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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index af49a2746..80db4096b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -468,6 +468,7 @@ CC_CHECK_CFLAGS([-Wstrict-aliasing=2], [warnflags="$warnflags -Wstrict-aliasing=
CC_CHECK_CFLAGS([-Wchar-subscripts], [warnflags="$warnflags -Wchar-subscripts"])
CC_CHECK_CFLAGS([-Wmissing-declarations], [warnflags="$warnflags -Wmissing-declarations"])
CC_CHECK_CFLAGS([-Wmissing-prototypes], [warnflags="$warnflags -Wmissing-prototypes"])
+CC_CHECK_CFLAGS([-Wwrite-strings], [warnflags="$warnflags -Wwrite-strings"])
dnl Some combinations of gcc and glibc produce useless warnings on memset when
dnl compiling with -Wpointer-arith, so check for this first.