diff -Naur kernel/conftest.sh kernel/conftest.sh
    --- kernel/conftest.sh       2019-10-18 19:40:32.256867243 +0200
    +++ kernel/conftest.sh   2019-10-17 23:51:22.206328310 +0200
@@ -70,7 +70,7 @@
         CODE="#include <$file>"

         echo "$CODE" > conftest_headers$$.c
-        $CC $CFLAGS -c conftest_headers$$.c > conftest_headers$$.log 2>&1
+        LANGUAGE=C $CC $CFLAGS -c conftest_headers$$.c > conftest_headers$$.log 2>&1

         if [ -f conftest_headers$$.o ]; then
                 rm -f conftest_headers$$.o