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-rw-r--r--t/autohdr-subdir-pr12495.sh4
1 files changed, 4 insertions, 0 deletions
diff --git a/t/autohdr-subdir-pr12495.sh b/t/autohdr-subdir-pr12495.sh
index 7e26b4674..dcb962037 100644
--- a/t/autohdr-subdir-pr12495.sh
+++ b/t/autohdr-subdir-pr12495.sh
@@ -63,6 +63,10 @@ $MAKE
test -f a.h.in
test -f a.h
+# We might need to grep the output of GNU make for error messages.
+LANG=C LANGUAGE=C LC_ALL=C
+export LANG LANGUAGE LC_ALL
+
ocwd=$(pwd)
for x in b c; do
test $x = b || cd sub