add some more warning flags for debug builds

-Wno-write-strings so that "foo" is treated as a const char* not a char*.
-Wextra for more fun

diff --git a/m4/openbox.m4 b/m4/openbox.m4
index 86d3e0b5ce98f24b6d6e33f8ceb85257eaa1ab5e..862c6891bdf3d6b3eeac83f71630ff1733818499 100644 (file)
--- a/m4/openbox.m4
+++ b/m4/openbox.m4
@@ -77,6 +77,7 @@ AC_DEFUN([OB_COMPILER_FLAGS],
            FLAGS="$FLAGS -O0 -ggdb -fno-inline -Wwrite-strings"
            FLAGS="$FLAGS -Wall -Wsign-compare -Waggregate-return"
            FLAGS="$FLAGS -Wbad-function-cast -Wpointer-arith"
+           FLAGS="$FLAGS -Wno-write-strings -Wextra"
            # glib can't handle this flag
            # -Wcast-qual
             # for Python.h