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#! /bin/sh
# Copyright (C) 2011-2017 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 <https://www.gnu.org/licenses/>.
# Check parallel-tests features:
# - If $(TEST_SUITE_LOG) is in $(TEST_LOGS), we get a diagnosed
# error, not a make hang or a system freeze.
. test-init.sh
# We don't want localized error messages from make, since we'll have
# to grep them. See automake bug#11452.
LANG=C LANGUAGE=C LC_ALL=C
export LANG LANGUAGE LC_ALL
# The tricky part of this test is to avoid that make hangs or even
# freezes the system in case infinite recursion (which is the bug we
# are testing against) is encountered. The following hacky makefile
# should minimize the probability of that happening.
cat > Makefile.am << 'END'
TEST_LOG_COMPILER = true
TESTS =
errmsg = ::OOPS:: Recursion too deep
if IS_GNU_MAKE
is_too_deep := $(shell test $(MAKELEVEL) -lt 10 && echo no)
## Indenteation here required to avoid confusing Automake.
ifeq ($(is_too_deep),no)
else
$(error $(errmsg), $(MAKELEVEL) levels)
endif
else !IS_GNU_MAKE
# We use mkdir to detect the level of recursion, since it is easy
# to use and assured to be portably atomical. Also use an higher
# number than with GNU make above, since the level used here can
# be incremented by tow or more per recursion.
recursion-not-too-deep:
@ok=no; \
for i in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 \
18 19 20 21 22 23 24 25 26 27 28 29; \
do \
echo " mkdir rec-$$i.d"; \
if mkdir rec-$$i.d; then \
ok=yes; break; \
else :; fi; \
done; \
test $$ok = yes || { echo '$(errmsg)' >&2; exit 1; }
.PHONY: recursion-not-too-deep
clean-local:
rmdir rec-[0-9].d
targets = all check recheck $(TESTS) $(TEST_LOGS) $(TEST_SUITE_LOG)
$(targets): recursion-not-too-deep
# For BSD make.
.BEGIN: recursion-not-too-deep
endif !IS_GNU_MAKE
END
if using_gmake; then
cond=:
else
cond=false
fi
cat >> configure.ac << END
AM_CONDITIONAL([IS_GNU_MAKE], [$cond])
AC_OUTPUT
END
# Another helpful idiom to avoid hanging on capable systems. The subshell
# is needed since 'ulimit' might be a special shell builtin.
if (ulimit -t 8); then ulimit -t 8; fi
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a -Wno-portability
./configure
do_check ()
{
log=$1; shift
run_make -M -e IGNORE -- "$@" check
$FGREP '::OOPS::' output && exit 1 # Possible infinite recursion.
# Check that at least we don't create a botched global log file.
test ! -e "$log"
if using_gmake; then
grep "[Cc]ircular.*dependency" output | $FGREP "$log"
test $am_make_rc -gt 0
else
# Look for possible error messages about circular dependencies from
# either make or our own recipes. At least one such a message must
# be present. OTOH, some make implementations (e.g., NetBSD's), while
# smartly detecting the circular dependency early and diagnosing it,
# still exit with a successful exit status (yikes!). So don't check
# the exit status of non-GNU make, to avoid spurious failures.
# this case.
err_seen=no
for err_rx in \
'circular.* depend' \
'depend.* circular' \
'graph cycle' \
'infinite (loop|recursion)' \
'depend.* on itself' \
; do
$EGREP -i "$err_rx" output | $FGREP "$log" || continue
err_seen=yes
break
done
test $err_seen = yes || exit 1
fi
}
: > test-suite.test
do_check test-suite.log TESTS=test-suite.test
rm -f *.log *.test
: > 0.test
: > 1.test
: > 2.test
: > 3.test
: > foobar.test
do_check foobar.log TEST_LOGS='0.log 1.log foobar.log 2.log 3.log' \
TEST_SUITE_LOG=foobar.log
rm -f *.log *.test
:
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