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This patch is an updated version of
<https://sourceware.org/ml/libc-alpha/2014-01/msg00198.html> and
<https://sourceware.org/ml/libc-alpha/2014-03/msg00180.html>.
Normal practice for software testsuites is that rather than
terminating immediately when a test fails, they continue running and
report at the end on how many tests passed or failed.
The principle behind the glibc testsuite stopping on failure was
probably that the expected state is no failures and so any failure
indicates a problem such as miscompilation. In practice, while this
is fairly close to true for native testing on x86_64 and x86 (kernel
bugs and race conditions can still cause intermittent failures), it's
less likely to be the case on other platforms, and so people testing
glibc run the testsuite with "make -k" and then examine the logs to
determine whether the failures are what they expect to fail on that
platform, possibly with some automation for the comparison.
This patch switches the glibc testsuite to the normal convention of
not stopping on failure - unless you use stop-on-test-failure=y, in
which case it behaves essentially as it did before (and does not
generate overall test summaries on failure). Instead, the summary
tests.sum may contain tests that FAILed. At the end of the test run,
any FAIL or ERROR lines from tests.sum are printed, and then it exits
with error status if there were any such lines. In addition, build
failures will also cause the test run to stop - this has the
justification that those *do* indicate serious problems that should be
promptly fixed and aren't generally hard to fix (but apart from that,
avoiding the build stopping on those failures seems harder).
Note that unlike the previous patches in this series, this *does*
require people with automation around testing glibc to change their
processes - either to start using tests.sum / xtests.sum to track
failures and compare them with expectations (with or without also
using "make -k" and examining "make" logs to identify build failures),
or else to use stop-on-test-failure=y and ignore the new tests.sum /
xtests.sum mechanism. (If all you check is the exit status from "make
check", no changes are needed unless you want to avoid test runs
continuing after the first failure.)
Tested x86_64.
* scripts/evaluate-test.sh: Handle fourth argument to determine
whether test run should stop on failure.
* Makeconfig (stop-on-test-failure): New variable.
(evaluate-test): Pass fourth argument to evaluate-test.sh based on
$(stop-on-test-failure).
* Makefile (tests): Give a summary of results from testing and
exit with failure status if they include an ERROR or FAIL.
(xtests): Likewise.
* manual/install.texi (Configuring and compiling): Mention
stop-on-test-failure=y.
* INSTALL: Regenerated.
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This patch changes the logic by which header conformance tests are run
so that the makefiles run the tests for each (standard, header) pair
separately rather than as a single test (there are 518 such pairs
being tested at present).
Since these tests are slow and previously couldn't be run in parallel,
this obviously speeds up the whole test run significantly when using
parallel testing. There are other benefits. These tests can now be
marked as expected to fail at the level of (standard, header) pairs,
meaning that regressions introduced by a header change are much more
likely to be spotted (of course, such a regression could be a bug in
the header or in the expectations, most of which have not been
properly checked against the relevant standards).
The patch introduces lists in conform/Makefile of the headers to test
for each standard, with a new (quick) test for each standard that the
list agrees with the set of headers for which there are in fact
nonempty expectations for that standard. This means that each of the
518 pairs being tested is actually something meaningful to test rather
than a null test. I also hope to use these lists of headers in
various standards in future tests for namespace violations where a
function in a standard is implemented to call a non-reserved name for
a function outside that standard.
Although there are a lot of tests now marked as expected to fail, I
expect most of those to be easy to fix (whether with fixes to the
expectations, the headers or both - if fixing a header bug, of course
file it in Bugzilla first); only a limited number are likely to
reflect actual missing features in glibc.
Tested x86_64 (GCC 4.7 branch). It's quite possible some failures
vary from platform to platform, in which case either additional XFAILs
can be added here, or platform-specific header bugs (if applicable)
the failures show up can be fixed. I made XFAILs unconditional for
tests that should only fail for GCC 4.6 and earlier; we could make the
GCC version available in the makefiles and condition these, but simply
moving the XFAILing to a finer granularity seems a clear improvement
on the previous state of the whole of conformtest being XFAILed.
* Makeconfig (test-xfail-name): New variable.
(evaluate-test): Use $(test-xfail-name) instead of $(@F:.out=) to
compute variable name for expected failures.
* conform/Makefile (conformtest-headers-data): New variable.
(conformtest-standards): Likewise.
(conformtest-headers-ISO): Likewise.
(conformtest-headers-ISO99): Likewise.
(conformtest-headers-ISO11): Likewise.
(conformtest-headers-POSIX): Likewise.
(conformtest-headers-XPG3): Likewise.
(conformtest-headers-XPG4): Likewise.
(conformtest-headers-UNIX98): Likewise.
(conformtest-headers-XOPEN2K): Likewise.
(conformtest-headers-POSIX2008): Likewise.
(conformtest-headers-XOPEN2K8): Likewise.
(conformtest-header-list-base): Likewise.
(conformtest-header-list-tests): Likewise.
(conformtest-header-base): Likewise.
(conformtest-header-tests): Likewise.
(tests-special): Add $(conformtest-header-list-tests). If
[$(fast-check) && !$(cross-compiling)], add
$(conformtest-header-tests) instead of
$(objpfx)run-conformtest.out.
(generated): Add $(conformtest-header-list-base). If
[$(fast-check) && !$(cross-compiling)], add
$(conformtest-header-base). Remove previous setting.
($(conformtest-header-list-tests)): New target.
(test-xfail-run-conformtest): Remove variable.
($(objpfx)run-conformtest.out): Remove target.
(test-xfail-ISO11/complex.h/conform): New variable.
(test-xfail-ISO11/stdalign.h/conform): Likewise.
(test-xfail-ISO11/stdnoreturn.h/conform): Likewise.
(test-xfail-XPG3/varargs.h/conform): Likewise.
(test-xfail-XPG4/varargs.h/conform): Likewise.
(test-xfail-UNIX98/varargs.h/conform): Likewise.
(test-xfail-XPG4/ndbm.h/conform): Likewise.
(test-xfail-UNIX98/ndbm.h/conform): Likewise.
(test-xfail-XOPEN2K/ndbm.h/conform): Likewise.
(test-xfail-XOPEN2K8/ndbm.h/conform): Likewise.
(test-xfail-XPG3/fcntl.h/conform): Likewise.
(test-xfail-XPG3/ftw.h/conform): Likewise.
(test-xfail-XPG3/grp.h/conform): Likewise.
(test-xfail-XPG3/langinfo.h/conform): Likewise.
(test-xfail-XPG3/limits.h/conform): Likewise.
(test-xfail-XPG3/pwd.h/conform): Likewise.
(test-xfail-XPG3/search.h/conform): Likewise.
(test-xfail-XPG3/signal.h/conform): Likewise.
(test-xfail-XPG3/stdio.h/conform): Likewise.
(test-xfail-XPG3/stdlib.h/conform): Likewise.
(test-xfail-XPG3/string.h/conform): Likewise.
(test-xfail-XPG3/sys/ipc.h/conform): Likewise.
(test-xfail-XPG3/sys/msg.h/conform): Likewise.
(test-xfail-XPG3/sys/sem.h/conform): Likewise.
(test-xfail-XPG3/sys/shm.h/conform): Likewise.
(test-xfail-XPG3/sys/stat.h/conform): Likewise.
(test-xfail-XPG3/sys/types.h/conform): Likewise.
(test-xfail-XPG3/sys/wait.h/conform): Likewise.
(test-xfail-XPG3/termios.h/conform): Likewise.
(test-xfail-XPG3/time.h/conform): Likewise.
(test-xfail-XPG3/unistd.h/conform): Likewise.
(test-xfail-XPG4/arpa/inet.h/conform): Likewise.
(test-xfail-XPG4/fcntl.h/conform): Likewise.
(test-xfail-XPG4/langinfo.h/conform): Likewise.
(test-xfail-XPG4/netdb.h/conform): Likewise.
(test-xfail-XPG4/netinet/in.h/conform): Likewise.
(test-xfail-XPG4/signal.h/conform): Likewise.
(test-xfail-XPG4/stdio.h/conform): Likewise.
(test-xfail-XPG4/stdlib.h/conform): Likewise.
(test-xfail-XPG4/stropts.h/conform): Likewise.
(test-xfail-XPG4/sys/ipc.h/conform): Likewise.
(test-xfail-XPG4/sys/msg.h/conform): Likewise.
(test-xfail-XPG4/sys/sem.h/conform): Likewise.
(test-xfail-XPG4/sys/shm.h/conform): Likewise.
(test-xfail-XPG4/sys/socket.h/conform): Likewise.
(test-xfail-XPG4/sys/stat.h/conform): Likewise.
(test-xfail-XPG4/sys/time.h/conform): Likewise.
(test-xfail-XPG4/sys/types.h/conform): Likewise.
(test-xfail-XPG4/sys/wait.h/conform): Likewise.
(test-xfail-XPG4/termios.h/conform): Likewise.
(test-xfail-XPG4/ucontext.h/conform): Likewise.
(test-xfail-XPG4/unistd.h/conform): Likewise.
(test-xfail-XPG4/utmpx.h/conform): Likewise.
(test-xfail-POSIX/sched.h/conform): Likewise.
(test-xfail-POSIX/signal.h/conform): Likewise.
(test-xfail-POSIX/sys/wait.h/conform): Likewise.
(test-xfail-POSIX/tar.h/conform): Likewise.
(test-xfail-UNIX98/arpa/inet.h/conform): Likewise.
(test-xfail-UNIX98/fcntl.h/conform): Likewise.
(test-xfail-UNIX98/langinfo.h/conform): Likewise.
(test-xfail-UNIX98/netdb.h/conform): Likewise.
(test-xfail-UNIX98/netinet/in.h/conform): Likewise.
(test-xfail-UNIX98/sched.h/conform): Likewise.
(test-xfail-UNIX98/signal.h/conform): Likewise.
(test-xfail-UNIX98/stdio.h/conform): Likewise.
(test-xfail-UNIX98/stdlib.h/conform): Likewise.
(test-xfail-UNIX98/stropts.h/conform): Likewise.
(test-xfail-UNIX98/sys/ipc.h/conform): Likewise.
(test-xfail-UNIX98/sys/msg.h/conform): Likewise.
(test-xfail-UNIX98/sys/sem.h/conform): Likewise.
(test-xfail-UNIX98/sys/shm.h/conform): Likewise.
(test-xfail-UNIX98/sys/socket.h/conform): Likewise.
(test-xfail-UNIX98/sys/time.h/conform): Likewise.
(test-xfail-UNIX98/sys/wait.h/conform): Likewise.
(test-xfail-UNIX98/ucontext.h/conform): Likewise.
(test-xfail-UNIX98/unistd.h/conform): Likewise.
(test-xfail-UNIX98/utmpx.h/conform): Likewise.
(test-xfail-XOPEN2K/aio.h/conform): Likewise.
(test-xfail-XOPEN2K/arpa/inet.h/conform): Likewise.
(test-xfail-XOPEN2K/fcntl.h/conform): Likewise.
(test-xfail-XOPEN2K/langinfo.h/conform): Likewise.
(test-xfail-XOPEN2K/math.h/conform): Likewise.
(test-xfail-XOPEN2K/mqueue.h/conform): Likewise.
(test-xfail-XOPEN2K/netdb.h/conform): Likewise.
(test-xfail-XOPEN2K/netinet/in.h/conform): Likewise.
(test-xfail-XOPEN2K/semaphore.h/conform): Likewise.
(test-xfail-XOPEN2K/signal.h/conform): Likewise.
(test-xfail-XOPEN2K/stdarg.h/conform): Likewise.
(test-xfail-XOPEN2K/stdio.h/conform): Likewise.
(test-xfail-XOPEN2K/stropts.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/ipc.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/msg.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/sem.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/shm.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/socket.h/conform): Likewise.
(test-xfail-XOPEN2K/sys/wait.h/conform): Likewise.
(test-xfail-XOPEN2K/termios.h/conform): Likewise.
(test-xfail-XOPEN2K/tgmath.h/conform): Likewise.
(test-xfail-XOPEN2K/ucontext.h/conform): Likewise.
(test-xfail-XOPEN2K/utmpx.h/conform): Likewise.
(test-xfail-POSIX2008/arpa/inet.h/conform): Likewise.
(test-xfail-POSIX2008/fcntl.h/conform): Likewise.
(test-xfail-POSIX2008/netdb.h/conform): Likewise.
(test-xfail-POSIX2008/netinet/in.h/conform): Likewise.
(test-xfail-POSIX2008/signal.h/conform): Likewise.
(test-xfail-POSIX2008/stropts.h/conform): Likewise.
(test-xfail-POSIX2008/sys/socket.h/conform): Likewise.
(test-xfail-POSIX2008/sys/wait.h/conform): Likewise.
(test-xfail-XOPEN2K8/arpa/inet.h/conform): Likewise.
(test-xfail-XOPEN2K8/fcntl.h/conform): Likewise.
(test-xfail-XOPEN2K8/limits.h/conform): Likewise.
(test-xfail-XOPEN2K8/math.h/conform): Likewise.
(test-xfail-XOPEN2K8/netdb.h/conform): Likewise.
(test-xfail-XOPEN2K8/netinet/in.h/conform): Likewise.
(test-xfail-XOPEN2K8/signal.h/conform): Likewise.
(test-xfail-XOPEN2K8/stdio.h/conform): Likewise.
(test-xfail-XOPEN2K8/stropts.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/ipc.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/msg.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/select.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/sem.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/shm.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/socket.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/time.h/conform): Likewise.
(test-xfail-XOPEN2K8/sys/wait.h/conform): Likewise.
(test-xfail-XOPEN2K8/termios.h/conform): Likewise.
(test-xfail-XOPEN2K8/tgmath.h/conform): Likewise.
(test-xfail-XOPEN2K8/utmpx.h/conform): Likewise.
(conformtest-cc-flags): Likewise.
($(conformtest-header-tests): New target.
* conform/check-header-lists.sh: New file.
* conform/run-conformtest.sh: Remove.
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This patch, an updated version of
<https://sourceware.org/ml/libc-alpha/2014-01/msg00195.html>, makes it
possible for .test-result files for individual tests to contain XPASS
and XFAIL rather than PASS and FAIL in cases where failure is
expected. This replaces the marking of two individual tests with "-"
to cause them to be expected at makefile level to fail;
evaluate-test.sh will ensure it exits with status 0 for an expected
failure.
Tested x86_64.
* scripts/evaluate-test.sh: Take new argument indicating whether
failure is expected.
* Makeconfig (evaluate-test): Pass argument to evaluate-test.sh
indicating whether failure is expected.
* conform/Makefile (test-xfail-run-conformtest): New variable.
($(objpfx)run-conformtest.out): Don't expect to fail at makefile
level.
* posix/Makefile (test-xfail-annexc): New variable.
($(objpfx)annexc.out): Don't expect to fail at makefile level.
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This patch, an updated version of
<https://sourceware.org/ml/libc-alpha/2014-01/msg00193.html>, starts
the process of generating explicit PASS or FAIL status for individual
glibc tests. It's based on Tomas Dohnalek's patch
<https://sourceware.org/ml/libc-alpha/2012-10/msg00278.html>, but is
deliberately more minimal: it doesn't try to cover any tests outside
of $(tests) / $(xtests) (that's for a later patch), nor does it put
the result together in an overall summary file (again, a later patch):
it just generates the .test-result files.
Thus, this patch keeps the overall logic for when a testsuite run
finishes completely unchanged: a test failing will terminate the run.
I think we *should* move to a more conventional approach where plain
"make check" does not terminate for an individual test failure, unless
e.g. you say "make stop-on-test-failure=y check", but that sort of
policy change is best done as a separate patch once the infrastructure
is in place to generate summary files for completed test runs (which
will entirely consist of PASS and XFAIL lines if the testsuite run
reaches the point of generating them, until such a policy change is
made).
Tested x86_64.
2014-02-14 Tomas Dohnalek <tdohnale@redhat.com>
Joseph Myers <joseph@codesourcery.com>
* Makeconfig (test-name): New variable.
(evaluate-test): Likewise.
* Makerules (do-test-clean): Remove .test-result files.
(common-mostlyclean): Likewise.
* Rules ($(objpfx)%.out): Use $(evaluate-test) in both rules.
* scripts/evaluate-test.sh: New file.
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Autoconf has been deprecating configure.in for quite a long time.
Rename all our configure.in and preconfigure.in files to .ac.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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run-via-rtld-prefix checks whether the program to be run is a static
test and skips if it is. This is fine, except that it assumes that
the program to be run is the second $^, which is true only for tests.
This change creates an rtld-prefix, which is simply the dynamic linker
prefix with the necessary arguments and uses that in the non-test
targets.
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run-via-rtld-prefix.
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This reverts commit 20f244a03fda84d1556674584b340e2459ef3d99.
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This reverts commit bd7b0e561f7f684cedfc4adb964569fe9ab16209.
Conflicts:
ChangeLog
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* Makeconfig (+math-flags): New, set to -frounding-math.
(+cflags): Add +math-flags so that all of glibc gets compiled with
it.
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