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Some updates to the README file
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README
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README
@ -14,20 +14,23 @@ 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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GNU/Hurd system, using configurations i[34567]86-*-gnu.
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When working with Linux kernels, the GNU C Library version 2.4 is
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intended primarily for use with Linux kernel version 2.6.0 and later.
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We only support using the NPTL implementation of pthreads, which is now
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the default configuration. Most of the C library will continue to work
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on older Linux kernels and many programs will not require a 2.6 kernel
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to run correctly. However, pthreads and related functionality will not
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work at all on old kernels and we do not recommend using glibc 2.4 with
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any Linux kernel prior to 2.6.
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When working with Linux kernels, the GNU C Library version from
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version 2.4 on is intended primarily for use with Linux kernel version
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2.6.0 and later. We only support using the NPTL implementation of
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pthreads, which is now the default configuration. Most of the C
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library will continue to work on older Linux kernels and many programs
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will not require a 2.6 kernel to run correctly. However, pthreads and
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related functionality will not work at all on old kernels and we do
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not recommend using glibc 2.4 with any Linux kernel prior to 2.6.
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All Linux kernel versions prior to 2.6.16 are known to have some bugs that
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may cause some of the tests related to pthreads in "make check" to fail.
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If you see such problems, please try the test suite on the most recent
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Linux kernel version that you can use, before pursuing those bugs further.
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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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The old LinuxThreads add-on implementation of pthreads for older Linux
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kernels is no longer supported, and we are not distributing it with this
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release. Someone has volunteered to revive its maintenance unofficially
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@ -48,7 +51,6 @@ The GNU C Library supports these configurations for using Linux kernels:
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sparc*-*-linux-gnu
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sparc64*-*-linux-gnu
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alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL
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sh[34]-*-linux-gnu Requires Linux 2.6.11
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The code for other CPU configurations supported by volunteers outside of
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@ -57,6 +59,7 @@ add-on. You can find glibc-ports-VERSION distributed separately in the
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same place where you got the main glibc distribution files.
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Currently these configurations are known to work using the `ports' add-on:
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alpha*-*-linux-gnu Requires Linux 2.6.9 for NPTL
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arm-*-linux-gnu Requires Linux 2.6.15 for NPTL, no SMP support
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arm-*-linux-gnueabi Requires Linux 2.6.16-rc1 for NPTL, no SMP
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mips-*-linux-gnu Requires Linux 2.6.12 for NPTL
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