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-rw-r--r--configure.ac2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index f44e26c..13d6b20 100644
--- a/configure.ac
+++ b/configure.ac
@@ -24,6 +24,8 @@ LIBPLIST_VERSION=1.11
AC_SUBST(LIBUSBMUXD_SO_VERSION)
AC_SUBST(LIBPLIST_VERSION)
+AC_GNU_SOURCE
+
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX