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dnl Checks for libfcache required headers and functions
dnl
dnl Version: 20240514
dnl Function to detect if libfcache is available
dnl ac_libfcache_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBFCACHE_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libfcache" = xno],
[ac_cv_libfcache=no],
[ac_cv_libfcache=check
dnl Check if the directory provided as parameter exists
dnl For both --with-libfcache which returns "yes" and --with-libfcache= which returns ""
dnl treat them as auto-detection.
AS_IF(
[test "x$ac_cv_with_libfcache" != x && test "x$ac_cv_with_libfcache" != xauto-detect && test "x$ac_cv_with_libfcache" != xyes],
[AX_CHECK_LIB_DIRECTORY_EXISTS([libfcache])],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libfcache],
[libfcache >= 20191109],
[ac_cv_libfcache=yes],
[ac_cv_libfcache=check])
])
AS_IF(
[test "x$ac_cv_libfcache" = xyes],
[ac_cv_libfcache_CPPFLAGS="$pkg_cv_libfcache_CFLAGS"
ac_cv_libfcache_LIBADD="$pkg_cv_libfcache_LIBS"])
])
AS_IF(
[test "x$ac_cv_libfcache" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libfcache.h])
AS_IF(
[test "x$ac_cv_header_libfcache_h" = xno],
[ac_cv_libfcache=no],
[ac_cv_libfcache=yes
AX_CHECK_LIB_FUNCTIONS(
[libfcache],
[fcache],
[[libfcache_get_version],
[libfcache_cache_initialize],
[libfcache_cache_free],
[libfcache_cache_clone],
[libfcache_cache_clear],
[libfcache_cache_get_number_of_entries],
[libfcache_cache_get_number_of_cache_values],
[libfcache_cache_clear_value_by_index],
[libfcache_cache_get_value_by_identifier],
[libfcache_cache_get_value_by_index],
[libfcache_cache_set_value_by_identifier],
[libfcache_cache_set_value_by_index],
[libfcache_cache_value_free],
[libfcache_cache_value_clear],
[libfcache_cache_value_get_identifier],
[libfcache_cache_value_set_identifier],
[libfcache_cache_value_get_value],
[libfcache_cache_value_set_value],
[libfcache_date_time_get_timestamp]])
ac_cv_libfcache_LIBADD="-lfcache"])
])
AX_CHECK_LIB_DIRECTORY_MSG_ON_FAILURE([libfcache])
])
AS_IF(
[test "x$ac_cv_libfcache" = xyes],
[AC_DEFINE(
[HAVE_LIBFCACHE],
[1],
[Define to 1 if you have the `fcache' library (-lfcache).])
])
AS_IF(
[test "x$ac_cv_libfcache" = xyes],
[AC_SUBST(
[HAVE_LIBFCACHE],
[1]) ],
[AC_SUBST(
[HAVE_LIBFCACHE],
[0])
])
])
dnl Function to detect if libfcache dependencies are available
AC_DEFUN([AX_LIBFCACHE_CHECK_LOCAL],
[dnl Types used in libfcache/libfcache_date_time.h
AC_STRUCT_TM
dnl Headers included in libfcache/libfcache_date_time.h
AC_CHECK_HEADERS([sys/time.h])
dnl Date and time functions used in libfcache/libfcache_date_time.h
AC_CHECK_FUNCS([clock_gettime time])
AS_IF(
[test "x$ac_cv_func_time" != xyes],
[AC_MSG_FAILURE(
[Missing function: time],
[1])
])
ac_cv_libfcache_CPPFLAGS="-I../libfcache -I\$(top_srcdir)/libfcache";
ac_cv_libfcache_LIBADD="../libfcache/libfcache.la";
ac_cv_libfcache=local
])
dnl Function to detect how to enable libfcache
AC_DEFUN([AX_LIBFCACHE_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libfcache],
[libfcache],
[search for libfcache in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
dnl Check for a shared library version
AX_LIBFCACHE_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libfcache" != xyes],
[AX_LIBFCACHE_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBFCACHE],
[1],
[Define to 1 if the local version of libfcache is used.])
AC_SUBST(
[HAVE_LOCAL_LIBFCACHE],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBFCACHE],
[test "x$ac_cv_libfcache" = xlocal])
AS_IF(
[test "x$ac_cv_libfcache_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBFCACHE_CPPFLAGS],
[$ac_cv_libfcache_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libfcache_LIBADD" != "x"],
[AC_SUBST(
[LIBFCACHE_LIBADD],
[$ac_cv_libfcache_LIBADD])
])
AS_IF(
[test "x$ac_cv_libfcache" = xyes],
[AC_SUBST(
[ax_libfcache_pc_libs_private],
[-lfcache])
])
AS_IF(
[test "x$ac_cv_libfcache" = xyes],
[AC_SUBST(
[ax_libfcache_spec_requires],
[libfcache])
AC_SUBST(
[ax_libfcache_spec_build_requires],
[libfcache-devel])
])
])
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