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configure.ac
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configure.ac
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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ([2.71])
AC_INIT([Gauche],[0.9.15-p1],[shiro@acm.org],[],[https://practical-scheme.net/gauche/])
BUILD_GOSH_VERSION=0.9.15 # Host Gauche version required to build from scratch
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
AC_CONFIG_HEADERS([src/gauche/config.h src/gauche/priv/configP.h])
AC_CONFIG_MACRO_DIRS([m4])
# ABI_VERSION is set to major.minor of Gauche version by default.
# It can be overridden by uncommenting the following line.
# (This may be useful for "prerelease", such as 0.99.x as pre-1.0)
GAUCHE_ABI_VERSION=0.98
AC_CHECK_TOOL(RC, windres, false)
LT_INIT
dnl Some files needs to be pre-generated before running configure
if test ! -f $srcdir/src/genconfig.in; then
echo "ERROR: src/genconfig.in should be pre-generated. Run ./DIST gen."
exit 1
fi
dnl ==========================================================
dnl Process args given to configure
dnl
dnl ----------------------------------------------------------
dnl Determine thread subsystem
dnl
AC_MSG_CHECKING([thread type])
dnl Platform-dependent thread configuration. This must be in sync
dnl with gc's configure.ac.
GAUCHE_THREAD_TYPE=
AS_CASE(["$host"],
[*-*-linux*], [
AC_DEFINE(GC_LINUX_THREADS,1,[Define to use Linux threads])
AC_DEFINE(_REENTRANT,1,[Define to use reentrant libc])
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-hpux*], [
AC_MSG_WARN("Only HP/UX 11 threads are supported.")
AC_DEFINE(GC_HPUX_THREADS,1,[Define to use HP-UX threads])
AC_DEFINE(_POSIX_C_SOURCE,199506L,[Define POSIX C version])
THREADLIBS="-lpthread -lrt"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-*freebsd*|*-*-dragonfly*], [
AC_MSG_WARN("FreeBSD does not yet fully support threads with Boehm GC.")
AC_DEFINE(GC_FREEBSD_THREADS,1,[Define to use FreeBSD threads])
INCLUDES="$INCLUDES -pthread"
THREADLIBS="-pthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-kfreebsd*-gnu], [
AC_DEFINE(GC_FREEBSD_THREADS,1,[Define to use FreeBSD threads])
INCLUDES="$INCLUDES -pthread"
THREADDLLIBS=-pthread
AC_DEFINE(_REENTRANT,1,[Define to use reentrant libc])
],
[*-*-gnu*], [
AC_DEFINE(GC_GNU_THREADS,1,[Define to use GNU threads])
AC_DEFINE(_REENTRANT,1,[Define to use reentrant libc])
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-netbsd*], [
AC_MSG_WARN("Only on NetBSD 2.0 or later.")
AC_DEFINE(GC_NETBSD_THREADS,1,[Define to use NetBSD threads])
AC_DEFINE(_REENTRANT, [], [Define to use reentrant libc])
AC_DEFINE(_PTHREADS, [], [Define if thread support requires this symbol])
THREADLIBS="-lpthread"
THREADDLLIBS="-lpthread -lrt"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-openbsd*], [
AC_MSG_WARN([Gauche with pthread on OpenBSD has unresolved issues. We recommend you to build without threads (--disable-threads) unless you're trying to fix the issues. See https://github.com/shirok/Gauche/issues/276 and https://github.com/shirok/Gauche/issues/334 .])
AC_DEFINE(GC_OPENBSD_THREADS,1,[Define to use OpenBSD threads])
THREADLIBS="-lpthread"
THREADDLLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-solaris*], [
AC_DEFINE(GC_SOLARIS_THREADS,1,[Define to use Solaris threads])
AC_DEFINE(GC_SOLARIS_PTHREADS,1,[Define to use Solaris pthreads])
AC_DEFINE(_POSIX_PTHREAD_SEMANTICS,1,[Define to use Solaris pthreads])
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-irix*], [
AC_DEFINE(GC_IRIX_THREADS,1,[Define to use IRIX threads])
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-cygwin*], [
AC_DEFINE(GC_WIN32_THREADS,1,[Define to use Win32 threads])
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-darwin*], [
AC_DEFINE(GC_DARWIN_THREADS,1,[Define to use Darwin threads])
AC_DEFINE(GC_PTHREADS,1,[Define to use pthreads])
INCLUDES="$INCLUDES -I/sw/include"
THREADLIBS="-lpthread"
GAUCHE_THREAD_TYPE=pthreads
],
[*-*-mingw*], [
GAUCHE_THREAD_TYPE=win32
],
[
AC_MSG_ERROR([Can't determine thread subsystem type on $host])
])
AS_CASE([$GAUCHE_THREAD_TYPE],
[pthreads], [ AC_DEFINE(GAUCHE_USE_PTHREADS,1,[Define if we use pthreads]) ],
[win32], [ AC_DEFINE(GAUCHE_USE_WTHREADS,1,[Define if we use windows threads]) ],
[])
LIBS="$LIBS $THREADLIBS"
dnl Save thread model to be inherited by gc/ subdir.
AC_SUBST(GAUCHE_THREAD_TYPE)
AC_MSG_RESULT([$GAUCHE_THREAD_TYPE])
dnl ----------------------------------------------------------
dnl with-slib
dnl
SLIB_DIR=/usr/local/slib
AC_ARG_WITH(slib,
AS_HELP_STRING([--with-slib=PATH],
[Configure Gauche's slib module to use Aubrey Jaffer's SLIB
installed under PATH. If PATH is not specified, or this option is omitted,
Gauche still tries to find your slib installation from some typical places.]),
[
AS_CASE([$with_slib],
[no], [search_slib=no],
[yes], [search_slib=yes],
[search_slib=no; SLIB_DIR=$with_slib])
], [ search_slib=yes ])
AS_IF([test $search_slib = "yes"], [
AC_MSG_CHECKING(slib)
slib_found=no
for dir in /usr/share/slib /usr/local/slib /usr/local/lib/slib /usr/local/share/slib /usr/src/slib /opt/share/slib; do
AS_IF([test -f $dir/require.scm], [
SLIB_DIR=$dir
AC_MSG_RESULT($SLIB_DIR)
slib_found=yes
break
])
done
AS_IF([test $slib_found = "no"], [
AC_MSG_RESULT([not found, using fallback $SLIB_DIR])
])
])
AC_SUBST(SLIB_DIR)
AC_DEFINE_UNQUOTED(SLIB_DIR, "$SLIB_DIR", [Slib installation path])
dnl ----------------------------------------------------------
dnl with-api-version=N
dnl
AC_ARG_WITH(api-version,
AS_HELP_STRING([--with-api-version=N],
[Compile Gauche with the given API version N, where N is
a positive integer calculated as API_MAJOR_VERSION * 1000 + API_MINOR_VERSION.
This is for developers to test their code with the specified API version.
Available API versions may differ for each release; consult release notes
for the details.]),
[ AS_IF([echo "$with_api_version" | grep -E '^[[0-9]]+$' > /dev/null ],
[AC_MSG_RESULT([Overriding API version with $with_api_version])],
[AC_MSG_ERROR([The argument of --with-api-version must be a positive integer, but got "$with_api_version"])])
AC_DEFINE(GAUCHE_API_VERSION, $with_api_version, [Overriding API VERSION])
])
dnl ----------------------------------------------------------
dnl with-local=PATH:...
dnl
AC_ARG_WITH(local,
AS_HELP_STRING([--with-local=PATH:PATH...],
[For each PATH, add PATH/include to the include search
paths and PATH/lib to the library search paths. Useful if you have some
libraries installed in non-standard places. On MinGW/MSYS, use ';' as a
separator instead of ':'.]),
[
AS_CASE([$with_local],
[yes|no|""], [], dnl no effect
[IFS_save=$IFS
AS_CASE([$host],
[*mingw*], [IFS=";"],
[IFS=":"])
sep0=""
sep1=""
for p in $with_local; do
LOCAL_INC="${LOCAL_INC}${sep0}-I$p/include"
LOCAL_LIB="${LOCAL_LIB}${sep0}-L$p/lib"
LOCAL_INCDIRS="${LOCAL_INCDIRS}${sep1}$p/include"
LOCAL_LIBDIRS="${LOCAL_LIBDIRS}${sep1}$p/lib"
sep0=" "
sep1="$IFS"
done
IFS=$IFS_save ])
])
AC_SUBST(LOCAL_INC)
AC_SUBST(LOCAL_LIB)
AC_SUBST(LOCAL_INCDIRS)
AC_SUBST(LOCAL_LIBDIRS)
dnl need to add here, for it may be used by the tests below.
INCLUDES="$INCLUDES $LOCAL_INC"
CPPFLAGS="$CPPFLAGS $LOCAL_INC"
LDFLAGS="$LDFLAGS $LOCAL_LIB"
dnl ----------------------------------------------------------
dnl with-rpath=PATH:...
dnl
try_rpath=yes
rpath=
AC_ARG_WITH(rpath,
AS_HELP_STRING([--with-rpath=PATH:PATH...],
[Use -rpath option while building dynamically loadable objects (experimental).]),
[
AS_CASE([$with_rpath],
[yes], [],
[no], [try_rpath=no],
[rpath=`echo $with_rpath | sed -e 's/^/-Wl,-rpath=/ ; s/:/,-rpath=/g'`])
])
dnl ----------------------------------------------------------
dnl with-libatomic-ops[=yes|no|check|none]
dnl
dnl The check is fairly complicated, so we let gc/configure work on it.
dnl There are four cases regarding libatomic-ops usage:
dnl 1. No libatomic_ops is used (no threads)
dnl 2. Internal - gc/libatomic_ops/* will have compiled library.
dnl 3. External - we need to link with system's libatomic_ops library.
dnl 4. Intrinsic - use compiler intrinsic support.
dnl Among these cases, only 3 needs a special care, where we have to know
dnl the compiler and library flags. It is set in ATOMIC_OPS_CFLAGS and
dnl ATOMIC_OPS_LIBS inside gc/Makefile, and we extract them at compile time.
dnl
dnl Caveat: There's a case that the compiler supports intrinsic atomic ops
dnl yet not having C11 stdatomic.h (gcc 4.8).
dnl The following test is to catch it. See src/gauche/priv/atomicP.h for
dnl how we handle it.
AC_CHECK_HEADERS(stdatomic.h)
dnl ----------------------------------------------------------
dnl enable-shared-commands
dnl
AC_ARG_ENABLE(shared-commands,
AS_HELP_STRING([--enable-shared-commands],
[Install commands with SRFI-defined common names such as compile-r7rs. Note that other Scheme implementations may also install commands with the same name. This option overwrites them if there's any.]),
[
AS_CASE([$enableval],
[no], [],
[install_common_commands=yes])
], [])
dnl ----------------------------------------------------------
dnl enable-framework
dnl
ac_gauche_framework=no
AC_ARG_ENABLE(framework,
AS_HELP_STRING([--enable-framework],
[On MacOSX, build Gauche as a framework. This flag has no effect on other platforms.]),
[
AS_CASE([$enableval],
[no], [],
[ac_gauche_framework=yes])
], [])
dnl ----------------------------------------------------------
dnl with-gperftools
dnl
AC_ARG_WITH(gperftools,
AS_HELP_STRING([--with-gperftools],
[Link with gperftools profiler. When linked, and run with CPUPROFILE=FILE environment variable, sampling profiler is run and the result is dumped to FILE. This is to profile Gauche system itself, not the programs written in Scheme (the latter is supported with gosh's -ptime runtime option). It is not recommended to build production release with this option.]),
[
AS_CASE([$with_gperftools],
[no], [],
[AC_CHECK_HEADERS(gperftools/profiler.h)
AC_CHECK_LIB(profiler, ProfilerStart)
AS_IF([test "x$ac_cv_header_gperftools_profiler_h" != xyes
-o "x$ac_cv_lib_profiler_ProfilerStart" != xyes],
[AC_MSG_ERROR([The --with-gperftools option requires gperftools, but it doesn't appear to be installed on this system.])])
])
], [])
dnl ----------------------------------------------------------
dnl enable-unsafe-jit-api
dnl
dnl This is a temporary option to experiment JIT implemtnation strategies.
dnl Once we get a stable JIT mechanism, we'll remove this option.
ac_gauche_enable_unsafe_jit_api=no
AC_ARG_ENABLE(unsafe-jit-api,
[],
[
AC_DEFINE(GAUCHE_ENABLE_UNSAFE_JIT_API, 1, [Define 1 if unsafe JIT API is enabled])
], [])
dnl ===========================================================
dnl Set up version-related macros
GAUCHE_VERSION=$PACKAGE_VERSION
AC_SUBST(GAUCHE_VERSION)
AC_DEFINE_UNQUOTED(GAUCHE_VERSION, "$GAUCHE_VERSION", [Gauche version string])
GAUCHE_VERSION_TRUNC=`echo $GAUCHE_VERSION | sed 's/@<:@-_@:>@.*//'`
OLD_IFS=$IFS; IFS="."; set $GAUCHE_VERSION_TRUNC; IFS=$OLD_IFS
GAUCHE_MAJOR_VERSION=$1
GAUCHE_MINOR_VERSION=$2
GAUCHE_MICRO_VERSION=$3
if test -z "$GAUCHE_MICRO_VERSION"; then GAUCHE_MICRO_VERSION=0; fi
AC_SUBST(GAUCHE_MAJOR_VERSION)
AC_SUBST(GAUCHE_MINOR_VERSION)
AC_SUBST(GAUCHE_MICRO_VERSION)
AC_DEFINE_UNQUOTED(GAUCHE_MAJOR_VERSION, $GAUCHE_MAJOR_VERSION,[Gauche major version number])
AC_DEFINE_UNQUOTED(GAUCHE_MINOR_VERSION, $GAUCHE_MINOR_VERSION,[Gauche minor version number])
AC_DEFINE_UNQUOTED(GAUCHE_MICRO_VERSION, $GAUCHE_MICRO_VERSION,[Gauche patch level number])
AC_SUBST(BUILD_GOSH_VERSION)
if test -z "$GAUCHE_ABI_VERSION"; then
GAUCHE_ABI_VERSION="$GAUCHE_MAJOR_VERSION.$GAUCHE_MINOR_VERSION"
fi
AC_SUBST(GAUCHE_ABI_VERSION)
AC_DEFINE_UNQUOTED(GAUCHE_ABI_VERSION, "$GAUCHE_ABI_VERSION", [Gauche ABI version string])
GAUCHE_SIGNATURE="$GAUCHE_ABI_VERSION,utf8,$GAUCHE_THREAD_TYPE"
AC_DEFINE_UNQUOTED(GAUCHE_SIGNATURE, "$GAUCHE_SIGNATURE", [Gauche signature string])
LIBGAUCHE=libgauche-$GAUCHE_ABI_VERSION
AC_SUBST(LIBGAUCHE)
LIBGAUCHE_STATIC=libgauche-static-$GAUCHE_ABI_VERSION
AC_SUBST(LIBGAUCHE_STATIC)
LINKGAUCHE=gauche-$GAUCHE_ABI_VERSION
AC_SUBST(LINKGAUCHE)
dnl put the args to the configure in gauche-config script for later use.
dnl the use of ac_configure_args depends on autoconf 2.52.
GAUCHE_CONFIGURE_ARGS=`echo "$ac_configure_args" | sed 's/@<:@\\"\`\$@:>@/\\\\&/g'`
AC_SUBST(GAUCHE_CONFIGURE_ARGS)
dnl ==========================================================
dnl Checks for programs.
dnl Kludge for Solaris. We need this setup before start checking with
dnl the compiler. NB: These flags do not coexist with -std=gnu99 flag.
dnl Be careful when we start using C99 features.
case $host in
*-pc-solaris2.*)
CFLAGS="$CFLAGS -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED=1 -D__EXTENSIONS__" ;;
esac
AC_PROG_CC
AC_PROG_CPP
AC_C_CONST
AC_PROG_MAKE_SET
AC_PROG_INSTALL
AC_PROG_LN_S
AC_CHECK_PROGS(INSTALL_INFO, install-info)
AC_CHECK_TOOLS(AR, ar gar)
AC_CHECK_PROGS(MAKEINFO, makeinfo)
AC_CHECK_PROGS(GZIP_PROGRAM, gzip)
if test -z "$MAKEINFO" -o -z "$GZIP_PROGRAM"; then
build_doc="No (requires makeinfo and gzip to build documents)"
else
build_doc=Yes
fi
dnl for cross build
AC_CHECK_PROGS(BUILD_CC, ${build}-gcc ${build_alias}-gcc gcc cc)
dnl for build from repo, we need preinstalled gosh
dnl NB: The third arg is the value when we don't detect preinstalled gosh.
dnl In such case, building from repo fails anyway; shall we use alternative
dnl name or something to tell the builder that she needs preinstalled gosh?
AC_ARG_VAR(BUILD_GOSH, [gosh command used during build])
if test -z ${BUILD_GOSH+z}; then
AC_PATH_PROG(BUILD_GOSH, gosh, gosh)
fi
dnl Safe default CFLAGS (usually -g -O2 if you're using gcc, empty otherwise).
dnl If the user overrides CFLAGS during configure, which is recorded.
dnl This information is used when configuring extensions.
CFLAGS="$CFLAGS -Wall -Wextra -Wno-unused-label"
DEFAULT_CFLAGS="$CFLAGS"
AC_SUBST(DEFAULT_CFLAGS)
dnl ===========================================================
dnl Checks for header files.
dnl We check sys/types.h merely to include it in the following tests,
dnl for some tests needs it.
AC_CHECK_HEADERS_ONCE([sys/time.h])
AC_CHECK_HEADERS(time.h sys/time.h sys/types.h glob.h dlfcn.h getopt.h sched.h)
AC_CHECK_HEADERS(unistd.h rpc/types.h malloc.h)
AC_CHECK_HEADERS(syslog.h crypt.h)
AC_CHECK_HEADERS(pty.h util.h bsd/libutil.h libutil.h sys/loadavg.h sys/resource.h)
AC_CHECK_HEADERS(sys/statvfs.h)
AC_CHECK_HEADERS(sys/mman.h)
dnl C11 stdalign availability
AC_CHECK_HEADERS(stdalign.h)
dnl glibc specific
AC_CHECK_HEADERS(fpu_control.h)
dnl Linux specific
AC_CHECK_HEADERS(sys/inotify.h)
dnl BSD specific
AC_CHECK_HEADERS(sys/event.h)
dnl Solaris specific
AC_CHECK_HEADERS(sunmath.h)
dnl OSX specific. If this header exists, we assume that extern char **environ
dnl isn't available and we should use _NSGetEnviron().
AC_CHECK_HEADERS(crt_externs.h)
dnl OSX specific. To call proc_pidpath(). Note that this is not officially
dnl supported by Apple.
AC_CHECK_HEADERS(libproc.h)
dnl ===========================================================
dnl Checks processor type, for processor-specific stuff
AS_CASE([$host],
[i?86-apple-darwin*], [
AC_CHECK_DEFINE([i386],[AC_DEFINE(SCM_TARGET_I386,1,Define to use i386 optimizations)])],
[i?86-*], [
AC_DEFINE(SCM_TARGET_I386,1,[Define to use i386 optimizations])],
[x86_64-*], [
AC_DEFINE(SCM_TARGET_X86_64,1,[Define to use x86_64 optimizations])],
[alpha*], [
CFLAGS="$CFLAGS -mieee"],
[arm*], [
dnl ARM processor may use a special mixed endian for doubles. It can
dnl be switched by processor configuration. So we check it at runtime.
AC_DEFINE(DOUBLE_ARMENDIAN,1,[Define to use mixed endian ARM processor])])
dnl ===========================================================
dnl Checks for typedefs, structures, and compiler characteristics.
AC_SYS_LARGEFILE
AC_C_INLINE
AC_C_BIGENDIAN
AC_STRUCT_TM
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(intptr_t)
AC_CHECK_SIZEOF(uintptr_t)
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(ssize_t)
AC_CHECK_SIZEOF(ptrdiff_t)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(double)
AC_CHECK_SIZEOF(float)
AC_CHECK_TYPES([long long, long double])
AC_CHECK_TYPES([struct timespec])
if test "$GAUCHE_THREAD_TYPE" = pthreads; then
AC_CHECK_TYPES(pthread_spinlock_t,,,[#include <pthread.h>])
fi
AC_CHECK_SIZEOF(rlim_t,,[
#if HAVE_SYS_TIME_H
# include <sys/time.h>
#endif
#if HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
])
dnl Checks nanosecond resolution in stat structure
AC_CHECK_MEMBERS([struct stat.st_atim,
struct stat.st_mtim,
struct stat.st_ctim],,,[#include <sys/stat.h>])
dnl Checks non-POSIX members of system structure
AC_CHECK_MEMBERS([struct group.gr_passwd],,,[#include <grp.h>])
AC_CHECK_MEMBERS([struct passwd.pw_passwd,
struct passwd.pw_gecos,
struct passwd.pw_class],,,[#include <pwd.h>])
dnl checks if time_t is integer or flonum
AC_CACHE_CHECK(time_t is integral, ac_cv_type_time_t_integral, [
AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <time.h>
int main()
{
time_t t = 3.14;
return (t == 3.14);
}]])],[ac_cv_type_time_t_integral=yes],[ac_cv_type_time_t_integral=no],[ac_cv_type_time_t_integral=yes])])
if test "$ac_cv_type_time_t_integral" = yes; then
AC_DEFINE(INTEGRAL_TIME_T,1,[Define if time_t is typedef'ed to an integral type])
fi
dnl ===========================================================
dnl Checks for library functions.
AC_PROG_GCC_TRADITIONAL
dnl This is required to test trunc and rint below
AC_CHECK_LIB(m, sin)
dnl x86-solaris 9 requires this to use isinf
AC_CHECK_LIB(sunmath, isinf)
dnl clock_gettime may be in librt
AC_CHECK_LIB(rt, clock_gettime)
dnl OSX specific
AC_CHECK_LIB(proc, proc_pidpath)
dnl For Windows/MinGW, manually adds several libraries
dnl Also adds -DUNICODE to CFLAGS enable Windows wchar API,
dnl Also adds -D__USE_MINGW_ANSI_STDIO to CFLAGS to support
dnl C99 printf format string.
dnl ALTERNATIVE_GOSH is no-console version of gosh; only built on Windows.
case "$host" in
*mingw*) LIBS="$LIBS -lnetapi32 -lshlwapi -lws2_32 -lbcrypt"
ALTERNATIVE_GOSH="gosh-noconsole.exe"
CFLAGS="$CFLAGS -DUNICODE -D__USE_MINGW_ANSI_STDIO" ;;
*) ALTERNATIVE_GOSH="" ;;
esac
AC_SUBST(ALTERNATIVE_GOSH)
AC_FUNC_ALLOCA
AC_CHECK_FUNCS(isnan isinf trunc rint tgamma lgamma)
AC_CHECK_FUNCS(symlink readlink lchown realpath nanosleep usleep utimensat)
AC_CHECK_FUNCS(random srandom lrand48 srand48)
AC_CHECK_FUNCS(putenv setenv unsetenv clearenv getpgid setgroups)
AC_CHECK_FUNCS(gethostname sethostname getdomainname setdomainname)
AC_CHECK_FUNCS(gettimeofday getloadavg clock_gettime clock_getres)
AC_CHECK_FUNCS(syslog setlogmask)
AC_CHECK_FUNCS(sigwait)
AC_CHECK_FUNCS(fpsetprec)
AC_CHECK_FUNCS(issetugid)
AC_CHECK_FUNCS(strsignal)
dnl KLUDGE: As of Dec 2015, Mingw-w64 provides mkstemp() but it opens
dnl the file with _O_TEMPORARY flag, so the file gets automatically deleted
dnl when its opened file descriptors are all closed. It is incompatible
dnl for typical behavior and we avoid using it. This kludge should be
dnl removed once mingw-w64 fixes mkstemp. (We include mkdtemp here as
dnl well, just because it's nice to see them togeter. Mingw-w64 doesn't
dnl have mkdtemp yet, so it doesn't matter wheter we include it or not.)
case "$host" in
*mingw*) ;;
*)
AC_CHECK_FUNCS(mkdtemp mkstemp);;
esac
dnl Check for select(). HP-UX and MinGW doesn't like the way configure tests
dnl select() existence and we know they have one, so we skip the test on them.
case "$host" in
*-hpux*|*mingw*)
AC_DEFINE(HAVE_SELECT, 1, [Define if you have select]) ;;
*)
AC_CHECK_FUNCS(select);;
esac
dnl Checks for pty-related fns. It appears that recent Cygwin has them,
dnl but only in a static library. That prevents us from creating DLL
dnl version of gauche. Thus we explicitly exclude them on cygwin.
case "$host" in
*cygwin*)
: ;;
*)
AC_SEARCH_LIBS(openpty, util, AC_DEFINE(HAVE_OPENPTY, 1, [Define if you have openpty]))
AC_SEARCH_LIBS(forkpty, util, AC_DEFINE(HAVE_FORKPTY, 1, [Define if you have forkpty]))
;;
esac
dnl Check for fcntl
AC_CHECK_FUNCS(fcntl)
dnl Checks if crypt() exists and whether it's in libc or libcrypt.
dnl Note: on cygwin, libcrypt is only available as a static library,
dnl and prevents libgauche.dll from building. We explicitly excludes it.
dnl
case "$host" in
*cygwin*)
: ;;
*)
AC_SEARCH_LIBS(crypt, crypt, AC_DEFINE(HAVE_CRYPT,1,[Define if uses libcrypt]))
;;
esac
dnl Checks if dlopen exists, and if it's in libc or libdl.
dnl On MinGW, we call LoadLibrary so we don't need dlopen (see dl_win.c)
case "$host" in
*mingw*)
: ;;
*)
AC_SEARCH_LIBS(dlopen, dl, AC_DEFINE(HAVE_DLOPEN,1,[Define if the system has dlopen()]))
;;
esac
dnl Checks for sched_yield.
AC_SEARCH_LIBS(sched_yield, rt, AC_DEFINE(HAVE_SCHED_YIELD,1,[Define if uses librt]))
dnl Check for pthread_cancel. $LIBS should already have thread libraries.
if test "$GAUCHE_THREAD_TYPE" = pthreads; then
AC_CHECK_FUNCS(pthread_cancel)
fi
dnl Use Resource file
AS_CASE([$host],
[*mingw*], [USE_WIN_RESOURCE_yes=""
USE_WIN_RESOURCE_no="@%:@"],
[USE_WIN_RESOURCE_yes="@%:@"
USE_WIN_RESOURCE_no=""])
AC_SUBST(USE_WIN_RESOURCE_yes)
AC_SUBST(USE_WIN_RESOURCE_no)
dnl
dnl Checks compiler options for dynamic link and thread support.
dnl
dnl SHLIB_SO_SUFFIX Suffix of dlopen-able module. most systems doesn't
dnl have restriction for this. default "so".
dnl SHLIB_DYLIB_SUFFIX Suffix of dynamic linkable module. On Unices
dnl it is usuallly "so". On MacOSX it is "dylib".
dnl On Win32 it is "dll". If not explicitly specified,
dnl SHLIB_SO_SUFFIX is used.
dnl SHLIB_SO_CFLAGS flags to compile files which is dlopen-able
dnl e.g. "-fpic"
dnl SHLIB_SO_LDFLAGS flags to link files to create dlopen-able
dnl module, e.g. "-shared -o"
dnl SHLIB_DYLIB_LDFLAGS flags to link files to create dynamically linkable
dnl module. On most unices this is the same as
dnl SHLIB_SO_LDFLAGS.
dnl SHLIB_MAIN_LDFLAGS flags required to compile a main program which
dnl exposes symbols to be referred by the dynamically
dnl loaded module, e.g. "-rdynamic"
dnl LINK_HELPER A script that helps linking libgauche. Sort of
dnl simplified libtool. So far we only need this on
dnl MacOSX. We have absolutely no intention to
dnl re-invent libtool, though.
dnl LIBGAUCHE_SO defined as "libgauche.$(SHLIB_SO_SUFFIX)" if
dnl system supports dso. empty otherwise.
dnl GOSH_USE_SHLIB If set to "yes", gosh uses dynamic linkable version
dnl of libgauche, instead of statically links libgauche.a.
dnl On Win32 it is required to allow extensions to work.
AC_MSG_CHECKING(how to make dynamic loadable module)
# A flag to indicate libgauche can be linked when building extension module.
# It is required on cygwin; it has to be omitted on MacOS X; Other unices
# generally don't care.
ext_use_libgauche=no
# A flag to indicate we need to create a link with version numbers to
# libgauche.so after building it.
libgauche_version_link=yes
# A flag to indicate uvector.so should be added when linking extension module
# that refers to uvector. It is required if we want to resolve all symbols,
# and although it's the usual case, we can't add it on MacOS X, on which
# we only build the static version of libgauche.
ext_use_uvector=no
# We put additional information, such as whether we use Framework for
# darwin, in this variable.
xhost=$host
# On cygwin, we likely to need rebaseall to make dlls work with sys-fork.
CYGWIN_FIXDLL=:
AS_CASE([$host],
[*freebsd2*], [
SHLIB_SO_CFLAGS="-fpic -fPIC"
SHLIB_SO_LDFLAGS="-v;ld -Bshareable -o"
SHLIB_SO_SUFFIX="so"
SHLIB_MAIN_LDFLAGS=""
SHLIB_OK=ok
],
[*-linux-*|*-*-gnu*|*freebsd*|*dragonfly*], [
SHLIB_SO_CFLAGS="-fPIC"
SHLIB_SO_LDFLAGS="$rpath -shared -o"
SHLIB_SO_SUFFIX="so"
SHLIB_MAIN_LDFLAGS="-rdynamic"
SHLIB_OK=ok
],
[*netbsd*|*openbsd*], [
SHLIB_SO_CFLAGS="-fPIC -DPIC"
SHLIB_SO_LDFLAGS="$rpath -shared -o"
SHLIB_SO_SUFFIX="so"
SHLIB_MAIN_LDFLAGS="-rdynamic"
SHLIB_OK=ok
],
[*darwin*], [
dnl -no-cpp-precomp is not related to shared library, but needed to
dnl get src/{vm.c,char.c} compiled -skimu
dnl [Shiro] Darwin 1.3 and later needs different flags
CPPFLAGS="$CPPFLAGS -no-cpp-precomp"
AS_CASE([$host_os],
[darwin1.@<:@012@:>@], [FLAT_NAMESPACE=""],
[FLAT_NAMESPACE="-flat_namespace"])
AS_CASE([$host_os],
[darwin9.8.*], [], dnl Leopard doesn't like -no_pie
[SHLIB_MAIN_LDFLAGS="-Wl,-no_pie"])
SHLIB_SO_CFLAGS="-no-cpp-precomp -fPIC -fno-common"
SHLIB_SO_LDFLAGS="-bundle $FLAT_NAMESPACE -undefined suppress -o"
SHLIB_SO_SUFFIX="so"
SHLIB_DYLIB_LDFLAGS='-framework CoreServices -framework CoreFoundation -dynamiclib -o'
AS_IF([test "$ac_gauche_framework" = yes], [
AC_DEFINE(GAUCHE_MACOSX_FRAMEWORK, 1, [Define 1 if building framework on MacOSX])
xhost="${host}-framework"
])
SHLIB_DYLIB_SUFFIX="dylib"
SHLIB_LIBS_FOR_EXT=""
SHLIB_OK=ok
LINK_HELPER='$(srcdir)/link-dylib'
ext_use_libgauche=no
libgauche_version_link=no
],
[mips-sgi-irix*], [
AS_IF([test "$GCC" = yes],
[SHLIB_SO_CFLAGS="-fPIC"],
[SHLIB_SO_CFLAGS="-KPIC"])
SHLIB_SO_LDFLAGS="$rpath -shared -o"
SHLIB_SO_SUFFIX="so"
SHLIB_MAIN_LDFLAGS=""
SHLIB_OK=ok
],
[*solaris*], [
AS_IF([test "$GCC" = yes], [
SHLIB_SO_CFLAGS="-fPIC"
SHLIB_SO_LDFLAGS="-shared -o"
], [
SHLIB_SO_CFLAGS="-Kpic"
SHLIB_SO_LDFLAGS="-G -o"
])
SHLIB_SO_SUFFIX="so"
SHLIB_MAIN_LDFLAGS=""
SHLIB_OK=ok
],
[*hp*], [
AS_IF([test "$GCC" = yes], [
SHLIB_SO_CFLAGS="-fPIC"
SHLIB_SO_LDFLAGS="-shared -o"
], [
SHLIB_SO_CFLAGS="+z +Z"
SHLIB_SO_LDFLAGS=";ld -b -o"
])
SHLIB_SO_SUFFIX="sl"
SHLIB_MAIN_LDFLAGS=""
SHLIB_OK=ok
LINK_HELPER='$(srcdir)/link-hpux'
],
[*cygwin*], [
SHLIB_SO_CFLAGS=""
SHLIB_SO_LDFLAGS='-Wl,--export-all-symbols -Wl,--enable-auto-import -shared -o'
SHLIB_SO_SUFFIX="dll"
SHLIB_DYLIB_SUFFIX="dll"
SHLIB_MAIN_LDFLAGS="-Wl,--enable-auto-import"
SHLIB_OK=ok
GOSH_USE_SHLIB=yes
ext_use_uvector=yes
ext_use_libgauche=yes
libgauche_version_link=no
CYGWIN_FIXDLL='$(srcdir)/src/cygwin-fixdll.sh'
],
[*mingw*], [
dnl Kludge: We add -static-libgcc flag when creating dll, in order to avoid
dnl introducing dependency to libgcc_s_dw2-1.dll.
SHLIB_SO_CFLAGS=""
SHLIB_SO_LDFLAGS='-Wl,--export-all-symbols -Wl,--enable-auto-import -Wl,--enable-runtime-pseudo-reloc -static-libgcc -shared -o'
SHLIB_SO_SUFFIX="dll"
SHLIB_DYLIB_SUFFIX="dll"
SHLIB_MAIN_LDFLAGS="-Wl,--enable-auto-import -static-libgcc"
SHLIB_OK=ok
GOSH_USE_SHLIB=yes
ext_use_uvector=yes
ext_use_libgauche=yes
libgauche_version_link=no
],
[
SHLIB_SO_CFLAGS=""
SHLIB_SO_LDFLAGS=""
SHLIB_SO_SUFFIX=""
SHLIB_MAIN_LDFLAGS=""
SHLIB_OK=unknown
])
AS_IF([test -z "$SHLIB_DYLIB_LDFLAGS"],
[SHLIB_DYLIB_LDFLAGS=$SHLIB_SO_LDFLAGS])
AS_IF([test -z "$SHLIB_DYLIB_SUFFIX"],
[SHLIB_DYLIB_SUFFIX=$SHLIB_SO_SUFFIX])
AS_IF([test "$SHLIB_OK" = ok],
[LIBGAUCHE_SO="$LIBGAUCHE.$SHLIB_DYLIB_SUFFIX"],
[LIBGAUCHE_SO=])
AS_IF([test "$ext_use_libgauche" = yes],
[EXT_LIBGAUCHE="-l$LINKGAUCHE"],
[EXT_LIBGAUCHE=])
AS_IF([test "$ext_use_uvector" = yes],
[EXT_UVECTOR='$(top_builddir)/ext/uvector/libgauche-uvector.$(SOEXT)'],
[EXT_UVECTOR=])
AS_IF([test "$libgauche_version_link" = yes -a "$SHLIB_OK" = ok],
[MAKEVERSLINK='$(SHELL) ./makeverslink'],
[MAKEVERSLINK=:])
AS_IF([test "$install_common_commands" = yes],
[INSTALL_COMMON_COMMANDS='$(SHELL) $(top_srcdir)/tools/install-shared-commands.sh'],
[INSTALL_COMMON_COMMANDS=:])
AC_SUBST(xhost)
AC_SUBST(SHLIB_SO_CFLAGS)
AC_SUBST(SHLIB_SO_LDFLAGS)
AC_SUBST(SHLIB_SO_SUFFIX)
AC_SUBST(SHLIB_LIBS_FOR_EXT)
AC_SUBST(SHLIB_DYLIB_LDFLAGS)
AC_SUBST(SHLIB_DYLIB_SUFFIX)
AC_SUBST(SHLIB_MAIN_LDFLAGS)
AC_SUBST(EXT_LIBGAUCHE)
AC_SUBST(EXT_UVECTOR)
AC_SUBST(LIBGAUCHE_SO)
AC_SUBST(GOSH_USE_SHLIB)
AC_DEFINE_UNQUOTED(SHLIB_SO_SUFFIX, "$SHLIB_SO_SUFFIX", [Shared library file suffix])
AC_SUBST(LINK_HELPER)
AC_SUBST(MAKEVERSLINK)
AC_SUBST(INSTALL_COMMON_COMMANDS)
AC_SUBST(CYGWIN_FIXDLL)
AC_MSG_RESULT($SHLIB_OK)
dnl Check to see if the linker takes --rpath flag via -Wl.
RPATH_FLAG=
if test "$try_rpath" = "yes"; then
cflags_save="$CFLAGS"
CFLAGS="$CFLAGS -Wl,--rpath=/"
AC_CACHE_CHECK([linker takes --rpath flag], ac_cv_linker_rpath_flag, [
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {return 0;}])],
ac_cv_linker_rpath_flag=yes,
ac_cv_linker_rpath_flag=no)
])
CFLAGS="$cflags_save"
if test "$ac_cv_linker_rpath_flag" = "yes"; then
RPATH_FLAG='-Wl,--rpath='
else
# solaris' ld uses -R instead of --rpath
CFLAGS="$CFLAGS -Wl,-R,/"
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {return 0;}])],
ac_cv_linker_rpath_flag=yes,
ac_cv_linker_rpath_flag=no)
CFLAGS="$cflags_save"
if test "$ac_cv_linker_rpath_flag" = "yes"; then
RPATH_FLAG='-Wl,-R,'
fi
fi
if test "$RPATH_FLAG" != ""; then
RPATH_TMP=$RPATH_FLAG'"`pwd`"'
RPATH_REAL=$RPATH_FLAG'"$(ARCH_INSTALL_DIR)"'
fi
fi
AC_SUBST(RPATH_FLAG)
AC_SUBST(RPATH_TMP)
AC_SUBST(RPATH_REAL)
dnl Check to see if the linker takes --soname flag
cflags_save="$CFLAGS"
CFLAGS="$CFLAGS -Wl,--soname,libgauche.so.0"
AC_CACHE_CHECK([linker takes --soname flag], ac_cv_linker_soname_flag, [
AC_LINK_IFELSE([AC_LANG_SOURCE([int main(void) {return 0;}])],
ac_cv_linker_soname_flag=yes,
ac_cv_linker_soname_flag=no)
])
CFLAGS="$cflags_save"
if test "$ac_cv_linker_soname_flag" = "yes"; then
SONAME_FLAG="-Wl,--soname,$LIBGAUCHE.so.0.$GAUCHE_MICRO_VERSION"
fi
AC_SUBST(SONAME_FLAG)
dnl Sets some optimization flags by heuristics.
AC_GAUCHE_OPTFLAGS
dnl ===========================================================
dnl More tests for specific components
dnl These are separate *.ac files for easier management
m4_include([ac/net.ac])
dnl ===========================================================
dnl Tests for extensions
EXT_LIBS=
# Those *.ac's may add libraries to EXT_LIBS.
m4_include([ext/charconv/charconv.ac])
m4_include([ext/dbm/dbm.ac])
m4_include([ext/zlib/zlib.ac])
m4_include([ext/tls/tls.ac])
dnl Setup STATIC_LIBS
#STATIC_LIBS=
#for lib in $EXT_LIBS $LIBS; do
# AS_IF([ echo "${STATIC_LIBS}" | grep -F -w -e "${lib}" > /dev/null 2>&1 ],
# [], dnl lib is alreay in STATIC_LIBS. do nothing
# [STATIC_LIBS="$STATIC_LIBS $lib"])
#done
STATIC_LIBS="$EXT_LIBS $LIBS"
STATIC_LIBS="`echo $LIBGAUCHE_STATIC | sed s/^lib/-l/` $STATIC_LIBS"
AS_CASE([$host],
[*darwin*], [
STATIC_LIBS="-framework CoreServices -framework CoreFoundation $STATIC_LIBS"
],
[])
AC_SUBST(STATIC_LIBS)
dnl ===========================================================
dnl Cross compiling
if test ${cross_compiling} = no ; then
# self compile
CROSS_COMPILING_yes="@%:@"
CROSS_COMPILING_no=
else
# cross compile
CROSS_COMPILING_yes=
CROSS_COMPILING_no="@%:@"
fi
AC_SUBST(CROSS_COMPILING_yes)
AC_SUBST(CROSS_COMPILING_no)
dnl ===========================================================
dnl Configure gc
AC_CONFIG_SUBDIRS(gc)
dnl ===========================================================
dnl Create output files
AC_CONFIG_FILES([
Makefile
src/Makefile src/genconfig src/makeverslink
lib/Makefile
doc/gosh.1 doc/gauche-config.1 doc/gauche-cesconv.1
doc/gauche-install.1 doc/gauche-package.1 doc/Makefile
ext/Makefile ext/Makefile.ext
ext/bcrypt/Makefile
ext/binary/Makefile
ext/charconv/Makefile ext/charconv/iconv-adapter.h
ext/data/Makefile
ext/dbm/Makefile
ext/digest/Makefile
ext/fcntl/Makefile
ext/file/Makefile
ext/gauche/Makefile
ext/mt-random/Makefile
ext/native/Makefile
ext/peg/Makefile
ext/scheme/Makefile
ext/sparse/Makefile
ext/srfi/Makefile
ext/sxml/Makefile
ext/syslog/Makefile
ext/tls/Makefile
ext/termios/Makefile
ext/text/Makefile
ext/util/Makefile
ext/uvector/Makefile
ext/vport/Makefile
ext/rfc/Makefile
ext/zlib/Makefile
ext/windows/Makefile
examples/Makefile
examples/standalone/Makefile
gc/configure.gnu-gauche:tools/gc-configure.gnu-gauche.in
Gauche.spec
tools/Makefile
tools/scoop/Makefile
tools/tls/Makefile
])
AC_CONFIG_COMMANDS([VERSION],
[echo "${GAUCHE_VERSION}" > VERSION],
[GAUCHE_VERSION="${GAUCHE_VERSION}"])
AC_CONFIG_COMMANDS([src/features],
[${srcdir}/src/gen-features.sh ${ac_srcdir} ${ac_builddir} ${host}])
AC_OUTPUT
dnl ===========================================================
dnl Show some of the configuration results, for developer's
dnl convenience.
[OPTDBMS=`echo "$DBM_SCMFILES" | sed 's/\.sci//g'`]
AS_IF([test "$ac_cv_use_zlib" = yes], [OPTZLIB=" zlib"], [OPTZLIB=" "])
AC_MSG_RESULT(
[
This Gauche has been configured with the following parameters:
version: $GAUCHE_VERSION
documentation: $build_doc
slib: $SLIB_DIR
thread: $GAUCHE_THREAD_TYPE
tls/ssl: $GAUCHE_TLS_TYPES
CA store: $TLS_CA_TYPE $TLS_CA_PATH
optional modules: $OPTDBMS$OPTZLIB
])
AS_IF([test -z "$GAUCHE_TLS_TYPES" -a "$tls_explicitly_disabled" != yes], [
AC_MSG_RESULT([
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!