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2003-01-14  Ulrich Drepper  <drepper@redhat.com>

	* manual/install.texi: Correct description of header preparation for
	Linux build.  Patch by mhwood@Ameritech.Net [PR libc/4941].
This commit is contained in:
Ulrich Drepper 2003-01-15 07:15:24 +00:00
parent 574b892ef1
commit a8d87c92cd
5 changed files with 31 additions and 8 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2003-01-14 Ulrich Drepper <drepper@redhat.com>
* manual/install.texi: Correct description of header preparation for
Linux build. Patch by mhwood@Ameritech.Net [PR libc/4941].
2003-01-14 Guido Guenther <agx@sigxcpu.org>
* sysdeps/unix/sysv/linux/mips/sysdep.h (INTERNAL_SYSCALL,

24
manual/install.texi
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@ -504,12 +504,24 @@ include/linux/version.h}. Finally, configure glibc with the option
kernel you can get your hands on.
An alternate tactic is to unpack the 2.2 kernel and run @samp{make
config} as above; then, rename or delete @file{/usr/include}, create
a new @file{/usr/include}, and make the usual symbolic links of
@file{/usr/include/linux} and @file{/usr/include/asm} into the 2.2
kernel sources. You can then configure glibc with no special options.
This tactic is recommended if you are upgrading from libc5, since you
need to get rid of the old header files anyway.
config} as above; then, rename or delete @file{/usr/include}, create a
new @file{/usr/include}, and make symbolic links of
@file{/usr/include/linux} and @file{/usr/include/asm} into the kernel
sources. You can then configure glibc with no special options. This
tactic is recommended if you are upgrading from libc5, since you need to
get rid of the old header files anyway.
After installing GNU libc, you may need to remove or rename
@file{/usr/include/linux} and @file{/usr/include/asm}, and replace them
with copies of @file{include/linux} and
@file{include/asm-$@var{ARCHITECTURE}} taken from the Linux source
package which supplied kernel headers for building the library.
@var{ARCHITECTURE} will be the machine architecture for which the
library was built, such as @samp{i386} or @samp{alpha}. You do not need
to do this if you did not specify an alternate kernel header source
using @samp{--with-headers}. The intent here is that these directories
should be copies of, @strong{not} symlinks to, the kernel headers used to
build the library.
Note that @file{/usr/include/net} and @file{/usr/include/scsi} should
@strong{not} be symlinks into the kernel sources. GNU libc provides its

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nptl/Banner
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NPTL 0.16 by Ulrich Drepper
NPTL 0.17 by Ulrich Drepper

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nptl/ChangeLog
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@ -1,5 +1,9 @@
2003-01-14 Ulrich Drepper <drepper@redhat.com>
* sem_open.c (sem_open): Return SEM_FAILED if existing semaphore
must be used and mapping failed.
Reported by Luke Elliott <luke.elliott@activfinancial.com>.
* Makefile (CFLAGS-pthread_self.os): Define this, not
CFLAGS-pthread_self.c.

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nptl/sem_open.c
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@ -1,4 +1,4 @@
/* Copyright (C) 2002 Free Software Foundation, Inc.
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@ -169,6 +169,8 @@ sem_open (const char *name, int oflag, ...)
/* Map the sem_t structure from the file. */
result = (sem_t *) mmap (NULL, sizeof (sem_t), PROT_READ | PROT_WRITE,
MAP_SHARED, fd, 0);
if (MAP_FAILED != (void *) SEM_FAILED && result == MAP_FAILED)
result = SEM_FAILED;
}
else
{