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-rw-r--r--configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.in b/configure.in
index 4729c095e..27deb0898 100644
--- a/configure.in
+++ b/configure.in
@@ -474,7 +474,7 @@ AC_LANG([C])
# -Werror-implicit-function-declaration -Wtrampolines
# -Wjump-misses-init
-CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wextra -Wno-sign-compare"
+CFLAGS="$CFLAGS -pipe -ffast-math -Wall -Wextra -Wno-sign-compare -std=c99"
CPPFLAGS="$CPPFLAGS -I../common"
LDFLAGS="$LDFLAGS"