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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 3ba1386..1552c15 100644
--- a/configure.ac
+++ b/configure.ac
@@ -53,7 +53,7 @@ AS_IF([test "x${prefix}" = "xNONE"], [
# ================
# Check for cflags
# ================
-CFLAGS="-D_GNU_SOURCE -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64"
+CFLAGS="$CFLAGS -D_GNU_SOURCE -Wall -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64"
AC_ARG_ENABLE([werror],
[AS_HELP_STRING([--enable-werror], [Treat all warnings as errors, useful for development])],
[enable_werror="$enableval"],