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libcthreads.m4
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dnl Checks for libcthreads required headers and functions
dnl
dnl Version: 20190308
dnl Function to detect if libcthreads is available
dnl ac_libcthreads_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBCTHREADS_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libcthreads" = xno],
[ac_cv_libcthreads=no],
[ac_cv_libcthreads=check
dnl Check if the directory provided as parameter exists
AS_IF(
[test "x$ac_cv_with_libcthreads" != x && test "x$ac_cv_with_libcthreads" != xauto-detect],
[AS_IF(
[test -d "$ac_cv_with_libcthreads"],
[CFLAGS="$CFLAGS -I${ac_cv_with_libcthreads}/include"
LDFLAGS="$LDFLAGS -L${ac_cv_with_libcthreads}/lib"],
[AC_MSG_FAILURE(
[no such directory: $ac_cv_with_libcthreads],
[1])
])
],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libcthreads],
[libcthreads >= 20160404],
[ac_cv_libcthreads=yes],
[ac_cv_libcthreads=check])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[ac_cv_libcthreads_CPPFLAGS="$pkg_cv_libcthreads_CFLAGS"
ac_cv_libcthreads_LIBADD="$pkg_cv_libcthreads_LIBS"])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libcthreads.h])
AS_IF(
[test "x$ac_cv_header_libcthreads_h" = xno],
[ac_cv_libcthreads=no],
[dnl Check for the individual functions
ac_cv_libcthreads=yes
AC_CHECK_LIB(
cthreads,
libcthreads_get_version,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Thread functions
AC_CHECK_LIB(
cthreads,
libcthreads_thread_create,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_thread_join,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Thread attributes functions
AC_CHECK_LIB(
cthreads,
libcthreads_thread_attributes_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_thread_attributes_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Condition functions
AC_CHECK_LIB(
cthreads,
libcthreads_condition_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_condition_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_condition_broadcast,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_condition_signal,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_condition_wait,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Lock functions
AC_CHECK_LIB(
cthreads,
libcthreads_lock_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_lock_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_lock_grab,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_lock_release,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Mutex functions
AC_CHECK_LIB(
cthreads,
libcthreads_mutex_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_mutex_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_mutex_grab,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_mutex_try_grab,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_mutex_release,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Read/Write lock functions
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_grab_for_read,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_grab_for_write,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_release_for_read,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_read_write_lock_release_for_write,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Queue functions
AC_CHECK_LIB(
cthreads,
libcthreads_queue_initialize,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_free,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_type_pop,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_pop,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_try_push,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_push,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_queue_push_sorted,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
dnl Thread pool functions
AC_CHECK_LIB(
cthreads,
libcthreads_thread_pool_create,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_thread_pool_push,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_thread_pool_push_sorted,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
AC_CHECK_LIB(
cthreads,
libcthreads_thread_pool_join,
[ac_cv_libcthreads_dummy=yes],
[ac_cv_libcthreads=no])
ac_cv_libcthreads_LIBADD="-lcthreads"])
])
AS_IF(
[test "x$ac_cv_with_libcthreads" != x && test "x$ac_cv_with_libcthreads" != xauto-detect && test "x$ac_cv_libcthreads" != xyes],
[AC_MSG_FAILURE(
[unable to find supported libcthreads in directory: $ac_cv_with_libcthreads],
[1])
])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[AC_DEFINE(
[HAVE_LIBCTHREADS],
[1],
[Define to 1 if you have the `cthreads' library (-lcthreads).])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[ac_cv_libcthreads_multi_threading=libcthreads],
[ac_cv_libcthreads_multi_threading=no])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[AC_SUBST(
[HAVE_LIBCTHREADS],
[1]) ],
[AC_SUBST(
[HAVE_LIBCTHREADS],
[0])
])
])
dnl Function to detect if libcthreads dependencies are available
AC_DEFUN([AX_LIBCTHREADS_CHECK_LOCAL],
[AS_IF(
[test "x$ac_cv_enable_winapi" = xno],
[dnl Check for enabling pthread support
AX_PTHREAD_CHECK_ENABLE
ac_cv_libcthreads_multi_threading=$ac_cv_pthread],
[ac_cv_libcthreads_multi_threading="winapi"])
AS_IF(
[test "x$ac_cv_libcthreads_multi_threading" != xno],
[ac_cv_libcthreads_CPPFLAGS="-I../libcthreads";
ac_cv_libcthreads_LIBADD="../libcthreads/libcthreads.la";
ac_cv_libcthreads=local],
[ac_cv_libcthreads=no])
])
dnl Function to detect how to enable libcthreads
AC_DEFUN([AX_LIBCTHREADS_CHECK_ENABLE],
[AX_COMMON_ARG_ENABLE(
[multi-threading-support],
[multi_threading_support],
[enable multi-threading support],
[yes])
AX_COMMON_ARG_WITH(
[libcthreads],
[libcthreads],
[search for libcthreads in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
AS_IF(
[test "x$ac_cv_enable_multi_threading_support" = xno],
[ac_cv_libcthreads="no"
ac_cv_libcthreads_multi_threading="no"],
[dnl Check for a shared library version
AX_LIBCTHREADS_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libcthreads" != xyes],
[AX_LIBCTHREADS_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBCTHREADS],
[1],
[Define to 1 if the local version of libcthreads is used.])
AC_SUBST(
[HAVE_LOCAL_LIBCTHREADS],
[1])
])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBCTHREADS],
[test "x$ac_cv_libcthreads" = xlocal])
AS_IF(
[test "x$ac_cv_libcthreads_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBCTHREADS_CPPFLAGS],
[$ac_cv_libcthreads_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libcthreads_LIBADD" != "x"],
[AC_SUBST(
[LIBCTHREADS_LIBADD],
[$ac_cv_libcthreads_LIBADD])
])
AS_IF(
[test "x$ac_cv_libcthreads" != xno],
[AC_DEFINE(
[HAVE_MULTI_THREAD_SUPPORT],
[1],
[Define to 1 if multi thread support should be used.])
AC_SUBST(
[HAVE_MULTI_THREAD_SUPPORT],
[1]) ],
[AC_SUBST(
[HAVE_MULTI_THREAD_SUPPORT],
[0])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[AC_SUBST(
[ax_libcthreads_pc_libs_private],
[-lcthreads])
])
AS_IF(
[test "x$ac_cv_libcthreads" = xyes],
[AC_SUBST(
[ax_libcthreads_spec_requires],
[libcthreads])
AC_SUBST(
[ax_libcthreads_spec_build_requires],
[libcthreads-devel])
])
])