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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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argp | ||
assert | ||
benchtests | ||
bits | ||
catgets | ||
conf | ||
conform | ||
crypt | ||
csu | ||
ctype | ||
debug | ||
dirent | ||
dlfcn | ||
elf | ||
gmon | ||
gnulib | ||
grp | ||
gshadow | ||
hesiod | ||
hurd | ||
iconv | ||
iconvdata | ||
include | ||
inet | ||
intl | ||
io | ||
libidn | ||
libio | ||
locale | ||
localedata | ||
login | ||
mach | ||
malloc | ||
manual | ||
math | ||
misc | ||
nis | ||
nptl | ||
nptl_db | ||
nscd | ||
nss | ||
po | ||
ports | ||
posix | ||
pwd | ||
resolv | ||
resource | ||
rt | ||
scripts | ||
setjmp | ||
shadow | ||
signal | ||
socket | ||
soft-fp | ||
stdio-common | ||
stdlib | ||
streams | ||
string | ||
sunrpc | ||
sysdeps | ||
sysvipc | ||
termios | ||
time | ||
timezone | ||
wcsmbs | ||
wctype | ||
.gitattributes | ||
.gitignore | ||
abi-tags | ||
aclocal.m4 | ||
BUGS | ||
CANCEL-FCT-WAIVE | ||
CANCEL-FILE-WAIVE | ||
ChangeLog | ||
ChangeLog.1 | ||
ChangeLog.2 | ||
ChangeLog.3 | ||
ChangeLog.4 | ||
ChangeLog.5 | ||
ChangeLog.6 | ||
ChangeLog.7 | ||
ChangeLog.8 | ||
ChangeLog.9 | ||
ChangeLog.10 | ||
ChangeLog.11 | ||
ChangeLog.12 | ||
ChangeLog.13 | ||
ChangeLog.14 | ||
ChangeLog.15 | ||
ChangeLog.16 | ||
ChangeLog.17 | ||
config.h.in | ||
config.make.in | ||
configure | ||
configure.ac | ||
CONFORMANCE | ||
COPYING | ||
COPYING.LIB | ||
cppflags-iterator.mk | ||
extra-lib.mk | ||
extra-modules.mk | ||
INSTALL | ||
libc-abis | ||
LICENSES | ||
Makeconfig | ||
Makefile | ||
Makefile.in | ||
Makerules | ||
NAMESPACE | ||
NEWS | ||
o-iterator.mk | ||
PROJECTS | ||
README | ||
Rules | ||
shlib-versions | ||
test-skeleton.c | ||
version.h | ||
Versions.def | ||
WUR-REPORT |
This directory contains the sources of the GNU C Library. See the file "version.h" for what release version you have. The GNU C Library is the standard system C library for all GNU systems, and is an important part of what makes up a GNU system. It provides the system API for all programs written in C and C-compatible languages such as C++ and Objective C; the runtime facilities of other programming languages use the C library to access the underlying operating system. In GNU/Linux systems, the C library works with the Linux kernel to implement the operating system behavior seen by user applications. In GNU/Hurd systems, it works with a microkernel and Hurd servers. The GNU C Library implements much of the POSIX.1 functionality in the GNU/Hurd system, using configurations i[4567]86-*-gnu. The current GNU/Hurd support requires out-of-tree patches that will eventually be incorporated into an official GNU C Library release. When working with Linux kernels, this version of the GNU C Library requires Linux kernel version 2.6.16 or later. Also note that the shared version of the libgcc_s library must be installed for the pthread library to work correctly. The GNU C Library supports these configurations for using Linux kernels: aarch64*-*-linux-gnu alpha*-*-linux-gnu arm-*-linux-gnueabi i[4567]86-*-linux-gnu x86_64-*-linux-gnu Can build either x86_64 or x32 ia64-*-linux-gnu m68k-*-linux-gnu microblaze*-*-linux-gnu mips-*-linux-gnu mips64-*-linux-gnu powerpc-*-linux-gnu Hardware or software floating point, BE only. powerpc64*-*-linux-gnu Big-endian and little-endian. s390-*-linux-gnu s390x-*-linux-gnu sh[34]-*-linux-gnu sparc*-*-linux-gnu sparc64*-*-linux-gnu tilegx-*-linux-gnu tilepro-*-linux-gnu The code for other CPU configurations supported by volunteers outside of the core glibc maintenance effort is contained in the `ports' add-on, located in the `ports' subdirectory of the source tree. hppa-*-linux-gnu Not currently functional without patches. If you are interested in doing a port, please contact the glibc maintainers; see http://www.gnu.org/software/libc/ for more information. See the file INSTALL to find out how to configure, build, and install the GNU C Library. You might also consider reading the WWW pages for the C library at http://www.gnu.org/software/libc/. The GNU C Library is (almost) completely documented by the Texinfo manual found in the `manual/' subdirectory. The manual is still being updated and contains some known errors and omissions; we regret that we do not have the resources to work on the manual as much as we would like. For corrections to the manual, please file a bug in the `manual' component, following the bug-reporting instructions below. Please be sure to check the manual in the current development sources to see if your problem has already been corrected. Please see http://www.gnu.org/software/libc/bugs.html for bug reporting information. We are now using the Bugzilla system to track all bug reports. This web page gives detailed information on how to report bugs properly. The GNU C Library is free software. See the file COPYING.LIB for copying conditions, and LICENSES for notices about a few contributions that require these additional notices to be distributed. License copyright years may be listed using range notation, e.g., 2000-2013, indicating that every year in the range, inclusive, is a copyrightable year that would otherwise be listed individually.