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patches/gcc/4.3.0/130-cross-compile.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sun Jan 17 23:06:02 2010 +0100 (2010-01-17)
changeset 1740 c57458bb354d
parent 746 b150d6f590fc
permissions -rw-r--r--
configure: do not require hg when configuring in an hg clone

When configuring in an hg clone, we need hg to compute the version string.
It can happen that users do not have Mercurial (eg. if they got a snapshot
rather that they did a full clone). In this case, we can still run, of
course, so simply fill the version string with a sufficiently explicit
value, that does not require hg. The date is a good candidate. 
     1 Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.0/gentoo/08_all_gcc-4.1-cross-compile.patch

     2 Some notes on the 'bootstrap with or without libc headers' debate:

     3 http://linuxfromscratch.org/pipermail/lfs-dev/2005-July/052409.html

     4 http://gcc.gnu.org/ml/gcc/2005-07/msg01195.html

     5 

     6 diff -durN gcc-4.3.0.orig/gcc/configure gcc-4.3.0/gcc/configure

     7 --- gcc-4.3.0.orig/gcc/configure	2008-03-05 00:39:11.000000000 +0100

     8 +++ gcc-4.3.0/gcc/configure	2008-06-10 14:44:17.000000000 +0200

     9 @@ -13274,7 +13274,7 @@

    10  	    | powerpc*-*-*,powerpc64*-*-*)

    11  		CROSS="$CROSS -DNATIVE_CROSS" ;;

    12  	esac

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

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

    15          SYSTEM_HEADER_DIR=$build_system_header_dir

    16  fi

    17  

    18 diff -durN gcc-4.3.0.orig/gcc/configure.ac gcc-4.3.0/gcc/configure.ac

    19 --- gcc-4.3.0.orig/gcc/configure.ac	2008-03-05 00:39:11.000000000 +0100

    20 +++ gcc-4.3.0/gcc/configure.ac	2008-06-10 14:44:17.000000000 +0200

    21 @@ -1745,7 +1745,7 @@

    22  	    | powerpc*-*-*,powerpc64*-*-*)

    23  		CROSS="$CROSS -DNATIVE_CROSS" ;;

    24  	esac

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

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

    27          SYSTEM_HEADER_DIR=$build_system_header_dir 

    28  fi

    29  

    30 diff -durN gcc-4.3.0.orig/gcc/unwind-dw2.c gcc-4.3.0/gcc/unwind-dw2.c

    31 --- gcc-4.3.0.orig/gcc/unwind-dw2.c	2007-07-25 20:14:57.000000000 +0200

    32 +++ gcc-4.3.0/gcc/unwind-dw2.c	2008-06-10 14:44:17.000000000 +0200

    33 @@ -334,9 +334,11 @@

    34  }

    35  #endif

    36  

    37 +#ifndef inhibit_libc

    38  #ifdef MD_UNWIND_SUPPORT

    39  #include MD_UNWIND_SUPPORT

    40  #endif

    41 +#endif

    42  

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

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