2 # Copyright (C) 1998-2012 Free Software Foundation, Inc.
4 # This program is free software; you can redistribute it and/or modify
5 # it under the terms of the GNU General Public License as published by
6 # the Free Software Foundation; either version 2, or (at your option)
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
17 # Removing subdir objects does not cause too much 'rm' invocations.
18 # Also, if we rename a source file in a subdirectory, the stale
19 # compiled object corresponding to the old name still gets removed by
20 # "make mostlyclean". See automake bug#10697.
21 # This is the non-libtool case. Keep this test in sync with sister test
22 # 'subobj-clean-lt-pr10697.sh', which deals with the libtool case.
27 cat >> configure.ac << 'END'
30 AC_CONFIG_FILES([get-objext.sh:get-objext.in])
34 echo "OBJEXT='@OBJEXT@'" > get-objext.in
37 ocwd=$(pwd) || fatal_ "getting current working directory"
39 # An rm(1) wrapper that fails when invoked too many times.
42 count_file=$ocwd/rm-wrap/count
43 cat > rm-wrap/rm <<END
44 #!$AM_TEST_RUNNER_SHELL -e
45 count=\$((\$(cat '$count_file') + 1))
46 test \$count -le $max_rm_invocations || {
47 echo "rm invoked more than $max_rm_invocations times" >&2
50 echo "\$count" > '$count_file'
51 PATH='$oPATH'; export PATH
55 echo "0" > rm-wrap/count
57 cat > Makefile.am <<'END'
58 .PHONY: sanity-check-rm
64 echo "0" > rm-wrap/count
66 AUTOMAKE_OPTIONS = subdir-objects
85 echo 'int main (void)' > main.c
88 for j in a b c d e f; do
89 echo "void $j$i (void) { }" > sub$i/$j.c
90 echo " $j$i ();" >> main.c
93 echo ' return 0;' >> main.c
95 cat main.c # For debugging.
103 test -f get-objext.sh
108 # This must go after configure, since that will invoke rm many times.
109 PATH=$ocwd/rm-wrap$PATH_SEPARATOR$PATH; export PATH
110 $MAKE sanity-check-rm || fatal_ "rm wrapper doesn't work as expected"
115 for j in a b c d e f; do
117 test ! -f sub$i/$j.obj
118 test -f sub$i/$j.c || Exit 99 # Sanity check
122 PATH=$oPATH; export PATH
127 test -f sub1/a.$OBJEXT
128 test -f sub2/d.$OBJEXT
132 mv -f sub2/d.c sub2/x.c
135 sed -e '/ a1 ()/d' main.c > t
138 sed -e '/sub1\/a\.c/d' -e 's|sub2/d\.c|sub2/x.c|' Makefile.am > t
141 using_gmake || $MAKE Makefile
143 test -f sub2/x.$OBJEXT
145 # The stale objects are still there after a mere "make all" ...
146 test -f sub1/a.$OBJEXT
147 test -f sub2/a.$OBJEXT
149 # ... but they get removed by "make mostlyclean" ...
151 test ! -f sub1/a.$OBJEXT
152 test ! -f sub2/d.$OBJEXT
154 # ... and do not get rebuilt ...
157 test ! -f sub1/a.$OBJEXT
158 test ! -f sub2/d.$OBJEXT
160 # ... while the non-stale files do.
161 test -f sub1/b.$OBJEXT
162 test -f sub2/x.$OBJEXT