[commit: ghc] master: unexport MAKEFLAGS when running tests (#11569) (9634e24)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/ghc

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/9634e24519981c32b9c2a6570898b87aa9111405/ghc

>---------------------------------------------------------------

commit 9634e24519981c32b9c2a6570898b87aa9111405
Author: Thomas Miedema <thomasmiedema at gmail.com>
Date:   Sat Feb 20 21:09:12 2016 +0100

    unexport MAKEFLAGS when running tests (#11569)


>---------------------------------------------------------------

9634e24519981c32b9c2a6570898b87aa9111405
 testsuite/mk/boilerplate.mk | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/testsuite/mk/boilerplate.mk b/testsuite/mk/boilerplate.mk
index 5f4a3e9..4bae8a1 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.