libmount: provide version as int for better compiletime test

Signed-off-by: Søren Holm <sgh@sgh.dk>

Makefile.am

@@ -120,6 +120,9 @@ edit_cmd = sed \
 	 -e 's|@ADJTIME_PATH[@]|$(ADJTIME_PATH)|g' \
 	 -e 's|@LIBUUID_VERSION[@]|$(LIBUUID_VERSION)|g' \
 	 -e 's|@LIBMOUNT_VERSION[@]|$(LIBMOUNT_VERSION)|g' \
+	 -e 's|@LIBMOUNT_MAJOR_VERSION[@]|$(LIBMOUNT_MAJOR_VERSION)|g' \
+	 -e 's|@LIBMOUNT_MINOR_VERSION[@]|$(LIBMOUNT_MINOR_VERSION)|g' \
+	 -e 's|@LIBMOUNT_PATCH_VERSION[@]|$(LIBMOUNT_PATCH_VERSION)|g' \
 	 -e 's|@LIBSMARTCOLS_VERSION[@]|$(LIBSMARTCOLS_VERSION)|g' \
 	 -e 's|@LIBBLKID_VERSION[@]|$(LIBBLKID_VERSION)|g'
 

configure.ac

@@ -806,6 +806,9 @@ AM_CONDITIONAL([BUILD_LIBMOUNT], [test "x$build_libmount" = xyes])
 AM_CONDITIONAL([BUILD_LIBMOUNT_TESTS], [test "x$build_libmount" = xyes -a "x$enable_static" = xyes])
 
 AC_SUBST([LIBMOUNT_VERSION])
+AC_SUBST([LIBMOUNT_MAJOR_VERSION], $PACKAGE_VERSION_MAJOR)
+AC_SUBST([LIBMOUNT_MINOR_VERSION], $PACKAGE_VERSION_MINOR)
+AC_SUBST([LIBMOUNT_PATCH_VERSION], $PACKAGE_VERSION_RELEASE)
 AC_SUBST([LIBMOUNT_VERSION_INFO])
 AC_DEFINE_UNQUOTED([LIBMOUNT_VERSION], ["$LIBMOUNT_VERSION"], [libmount version string])
 

libmount/src/libmount.h.in

@@ -30,6 +30,9 @@ extern "C" {
 #include <sys/types.h>
 
 #define LIBMOUNT_VERSION   "@LIBMOUNT_VERSION@"
+#define LIBMOUNT_MAJOR_VERSION   @LIBMOUNT_MAJOR_VERSION@
+#define LIBMOUNT_MINOR_VERSION   @LIBMOUNT_MINOR_VERSION@
+#define LIBMOUNT_PATCH_VERSION   @LIBMOUNT_PATCH_VERSION@
 
 /**
  * libmnt_cache: