Casting "const" away is often an indicator for wrong code.
Add a compiler flag to warn about such possible breakage.
Signed-off-by: Martin Wilck <mwi...@suse.com>
---
Makefile.inc | 1 +
1 file changed, 1 insertion(+)
diff --git a/Makefile.inc b/Makefile.inc
index eb99c36010c1..a5b9d4e3fa74 100644
--- a/Makefile.inc
+++ b/Makefile.inc
@@ -87,6 +87,7 @@ STACKPROT := $(call
TEST_CC_OPTION,-fstack-protector-strong,-fstack-protector)
OPTFLAGS = -O2 -g -pipe -Wall -Wextra -Wformat=2 -Werror=implicit-int \
-Werror=implicit-function-declaration -Werror=format-security
\
-Wno-sign-compare -Wno-unused-parameter -Wno-clobbered \
+ -Werror=cast-qual -Werror=discarded-qualifiers \
-Wp,-D_FORTIFY_SOURCE=2 $(STACKPROT) \
--param=ssp-buffer-size=4
--
2.16.1
--
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