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patches/gcc/4.4.0/130-cross-compile.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jul 17 22:43:07 2011 +0200 (2011-07-17)
changeset 2893 a8a65758664f
permissions -rw-r--r--
cc/gcc: do not use the core pass-2 to build the baremetal compiler

In case we build a baremetal compiler, use the standard passes:
- core_cc is used to build the C library;
- as such, it is meant to run on build, not host;
- the final compiler is meant to run on host;

As the current final compiler step can not build a baremetal compiler,
call the core backend from the final step.

NB: Currently, newlib is built during the start_files pass, so we have
to have a core compiler by then... Once we can build the baremetal
compiler from the final cc step, then we can move the newlib build to
the proper step, and then get rid of the core pass-1 static compiler...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 diff -durN gcc-4.4.0.orig/gcc/configure gcc-4.4.0/gcc/configure

     2 --- gcc-4.4.0.orig/gcc/configure	2009-03-24 18:46:03.000000000 +0100

     3 +++ gcc-4.4.0/gcc/configure	2009-05-27 21:38:06.000000000 +0200

     4 @@ -13997,7 +13997,7 @@

     5  	    | powerpc*-*-*,powerpc64*-*-*)

     6  		CROSS="$CROSS -DNATIVE_CROSS" ;;

     7  	esac

     8 -elif test "x$TARGET_SYSTEM_ROOT" != x; then

     9 +elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then

    10          SYSTEM_HEADER_DIR=$build_system_header_dir

    11  fi

    12  

    13 diff -durN gcc-4.4.0.orig/gcc/configure.ac gcc-4.4.0/gcc/configure.ac

    14 --- gcc-4.4.0.orig/gcc/configure.ac	2009-03-24 18:46:03.000000000 +0100

    15 +++ gcc-4.4.0/gcc/configure.ac	2009-05-27 21:38:06.000000000 +0200

    16 @@ -1720,7 +1720,7 @@

    17  	    | powerpc*-*-*,powerpc64*-*-*)

    18  		CROSS="$CROSS -DNATIVE_CROSS" ;;

    19  	esac

    20 -elif test "x$TARGET_SYSTEM_ROOT" != x; then

    21 +elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then

    22          SYSTEM_HEADER_DIR=$build_system_header_dir 

    23  fi

    24  

    25 diff -durN gcc-4.4.0.orig/gcc/unwind-dw2.c gcc-4.4.0/gcc/unwind-dw2.c

    26 --- gcc-4.4.0.orig/gcc/unwind-dw2.c	2009-04-10 01:23:07.000000000 +0200

    27 +++ gcc-4.4.0/gcc/unwind-dw2.c	2009-05-27 21:38:06.000000000 +0200

    28 @@ -329,9 +329,11 @@

    29  }

    30  #endif

    31  

    32 +#ifndef inhibit_libc

    33  #ifdef MD_UNWIND_SUPPORT

    34  #include MD_UNWIND_SUPPORT

    35  #endif

    36 +#endif

    37  

    38  /* Extract any interesting information from the CIE for the translation

    39     unit F belongs to.  Return a pointer to the byte after the augmentation,
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