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configure.in
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configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_INIT(ruby.h)
AC_PREREQ(2.50)
rb_version=`grep RUBY_VERSION $srcdir/version.h`
MAJOR=`expr "$rb_version" : '#define RUBY_VERSION "\([0-9][0-9]*\)\.[0-9][0-9]*\.[0-9][0-9]*"'`
MINOR=`expr "$rb_version" : '#define RUBY_VERSION "[0-9][0-9]*\.\([0-9][0-9]*\)\.[0-9][0-9]*"'`
TEENY=`expr "$rb_version" : '#define RUBY_VERSION "[0-9][0-9]*\.[0-9][0-9]*\.\([0-9][0-9]*\)"'`
AC_SUBST(MAJOR)
AC_SUBST(MINOR)
AC_SUBST(TEENY)
dnl checks for alternative programs
AC_ARG_WITH(gcc, [--without-gcc never use gcc], [
case $withval in
no) : ${CC=cc}
;;
yes) : ${CC=gcc}
;;
*) CC=$withval
;;
esac])
dnl 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 $cache_file
(it is also a good idea to do 'make clean' before compiling))
fi
AC_DEFUN(RUBY_CANONICAL_BUILD, [AC_REQUIRE([AC_CANONICAL_BUILD])])
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
RUBY_CANONICAL_BUILD
dnl checks for fat-binary
fat_binary=no
AC_ARG_ENABLE(fat-binary,
[--enable-fat-binary build a NeXT/Apple Multi Architecture Binary. ],
[fat_binary=$enableval])
if test "$fat_binary" = yes ; then
AC_MSG_CHECKING(target architecture)
case "$target_os" in
rhapsody*)
echo -n "MacOS X Server: "
if test "$TARGET_ARCHS" = "" ; then
TARGET_ARCHS="ppc i386"
fi
;;
nextstep*|openstep*)
echo -n "NeXTSTEP/OPENSTEP: "
if test "$TARGET_ARCHS" = "" ; then
if test `/usr/bin/arch` = "m68k" ; then
TARGET_ARCHS="m68k i486"
else # Black and Native one
TARGET_ARCHS="m68k `/usr/bin/arch`"
fi
fi
# to ensure AC_HEADER_SYS_WAIT works
AC_DEFINE(_POSIX_SOURCE)
;;
macos*|darwin*)
echo -n "MacOS X (Darwin): "
if test "$TARGET_ARCHS" = "" ; then
TARGET_ARCHS="ppc i386"
fi
;;
esac
# /usr/lib/arch_tool -archify_list $TARGET_ARCHS
for archs in $TARGET_ARCHS
do
ARCH_FLAG="$ARCH_FLAG -arch $archs "
echo -n " $archs"
done
AC_DEFINE(NEXT_FAT_BINARY)
echo "."
fi
case $target_cpu in
i?86) frame_address=yes;;
*) frame_address=no;;
esac
AC_ARG_ENABLE(frame-address,
[--enable-frame-address use GCC __builtin_frame_address(). ],
[frame_address=$enableval])
if test $frame_address = yes; then
AC_DEFINE(USE_BUILTIN_FRAME_ADDRESS)
fi
AC_ARG_PROGRAM
dnl Checks for programs.
if test x"${build}" != x"${host}"; then
AC_CHECK_TOOL(CC, gcc)
fi
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
AC_PROG_YACC
AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(AR, ar)
AC_CHECK_PROGS(AR, ar aal, ar)
case "$target_os" in
cygwin*|mingw*)
AC_CHECK_TOOL(NM, nm)
AC_CHECK_TOOL(DLLWRAP, dllwrap)
AC_CHECK_TOOL(AS, as)
AC_CHECK_TOOL(DLLTOOL, dlltool)
AC_CHECK_TOOL(WINDRES, windres)
target_cpu=`echo $target_cpu | sed s/i.86/i386/`
: ${enable_shared=yes}
;;
esac
AC_PROG_LN_S
AC_PROG_MAKE_SET
# checks for UNIX variants that set C preprocessor variables
AC_AIX
AC_MINIX
AC_EXEEXT
AC_OBJEXT
dnl check for large file stuff
AC_SYS_LARGEFILE
AC_CHECK_TYPES([long long, off_t])
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(short, 2)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(long long, 0)
AC_CHECK_SIZEOF(__int64, 0)
AC_CHECK_SIZEOF(off_t, 0)
AC_CHECK_SIZEOF(void*, 4)
AC_CHECK_SIZEOF(float, 4)
AC_CHECK_SIZEOF(double, 8)
AC_CACHE_CHECK(for prototypes, rb_cv_have_prototypes,
[AC_TRY_COMPILE([int foo(int x) { return 0; }], [return foo(10);],
rb_cv_have_prototypes=yes,
rb_cv_have_prototypes=no)])
if test "$rb_cv_have_prototypes" = yes; then
AC_DEFINE(HAVE_PROTOTYPES)
fi
AC_CACHE_CHECK(token paste string, rb_cv_tokenpaste,
[AC_TRY_COMPILE([#define paste(a,b) a##b],
[int xy = 1; return paste(x,y);],
rb_cv_tokenpaste=ansi,
rb_cv_tokenpaste=knr)])
if test "$rb_cv_tokenpaste" = ansi; then
AC_DEFINE(TOKEN_PASTE(x,y),[x##y])
else
AC_DEFINE(TOKEN_PASTE(x,y),[x/**/y])
fi
AC_CACHE_CHECK(for variable length prototypes and stdarg.h, rb_cv_stdarg,
[AC_TRY_COMPILE([
#include <stdarg.h>
int foo(int x, ...) {
va_list va;
va_start(va, x);
va_arg(va, int);
va_arg(va, char *);
va_arg(va, double);
return 0;
}
], [return foo(10, "", 3.14);],
rb_cv_stdarg=yes,
rb_cv_stdarg=no)])
if test "$rb_cv_stdarg" = yes; then
AC_DEFINE(HAVE_STDARG_PROTOTYPES)
fi
AC_CACHE_CHECK([for noreturn], rb_cv_noreturn,
[rb_cv_noreturn=no
for mac in "x __attribute__ ((noreturn))" "__declspec(noreturn) x" x; do
AC_TRY_COMPILE(
[#define NORETURN(x) $mac
NORETURN(void exit(int x));],
[],
[rb_cv_noreturn="$mac"; break])
done])
AC_DEFINE_UNQUOTED([NORETURN(x)], $rb_cv_noreturn)
dnl wheather link libc_r or not
AC_ARG_WITH(libc_r,
[--with-libc_r link libc_r if possible (FreeBSD only)], [
case $withval in
yes) with_libc_r=yes;;
*) with_libc_r=no;;
esac], [with_libc_r=no])
dnl Checks for libraries.
case "$target_os" in
nextstep*) ;;
openstep*) ;;
rhapsody*) ;;
darwin*) LIBS="-lobjc $LIBS";;
human*) ac_cv_func_getpgrp_void=yes;;
beos*) ;;
cygwin*) rb_cv_have_daylight=no
ac_cv_var_tzname=no;;
mingw*) LIBS="-lwsock32 -lmsvcrt $LIBS"
ac_cv_header_a_out_h=no
ac_cv_header_pwd_h=no
ac_cv_header_utime_h=no
ac_cv_header_sys_ioctl_h=no
ac_cv_header_sys_param_h=no
ac_cv_header_sys_resource_h=no
ac_cv_header_sys_select_h=no
ac_cv_header_sys_times_h=no
ac_cv_func_times=yes
ac_cv_func_waitpid=yes;;
os2_emx*) LIBS="-lm $LIBS"
ac_cv_lib_dir_opendir=no;;
msdosdjgpp*) LIBS="-lm $LIBS"
ac_cv_func_getpgrp_void=yes;;
freebsd*) LIBS="-lm $LIBS"
AC_CACHE_CHECK([whether -lxpg4 has to be linked],
rb_cv_lib_xpg4_needed,
[AC_TRY_CPP([
#include <osreldate.h>
#if __FreeBSD_version < 400020 || \
(__FreeBSD_version >= 500000 && __FreeBSD_version < 500005)
#error needs libxpg4
#endif
],
rb_cv_lib_xpg4_needed=no,
rb_cv_lib_xpg4_needed=yes,
rb_cv_lib_xpg4_needed=yes)])
if test "$rb_cv_lib_xpg4_needed" = yes; then
AC_CHECK_LIB(xpg4, setlocale)
fi
if test "$with_libc_r" = yes; then
AC_CACHE_CHECK([whether libc_r is supplementary to libc],
rb_cv_supplementary_lib_c_r,
[AC_TRY_CPP([
#include <osreldate.h>
#if 500016 <= __FreeBSD_version
#error libc_r is supplementary to libc
#endif
],
rb_cv_supplementary_lib_c_r=no,
rb_cv_supplementary_lib_c_r=yes,
rb_cv_supplementary_lib_c_r=yes)])
if test "$rb_cv_supplementary_lib_c_r" = yes; then
MAINLIBS="-lc_r $MAINLIBS"
else
MAINLIBS="-pthread $MAINLIBS"
CFLAGS="-D_THREAD_SAFE $CFLAGS"
fi
fi
;;
linux*) LIBS="-lm $LIBS"
case "$target_cpu" in
alpha*)
CFLAGS="-mieee $CFLAGS" ;;
esac ;;
osf*) LIBS="-lm $LIBS"
case "$target_cpu"::"$GCC" in
alpha*::yes)
CFLAGS="-mieee $CFLAGS" ;;
alpha*::no|alpha*::)
CFLAGS="-ieee $CFLAGS" ;;
esac ;;
*) LIBS="-lm $LIBS";;
esac
AC_CHECK_LIB(crypt, crypt)
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(stdlib.h string.h unistd.h limits.h sys/file.h sys/ioctl.h\
fcntl.h sys/fcntl.h sys/select.h sys/time.h sys/times.h sys/param.h\
syscall.h pwd.h a.out.h utime.h memory.h direct.h sys/resource.h \
sys/mkdev.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_BLKSIZE
save_LIBOJBS="$LIBOBJS"
AC_STRUCT_ST_BLOCKS
LIBOBJS="$save_LIBOBJS"
AC_STRUCT_ST_RDEV
dnl Checks for library functions.
AC_TYPE_GETGROUPS
AC_TYPE_SIGNAL
AC_FUNC_ALLOCA
AC_FUNC_MEMCMP
AC_FUNC_FSEEKO
AC_CHECK_FUNCS(ftello)
AC_REPLACE_FUNCS(dup2 memmove mkdir strcasecmp strncasecmp strerror strftime\
strchr strstr strtoul crypt flock vsnprintf\
isinf isnan finite hypot)
AC_CHECK_FUNCS(fmod killpg drand48 random wait4 waitpid syscall chroot fsync\
truncate chsize times utimes fcntl lockf lstat symlink readlink\
setitimer setruid seteuid setreuid setresuid setproctitle\
setrgid setegid setregid setresgid pause lchown lchmod\
getpgrp setpgrp getpgid setpgid getgroups getpriority getrlimit\
dlopen sigprocmask sigaction _setjmp setsid telldir seekdir fchmod\
mktime timegm)
AC_STRUCT_TIMEZONE
AC_CACHE_CHECK(for struct tm.tm_gmtoff, rb_cv_member_struct_tm_tm_gmtoff,
[AC_TRY_COMPILE([#include <time.h>],
[struct tm t; t.tm_gmtoff = 3600;],
[rb_cv_member_struct_tm_tm_gmtoff=yes],
[rb_cv_member_struct_tm_tm_gmtoff=no])])
if test "$rb_cv_member_struct_tm_tm_gmtoff" = yes; then
AC_DEFINE(HAVE_STRUCT_TM_TM_GMTOFF)
fi
AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight,
[AC_TRY_LINK([#include <time.h>
int i;],
[i = daylight;],
rb_cv_have_daylight=yes,
rb_cv_have_daylight=no)])
if test "$rb_cv_have_daylight" = yes; then
AC_DEFINE(HAVE_DAYLIGHT)
fi
AC_CACHE_CHECK(for negative time_t for gmtime(3), rb_cv_negative_time_t,
[AC_TRY_RUN([
#include <time.h>
void
check(tm, y, m, d, h, s)
struct tm *tm;
int y, m, d, h, s;
{
if (!tm ||
tm->tm_year != y ||
tm->tm_mon != m-1 ||
tm->tm_mday != d ||
tm->tm_hour != h ||
tm->tm_sec != s) {
exit(1);
}
}
int
main()
{
time_t t = -1;
struct tm *tm;
check(gmtime(&t), 69, 12, 31, 23, 59);
t = ~(time_t)0 << 31;
check(gmtime(&t), 1, 12, 13, 20, 52);
return 0;
}
],
rb_cv_negative_time_t=yes,
rb_cv_negative_time_t=no,
rb_cv_negative_time_t=yes)])
if test "$rb_cv_negative_time_t" = yes; then
AC_DEFINE(NEGATIVE_TIME_T)
fi
if test "$ac_cv_func_sigprocmask" = yes && test "$ac_cv_func_sigaction" = yes; then
AC_DEFINE(POSIX_SIGNAL)
else
AC_CACHE_CHECK(for BSD signal semantics, rb_cv_bsd_signal,
[AC_TRY_RUN([
#include <stdio.h>
#include <signal.h>
void
sig_handler(dummy)
int dummy;
{
}
int
main()
{
signal(SIGINT, sig_handler);
kill(getpid(), SIGINT);
kill(getpid(), SIGINT);
return 0;
}
],
rb_cv_bsd_signal=yes,
rb_cv_bsd_signal=no,
rb_cv_bsd_signal=no)])
if test "$rb_cv_bsd_signal" = yes; then
AC_DEFINE(BSD_SIGNAL)
fi
fi
AC_FUNC_GETPGRP
AC_FUNC_SETPGRP
AC_CACHE_CHECK(for working strtod, rb_cv_func_strtod,
[AC_TRY_RUN([
double strtod ();
int
main()
{
{
/* Some versions of Linux strtod mis-parse strings with leading '+'. */
char *string = " +69";
char *term;
double value;
value = strtod(string, &term);
if (value != 69 || term != (string + 4))
exit(1);
}
{
/* Under Solaris 2.4, strtod returns the wrong value for the
terminating character under some conditions. */
char *string = "NaN";
char *term;
strtod(string, &term);
if (term != string && *(term - 1) == 0)
exit(1);
}
exit(0);
}
], rb_cv_func_strtod=yes, rb_cv_func_strtod=no, rb_cv_func_strtod=no)])
test $rb_cv_func_strtod = no && LIBOBJS="$LIBOBJS strtod.o"
AC_C_BIGENDIAN
AC_C_CONST
AC_C_CHAR_UNSIGNED
AC_C_INLINE
AC_CACHE_CHECK(whether right shift preserve sign bit, rb_cv_rshift_sign,
[AC_TRY_RUN([
int
main()
{
if (-1==(-1>>1))
return 0;
return 1;
}
],
rb_cv_rshift_sign=yes,
rb_cv_rshift_sign=no,
rb_cv_rshift_sign=yes)])
if test "$rb_cv_rshift_sign" = yes; then
AC_DEFINE(RSHIFT(x,y), ((x)>>(int)y))
else
AC_DEFINE(RSHIFT(x,y), (((x)<0) ? ~((~(x))>>y) : (x)>>y))
fi
AC_MSG_CHECKING(count field in FILE structures)
AC_CACHE_VAL(rb_cv_fcnt,
[AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_cnt = 0;], rb_cv_fcnt="_cnt", )
if test "$rb_cv_fcnt" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->__cnt = 0;], rb_cv_fcnt="__cnt", )
fi
if test "$rb_cv_fcnt" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_r = 0;], rb_cv_fcnt="_r", )
fi
if test "$rb_cv_fcnt" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->readCount = 0;],
rb_cv_fcnt="readCount", )
fi
dnl for emx0.9c
if test "$rb_cv_fcnt" = ""; then
AC_TRY_COMPILE([#include <stdio.h>],
[FILE *f = stdin; f->_rcount = 0;],
rb_cv_fcnt="_rcount", rb_cv_fcnt="not found")
fi])
if test "$rb_cv_fcnt" = "not found"; then
AC_MSG_RESULT([not found(OK if using GNU libc)])
else
AC_MSG_RESULT($rb_cv_fcnt)
AC_DEFINE_UNQUOTED(FILE_COUNT, $rb_cv_fcnt)
fi
dnl default value for $KANJI
DEFAULT_KCODE="KCODE_NONE"
AC_ARG_WITH(default-kcode,
[--with-default-kcode=CODE specify default value for \$KCODE (utf8|euc|sjis|none)],
[case $withval in
utf8) DEFAULT_KCODE="KCODE_UTF8";;
euc) DEFAULT_KCODE="KCODE_EUC";;
sjis) DEFAULT_KCODE="KCODE_SJIS";;
none) DEFAULT_KCODE="KCODE_NONE";;
*) AC_MSG_WARN($withval is not valid kcode; ignored);;
esac])
AC_DEFINE_UNQUOTED(DEFAULT_KCODE, $DEFAULT_KCODE)
dnl wheather use dln_a_out or not
AC_ARG_WITH(dln-a-out,
[--with-dln-a-out use dln_a_out if possible], [
case $withval in
yes) with_dln_a_out=yes;;
*) with_dln_a_out=no;;
esac], [with_dln_a_out=no])
AC_SUBST(XLDFLAGS)dnl
AC_CACHE_CHECK(whether ELF binaries are produced, rb_cv_binary_elf,
[AC_TRY_RUN([
/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
main() {
char buffer[4];
int i=open("conftest",O_RDONLY);
if(i==-1)
exit(1); /* fail */
if(read(i,&buffer[0],4)<4)
exit(1); /* fail */
if(buffer[0] != 127 || buffer[1] != 'E' ||
buffer[2] != 'L' || buffer[3] != 'F')
exit(1); /* fail */
exit(0); /* succeed (yes, it's ELF) */
}
],
rb_cv_binary_elf=yes,
rb_cv_binary_elf=no,
rb_cv_binary_elf=yes)])
if test "$rb_cv_binary_elf" = yes; then
AC_DEFINE(USE_ELF)
fi
case "$target_os" in
linux*)
if test "$rb_cv_binary_elf" = no; then
with_dln_a_out=yes
target_os=${target_os}-a_out
else
LDFLAGS="-rdynamic"
fi;;
netbsd*)
if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
then
netbsd_elf=yes
else
netbsd_elf=no
fi
;;
esac
AC_SUBST(DLDFLAGS)dnl
AC_SUBST(STATIC)dnl
AC_SUBST(CCDLFLAGS)dnl
AC_SUBST(LDSHARED)dnl
AC_SUBST(DLEXT)dnl
AC_SUBST(DLEXT2)dnl
STATIC=
if test "$with_dln_a_out" != yes; then
rb_cv_dlopen=unknown
AC_MSG_CHECKING(whether OS depend dynamic link works)
if test "$GCC" = yes; then
case "$target_os" in
nextstep*) ;;
openstep*) ;;
rhapsody*) ;;
darwin*) CCDLFLAGS=-fno-common;;
human*) ;;
bsdi*) ;;
beos*) ;;
cygwin*) ;;
mingw*) ;;
netbsd*) CCDLFLAGS=-fPIC;;
*) CCDLFLAGS=-fPIC;;
esac
else
case "$target_os" in
hpux*) CCDLFLAGS='+z';;
solaris*|irix*) CCDLFLAGS='-KPIC' ;;
sunos*) CCDLFLAGS='-PIC' ;;
esix*|uxpds*) CCDLFLAGS='-KPIC' ;;
*) CCDLFLAGS='' ;;
esac
fi
case "$target_os" in
hpux*) DLDFLAGS="-E"
LDSHARED='ld -b'
LDFLAGS="-Wl,-E"
rb_cv_dlopen=yes;;
solaris*) if test "$GCC" = yes; then
LDSHARED='$(CC) -Wl,-G'
if `$CC --print-prog-name=ld` -v 2>&1 | grep "GNU ld" > /dev/null; then
LDFLAGS="-Wl,-E"
LDSHARED="$LDSHARED -shared"
fi
else
LDSHARED='ld -G'
fi
rb_cv_dlopen=yes;;
sunos*) LDSHARED='ld -assert nodefinitions'
rb_cv_dlopen=yes;;
irix*) LDSHARED='ld -shared'
rb_cv_dlopen=yes;;
sysv4*) LDSHARED='ld -G'
rb_cv_dlopen=yes;;
nto-qnx*) LDSHARED="qcc -shared"
rb_cv_dlopen=yes ;;
esix*|uxpds*) LDSHARED="ld -G"
rb_cv_dlopen=yes ;;
osf*) LDSHARED="$CC -shared"
rb_cv_dlopen=yes ;;
linux*) LDSHARED="$CC -shared"
rb_cv_dlopen=yes ;;
gnu*) LDSHARED="$CC -shared"
rb_cv_dlopen=yes
LDFLAGS="-rdynamic" ;;
freebsd*) LDSHARED="$CC -shared"
if test "$rb_cv_binary_elf" = yes; then
LDFLAGS="-rdynamic"
DLDFLAGS='-Wl,-soname,$(.TARGET)'
else
test "$GCC" = yes && `$CC --print-prog-name=ld` -v 2>&1 | grep "GNU ld" > /dev/null || LDSHARED="ld -Bshareable"
fi
rb_cv_dlopen=yes ;;
netbsd*) LDSHARED='${CC} -shared'
if test "$rb_cv_binary_elf" = yes; then
LDFLAGS="-Wl,-export-dynamic"
fi
rb_cv_dlopen=yes ;;
openbsd*) LDSHARED="ld -Bforcearchive -Bshareable"
rb_cv_dlopen=yes ;;
bsdi3*) case "$CC" in
*shlicc*) LDSHARED="$CC -r"
rb_cv_dlopen=yes ;;
esac ;;
bsdi*) LDSHARED="ld -shared"
LDFLAGS='-rdynamic -Wl,-rpath,$(prefix)/lib/ruby/$(MAJOR).$(MINOR)/i386-bsdi4.0'
rb_cv_dlopen=yes ;;
nextstep*) LDSHARED='cc -r -nostdlib'
LDFLAGS="-u libsys_s"
DLDFLAGS="$ARCH_FLAG"
rb_cv_dlopen=yes ;;
openstep*) LDSHARED='cc -dynamic -bundle -undefined suppress'
LDFLAGS=""
DLDFLAGS="$ARCH_FLAG"
rb_cv_dlopen=yes ;;
rhapsody*) LDSHARED='cc -dynamic -bundle -undefined suppress'
LDFLAGS=""
DLDFLAGS="$ARCH_FLAG"
rb_cv_dlopen=yes ;;
darwin*) LDSHARED='cc -dynamic -bundle -undefined suppress -flat_namespace'
LDFLAGS=""
DLDFLAGS="$ARCH_FLAG"
rb_cv_dlopen=yes ;;
aix*) LDSHARED='/usr/ccs/bin/ld'
XLDFLAGS='-Wl,-bE:ruby.imp'
DLDFLAGS='-brtl -eInit_$(TARGET) -bI:$(topdir)/ruby.imp -bM:SRE -T512 -H512 -lc'
LDFLAGS="-brtl"
rb_cv_dlopen=yes ;;
human*) DLDFLAGS=''
LDSHARED=''
LDFLAGS=''
rb_cv_dlopen=yes ;;
beos*) case "$target_cpu" in
powerpc*)
LDSHARED="ld -xms"
DLDFLAGS='-export Init_$(TARGET) -lbe -lroot glue-noinit.a init_term_dyn.o start_dyn.o'
;;
i586*)
LDSHARED="ld -shared"
DLDFLAGS="-L/boot/develop/lib/x86 -lbe -lroot"
;;
esac
rb_cv_dlopen=yes ;;
nto-qnx*) DLDFLAGS="-L/lib -L/usr/lib -L/usr/local/lib"
LDSHARED='ld -Bshareable -x'
LDFLAGS="-L/lib -L/usr/lib -L/usr/local/lib"
rb_cv_dlopen=yes;;
cygwin*|mingw*) : ${LDSHARED="${DLLWRAP} --target=${target_os} --as=${AS} --dlltool-name=${DLLTOOL} --driver-name=${CC} --export-all -s"}
rb_cv_dlopen=yes ;;
*) LDSHARED='ld' ;;
esac
AC_MSG_RESULT($rb_cv_dlopen)
fi
dln_a_out_works=no
if test "$ac_cv_header_a_out_h" = yes; then
if test "$with_dln_a_out" = yes || test "$rb_cv_dlopen" = unknown; then
cat confdefs.h > config.h
AC_CACHE_CHECK(whether matz's dln works, rb_cv_dln_a_out,
[AC_TRY_COMPILE([
#define USE_DLN_A_OUT
#include "dln.c"
],
[],
rb_cv_dln_a_out=yes,
rb_cv_dln_a_out=no)])
if test "$rb_cv_dln_a_out" = yes; then
dln_a_out_works=yes
AC_DEFINE(USE_DLN_A_OUT)
fi
fi
fi
if test "$dln_a_out_works" = yes; then
if test "$GCC" = yes; then
STATIC=-static
else
STATIC=-Bstatic
fi
DLEXT=so
AC_DEFINE(DLEXT, ".so")
CCDLFLAGS=
else
case "$target_os" in
hpux*) DLEXT=sl
AC_DEFINE(DLEXT, ".sl");;
nextstep*) DLEXT=bundle
AC_DEFINE(DLEXT, ".bundle");;
openstep*) DLEXT=bundle
AC_DEFINE(DLEXT, ".bundle");;
rhapsody*) DLEXT=bundle
AC_DEFINE(DLEXT, ".bundle");;
darwin*) DLEXT=bundle
AC_DEFINE(DLEXT, ".bundle");;
os2_emx*) DLEXT=dll
AC_DEFINE(DLEXT, ".dll");;
cygwin*|mingw*) DLEXT=so
AC_DEFINE(DLEXT, ".so")
DLEXT2=dll
AC_DEFINE(DLEXT2, ".dll");;
*) DLEXT=so
AC_DEFINE(DLEXT, ".so");;
esac
fi
AC_SUBST(STRIP)dnl
if test "$with_dln_a_out" = yes; then
STRIP=true
else
STRIP=strip
fi
case "$target_os" in
linux*)
STRIP='strip -S -x';;
gnu*)
STRIP='strip -S -x';;
nextstep*)
STRIP='strip -A -n';;
openstep*)
STRIP='strip -A -n';;
rhapsody*)
STRIP='strip -A -n';;
darwin*)
STRIP='strip -A -n';;
esac
EXTSTATIC=
AC_SUBST(EXTSTATIC)dnl
AC_ARG_WITH(static-linked-ext,
[--with-static-linked-ext link external modules statically],
[case $withval in
yes) STATIC=
EXTSTATIC=static;;
*) ;;
esac])
case "$target_os" in
human*)
AC_CHECK_LIB(signal, _harderr)
AC_CHECK_LIB(hmem, hmemset)
AC_CHECK_FUNCS(select gettimeofday)
AC_CACHE_CHECK(whether PD libc _dtos18 fail to convert big number,
rb_cv_missing__dtos18,
[AC_TRY_RUN(
changequote(<<, >>)dnl
<<
#include <stdio.h>
main ()
{
char buf[256];
sprintf (buf, "%g", 1e+300);
exit (strcmp (buf, "1e+300") ? 0 : 1);
}
>>,
changequote([, ])dnl
rb_cv_missing__dtos18=yes, rb_cv_missing__dtos18=no, rb_cv_missing__dtos18=no)])
if test "$rb_cv_missing__dtos18" = yes; then
AC_DEFINE(MISSING__DTOS18)
fi
AC_CACHE_CHECK(whether PD libc fconvert fail to round,
rb_cv_missing_fconvert,
[AC_TRY_RUN(
changequote(<<, >>)dnl
<<
#include <stdio.h>
#include <math.h>
main ()
{
char buf[256];
sprintf (buf, "%f", log(exp(1.0)));
exit (strcmp (buf, "1.000000") ? 0 : 1);
}
>>,
changequote([, ])dnl
rb_cv_missing_fconvert=yes, rb_cv_missing_fconvert=no, rb_cv_missing_fconvert=no)])
if test "$rb_cv_missing_fconvert" = yes; then
AC_DEFINE(MISSING_FCONVERT)
fi
LIBOBJS="$LIBOBJS x68.o"
CFLAGS="$CFLAGS -fansi-only -cc1-stack=262144 -cpp-stack=2694144"
EXEEXT=.x
OBJEXT=o
setup=Setup.x68
;;
dnl OS/2 environment w/ Autoconf 2.1x for EMX
os2_emx)
LIBOBJS="$LIBOBJS os2.$OBJEXT"
setup=Setup.emx
;;
*djgpp*)
setup=Setup.dj
;;
*)
setup=Setup
;;
esac
AC_SUBST(setup)
if test "$prefix" = NONE; then
prefix=$ac_default_prefix
fi
if test "$fat_binary" = yes ; then
CFLAGS="$CFLAGS $ARCH_FLAG"
fi
if test x"$cross_compiling" = xyes; then
MINIRUBY="ruby -I`pwd` -rfake"
PREP=fake.rb
else
MINIRUBY='./miniruby$(EXEEXT)'
PREP=''
fi
AC_SUBST(MINIRUBY)
AC_SUBST(PREP)
FIRSTMAKEFILE=""
LIBRUBY_A='lib$(RUBY_INSTALL_NAME).a'
LIBRUBY='$(LIBRUBY_A)'
LIBRUBYARG='$(LIBRUBY_A)'
SOLIBS=
case "$target_os" in
cygwin*|mingw*|beos*|openstep*|nextstep*|rhapsody*|darwin*|os2_emx*)
DLDLIBS=""
;;
*)
DLDLIBS="-lc"
;;
esac
LIBRUBY_LDSHARED=$LDSHARED
LIBRUBY_DLDFLAGS=$DLDFLAGS
LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR).$(TEENY)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so'
ENABLE_SHARED=no
AC_ARG_ENABLE(shared,
[--enable-shared build a shared library for Ruby. ],
[enable_shared=$enableval])
if test "$enable_shared" = 'yes'; then
LIBRUBY='$(LIBRUBY_SO)'
LIBRUBYARG='-L. -l$(RUBY_INSTALL_NAME)'
CFLAGS="$CFLAGS $CCDLFLAGS"
ENABLE_SHARED=yes
if test "$rb_cv_binary_elf" = yes; then
SOLIBS='$(LIBS)'
fi
case "$target_os" in
sunos4*)
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_INSTALL_NAME).so'
;;
linux*)
LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_INSTALL_NAME).so'
;;
gnu*)
LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_INSTALL_NAME).so'
;;
freebsd*)
SOLIBS='$(LIBS)'
LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR)$(MINOR)'
if test "$rb_cv_binary_elf" != "yes" ; then
LIBRUBY_SO="$LIBRUBY_SO.\$(TEENY)"
LIBRUBY_ALIASES=''
fi
;;
netbsd*)
SOLIBS='$(LIBS)'
LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).so.$(MAJOR)$(MINOR).$(TEENY)'
LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_INSTALL_NAME).so.$(MAJOR)$(MINOR)'
LIBRUBYARG='-Wl,-R -Wl,${prefix}/lib -L${prefix}/lib -L. -l$(RUBY_INSTALL_NAME)'
if test "$rb_cv_binary_elf" = yes; then # ELF platforms
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_INSTALL_NAME).so'
else # a.out platforms
LIBRUBY_ALIASES=""
fi
;;
openbsd*)
SOLIBS='$(LIBS)'
;;
solaris*)
XLDFLAGS='-R${prefix}/lib'
;;
hpux*)
XLDFLAGS='-Wl,+s,+b,$(prefix)/lib'
LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).sl.$(MAJOR).$(MINOR).$(TEENY)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).sl.$(MAJOR).$(MINOR) lib$(RUBY_INSTALL_NAME).sl'
;;
aix*)
if test "$GCC" = yes; then
LIBRUBY_LDSHARED='$(CC) -shared'
LIBRUBY_DLDFLAGS='-Wl,-bE:ruby.imp'
else
LIBRUBY_LDSHARED='/usr/ccs/bin/ld'
LIBRUBY_DLDFLAGS='-bE:ruby.imp -bM:SRE -bnoentry'
fi
LIBRUBYARG='-L${prefix}/lib -Wl,lib$(RUBY_INSTALL_NAME).so'
SOLIBS='-lm -lc'
;;
beos*)
case "$target_cpu" in
powerpc*)
LIBRUBY_DLDFLAGS='-f ruby.exp -lnet -lbe -lroot glue-noinit.a init_term_dyn.o start_dyn.o'
;;
esac
;;
darwin*)
LIBRUBY_SO='lib$(RUBY_INSTALL_NAME).$(MAJOR).$(MINOR).$(TEENY).dylib'
LIBRUBY_LDSHARED='cc -dynamiclib -undefined suppress -flat_namespace'
LIBRUBY_DLDFLAGS='-install_name lib$(RUBY_INSTALL_NAME).dylib -current_version $(MAJOR).$(MINOR).$(TEENY) -compatibility_version $(MAJOR).$(MINOR)'
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).$(MAJOR).$(MINOR).dylib lib$(RUBY_INSTALL_NAME).dylib'
;;
*)
;;
esac
fi
case "$target_os" in
netbsd*)
CFLAGS="$CFLAGS -pipe"
;;
nextstep*)
CFLAGS="$CFLAGS -pipe"
;;
openstep*)
CFLAGS="$CFLAGS -pipe"
;;
rhapsody*)
CFLAGS="$CFLAGS -pipe -no-precomp"
;;
darwin*)
CFLAGS="$CFLAGS -pipe -no-precomp"
;;
os2_emx)
CFLAGS="$CFLAGS -DOS2"
;;
osf*)
if test "$GCC" != "yes" ; then
# compile something small: taint.c is fine for this.
# the main point is the '-v' flag of 'cc'.
case "`cc -v -I. -c main.c -o /tmp/main.o 2>&1`" in
*/gemc_cc*) # we have the new DEC GEM CC
CFLAGS="$CFLAGS -oldc"
;;
*) # we have the old MIPS CC
;;
esac
# cleanup
rm -f /tmp/main.o
CFLAGS="$CFLAGS -std"
fi
;;
beos*)
case "$target_cpu" in
powerpc*)
CFLAGS="$CFLAGS -relax_pointers"