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patches/gdb/6.8/120-tdep-opcode-include-workaround.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Sep 12 23:51:25 2010 +0200 (2010-09-12)
changeset 2123 ff2181adbd28
parent 746 b150d6f590fc
permissions -rw-r--r--
cc/gcc: disable complibs if not selected

Force gcc to not link with some companion libraries when
there are not needed (because selected-out).

There is no option to tell gcc *not* to build the Graphite and/or
LTO stuff. They *will* be built if gcc finds the suitable companion
libraries. If we do not provide them, but the host has them, then
gcc *will* find them, and link with them.

Consider the following:
- host has suitable PPL and CLooG (eg. Debian Squeeze)
- user wants to build gcc>=4.4
- user de-selects GRAPHITE
- gcc will find the hosts PPL and CLooG, and will use them
- the user moves the toolchain to an older host that does
not have them (eg. Debian Lenny)
- the toolchain fails, when it was properly setup not to

So, explicitly tell gcc *not* to use unneeded companion libs.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from gentoo: gentoo/src/patchsets/gdb/6.8/20_all_gdb-tdep-opcode-include-workaround.patch

     2 -= BEGIN original header =-

     3 workaround build failure

     4 

     5 http://bugs.gentoo.org/216368

     6 

     7 -= END original header =-

     8 diff -durN gdb-6.8.orig/gdb/frv-tdep.c gdb-6.8/gdb/frv-tdep.c

     9 --- gdb-6.8.orig/gdb/frv-tdep.c	2008-01-11 14:19:59.000000000 +0100

    10 +++ gdb-6.8/gdb/frv-tdep.c	2008-06-17 16:07:34.000000000 +0200

    11 @@ -32,7 +32,7 @@

    12  #include "gdb_assert.h"

    13  #include "sim-regno.h"

    14  #include "gdb/sim-frv.h"

    15 -#include "opcodes/frv-desc.h"	/* for the H_SPR_... enums */

    16 +#include "../opcodes/frv-desc.h"	/* for the H_SPR_... enums */

    17  #include "symtab.h"

    18  #include "elf-bfd.h"

    19  #include "elf/frv.h"

    20 diff -durN gdb-6.8.orig/gdb/mep-tdep.c gdb-6.8/gdb/mep-tdep.c

    21 --- gdb-6.8.orig/gdb/mep-tdep.c	2008-01-11 14:20:02.000000000 +0100

    22 +++ gdb-6.8/gdb/mep-tdep.c	2008-06-17 16:07:34.000000000 +0200

    23 @@ -53,8 +53,8 @@

    24  

    25  /* Get the user's customized MeP coprocessor register names from

    26     libopcodes.  */

    27 -#include "opcodes/mep-desc.h"

    28 -#include "opcodes/mep-opc.h"

    29 +#include "../opcodes/mep-desc.h"

    30 +#include "../opcodes/mep-opc.h"

    31  

    32  

    33  /* The gdbarch_tdep structure.  */
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