build: enable -Wcast-qual -Wwrite-strings CFLAGS

We're pretty careful about using const these days, so enable these warnings to keep us that way.

build: enable -Wcast-qual -Wwrite-strings CFLAGS
b67bb05d · Eric Wong · Max Kellermann · 86d261bd · b67bb05d · b67bb05d
Commit b67bb05d authored Sep 07, 2008 by Eric Wong Committed by Max Kellermann Sep 07, 2008
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config.mk.default bs/config.mk.default +2 -1

configure.ac configure.ac +2 -0

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--- a/bs/config.mk.default
+++ b/bs/config.mk.default
@@ -10,7 +10,8 @@ CC = gcc
 CFLAGS = -O2 -Wall \
 -Wmissing-prototypes -Wextra -Wno-unused-parameter \
 -Wno-deprecated-declarations -Wmissing-prototypes \
- -Wdeclaration-after-statement -Wshadow
+ -Wdeclaration-after-statement -Wshadow -Wpointer-arith \
+ -Wstrict-prototypes -Wcast-qual -Wwrite-strings

 LDFLAGS = -Wl,-O1


--- a/configure.ac
+++ b/configure.ac
@@ -32,6 +32,8 @@ then
 	MPD_CHECK_FLAG([-Wshadow])
 	MPD_CHECK_FLAG([-Wpointer-arith])
 	MPD_CHECK_FLAG([-Wstrict-prototypes])
+	MPD_CHECK_FLAG([-Wcast-qual])
+	MPD_CHECK_FLAG([-Wwrite-strings])
 fi

 if test -z "$prefix" || test "x$prefix" = xNONE; then