Add -Wformat-security to --enable-warnings=fatal.

murraycu · murraycu · commit ce298341c1c5 · 2015-07-20T11:10:18.000+02:00
Because we use it in glibmm too. No code changes were necessary.
diff --git a/configure.ac b/configure.ac
@@ -44,7 +44,7 @@ MM_ARG_WITH_TAGFILE_DOC([glibmm-2.4.tag], [glibmm-2.4])
 # Evaluate the --enable-warnings=level option.
 MM_ARG_ENABLE_WARNINGS([LIBXMLXX_WXXFLAGS],
         [-Wall],
-        [-pedantic -Wall -Wextra -Wshadow -Wno-long-long],
+        [-pedantic -Wall -Wextra -Wformat-security -Wshadow -Wno-long-long],
         [G GLIBMM SIGCXX])
 
 # Offer the ability to omit some API from the library.
