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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)
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 $withval in
no) CC=cc
without_gcc=yes;;
yes) CC=gcc
without_gcc=no;;
*) CC=$withval
without_gcc=$withval;;
esac], [without_gcc=no])
dnl If the user switches compilers, we can't believe the cache
if test ! -z "$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)
;;
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
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(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"::"$without_gcc" in
alpha*::no)
CFLAGS="-mieee $CFLAGS" ;;
alpha*::yes)
CFLAGS="-ieee $CFLAGS" ;;
esac ;;
*) LIBS="-lm $LIBS";;
esac
AC_CHECK_LIB(crypt, crypt)
AC_CHECK_LIB(dl, dlopen) # Dynamic linking for SunOS/Solaris and SYSV
AC_CHECK_LIB(dld, shl_load) # Dynamic linking for HP-UX
dnl Checks for header files.
AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(stdlib.h string.h unistd.h limits.h sys/file.h sys/ioctl.h\
fcntl.h sys/fcntl.h sys/select.h sys/time.h sys/times.h sys/param.h\
syscall.h pwd.h a.out.h utime.h memory.h direct.h sys/resource.h)
dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_BLKSIZE
save_LIBOJBS="$LIBOBJS"
AC_STRUCT_ST_BLOCKS
LIBOBJS="$save_LIBOBJS"
AC_STRUCT_ST_RDEV
dnl Checks for library functions.
AC_TYPE_GETGROUPS
AC_TYPE_SIGNAL
AC_FUNC_ALLOCA
AC_FUNC_VFORK
AC_FUNC_MEMCMP
AC_REPLACE_FUNCS(dup2 memmove mkdir strcasecmp strncasecmp strerror strftime\
strchr strstr strtoul crypt flock vsnprintf\
isinf isnan finite hypot)
AC_CHECK_FUNCS(fmod killpg drand48 random wait4 waitpid syscall getcwd chroot\
truncate chsize times utimes fcntl lockf lstat symlink readlink\
setitimer setruid seteuid setreuid setresuid \
setrgid setegid setregid setresgid pause lchown lchmod\
getpgrp setpgrp getpgid setpgid getgroups getpriority getrlimit\
dlopen sigprocmask sigaction _setjmp setsid telldir seekdir fchmod)
AC_STRUCT_TIMEZONE
AC_CACHE_CHECK(for external int daylight, rb_cv_have_daylight,
[AC_TRY_LINK([#include <time.h>
int i;],
[i = daylight;],
rb_cv_have_daylight=yes,
rb_cv_have_daylight=no)])
if test "$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 = -0x80000000;
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 "$target_os" in
nextstep*) ;;
openstep*) ;;
rhapsody*) ;;
darwin*) CCDLFLAGS=-fno-common;;
human*) ;;
bsdi*) ;;
beos*) ;;
cygwin*) ;;
mingw*) ;;
netbsd*) CCDLFLAGS=-fpic
case "$target_cpu" in
mips*) CCDLFLAGS=-fPIC ;;
sparc) CCDLFLAGS=-fPIC ;;
*) ;;
esac ;;
*) 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'
`$CC --print-prog-name=ld` -v 2>&1 | grep "GNU ld" > /dev/null && LDFLAGS="-Wl,-E"
else
LDSHARED='ld -G'
fi
rb_cv_dlopen=yes;;
sunos*) LDSHARED='ld -assert nodefinitions'
rb_cv_dlopen=yes;;
irix*) LDSHARED='ld -shared'
rb_cv_dlopen=yes;;
sysv4*) LDSHARED='ld -G'
rb_cv_dlopen=yes;;
nto-qnx*) LDSHARED="qcc -shared"
rb_cv_dlopen=yes ;;
esix*|uxpds*) LDSHARED="ld -G"
rb_cv_dlopen=yes ;;
osf*) LDSHARED="$CC -shared"
rb_cv_dlopen=yes ;;
linux*) LDSHARED="$CC -shared"
rb_cv_dlopen=yes ;;
freebsd*) LDSHARED="$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="ld -shared"
if test "$rb_cv_binary_elf" = yes; then
LDFLAGS="-export-dynamic"
fi
rb_cv_dlopen=yes ;;
openbsd*) LDSHARED="ld -Bforcearchive -Bshareable"
rb_cv_dlopen=yes ;;
bsdi3*) case "$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="$ARCH_FLAG"
rb_cv_dlopen=yes ;;
darwin*) LDSHARED='cc -dynamic -bundle -undefined suppress'
LDFLAGS=""
DLDFLAGS="$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 ;;
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';;
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(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$(RUBY_INSTALL_NAME).so'
;;
freebsd*)
SOLIBS='$(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).$(MINOR)'
if test "$rb_cv_binary_elf" = yes; then # ELF platforms
LIBRUBY_ALIASES='lib$(RUBY_INSTALL_NAME).so.$(MAJOR) lib$(RUBY_INSTALL_NAME).so'
else
LIBRUBY_ALIASES= # a.out platforms
fi
;;
openbsd*)
SOLIBS='$(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).$(TEENY).dylib'
LIBRUBY_LDSHARED='cc -dynamiclib -undefined suppress'
LIBRUBY_DLDFLAGS='-install_name lib$(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 "$target_os" in
nextstep*)
CFLAGS="$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 "$without_gcc" = "yes" ; then
# compile something small: taint.c is fine for this.
# the main point is the '-v' flag of 'cc'.
case "`cc -v -I. -c main.c -o /tmp/main.o 2>&1`" in
*/gemc_cc*) # we have the new DEC GEM CC
CFLAGS="$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="$CFLAGS -relax_pointers"
;;
esac
;;
cygwin*|mingw*)
RUBY_SO_NAME=$target_os-'$(RUBY_INSTALL_NAME)'${MAJOR}${MINOR}
if test x"$enable_shared" = xyes; then
LIBRUBY_SO='$(RUBY_SO_NAME)'.dll
LIBRUBY_DLDFLAGS='--dllname=$@ --output-lib=$(LIBRUBY) --add-stdcall-alias --def=$(RUBYDEF)'
else
LIBRUBY_SO=dummy
LIBRUBY_DLDFLAGS='--output-exp=$(RUBY_INSTALL_NAME).exp --dllname=$(RUBY_INSTALL_NAME)$(EXEEXT) --output-lib=$(LIBRUBY) --add-stdcall-alias --def=$(RUBYDEF)'
fi
LIBRUBY_ALIASES=''
LIBRUBY_A='lib$(RUBY_INSTALL_NAME)s.a'
LIBRUBY='lib$(RUBY_SO_NAME).a'
LIBRUBYARG='-L. -l$(RUBY_SO_NAME)'
FIRSTMAKEFILE=GNUmakefile:cygwin/GNUmakefile.in
SOLIBS='$(LIBS)'
case "$target_os" in
cygwin*)
LIBOBJS="$LIBOBJS strftime.o"
CCDLFLAGS=-DUSEIMPORTLIB ;;
mingw*)
LIBOBJS="$LIBOBJS win32.o"
CFLAGS="-DNT -D__MSVCRT__ $CFLAGS"
CCDLFLAGS=-DIMPORT ;;
esac
;;
*)
;;
esac
AC_SUBST(LIBRUBY_LDSHARED)
AC_SUBST(LIBRUBY_DLDFLAGS)
AC_SUBST(RUBY_INSTALL_NAME)
AC_SUBST(RUBY_SO_NAME)