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 thesystem API for all programs written in C and C-compatible languages suchas C++ and Objective C; the runtime facilities of other programminglanguages use the C library to access the underlying operating system.In GNU/Linux systems, the C library works with the Linux kernel toimplement 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 theGNU/Hurd system, using configurations i[4567]86-*-gnu.  The currentGNU/Hurd support requires out-of-tree patches that will eventually beincorporated into an official GNU C Library release.When working with Linux kernels, this version of the GNU C Libraryrequires Linux kernel version 3.2 or later.Also note that the shared version of the libgcc_s library must beinstalled for the pthread library to work correctly.The GNU C Library supports these configurations for using Linux kernels:aarch64*-*-linux-gnualpha*-*-linux-gnuarm-*-linux-gnueabihppa-*-linux-gnui[4567]86-*-linux-gnux86_64-*-linux-gnuCan build either x86_64 or x32ia64-*-linux-gnum68k-*-linux-gnumicroblaze*-*-linux-gnumips-*-linux-gnumips64-*-linux-gnupowerpc-*-linux-gnuHardware or software floating point, BE only.powerpc64*-*-linux-gnuBig-endian and little-endian.s390-*-linux-gnus390x-*-linux-gnush[34]-*-linux-gnusparc*-*-linux-gnusparc64*-*-linux-gnutilegx-*-linux-gnuIf you are interested in doing a port, please contact the glibcmaintainers; seehttp://www.gnu.org/software/libc/ for moreinformation.See the file INSTALL to find out how to configure, build, and installthe GNU C Library.  You might also consider reading the WWW pages forthe C library athttp://www.gnu.org/software/libc/.The GNU C Library is (almost) completely documented by the Texinfo manualfound in the `manual/' subdirectory.  The manual is still being updatedand contains some known errors and omissions; we regret that we do nothave the resources to work on the manual as much as we would like.  Forcorrections to the manual, please file a bug in the `manual' component,following the bug-reporting instructions below.  Please be sure to checkthe manual in the current development sources to see if your problem hasalready been corrected.Please seehttp://www.gnu.org/software/libc/bugs.html for bug reportinginformation.  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 copyingconditions, and LICENSES for notices about a few contributions that requirethese additional notices to be distributed.  License copyright years may belisted using range notation, e.g., 1996-2015, indicating that every year inthe range, inclusive, is a copyrightable year that would otherwise be listedindividually.