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-rw-r--r--openbsc/configure.in2
1 files changed, 1 insertions, 1 deletions
diff --git a/openbsc/configure.in b/openbsc/configure.in
index e9bc079b4..74b30448c 100644
--- a/openbsc/configure.in
+++ b/openbsc/configure.in
@@ -59,7 +59,7 @@ dnl Checks for typedefs, structures and compiler characteristics
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden "
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
-AC_COMPILE_IFELSE([char foo;],
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
[ AC_MSG_RESULT([yes])
SYMBOL_VISIBILITY="-fvisibility=hidden"],
AC_MSG_RESULT([no]))