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patches/gcc/4.3.6/350-sh-without-headers.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 22:46:47 2011 +0200 (2011-07-17)
changeset 2892 aa934ec4b4ee
parent 2124 5dd0b83ae528
permissions -rw-r--r--
cc/gcc: add the backend/frontend infra for final gcc

Currently, we issue the bare-metal compiler from the pass_1 & pass_2
core compilers, because the final gcc breaks while doing so.

This implies we have to build some libces during the start_files step,
instead of the standard libc step. This is the case for newlib.

By adding a backend/frontend infra to the final gcc, we can abstract
what backend to call: the standard backend for non-bare-metal gcc,
and the core backend for bare-metal.

This patch is just an no-op, it just adds the final backend and
frontend without changing the way bare-metal is built, to come in a
subsequent patch.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 Original patch from: ../4.3.2/350-sh-without-headers.patch

     2 

     3 -= BEGIN original header =-

     4 On 20081011, Khem RAJ writes:

     5  You have to bar gcc trying to build unwinding at stage 1. Try the

     6  attached patch and see if it helps.

     7 

     8  gcc/config/sh/linux-unwind.h |    3 +++

     9  1 file changed, 3 insertions(+)

    10 

    11 -= END original header =-

    12 

    13 diff -durN gcc-4.3.3.orig/gcc/config/sh/linux-unwind.h gcc-4.3.3/gcc/config/sh/linux-unwind.h

    14 --- gcc-4.3.3.orig/gcc/config/sh/linux-unwind.h	2007-09-12 08:59:06.000000000 +0200

    15 +++ gcc-4.3.3/gcc/config/sh/linux-unwind.h	2009-01-27 22:28:57.000000000 +0100

    16 @@ -26,6 +26,8 @@

    17  the Free Software Foundation, 51 Franklin Street, Fifth Floor,

    18  Boston, MA 02110-1301, USA.  */

    19  

    20 +#ifndef inhibit_libc

    21 +

    22  /* Do code reading to identify a signal frame, and set the frame

    23     state data appropriately.  See unwind-dw2.c for the structs.  */

    24  

    25 @@ -251,3 +253,4 @@

    26    return _URC_NO_REASON;

    27  }

    28  #endif /* defined (__SH5__) */

    29 +#endif /* ifndef inhibit_libc */
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