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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 cb68940..761e37a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -220,7 +220,7 @@ AM_CONDITIONAL([USE_BGR_DEPS], [test "x$have_bgr_deps" = "xyes"])
BASH="$ac_cv_path_bash"
AC_SUBST(BASH)
-AC_CHECK_HEADERS([sys/resource.h sys/stat.h sys/time.h sys/wait.h time.h])
+AC_CHECK_HEADERS([sys/resource.h sys/stat.h sys/time.h sys/wait.h time.h unistd.h])
LT_LIB_M