yann@552: Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/08_all_gcc-4.1-cross-compile.patch
yann@552: Some notes on the 'bootstrap with or without libc headers' debate:
yann@552: http://linuxfromscratch.org/pipermail/lfs-dev/2005-July/052409.html
yann@552: http://gcc.gnu.org/ml/gcc/2005-07/msg01195.html
yann@552: 
yann@552: diff -durN gcc-4.3.1.orig/gcc/configure gcc-4.3.1/gcc/configure
yann@552: --- gcc-4.3.1.orig/gcc/configure	2008-05-21 10:54:15.000000000 +0200
yann@552: +++ gcc-4.3.1/gcc/configure	2008-06-10 14:57:42.000000000 +0200
yann@552: @@ -13283,7 +13283,7 @@
yann@552:  	    | powerpc*-*-*,powerpc64*-*-*)
yann@552:  		CROSS="$CROSS -DNATIVE_CROSS" ;;
yann@552:  	esac
yann@552: -elif test "x$TARGET_SYSTEM_ROOT" != x; then
yann@552: +elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then
yann@552:          SYSTEM_HEADER_DIR=$build_system_header_dir
yann@552:  fi
yann@552:  
yann@552: diff -durN gcc-4.3.1.orig/gcc/configure.ac gcc-4.3.1/gcc/configure.ac
yann@552: --- gcc-4.3.1.orig/gcc/configure.ac	2008-05-21 10:54:15.000000000 +0200
yann@552: +++ gcc-4.3.1/gcc/configure.ac	2008-06-10 14:57:42.000000000 +0200
yann@552: @@ -1749,7 +1749,7 @@
yann@552:  	    | powerpc*-*-*,powerpc64*-*-*)
yann@552:  		CROSS="$CROSS -DNATIVE_CROSS" ;;
yann@552:  	esac
yann@552: -elif test "x$TARGET_SYSTEM_ROOT" != x; then
yann@552: +elif test "x$TARGET_SYSTEM_ROOT" != x -o $build != $host; then
yann@552:          SYSTEM_HEADER_DIR=$build_system_header_dir 
yann@552:  fi
yann@552:  
yann@552: diff -durN gcc-4.3.1.orig/gcc/unwind-dw2.c gcc-4.3.1/gcc/unwind-dw2.c
yann@552: --- gcc-4.3.1.orig/gcc/unwind-dw2.c	2007-07-25 20:14:57.000000000 +0200
yann@552: +++ gcc-4.3.1/gcc/unwind-dw2.c	2008-06-10 14:57:42.000000000 +0200
yann@552: @@ -334,9 +334,11 @@
yann@552:  }
yann@552:  #endif
yann@552:  
yann@552: +#ifndef inhibit_libc
yann@552:  #ifdef MD_UNWIND_SUPPORT
yann@552:  #include MD_UNWIND_SUPPORT
yann@552:  #endif
yann@552: +#endif
yann@552:  
yann@552:  /* Extract any interesting information from the CIE for the translation
yann@552:     unit F belongs to.  Return a pointer to the byte after the augmentation,