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-rw-r--r--testsuite/mk/boilerplate.mk2
1 files changed, 2 insertions, 0 deletions
diff --git a/testsuite/mk/boilerplate.mk b/testsuite/mk/boilerplate.mk
index 5f4a3e9c63..4bae8a11b8 100644
--- a/testsuite/mk/boilerplate.mk
+++ b/testsuite/mk/boilerplate.mk
@@ -1,3 +1,5 @@
+unexport MAKEFLAGS # See Trac #11569
+
# Eliminate use of the built-in implicit rules, and clear out the default list
# of suffixes for suffix rules. Speeds up make quite a bit. Both are needed
# for the shortest `make -d` output.