-[
- AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBUUID], 1, [Has libuuid support.])
- link_with_libuuid=no
-],
-[
-# First, check the pkg-config module is available, otherwise explicitly check
-# for libuuid, or uuid support in the C-library.
-PKG_CHECK_MODULES([UUID], [uuid],
-[
- LIBS="$LIBS $UUID_LIBS"
- AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBUUID], 1, [Has libuuid support.])
- link_with_libuuid=yes
-],
-[
- # Check for libuuid
- AC_CHECK_LIB([uuid],
- [uuid_generate],
- [
- AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBUUID], 1, [Has libuuid support.])
- link_with_libuuid=yes
- ],
- [
- # libuuid not found, check for uuid_create in libc.
- AC_CHECK_LIB([c],
- [uuid_create],
- [
- AC_DEFINE_UNQUOTED([LTTNG_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
- link_with_libc_uuid=yes
- ],
- [
- AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
- ]
- )
- ]
- )
-])
-])
+ [
+ AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+ UUID_LIBS=""
+ ],
+ [
+ # Then, check if the pkg-config module is available, otherwise explicitly check
+ # for libuuid, or uuid support in the C-library.
+ PKG_CHECK_MODULES([UUID], [uuid],
+ [
+ AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+ dnl PKG_CHECK_MODULES defines UUID_LIBS
+ ],
+ [
+ AC_MSG_WARN([pkg-config was unable to find a valid .pc for libuuid. Set PKG_CONFIG_PATH to specify the pkgconfig configuration file location])
+ AC_MSG_WARN([Finding libuuid without pkg-config.])
+ AC_CHECK_LIB([uuid], [uuid_generate],
+ [
+ AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+ UUID_LIBS="-luuid"
+ ],
+ [
+ # libuuid not found, check for uuid_create in libc.
+ AC_CHECK_LIB([c], [uuid_create],
+ [
+ AC_DEFINE([LTTNG_HAVE_LIBUUID], [1])
+ UUID_LIBS="-lc"
+ ],
+ [
+ AC_MSG_FAILURE([Cannot find libuuid uuid_generate nor libc uuid_create. Either set PKG_CONFIG_PATH to the configuration file location or use LDFLAGS=-Ldir to specify the library location])
+ ]
+ )
+ ]
+ )
+ ]
+ )
+ ]
+)
+AC_SUBST(UUID_LIBS)