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|
# Configure paths for libogg
# Jack Moffitt <jack@icecast.org> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh
dnl XIPH_PATH_OGG([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libogg, and define OGG_CFLAGS and OGG_LIBS
dnl
AC_DEFUN([XIPH_PATH_OGG],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(ogg,AC_HELP_STRING([--with-ogg=PFX],[Prefix where libogg is installed (optional)]), ogg_prefix="$withval", ogg_prefix="")
AC_ARG_WITH(ogg-libraries,AC_HELP_STRING([--with-ogg-libraries=DIR],[Directory where libogg library is installed (optional)]), ogg_libraries="$withval", ogg_libraries="")
AC_ARG_WITH(ogg-includes,AC_HELP_STRING([--with-ogg-includes=DIR],[Directory where libogg header files are installed (optional)]), ogg_includes="$withval", ogg_includes="")
AC_ARG_ENABLE(oggtest,AC_HELP_STRING([--disable-oggtest],[Do not try to compile and run a test Ogg program]),, enable_oggtest=yes)
if test "x$ogg_libraries" != "x" ; then
OGG_LIBS="-L$ogg_libraries"
elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
OGG_LIBS=""
elif test "x$ogg_prefix" != "x" ; then
OGG_LIBS="-L$ogg_prefix/lib"
elif test "x$prefix" != "xNONE" ; then
OGG_LIBS="-L$prefix/lib"
fi
if test "x$ogg_prefix" != "xno" ; then
OGG_LIBS="$OGG_LIBS -logg"
fi
if test "x$ogg_includes" != "x" ; then
OGG_CFLAGS="-I$ogg_includes"
elif test "x$ogg_prefix" = "xno" || test "x$ogg_prefix" = "xyes" ; then
OGG_CFLAGS=""
elif test "x$ogg_prefix" != "x" ; then
OGG_CFLAGS="-I$ogg_prefix/include"
elif test "x$prefix" != "xNONE"; then
OGG_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for Ogg)
if test "x$ogg_prefix" = "xno" ; then
no_ogg="disabled"
enable_oggtest="no"
else
no_ogg=""
fi
if test "x$enable_oggtest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Ogg is sufficiently new.
dnl
rm -f conf.oggtest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogg/ogg.h>
int main ()
{
system("touch conf.oggtest");
return 0;
}
],, no_ogg=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_ogg" = "xdisabled" ; then
AC_MSG_RESULT(no)
ifelse([$2], , :, [$2])
elif test "x$no_ogg" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.oggtest ; then
:
else
echo "*** Could not run Ogg test program, checking why..."
CFLAGS="$CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $OGG_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <ogg/ogg.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding Ogg or finding the wrong"
echo "*** version of Ogg. If it is not finding Ogg, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means Ogg was incorrectly installed"
echo "*** or that you have moved Ogg since it was installed. In the latter case, you"
echo "*** may want to edit the ogg-config script: $OGG_CONFIG" ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
OGG_CFLAGS=""
OGG_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(OGG_CFLAGS)
AC_SUBST(OGG_LIBS)
rm -f conf.oggtest
])
# Configure paths for libvorbis
# Jack Moffitt <jack@icecast.org> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh
dnl XIPH_PATH_VORBIS([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libvorbis, and define VORBIS_CFLAGS and VORBIS_LIBS
dnl
AC_DEFUN([XIPH_PATH_VORBIS],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(vorbis,AC_HELP_STRING([--with-vorbis=PFX],[Prefix where libvorbis is installed (optional)]), vorbis_prefix="$withval", vorbis_prefix="")
AC_ARG_WITH(vorbis-libraries,AC_HELP_STRING([--with-vorbis-libraries=DIR],[Directory where libvorbis library is installed (optional)]), vorbis_libraries="$withval", vorbis_libraries="")
AC_ARG_WITH(vorbis-includes,AC_HELP_STRING([--with-vorbis-includes=DIR],[Directory where libvorbis header files are installed (optional)]), vorbis_includes="$withval", vorbis_includes="")
AC_ARG_ENABLE(vorbistest,AC_HELP_STRING([--disable-vorbistest],[Do not try to compile and run a test Vorbis program]),, enable_vorbistest=yes)
if test "x$vorbis_libraries" != "x" ; then
VORBIS_LIBS="-L$vorbis_libraries"
elif test "x$vorbis_prefix" = "xno" || test "x$vorbis_prefix" = "xyes" ; then
VORBIS_LIBS=""
elif test "x$vorbis_prefix" != "x" ; then
VORBIS_LIBS="-L$vorbis_prefix/lib"
elif test "x$prefix" != "xNONE"; then
VORBIS_LIBS="-L$prefix/lib"
fi
VORBISFILE_LIBS="$VORBIS_LIBS -lvorbisfile"
VORBISENC_LIBS="$VORBIS_LIBS -lvorbisenc"
if test "x$vorbis_prefix" != "xno" ; then
VORBIS_LIBS="$VORBIS_LIBS -lvorbis"
fi
if test "x$vorbis_includes" != "x" ; then
VORBIS_CFLAGS="-I$vorbis_includes"
elif test "x$vorbis_prefix" = "xno" || test "x$vorbis_prefix" = "xyes" ; then
VORBIS_CFLAGS=""
elif test "x$vorbis_prefix" != "x" ; then
VORBIS_CFLAGS="-I$vorbis_prefix/include"
elif test "x$prefix" != "xNONE"; then
VORBIS_CFLAGS="-I$prefix/include"
fi
xiph_saved_LIBS="$LIBS"
LIBS=""
AC_SEARCH_LIBS(cos, m, [VORBIS_LIBS="$VORBIS_LIBS $LIBS"], [
AC_MSG_WARN([cos() not found in math library, vorbis installation may not work])
])
LIBS="$xiph_saved_LIBS"
AC_MSG_CHECKING(for Vorbis)
if test "x$vorbis_prefix" = "xno" ; then
no_vorbis="disabled"
enable_vorbistest="no"
else
no_vorbis=""
fi
if test "x$enable_vorbistest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $VORBIS_CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS"
dnl
dnl Now check if the installed Vorbis is sufficiently new.
dnl
rm -f conf.vorbistest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vorbis/codec.h>
int main ()
{
system("touch conf.vorbistest");
return 0;
}
],, no_vorbis=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_vorbis" = "xdisabled" ; then
AC_MSG_RESULT(no)
ifelse([$2], , :, [$2])
elif test "x$no_vorbis" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.vorbistest ; then
:
else
echo "*** Could not run Vorbis test program, checking why..."
CFLAGS="$CFLAGS $VORBIS_CFLAGS"
LIBS="$LIBS $VORBIS_LIBS $OGG_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <vorbis/codec.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding Vorbis or finding the wrong"
echo "*** version of Vorbis. If it is not finding Vorbis, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means Vorbis was incorrectly installed"
echo "*** or that you have moved Vorbis since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
VORBIS_CFLAGS=""
VORBIS_LIBS=""
VORBISFILE_LIBS=""
VORBISENC_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(VORBIS_CFLAGS)
AC_SUBST(VORBIS_LIBS)
AC_SUBST(VORBISFILE_LIBS)
AC_SUBST(VORBISENC_LIBS)
rm -f conf.vorbistest
])
# ao.m4
# Configure paths for libao
# Jack Moffitt <jack@icecast.org> 10-21-2000
# Shamelessly stolen from Owen Taylor and Manish Singh
dnl XIPH_PATH_AO([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libao, and define AO_CFLAGS and AO_LIBS
dnl
AC_DEFUN([XIPH_PATH_AO],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(ao,AC_HELP_STRING([--with-ao=PFX],[Prefix where libao is installed (optional)]), ao_prefix="$withval", ao_prefix="")
AC_ARG_WITH(ao-libraries,AC_HELP_STRING([--with-ao-libraries=DIR],[Directory where libao library is installed (optional)]), ao_libraries="$withval", ao_libraries="")
AC_ARG_WITH(ao-includes,AC_HELP_STRING([--with-ao-includes=DIR],[Directory where libao header files are installed (optional)]), ao_includes="$withval", ao_includes="")
AC_ARG_ENABLE(aotest,AC_HELP_STRING([--disable-aotest],[Do not try to compile and run a test ao program]),, enable_aotest=yes)
if test "x$ao_prefix" != "xno"
then
if test "x$ao_libraries" != "x" ; then
AO_LIBS="-L$ao_libraries"
elif test "x$ao_prefix" = "xno" || test "x$ao_prefix" = "xyes" ; then
AO_LIBS=""
elif test "x$ao_prefix" != "x" -a "x$ao_prefix" != "xyes"; then
AO_LIBS="-L$ao_prefix/lib"
elif test "x$prefix" != "xNONE"; then
AO_LIBS="-L$prefix/lib"
fi
if test "x$ao_includes" != "x" ; then
AO_CFLAGS="-I$ao_includes"
elif test "x$ao_prefix" = "xno" || test "x$ao_prefix" = "xyes" ; then
AO_CFLAGS=""
elif test "x$ao_prefix" != "x" -a "x$ao_prefix" != "xyes"; then
AO_CFLAGS="-I$ao_prefix/include"
elif test "x$prefix" != "xNONE"; then
AO_CFLAGS="-I$prefix/include"
fi
# see where dl* and friends live
AC_CHECK_FUNCS(dlopen, [AO_DL_LIBS=""], [
AC_CHECK_LIB(dl, dlopen, [AO_DL_LIBS="-ldl"], [
AC_MSG_WARN([could not find dlopen() needed by libao sound drivers
your system may not be supported.])
])
])
if test "x$ao_prefix" != "xno" ; then
AO_LIBS="$AO_LIBS -lao $AO_DL_LIBS"
fi
AC_MSG_CHECKING(for ao)
if test "x$ao_prefix" = "xno" ; then
no_ao="disabled"
enable_aotest="no"
else
no_ao=""
fi
if test "x$enable_aotest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $AO_CFLAGS"
LIBS="$LIBS $AO_LIBS"
dnl
dnl Now check if the installed ao is sufficiently new.
dnl
rm -f conf.aotest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ao/ao.h>
int main ()
{
system("touch conf.aotest");
return 0;
}
],, no_ao=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_ao" = "xdisabled" ; then
AC_MSG_RESULT(no)
ifelse([$2], , :, [$2])
elif test "x$no_ao" = "x" ; then
AC_MSG_RESULT(yes)
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.aotest ; then
:
else
echo "*** Could not run ao test program, checking why..."
CFLAGS="$CFLAGS $AO_CFLAGS"
LIBS="$LIBS $AO_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <ao/ao.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding ao or finding the wrong"
echo "*** version of ao. If it is not finding ao, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means ao was incorrectly installed"
echo "*** or that you have moved ao since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
AO_CFLAGS=""
AO_LIBS=""
ifelse([$2], , :, [$2])
fi
AC_SUBST(AO_CFLAGS)
AC_SUBST(AO_LIBS)
rm -f conf.aotest
fi
])
dnl This macros shamelessly stolen from
dnl http://gcc.gnu.org/ml/gcc-bugs/2001-06/msg01398.html.
dnl Written by Bruno Haible.
AC_DEFUN([AM_ICONV],
[
dnl Some systems have iconv in libc, some have it in libiconv (OSF/1 and
dnl those with the standalone portable GNU libiconv installed).
AC_ARG_WITH([libiconv-prefix],
[ --with-libiconv-prefix=DIR search for libiconv in DIR/include and DIR/lib], [
for dir in `echo "$withval" | tr : ' '`; do
if test -d $dir/include; then CPPFLAGS="$CPPFLAGS -I$dir/include"; fi
if test -d $dir/lib; then LDFLAGS="$LDFLAGS -L$dir/lib"; fi
done
])
AC_CACHE_CHECK(for iconv, am_cv_func_iconv, [
am_cv_func_iconv="no, consider installing GNU libiconv"
am_cv_lib_iconv=no
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
am_cv_func_iconv=yes)
if test "$am_cv_func_iconv" != yes; then
am_save_LIBS="$LIBS"
LIBS="$LIBS -liconv"
AC_TRY_LINK([#include <stdlib.h>
#include <iconv.h>],
[iconv_t cd = iconv_open("","");
iconv(cd,NULL,NULL,NULL,NULL);
iconv_close(cd);],
am_cv_lib_iconv=yes
am_cv_func_iconv=yes)
LIBS="$am_save_LIBS"
fi
])
if test "$am_cv_func_iconv" = yes; then
AC_DEFINE(HAVE_ICONV, 1, [Define if you have the iconv() function.])
AC_MSG_CHECKING([for iconv declaration])
AC_CACHE_VAL(am_cv_proto_iconv, [
AC_TRY_COMPILE([
#include <stdlib.h>
#include <iconv.h>
extern
#ifdef __cplusplus
"C"
#endif
#if defined(__STDC__) || defined(__cplusplus)
size_t iconv (iconv_t cd, char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);
#else
size_t iconv();
#endif
], [], am_cv_proto_iconv_arg1="", am_cv_proto_iconv_arg1="const")
am_cv_proto_iconv="extern size_t iconv (iconv_t cd, $am_cv_proto_iconv_arg1 char * *inbuf, size_t *inbytesleft, char * *outbuf, size_t *outbytesleft);"])
am_cv_proto_iconv=`echo "[$]am_cv_proto_iconv" | tr -s ' ' | sed -e 's/( /(/'`
AC_MSG_RESULT([$]{ac_t:-
}[$]am_cv_proto_iconv)
AC_DEFINE_UNQUOTED(ICONV_CONST, $am_cv_proto_iconv_arg1,
[Define as const if the declaration of iconv() needs const.])
fi
LIBICONV=
if test "$am_cv_lib_iconv" = yes; then
LIBICONV="-liconv"
fi
AC_SUBST(LIBICONV)
])
dnl From Bruno Haible.
dnl
AC_DEFUN([AM_LANGINFO_CODESET],
[
AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
[AC_TRY_LINK([#include <langinfo.h>],
[char* cs = nl_langinfo(CODESET);],
am_cv_langinfo_codeset=yes,
am_cv_langinfo_codeset=no)
])
if test $am_cv_langinfo_codeset = yes; then
AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
[Define if you have <langinfo.h> and nl_langinfo(CODESET).])
fi
])
dnl AM_PATH_CURL([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for libcurl, and define CURL_CFLAGS and CURL_LIBS
dnl
AC_DEFUN([AM_PATH_CURL],
[dnl
dnl Get the cflags and libraries
dnl
AC_ARG_WITH(curl,[ --with-curl=PFX Prefix where libcurl is installed (optional)], curl_prefix="$withval", curl_prefix="")
AC_ARG_WITH(curl-libraries,[ --with-curl-libraries=DIR Directory where libcurl library is installed (optional)], curl_libraries="$withval", curl_libraries="")
AC_ARG_WITH(curl-includes,[ --with-curl-includes=DIR Directory where libcurl header files are installed (optional)], curl_includes="$withval", curl_includes="")
AC_ARG_ENABLE(curltest, [ --disable-curltest Do not try to compile and run a test libcurl program],, enable_curltest=yes)
if test "x$curl_prefix" != "xno" ; then
if test "x$curl_libraries" != "x" ; then
CURL_LIBS="-L$curl_libraries"
elif test "x$curl_prefix" != "x" ; then
CURL_LIBS="-L$curl_prefix/lib"
elif test "x$prefix" != "xNONE" ; then
CURL_LIBS="-L$prefix/lib"
fi
CURL_LIBS="$CURL_LIBS -lcurl"
if test "x$curl_includes" != "x" ; then
CURL_CFLAGS="-I$curl_includes"
elif test "x$curl_prefix" != "x" ; then
CURL_CFLAGS="-I$curl_prefix/include"
elif test "x$prefix" != "xNONE"; then
CURL_CFLAGS="-I$prefix/include"
fi
AC_MSG_CHECKING(for libcurl)
no_curl=""
if test "x$enable_curltest" = "xyes" ; then
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $CURL_CFLAGS"
LIBS="$LIBS $CURL_LIBS"
dnl
dnl Now check if the installed libcurl is sufficiently new.
dnl
rm -f conf.curltest
AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <curl/curl.h>
int main ()
{
system("touch conf.curltest");
return 0;
}
],, no_curl=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
if test "x$no_curl" = "x" ; then
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_CURL, 1, [Define if you have libcurl.])
ifelse([$1], , :, [$1])
else
AC_MSG_RESULT(no)
if test -f conf.curltest ; then
:
else
echo "*** Could not run libcurl test program, checking why..."
CFLAGS="$CFLAGS $CURL_CFLAGS"
LIBS="$LIBS $CURL_LIBS"
AC_TRY_LINK([
#include <stdio.h>
#include <curl/curl.h>
], [ return 0; ],
[ echo "*** The test program compiled, but did not run. This usually means"
echo "*** that the run-time linker is not finding libcurl or finding the wrong"
echo "*** version of libcurl. If it is not finding libcurl, you'll need to set your"
echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
echo "*** to the installed location Also, make sure you have run ldconfig if that"
echo "*** is required on your system"
echo "***"
echo "*** If you have an old version installed, it is best to remove it, although"
echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
[ echo "*** The test program failed to compile or link. See the file config.log for the"
echo "*** exact error that occured. This usually means libcurl was incorrectly installed"
echo "*** or that you have moved libcurl since it was installed." ])
CFLAGS="$ac_save_CFLAGS"
LIBS="$ac_save_LIBS"
fi
CURL_CFLAGS=""
CURL_LIBS=""
ifelse([$2], , :, [$2])
fi
else
CURL_CFLAGS=""
CURL_LIBS=""
fi
AC_SUBST(CURL_CFLAGS)
AC_SUBST(CURL_LIBS)
rm -f conf.curltest
])
dnl ACX_PTHREAD macro by Steven G. Johnson <stevenj@alum.mit.edu> and
dnl Alejandro Forero Cuervo <bachue@bachue.com>. Found at:
dnl http://www.gnu.org/software/ac-archive/Installed_Packages/acx_pthread.html
AC_DEFUN([ACX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_HOST])
acx_pthread_ok=no
# First, check if the POSIX threads header, pthread.h, is available.
# If it isn't, don't bother looking for the threads libraries.
AC_CHECK_HEADER(pthread.h, , acx_pthread_ok=noheader)
# We must check for the threads library under a number of different
# names; the ordering is very important because some systems
# (e.g. DEC) have both -lpthread and -lpthreads, where one of the
# libraries is broken (non-POSIX).
# First of all, check if the user has set any of the PTHREAD_LIBS,
# etcetera environment variables, and if threads linking works using
# them:
if test x"$PTHREAD_LIBS$PTHREAD_CFLAGS" != x; then
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
save_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
AC_MSG_CHECKING([for pthread_join in LIBS=$PTHREAD_LIBS with CFLAGS=$PTHREAD_CFLAGS])
AC_TRY_LINK_FUNC(pthread_join, acx_pthread_ok=yes)
AC_MSG_RESULT($acx_pthread_ok)
if test x"$acx_pthread_ok" = xno; then
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
fi
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
fi
# Create a list of thread flags to try. Items starting with a "-" are
# C compiler flags, and other items are library names, except for "none"
# which indicates that we try without any flags at all.
acx_pthread_flags="pthreads none -Kthread -kthread lthread pthread -pthread -pthreads -mthreads --thread-safe -mt"
# The ordering *is* (sometimes) important. Some notes on the
# individual items follow:
# pthreads: AIX (must check this before -lpthread)
# none: in case threads are in libc; should be tried before -Kthread and
# other compiler flags to prevent continual compiler warnings
# -Kthread: Sequent (threads in libc, but -Kthread needed for pthread.h)
# -kthread: FreeBSD kernel threads (preferred to -pthread since SMP-able)
# lthread: LinuxThreads port on FreeBSD (also preferred to -pthread)
# -pthread: Linux/gcc (kernel threads), BSD/gcc (userland threads)
# -pthreads: Solaris/gcc
# -mthreads: Mingw32/gcc, Lynx/gcc
# -mt: Sun Workshop C (may only link SunOS threads [-lthread], but it
# doesn't hurt to check since this sometimes defines pthreads too;
# also defines -D_REENTRANT)
# pthread: Linux, etcetera
# --thread-safe: KAI C++
case "${host_cpu}-${host_os}" in
*solaris*)
# On Solaris (at least, for some versions), libc contains stubbed
# (non-functional) versions of the pthreads routines, so link-based
# tests will erroneously succeed. (We need to link with -pthread or
# -lpthread.) (The stubs are missing pthread_cleanup_push, or rather
# a function called by this macro, so we could check for that, but
# who knows whether they'll stub that too in a future libc.) So,
# we'll just look for -pthreads and -lpthread first:
acx_pthread_flags="-pthread -pthreads pthread -mt $acx_pthread_flags"
;;
esac
if test x"$acx_pthread_ok" = xno; then
for flag in $acx_pthread_flags; do
case $flag in
none)
AC_MSG_CHECKING([whether pthreads work without any flags])
;;
-*)
AC_MSG_CHECKING([whether pthreads work with $flag])
PTHREAD_CFLAGS="$flag"
;;
*)
AC_MSG_CHECKING([for the pthreads library -l$flag])
PTHREAD_LIBS="-l$flag"
;;
esac
save_LIBS="$LIBS"
save_CFLAGS="$CFLAGS"
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
# Check for various functions. We must include pthread.h,
# since some functions may be macros. (On the Sequent, we
# need a special flag -Kthread to make this header compile.)
# We check for pthread_join because it is in -lpthread on IRIX
# while pthread_create is in libc. We check for pthread_attr_init
# due to DEC craziness with -lpthreads. We check for
# pthread_cleanup_push because it is one of the few pthread
# functions on Solaris that doesn't have a non-functional libc stub.
# We try pthread_create on general principles.
AC_TRY_LINK([#include <pthread.h>],
[pthread_t th; pthread_join(th, 0);
pthread_attr_init(0); pthread_cleanup_push(0, 0);
pthread_create(0,0,0,0);
pthread_cancel(0); pthread_cleanup_pop(0); ],
[acx_pthread_ok=yes])
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
AC_MSG_RESULT($acx_pthread_ok)
if test "x$acx_pthread_ok" = xyes; then
break;
fi
PTHREAD_LIBS=""
PTHREAD_CFLAGS=""
done
fi
# Various other checks:
if test "x$acx_pthread_ok" = xyes; then
save_LIBS="$LIBS"
LIBS="$PTHREAD_LIBS $LIBS"
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
# Detect AIX lossage: threads are created detached by default
# and the JOINABLE attribute has a nonstandard name (UNDETACHED).
AC_MSG_CHECKING([for joinable pthread attribute])
AC_TRY_LINK([#include <pthread.h>],
[int attr=PTHREAD_CREATE_JOINABLE;],
ok=PTHREAD_CREATE_JOINABLE, ok=unknown)
if test x"$ok" = xunknown; then
AC_TRY_LINK([#include <pthread.h>],
[int attr=PTHREAD_CREATE_UNDETACHED;],
ok=PTHREAD_CREATE_UNDETACHED, ok=unknown)
fi
if test x"$ok" != xPTHREAD_CREATE_JOINABLE; then
AC_DEFINE(PTHREAD_CREATE_JOINABLE, $ok,
[Define to the necessary symbol if this constant
uses a non-standard name on your system.])
fi
AC_MSG_RESULT(${ok})
if test x"$ok" = xunknown; then
AC_MSG_WARN([we do not know how to create joinable pthreads])
fi
AC_MSG_CHECKING([if more special flags are required for pthreads])
flag=no
case "${host_cpu}-${host_os}" in
*-aix* | *-freebsd*) flag="-D_THREAD_SAFE";;
*solaris* | alpha*-osf*) flag="-D_REENTRANT";;
esac
AC_MSG_RESULT(${flag})
if test "x$flag" != xno; then
PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS"
fi
LIBS="$save_LIBS"
CFLAGS="$save_CFLAGS"
# More AIX lossage: must compile with cc_r
AC_CHECK_PROG(PTHREAD_CC, cc_r, cc_r, ${CC})
else
PTHREAD_CC="$CC"
fi
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(PTHREAD_CFLAGS)
AC_SUBST(PTHREAD_CC)
# Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND:
if test x"$acx_pthread_ok" = xyes; then
ifelse([$1],,AC_DEFINE(HAVE_PTHREAD,1,[Define if you have POSIX threads libraries and header files.]),[$1])
:
else
acx_pthread_ok=no
$2
fi
])
|
