+AC_SUBST(POPT_LIBS)
+
+PKG_CHECK_MODULES([libxml2], [libxml-2.0 >= 2.7.6])
+
+# First, check for uuid in system libs
+AH_TEMPLATE([LTTNG_HAVE_LIBUUID], [Define if you have libuuid support])
+AC_CHECK_FUNCS([uuid_generate],
+ [
+ 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)