2009-02-25 07:45:59 +08:00
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This directory contains the sources of the GNU C Library.
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See the file "version.h" for what release version you have.
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2006-03-06 18:59:43 +08:00
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The GNU C Library is the standard system C library for all GNU systems,
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and is an important part of what makes up a GNU system. It provides the
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system API for all programs written in C and C-compatible languages such
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as C++ and Objective C; the runtime facilities of other programming
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languages use the C library to access the underlying operating system.
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In GNU/Linux systems, the C library works with the Linux kernel to
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implement the operating system behavior seen by user applications.
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In GNU/Hurd systems, it works with a microkernel and Hurd servers.
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The GNU C Library implements much of the POSIX.1 functionality in the
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2013-04-07 00:00:35 +08:00
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GNU/Hurd system, using configurations i[4567]86-*-gnu. The current
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2012-06-30 23:27:06 +08:00
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GNU/Hurd support requires out-of-tree patches that will eventually be
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incorporated into an official GNU C Library release.
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2006-03-06 18:59:43 +08:00
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2012-08-03 21:42:47 +08:00
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When working with Linux kernels, this version of the GNU C Library
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2014-04-30 23:39:30 +08:00
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requires Linux kernel version 2.6.32 or later.
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2006-03-06 18:59:43 +08:00
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2010-02-10 23:34:34 +08:00
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Also note that the shared version of the libgcc_s library must be
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installed for the pthread library to work correctly.
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2006-03-06 18:59:43 +08:00
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The GNU C Library supports these configurations for using Linux kernels:
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2014-02-10 23:36:16 +08:00
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aarch64*-*-linux-gnu
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alpha*-*-linux-gnu
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arm-*-linux-gnueabi
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hppa-*-linux-gnu Not currently functional without patches.
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2012-04-28 05:35:47 +08:00
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i[4567]86-*-linux-gnu
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x86_64-*-linux-gnu Can build either x86_64 or x32
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ia64-*-linux-gnu
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m68k-*-linux-gnu
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microblaze*-*-linux-gnu
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mips-*-linux-gnu
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mips64-*-linux-gnu
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powerpc-*-linux-gnu Hardware or software floating point, BE only.
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powerpc64*-*-linux-gnu Big-endian and little-endian.
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s390-*-linux-gnu
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s390x-*-linux-gnu
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sh[34]-*-linux-gnu
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sparc*-*-linux-gnu
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sparc64*-*-linux-gnu
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tilegx-*-linux-gnu
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tilepro-*-linux-gnu
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2006-03-06 18:59:43 +08:00
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2012-04-28 05:35:47 +08:00
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If you are interested in doing a port, please contact the glibc
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maintainers; see http://www.gnu.org/software/libc/ for more
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information.
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2006-03-06 18:59:43 +08:00
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See the file INSTALL to find out how to configure, build, and install
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the GNU C Library. You might also consider reading the WWW pages for
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the C library at http://www.gnu.org/software/libc/.
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The GNU C Library is (almost) completely documented by the Texinfo manual
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found in the `manual/' subdirectory. The manual is still being updated
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and contains some known errors and omissions; we regret that we do not
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have the resources to work on the manual as much as we would like. For
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corrections to the manual, please file a bug in the `manual' component,
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following the bug-reporting instructions below. Please be sure to check
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the manual in the current development sources to see if your problem has
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already been corrected.
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1995-02-18 09:27:10 +08:00
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2004-12-19 17:41:58 +08:00
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Please see http://www.gnu.org/software/libc/bugs.html for bug reporting
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information. We are now using the Bugzilla system to track all bug reports.
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This web page gives detailed information on how to report bugs properly.
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1995-02-18 09:27:10 +08:00
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The GNU C Library is free software. See the file COPYING.LIB for copying
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conditions, and LICENSES for notices about a few contributions that require
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these additional notices to be distributed. License copyright years may be
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listed using range notation, e.g., 2000-2013, indicating that every year in
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the range, inclusive, is a copyrightable year that would otherwise be listed
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individually.
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