patches/glibc/ports-2.13/190-localedef-mmap.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Dec 31 16:23:27 2011 +0100 (2011-12-31)
changeset 2814 3dc2727ebffc
permissions -rw-r--r--
cc/gcc: add option to use system zlib

In some cases, it might be desirable to use the system zlib

Eg. because latest gcc seem to be totally borked when it comes
to multilib, and tries to build a multilib host zlib, when it
is *absolutely* *not* needed: we want mulitlib on the target,
not on the host! Sigh... :-(

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
     1 sniped from Debian
     2 http://bugs.gentoo.org/289615
     3 
     4 2009-10-27  Aurelien Jarno  <aurelien@aurel32.net>
     5 
     6 	* locale/programs/locarchive.c: use MMAP_SHARED to reserve memory
     7 	used later with MMAP_FIXED | MMAP_SHARED to cope with different
     8 	alignment restrictions.
     9 
    10 diff -durN glibc-2.13.orig/locale/programs/locarchive.c glibc-2.13/locale/programs/locarchive.c
    11 --- glibc-2.13.orig/locale/programs/locarchive.c	2009-04-27 16:07:47.000000000 +0200
    12 +++ glibc-2.13/locale/programs/locarchive.c	2009-11-13 00:50:01.000000000 +0100
    13 @@ -134,7 +134,7 @@
    14    size_t reserved = RESERVE_MMAP_SIZE;
    15    int xflags = 0;
    16    if (total < reserved
    17 -      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
    18 +      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
    19  		       -1, 0)) != MAP_FAILED))
    20      xflags = MAP_FIXED;
    21    else
    22 @@ -396,7 +396,7 @@
    23    size_t reserved = RESERVE_MMAP_SIZE;
    24    int xflags = 0;
    25    if (total < reserved
    26 -      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
    27 +      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
    28  		       -1, 0)) != MAP_FAILED))
    29      xflags = MAP_FIXED;
    30    else
    31 @@ -614,7 +614,7 @@
    32    int xflags = 0;
    33    void *p;
    34    if (st.st_size < reserved
    35 -      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_PRIVATE | MAP_ANON,
    36 +      && ((p = mmap64 (NULL, reserved, PROT_NONE, MAP_SHARED | MAP_ANON,
    37  		       -1, 0)) != MAP_FAILED))
    38      xflags = MAP_FIXED;
    39    else