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patches/gcc/4.4.4/130-cross-compile.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Sep 12 23:38:18 2010 +0200 (2010-09-12)
changeset 2120 48de021b3a9e
child 2148 ada9128c98b8
permissions -rw-r--r--
arch/mips: add experimental mips64 samples

Both toolchains were tested to successfully:
- _build_ busybox, giving respectively an n32 and an n64 binary
although it has not been run-tested.
- build linux-2.6.36-rc3 for Loongson, giving an n64 vmlinux
(which is expected, due to the way the kernel is built),
and the kernel properly boots!

Credits are due to Julien MOUTHINO (julm on freenode#uClibc) for
testing that the kernel boots on his hardware! Cheers! ;-)

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 

     3 diff -durN gcc-4.4.4.orig/gcc/configure gcc-4.4.4/gcc/configure

     4 --- gcc-4.4.4.orig/gcc/configure	2009-10-19 14:15:27.000000000 +0200

     5 +++ gcc-4.4.4/gcc/configure	2010-05-16 19:11:00.000000000 +0200

     6 @@ -13997,7 +13997,7 @@

     7  	    | powerpc*-*-*,powerpc64*-*-*)

     8  		CROSS="$CROSS -DNATIVE_CROSS" ;;

     9  	esac

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

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

    12          SYSTEM_HEADER_DIR=$build_system_header_dir

    13  fi

    14  

    15 diff -durN gcc-4.4.4.orig/gcc/configure.ac gcc-4.4.4/gcc/configure.ac

    16 --- gcc-4.4.4.orig/gcc/configure.ac	2009-10-19 14:15:27.000000000 +0200

    17 +++ gcc-4.4.4/gcc/configure.ac	2010-05-16 19:11:00.000000000 +0200

    18 @@ -1720,7 +1720,7 @@

    19  	    | powerpc*-*-*,powerpc64*-*-*)

    20  		CROSS="$CROSS -DNATIVE_CROSS" ;;

    21  	esac

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

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

    24          SYSTEM_HEADER_DIR=$build_system_header_dir 

    25  fi

    26  

    27 diff -durN gcc-4.4.4.orig/gcc/unwind-dw2.c gcc-4.4.4/gcc/unwind-dw2.c

    28 --- gcc-4.4.4.orig/gcc/unwind-dw2.c	2010-01-20 09:39:18.000000000 +0100

    29 +++ gcc-4.4.4/gcc/unwind-dw2.c	2010-05-16 19:11:00.000000000 +0200

    30 @@ -329,9 +329,11 @@

    31  }

    32  #endif

    33  

    34 +#ifndef inhibit_libc

    35  #ifdef MD_UNWIND_SUPPORT

    36  #include MD_UNWIND_SUPPORT

    37  #endif

    38 +#endif

    39  

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

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