git mirror of glibc CVS
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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 3.2 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:

	x86_64-*-linux-gnu	Can build either x86_64 or x32
	powerpc-*-linux-gnu	Hardware or software floating point, BE only.
	powerpc64*-*-linux-gnu	Big-endian and little-endian.

If you are interested in doing a port, please contact the glibc
maintainers; see for more

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

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 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., 1996-2015, indicating that every year in
the range, inclusive, is a copyrightable year that would otherwise be listed
8 hours ago Rical Jasanmanual: Improve documentation of get_current_dir_name... master
24 hours ago Aurelien JarnoFix posix/tst-glob_lstat_compat on alpha [BZ #22818]
24 hours ago Aurelien Jarnointl/tst-gettext: fix failure with newest msgfmt
43 hours ago Samuel Thibaulthurd: Fix build on missing __ptsname_internal function
44 hours ago Samuel Thibaulthurd: Define EXEC_PAGESIZE
47 hours ago John David... Fix ulps for pow on hppa.
3 days ago Rical Jasanmanual: Fix a syntax error.
3 days ago Stefan LieblerAdd runtime check if mutex will be elided in tst-mutex8...
3 days ago Joseph MyersDocument use of CC and CFLAGS in more detail (bug 20980...
3 days ago Joseph MyersFix hppa local PLT entries for sigprocmask (bug 18124).
3 days ago Joseph MyersUse libc_hidden_* for argz_next, __argz_next (bug 15105).
3 days ago Joseph MyersUse libc_hidden_* for __cmsg_nxthdr (bug 15105).
3 days ago Joseph MyersUse libc_hidden_* for fputs (bug 15105).
3 days ago Joseph MyersFix -Os feof_unlocked linknamespace, localplt issues...
4 days ago Wilco Dijkstra[AArch64] Fix include.
4 days ago Wilco DijkstraRemove mplog and mpexp
2 weeks ago glibc-2.27.9000 Open master branch for glibc 2...
2 weeks ago glibc-2.27 The GNU C Library ============...
4 months ago glibc-2.26.9000 Open master branch for glibc 2...
4 months ago glibc-2.16.90 Open master branch for glibc 2...
4 months ago glibc-2.25.90 Open master branch for glibc 2...
4 months ago glibc-2.24.90 Open master branch for glibc 2...
4 months ago glibc-2.23.90 Open master branch for glibc 2...
4 months ago glibc-2.22.90 Open master branch for glibc 2...
4 months ago glibc-2.21.90 Open master branch for glibc 2...
4 months ago glibc-2.20.90 Open master branch for glibc 2...
4 months ago glibc-2.19.90 Open master branch for glibc 2...
4 months ago glibc-2.18.90 Open master branch for glibc 2...
4 months ago glibc-2.17.90 Open master branch for glibc 2...
4 months ago glibc-2.16-ports-before-merge Last change to the ports tree befor...
6 months ago glibc-2.26 FROM: Siddhesh Poyarekar <siddhesh...
12 months ago glibc-2.25 The GNU C Library ============...
8 hours ago master
5 days ago google/grte/v5-2.27/master
5 days ago release/2.27/master
7 days ago release/2.25/master
11 days ago release/2.26/master
11 days ago shebs/clangify
2 weeks ago sthibaul/hurd-builds
2 weeks ago ibm/2.26/master
2 weeks ago azanella/c11-threads
2 weeks ago arm/ilp32
2 weeks ago aaribaud/y2038-temp
3 weeks ago azanella/qsort-refactor
4 weeks ago hjl/pie/static
4 weeks ago release/2.23/master
4 weeks ago release/2.24/master
4 weeks ago azanella/qsort-smooth
Cached version (4875s old)
 NaCl   glibc 
glibc/pb-stable.git Petr Baudis' queue of bugfixes for stable... 7 years ago
glibc/nacl-glibc.git Port of glibc to Google Native Client (NaCl) 7 years ago
glibc/history.git Unaltered CVS history 8 years ago