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Diffstat (limited to 't/spy-foreach.sh')
| -rw-r--r-- | t/spy-foreach.sh | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/t/spy-foreach.sh b/t/spy-foreach.sh new file mode 100644 index 000000000..5d1d03fa6 --- /dev/null +++ b/t/spy-foreach.sh @@ -0,0 +1,39 @@ +#! /bin/sh +# Copyright (C) 2012-2015 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Verify that iterating variable used in a $(foreach ...) builtin is +# only temporary, and restored to its previous variable if it was already +# set. + +am_create_testdir=empty +. test-init.sh + +cat > Makefile <<'END' +$(foreach x,1 2,$(warning foo-$(x))$(eval y:=$$(x))) +$(foreach u,oops ko,$(warning bar-$(u))$(eval v=$(u))) +test: + test .'$(x)' = . + test .'$(origin x)' = .'undefined' + test .'$(y)' = .2 + test .'$(v)' = .ko + test .'$(u)' = .ok + test .'$(origin u)' = .'command line' +END + +x= y= u= v=; unset x y u v +$MAKE test u=ok + +: |