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-rw-r--r--configure.ac3
1 files changed, 3 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 4af457d..f55f47a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -13,6 +13,9 @@ if test "x$GCC" = xyes ; then
CFLAGS="$CFLAGS -O3"
fi
+dnl somebody will forgive me
+CFLAGS="-D_GNU_SOURCE"
+
m4_include([libeio.m4])
AC_CONFIG_FILES([Makefile])