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=$ocwd/rm-wrap/count
43 cat > rm-wrap/rm <<END
46 count=\`cat '$count_file'\`
47 count=\`expr \$count + 1\`
48 if test \$count -le $max_rm_invocations; then :; else
49 echo "rm invoked more than $max_rm_invocations times" >&2
52 echo "\$count" > '$count_file'
53 PATH='$oPATH'; export PATH
57 echo "0" > rm-wrap/count
59 cat > Makefile.am <<'END'
60 .PHONY: sanity-check-rm
66 echo "0" > rm-wrap/count
68 AUTOMAKE_OPTIONS = subdir-objects
87 echo 'int main (void)' > main.c
90 for j in a b c d e f; do
91 echo "void $j$i (void) { }" > sub$i/$j.c
92 echo " $j$i ();" >> main.c
95 echo ' return 0;' >> main.c
97 cat main.c # For debugging.
105 test -f get-objext.sh
110 # This must go after configure, since that will invoke rm many times.
111 PATH=$ocwd/rm-wrap:$PATH; export PATH
112 $MAKE sanity-check-rm || fatal_ "rm wrapper doesn't work as expected"
117 for j in a b c d e f; do
119 test ! -f sub$i/$j.obj
120 test -f sub$i/$j.c || Exit 99 # Sanity check
124 PATH=$oPATH; export PATH
129 test -f sub1/a.$OBJEXT
130 test -f sub2/d.$OBJEXT
134 mv -f sub2/d.c sub2/x.c
137 sed -e '/ a1 ()/d' main.c > t
140 sed -e '/sub1\/a\.c/d' -e 's|sub2/d\.c|sub2/x.c|' Makefile.am > t
143 using_gmake || $MAKE Makefile
145 test -f sub2/x.$OBJEXT
147 # The stale objects are still there after a mere "make all" ...
148 test -f sub1/a.$OBJEXT
149 test -f sub2/a.$OBJEXT
151 # ... but they get removed by "make mostlyclean" ...
153 test ! -f sub1/a.$OBJEXT
154 test ! -f sub2/d.$OBJEXT
156 # ... and do not get rebuilt ...
159 test ! -f sub1/a.$OBJEXT
160 test ! -f sub2/d.$OBJEXT
162 # ... while the non-stale files do.
163 test -f sub1/b.$OBJEXT
164 test -f sub2/x.$OBJEXT