[dm-devel] [PATCH v2 09/23] multipath-tools: Makefile.inc: use -Werror=cast-qual

[Martin Wilck]

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 <mwilck at suse.com>
Reviewed-by: Benjamin Marzinski <bmarzins at redhat.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