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-rw-r--r--configure.in2
1 files changed, 2 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index f7f2f053731..aa729f8342f 100644
--- a/configure.in
+++ b/configure.in
@@ -1946,6 +1946,8 @@ else
AC_MSG_RESULT(no)
fi
+AC_FUNC_VFORK
+
# Set up the CFLAGS for real compilation, so we can substitute it.
CFLAGS="$REAL_CFLAGS"