESULT($CCSHARED)
# LINKFORSHARED are the flags passed to the $(CC) command that links
# the python executable -- this is only needed for a few systems
AC_MSG_CHECKING(LINKFORSHARED)
if test -z "$LINKFORSHARED"
then
case $ac_sys_system in
AIX*) LINKFORSHARED="-Wl,-bE:python.exp -lld";;
hp*|HP*)
LINKFORSHARED="-Wl,-E -Wl,+s -Wl,+b\$(BINLIBDEST)/sharedmodules";;
Linux*) LINKFORSHARED="-rdynamic";;
next) LINKFORSHARED="-u libsys_s";;
SCO_SV*) LINKFORSHARED="-Bdynamic -dy -Wl,-Bexport";;
esac
fi
AC_MSG_RESULT($LINKFORSHARED)
# checks for libraries
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
AC_CHECK_LIB(sun, getpwnam) # NIS (== YP) interface for IRIX 4
# The following three (nsl,inet,socket) are needed on Sequent;
# the order of checking must be this. Most SVR4 platforms will
# need -lsocket and -lnsl. However on SGI IRIX 5, these exist but
# broken. I see no elegant solution (probably CHECK_LIB should be
# fixed to only add the library if the given entry point is not
# satisfied without it).
if test "$ac_sys_system" != IRIX
then
AC_CHECK_LIB(nsl, t_open, [LIBS="-lnsl $LIBS"]) # SVR4
AC_CHECK_LIB(inet, gethostbyname, [LIBS="-linet $LIBS"], [], -lnsl) # Sequent
AC_CHECK_LIB(socket, socket, [LIBS="-lsocket $LIBS"], [], $LIBS) # SVR4 sockets
fi
AC_MSG_CHECKING(for --with-libs)
AC_ARG_WITH(libs, [--with-libs='lib1 ...' link against additional libs], [
AC_MSG_RESULT($withval)
LIBS="$withval $LIBS"
], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with(out)-readline)
use_readline="yes"
AC_ARG_WITH(readline,
[--with-readline=DIRECTORY search GNU readline library in DIRECTORY
--without-readline do not use GNU readline library],
[AC_MSG_RESULT($withval); use_readline="$withval"],
[AC_MSG_RESULT((default) yes)])
if test "$use_readline" != "no"
then
if test "$use_readline" != "yes"
then add_ldflags="-L$use_readline"
else add_ldflags=""
fi
# See where the termcap interface could be hiding...
AC_MSG_CHECKING(for readline and termcap libraries)
AC_CACHE_VAL(ac_cv_readline_termcap,
[
AC_MSG_RESULT(have to find out)
save_libs="$LIBS"
save_ldflags="$LDFLAGS"
LDFLAGS="$save_ldflags $add_ldflags"
rl="-lreadline"
first=""
# Hack for SGI IRIX 5.x.
# Both termcap and gl have an entry point clear().
# When linking with both shared libraries, we're in trouble.
# We don't need the one in termcap.
# By forcing a static link for termcap, we avoid
# linking its clear() entry point.
if test -f /usr/lib/libgl.so -a -f /usr/lib/libtermcap.a
then first="/usr/lib/libtermcap.a"
fi
for add_lib in \
"$first" "-ltermcap" "-ltermlib" "-lcurses" "-lncurses"
do
AC_MSG_CHECKING(for $rl $add_lib)
LIBS="$save_libs $rl $add_lib"
AC_TRY_LINK([extern char *readline();],
[char *line=readline();],
[AC_MSG_RESULT(yes);
ac_cv_readline_termcap="$rl $add_lib"],
[AC_MSG_RESULT(no)])
if test "$ac_cv_readline_termcap" != ""
then break
fi
done
LIBS="$save_libs"
LDFLAGS="$save_ldflags"
AC_MSG_CHECKING(result from check for readline and termcap)
])
if test "$ac_cv_readline_termcap" = ""
then
AC_MSG_RESULT(no)
AC_MSG_WARN(cannot link with GNU readline -- see config.log)
else
AC_MSG_RESULT($ac_cv_readline_termcap)
LIBS="$LIBS $ac_cv_readline_termcap"
LDFLAGS="$LDFLAGS $add_ldflags"
AC_DEFINE(WITH_READLINE)
fi
fi
AC_MSG_CHECKING(for --with-thread)
# Let --with-threads be an alias for --with-thread
if test "${with_thread+set}" != set; then
if test "${with_threads+set}" = set; then
with_thread="$with_threads";
fi
fi
AC_ARG_WITH(thread, [--with-thread[=DIRECTORY] make interpreter thread-safe], [
AC_MSG_RESULT($withval)
if test -d "$withval"
then LDFLAGS="$LDFLAGS -L$withval"
fi
AC_DEFINE(_REENTRANT)
AC_CHECK_HEADER(mach/cthreads.h, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(C_THREADS)
LIBOBJS="$LIBOBJS thread.o"],[
AC_CHECK_LIB(pthreads, pthread_create, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(_POSIX_THREADS)
LIBS="$LIBS -lpthreads"
LIBOBJS="$LIBOBJS thread.o"], [
AC_CHECK_LIB(pthread, pthread_create, [AC_DEFINE(WITH_THREAD)
AC_DEFINE(_POSIX_THREADS)
LIBS="$LIBS -lpthread"
LIBOBJS="$LIBOBJS thread.o"])
])])
AC_CHECK_LIB(mpc, usconfig, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lmpc"
LIBOBJS="$LIBOBJS thread.o"])
AC_CHECK_LIB(thread, thr_create, [AC_DEFINE(WITH_THREAD)
LIBS="$LIBS -lthread"
LIBOBJS="$LIBOBJS thread.o"])
], AC_MSG_RESULT(no))
# -I${DLINCLDIR} is added to the compile rule for importdl.o
AC_SUBST(DLINCLDIR)
DLINCLDIR=/
AC_MSG_CHECKING(for --with-sgi-dl)
AC_ARG_WITH(sgi-dl, [--with-sgi-dl=DIRECTORY IRIX 4 dynamic linking], [
AC_MSG_RESULT($withval)
AC_DEFINE(WITH_SGI_DL)
dldir=$withval
if test -d "$dldir"
then LDFLAGS="$LDFLAGS -L$dldir"
else AC_ERROR(proper usage is --with-sgi-dl=DIRECTORY)
fi
DLINCLDIR=${dldir}
LIBS="$LIBS -ldl -lmld"], AC_MSG_RESULT(no))
AC_MSG_CHECKING(for --with-dl-dld)
AC_ARG_WITH(dl-dld, [--with-dl-dld=DL_DIR,DLD_DIR GNU dynamic linking], [
AC_MSG_RESULT($withval)
AC_DEFINE(WITH_DL_DLD)
dldir=`echo "$withval" | sed 's/,.*//'`
dlddir=`echo "$withval" | sed 's/.*,//'`
if test -d "$dldir" -a -d "$dlddir"
then LDFLAGS="$LDFLAGS -L$dldir -L$dlddir"
else AC_ERROR(proper usage is --with-dl-dld=DL_DIRECTORY,DLD_DIRECTORY)
fi
DLINCLDIR=${dldir}
LIBS="$LIBS -ldl -ldld"], AC_MSG_RESULT(no))
# checks for library functions
AC_CHECK_FUNCS(chown clock dlopen flock ftime ftruncate \
gethostname_r getpeername getpgrp getpid gettimeofday getwd \
link lstat mkfifo nice plock putenv readlink \
select setgid setuid setsid setpgid setpgrp setvbuf \
sigaction siginterrupt sigrelse strftime symlink \
tcgetpgrp tcsetpgrp times truncate uname waitpid)
AC_REPLACE_FUNCS(dup2 getcwd strdup strerror memmove)
AC_CHECK_FUNC(getpgrp, AC_TRY_COMPILE([#include <unistd.h>], [getpgrp(0);], AC_DEFINE(GETPGRP_HAVE_ARG)))
AC_CHECK_FUNC(setpgrp, AC_TRY_COMPILE([#include <unistd.h>], [setpgrp(0,0);], AC_DEFINE(SETPGRP_HAVE_ARG)))
AC_CHECK_FUNC(gettimeofday, AC_TRY_COMPILE([#include <sys/time.h>], [gettimeofday((struct timeval*)0,(struct timezone*)0);], ,AC_DEFINE(GETTIMEOFDAY_NO_TZ)))
# checks for structures
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
AC_MSG_CHECKING(for time.h that defines altzone)
AC_CACHE_VAL(ac_cv_header_time_altzone,
[AC_TRY_COMPILE([#include <time.h>], [return altzone;],
ac_cv_header_time_altzone=yes,
ac_cv_header_time_altzone=no)])
AC_MSG_RESULT($ac_cv_header_time_altzone)
if test $ac_cv_header_time_altzone = yes; then
AC_DEFINE(HAVE_ALTZONE)
fi
was_it_defined=no
AC_MSG_CHECKING(whether sys/select.h and sys/time.h may both be included)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/select.h>
#include <sys/time.h>
], [;], [AC_DEFINE(SYS_SELECT_WITH_SYS_TIME) was_it_defined=yes])
AC_MSG_RESULT($was_it_defined)
# checks for compiler characteristics
AC_C_CHAR_UNSIGNED
AC_C_CONST
works=no
AC_MSG_CHECKING(for working volatile)
AC_TRY_COMPILE([],[volatile int x; x = 0;], works=yes, AC_DEFINE(volatile, []))
AC_MSG_RESULT($works)
works=no
AC_MSG_CHECKING(for working signed char)
AC_TRY_COMPILE([], [signed char c;], works=yes, AC_DEFINE(signed, []))
AC_MSG_RESULT($works)
have_prototypes=no
AC_MSG_CHECKING(for prototypes)
AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
AC_DEFINE(HAVE_PROTOTYPES) have_prototypes=yes)
AC_MSG_RESULT($have_prototypes)
works=no
AC_MSG_CHECKING(for variable length prototypes and stdarg.h)
AC_TRY_COMPILE([
#include <stdarg.h>
int foo(int x, ...) {
va_list va;
va_start(va, x);
va_arg(va, int);
va_arg(va, char *);
va_arg(va, double);
return 0;
}
], [return foo(10, "", 3.14);],
AC_DEFINE(HAVE_STDARG_PROTOTYPES) works=yes)
AC_MSG_RESULT($works)
if test "$have_prototypes" = yes; then
bad_prototypes=no
AC_MSG_CHECKING(for bad exec* prototypes)
AC_TRY_COMPILE([#include <unistd.h>], [char **t;execve("@",t,t);], ,
AC_DEFINE(BAD_EXEC_PROTOTYPES) bad_prototypes=yes)
AC_MSG_RESULT($bad_prototypes)
fi
bad_forward=no
AC_MSG_CHECKING(for bad static forward)
AC_TRY_RUN([
struct s { int a; int b; };
static struct s foo;
int foobar() {
static int random;
random = (int) &foo;
return random;
}
static struct s foo = { 1, 2 };
main() {
exit(!((int)&foo == foobar()));
}
], , AC_DEFINE(BAD_STATIC_FORWARD) bad_forward=yes)
AC_MSG_RESULT($bad_forward)
va_list_is_array=no
AC_MSG_CHECKING(whether va_list is an array)
AC_TRY_COMPILE([
#ifdef HAVE_STDARG_PROTOTYPES
#include <stdarg.h>
#else
#include <varargs.h>
#endif
], [va_list list1, list2; list1 = list2;], ,
AC_DEFINE(VA_LIST_IS_ARRAY) va_list_is_array=yes)
AC_MSG_RESULT($va_list_is_array)
# checks for system services
# (none yet)
# Linux requires this for correct f.p. operations
AC_CHECK_LIB(ieee, __fpu_control)
# check for --with-libm=...
AC_SUBST(LIBM)
case $ac_sys_system in
next) ;;
*) LIBM=-lm
esac
AC_ARG_WITH(libm, [--with-libm=STRING math library], [
if test "$withval" != yes
then LIBM=$withval
else AC_ERROR(proper usage is --with-libm=STRING)
fi])
# check for --with-libc=...
AC_SUBST(LIBC)
AC_ARG_WITH(libc, [--with-libc=STRING C library], [
if test "$withval" != yes
then LIBC=$withval
else AC_ERROR(proper usage is --with-libc=STRING)
fi])
# check for hypot() in math library
LIBS_SAVE=$LIBS
LIBS="$LIBS $LIBM"
AC_CHECK_FUNCS(hypot)
AC_REPLACE_FUNCS(hypot)
LIBS=$LIBS_SAVE
# check for getopt
AC_MSG_CHECKING(for genuine getopt)
AC_CACHE_VAL(ac_cv_func_getopt,
[AC_TRY_RUN([#include <stdio.h>
extern int optind, opterr, getopt();
extern char* optarg;
int main() {
char* av[] = { "testprog", "parameter", "-fFlag", NULL };
opterr = 0;
if (getopt(3, av, "f:") == 'f') { exit(1); }
exit(0);
}], ac_cv_func_getopt=yes, ac_cv_func_getopt=no, ac_cv_func_getopt=no)])dnl
AC_MSG_RESULT($ac_cv_func_getopt)
test $ac_cv_func_getopt = no && LIBOBJS="$LIBOBJS getopt.o"
AC_SUBST(LIBOBJS)dnl
# generate output files
AC_OUTPUT(Makefile \
Objects/Makefile \
Parser/Makefile \
Python/Makefile \
Modules/Makefile.pre)