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Diffstat (limited to 't/var-undef-append.sh')
-rw-r--r-- | t/var-undef-append.sh | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/t/var-undef-append.sh b/t/var-undef-append.sh new file mode 100644 index 000000000..7c67d2546 --- /dev/null +++ b/t/var-undef-append.sh @@ -0,0 +1,100 @@ +#! /bin/sh +# Copyright (C) 2012-2014 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/>. + +# Automake should allow us top append to undefined variables, for +# consistency with GNU make. For the same reason, if we override +# a variable definition from the command line, any '+=' appending +# to it should get overridden as well. +# See also "spy" test 'spy-var-append.sh'. + +. test-init.sh + +cat >> configure.ac << 'END' +AM_CONDITIONAL([COND_NO], [false]) +AM_CONDITIONAL([COND_YES], [:]) +AM_CONDITIONAL([COND_YES2], [:]) +AC_OUTPUT +END + +cat > Makefile.am << 'END' +var0 += foo0 + +if COND_NO +var00 += foo00 +endif + +if COND_YES +if COND_YES2 +var000 += foo000 +endif +endif + +if COND_NO +var1 = oops +endif +var1 += bar +if COND_YES +var1 += baz +endif +if COND_NO +var1 += oops +endif + +if COND_YES +var2 = a +endif +var2 += b + +if COND_YES +var3 := c +endif +var3 += d + +var4 = cuckoo +var4 += nightingale + +.PHONY: test1 test2 +test1: + test x'$(var0)' = x'foo0' + test x'$(var00)' = x'' + test x'$(var000)' = x'foo000' + test x'$(var1)' = x'bar baz' + test x'$(var2)' = x'a b' + test x'$(var3)' = x'c d' + test x'$(var4)' = x'cuckoo nightingale' +test2: + test x'$(var0)' = x + test x'$(var1)' = x'one' + test x'$(var2)' = x'two' + test x'$(var3)' = x'three' + test x'$(var4)' = x'' +END + +$ACLOCAL +$AUTOMAKE +$AUTOCONF + +./configure + +checkit () +{ + run_make -E -- "$@" && test ! -s stderr +} + +checkit test1 +checkit test2 var0= var1=one var2=two var3=three var4= + +: |