Added -Wformat=2 - checks for some safety/security violations on format strings.

diff --git a/configure.ac b/configure.ac
index 4fd3c2d2efdf324b68a859de0bbf70ed1eeb1c43..44102861f29fa2f61dfb45ecaa7032fa9e5cff13 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -287,7 +287,7 @@ uint16_t x= htons(80);
   AS_IF([test "$building_from_bzr" = "yes"],
         [W_FAIL="-Werror"])
 
-  BASE_WARNINGS="-pedantic -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations -Wstrict-aliasing ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
+  BASE_WARNINGS="-pedantic -Wall -Wextra ${W_FAIL} -Wundef -Wshadow -Wmissing-declarations -Wstrict-aliasing -Wformat=2 ${F_DIAGNOSTICS_SHOW_OPTION} ${W_CONVERSION}"
   CC_WARNINGS="${BASE_WARNINGS} -Wstrict-prototypes -Wmissing-prototypes -Wredundant-decls -Wswitch-default -Wswitch-enum -Wcast-align"
   CXX_WARNINGS="${BASE_WARNINGS} -Woverloaded-virtual -Wnon-virtual-dtor -Wctor-dtor-privacy -Wold-style-cast -Weffc++ -Wno-long-long"