2 # Copyright (C) 2011-2012 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 # Check parallel-tests features:
18 # - If $(TEST_SUITE_LOG) is in $(TEST_LOGS), we get a diagnosed
19 # error, not a make hang or a system freeze.
24 # We don't want localized error messages from make, since we'll have
25 # to grep them. See automake bug#11452.
26 LANG=C LANGUAGE=C LC_ALL=C
27 export LANG LANGUAGE LC_ALL
29 # The tricky part of this test is to avoid that make hangs or even
30 # freezes the system in case infinite recursion (which is the bug we
31 # are testing against) is encountered. The following hacky makefile
32 # should minimize the probability of that happening.
33 cat > Makefile.am << 'END'
34 TEST_LOG_COMPILER = true
37 errmsg = ::OOPS:: Recursion too deep
41 is_too_deep := $(shell test $(MAKELEVEL) -lt 10 && echo no)
43 ## Indenteation here required to avoid confusing Automake.
44 ifeq ($(is_too_deep),no)
46 $(error $(errmsg), $(MAKELEVEL) levels)
51 # We use mkdir to detect the level of recursion, since it is easy
52 # to use and assured to be portably atomical. Also use an higher
53 # number than with GNU make above, since the level used here can
54 # be incremented by tow or more per recursion.
55 recursion-not-too-deep:
57 for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 \
58 18 19 20 21 22 23 24 25 26 27 28 29; \
60 echo " mkdir rec-$$i.d"; \
61 if mkdir rec-$$i.d; then \
65 test $$ok = yes || { echo '$(errmsg)' >&2; exit 1; }
66 .PHONY: recursion-not-too-deep
70 targets = all check recheck $(TESTS) $(TEST_LOGS) $(TEST_SUITE_LOG)
71 $(targets): recursion-not-too-deep
74 .BEGIN: recursion-not-too-deep
85 cat >> configure.ac << END
86 AM_CONDITIONAL([IS_GNU_MAKE], [$cond])
90 # Another helpful idiom to avoid hanging on capable systems. The subshell
91 # is needed since 'ulimit' might be a special shell builtin.
92 if (ulimit -t 8); then ulimit -t 8; fi
96 $AUTOMAKE -a -Wno-portability
104 env "$@" $MAKE -e check >output 2>&1 || st=$?
106 $FGREP '::OOPS::' output && Exit 1 # Possible infinite recursion.
107 # Check that at least we don't create a botched global log file.
110 grep "[Cc]ircular.*dependency" output | $FGREP "$log"
113 # Look for possible error messages about circular dependencies from
114 # either make or our own recipes. At least one such a message must
115 # be present. OTOH, some make implementations (e.g., NetBSD's), while
116 # smartly detecting the circular dependency early and diagnosing it,
117 # still exit with a successful exit status (yikes!). So don't check
118 # the exit status of non-GNU make, to avoid spurious failures.
122 'circular.* depend' \
123 'depend.* circular' \
125 'infinite (loop|recursion)' \
126 'depend.* on itself' \
128 $EGREP -i "$err_rx" output | $FGREP "$log" || continue
132 test $err_seen = yes || Exit 1
137 do_check test-suite.log TESTS=test-suite.test
145 do_check foobar.log TEST_LOGS='0.log 1.log foobar.log 2.log 3.log' \
146 TEST_SUITE_LOG=foobar.log