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|
# LIBPTHREAD_CHECK_CONFIG ([DEFAULT-ACTION])
# ----------------------------------------------------------
#
# Checks for pthread.
#
# This macro sets @LIBPTHREAD_LDFLAGS@, @LIBPTHREAD_CFLAGS@ and @LIBPTHREAD_LIBS@ to the necessary
# values.
#
# This macro is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
AC_DEFUN([LIBPTHREAD_TRY_LINK],
[
AC_TRY_LINK(
[
#include <pthread.h>
],
[
pthread_mutexattr_t mta;
pthread_mutex_t mutex;
pthread_mutexattr_init(&mta);
pthread_mutex_init(&mutex, &mta);
],
found_libpthread="yes")
])dnl
AC_DEFUN([LIBPTHREAD_TRY_RUN],
[
AC_RUN_IFELSE(
[
AC_LANG_SOURCE(
#include <pthread.h>
int main()
{
pthread_mutexattr_t mta;
pthread_rwlockattr_t rwa;
pthread_mutex_t mutex;
pthread_rwlock_t rwlock;
if (0 != pthread_mutexattr_init(&mta))
return 1;
if (0 != pthread_mutexattr_setpshared(&mta, PTHREAD_PROCESS_SHARED))
return 2;
if (0 != pthread_mutex_init(&mutex, &mta))
return 3;
if (0 != pthread_rwlockattr_init(&rwa))
return 4;
if (0 != pthread_rwlockattr_setpshared(&rwa, PTHREAD_PROCESS_SHARED))
return 5;
if (0 != pthread_rwlock_init(&rwlock, &rwa))
return 6;
return 0;
}
)
]
,
found_libpthread_process_shared="yes",
found_libpthread_process_shared="no",
found_libpthread_process_shared="no" dnl action-if-cross-compiling
)
])
AC_DEFUN([LIBPTHREAD_CHECK_CONFIG],
[
AC_ARG_WITH([libpthread],[
If you want to specify pthread installation directories:
AC_HELP_STRING([--with-libpthread@<:@=DIR@:>@], [use libpthread from given base install directory (DIR), default is to search through a number of common places for the libpthread files.])],
[
test "x$withval" = "xyes" && withval=/usr
LIBPTHREAD_CFLAGS="-I$withval/include"
LIBPTHREAD_LDFLAGS="-L$withval/lib"
_libpthread_dir_set="yes"
]
)
AC_ARG_WITH([libpthread-include],
AC_HELP_STRING([--with-libpthread-include@<:@=DIR@:>@],
[use libpthread include headers from given path.]
),
[
LIBPTHREAD_CFLAGS="-I$withval"
_libpthread_dir_set="yes"
]
)
AC_ARG_WITH([libpthread-lib],
AC_HELP_STRING([--with-libpthread-lib@<:@=DIR@:>@],
[use libpthread libraries from given path.]
),
[
LIBPTHREAD_LDFLAGS="-L$withval"
_libpthread_dir_set="yes"
]
)
AC_CHECK_HEADER([pthread.h],[found_libpthread=yes])
LIBPTHREAD_LIBS="-lpthread"
AC_MSG_CHECKING(for process shared libpthread support)
if test -n "$_libpthread_dir_set" -o "x$found_libpthread" = xyes; then
found_libpthread="yes"
elif test -f /usr/local/include/pthread.h; then
LIBPTHREAD_CFLAGS="-I/usr/local/include"
LIBPTHREAD_LDFLAGS="-L/usr/local/lib"
found_libpthread="yes"
elif test -f /usr/pkg/include/pthread.h; then
LIBPTHREAD_CFLAGS="-I/usr/pkg/include"
LIBPTHREAD_LDFLAGS="-L/usr/pkg/lib"
LIBPTHREAD_LDFLAGS="$LIBPTHREAD_LDFLAGS -Wl,-R/usr/pkg/lib"
found_libpthread="yes"
elif test -f /opt/csw/include/pthread.h; then
LIBPTHREAD_CFLAGS="-I/opt/csw/include"
LIBPTHREAD_LDFLAGS="-L/opt/csw/lib"
if $(echo "$CFLAGS"|grep -q -- "-m64") ; then
LIBPTHREAD_LDFLAGS="$LIBPTHREAD_LDFLAGS/64 -Wl,-R/opt/csw/lib/64"
else
LIBPTHREAD_LDFLAGS="$LIBPTHREAD_LDFLAGS -Wl,-R/opt/csw/lib"
fi
found_libpthread="yes"
else
found_libpthread="no"
AC_MSG_RESULT(no)
fi
if test "x$found_libpthread" = "xyes"; then
am_save_CFLAGS="$CFLAGS"
am_save_LDFLAGS="$LDFLAGS"
am_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $LIBPTHREAD_CFLAGS"
LDFLAGS="$LDFLAGS $LIBPTHREAD_LDFLAGS"
LIBS="$LIBS $LIBPTHREAD_LIBS"
found_libpthread="no"
found_libpthread_process_shared="no"
LIBPTHREAD_TRY_LINK([no])
LIBPTHREAD_TRY_RUN([no])
CFLAGS="$am_save_CFLAGS"
LDFLAGS="$am_save_LDFLAGS"
LIBS="$am_save_LIBS"
fi
if test "x$found_libpthread" = "xyes"; then
if test "x$found_libpthread_process_shared" = "xyes"; then
AC_DEFINE([HAVE_PTHREAD_PROCESS_SHARED], 1, [Define to 1 if you have the 'libpthread' library that supports PTHREAD_PROCESS_SHARED flag (-lpthread)])
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
fi
else
AC_MSG_RESULT(no)
LIBPTHREAD_CFLAGS=""
LIBPTHREAD_LDFLAGS=""
LIBPTHREAD_LIBS=""
fi
AC_SUBST(LIBPTHREAD_CFLAGS)
AC_SUBST(LIBPTHREAD_LDFLAGS)
AC_SUBST(LIBPTHREAD_LIBS)
])dnl
|
