add -Wwrite-strings in debug mode

[chaz/openbox] / m4 / openbox.m4

diff --git a/m4/openbox.m4 b/m4/openbox.m4
index a69a093d3eb71a5c51af4caf68bff372dd3ee0c9..796e2787106c9a2a9e81701f262ab5dc1f2600f1 100644 (file)
--- a/m4/openbox.m4
+++ b/m4/openbox.m4
@@ -64,7 +64,7 @@ AC_DEFUN([OB_COMPILER_FLAGS],
     if test "$GCC" = "yes"; then
        AC_MSG_RESULT([yes])
        if test "$DEBUG" = "yes"; then
-           FLAGS="$FLAGS -g -fno-inline"
+           FLAGS="$FLAGS -O0 -g -fno-inline -Wwrite-strings"
            FLAGS="$FLAGS -Wall -Wsign-compare -Waggregate-return"
            FLAGS="$FLAGS -Wcast-qual -Wbad-function-cast -Wpointer-arith"
             # for Python.h
@@ -73,6 +73,7 @@ AC_DEFUN([OB_COMPILER_FLAGS],
        if test "$STRICT" = "yes"; then
            FLAGS="$FLAGS -ansi -pedantic -D_XOPEN_SOURCE"
        fi
+       FLAGS="$FLAGS -fno-strict-aliasing"
     fi
     AC_MSG_CHECKING([for compiler specific flags])
     AC_MSG_RESULT([$FLAGS])