ppc-cross-compile.sh

export ROOT="${HOME}/wii-linux"
export BUILDDIR="${PWD}"
export LFS_TGT=powerpc-linux
export PATH="${PATH}:${BUILDDIR}/tools/bin:${ROOT}/bin"

(
  wget -c 'http://www.linuxfromscratch.org/patches/lfs/7.2/binutils-2.22-build_fix-1.patch'
  wget -c 'http://ftp.gnu.org/gnu/binutils/binutils-2.22.tar.gz'
  wget -c 'http://ftp.gnu.org/gnu/mpfr/mpfr-3.1.1.tar.xz'
  wget -c 'http://ftp.gnu.org/gnu/gmp/gmp-5.0.5.tar.xz'
  wget -c 'http://ftp.gnu.org/gnu/mpc/mpc-1.0.1.tar.gz'
  wget -c 'http://ftp.gnu.org/gnu/gcc/gcc-4.7.1/gcc-4.7.1.tar.gz'
  wget -c 'http://www.kernel.org/pub/linux/kernel/v3.0/linux-3.5.4.tar.bz2'
  wget -c 'http://ftp.gnu.org/gnu/glibc/glibc-2.16.0.tar.xz'
) || exit 1

(
  tar xvf binutils-2.22.tar.gz
  cd binutils-2.22
  patch -Np1 -i ../binutils-2.22-build_fix-1.patch || exit 1
  mkdir -v ../binutils-build
  cd ../binutils-build || exit 1
  ../binutils-2.22/configure \
    --prefix="${ROOT}" \
    --with-sysroot="${ROOT}" \
    --with-lib-path="${ROOT}/lib" \
    --target=$LFS_TGT \
    --disable-nls \
    --disable-werror || exit 1
  make all install || exit 1
) || exit 1

(
  tar -zxf gcc-4.7.1.tar.gz || exit 1
  cd gcc-4.7.1 || exit 1
  tar -Jxf ../mpfr-3.1.1.tar.xz || exit 1
  mv -v mpfr-3.1.1 mpfr
  tar -Jxf ../gmp-5.0.5.tar.xz || exit 1
  mv -v gmp-5.0.5 gmp
  tar -zxf ../mpc-1.0.1.tar.gz || exit 1
  mv -v mpc-1.0.1 mpc

  for file in $(find gcc/config -name linux64.h -o -name linux.h -o -name sysv4.h)
  do
    cp -uv $file{,.orig}
    sed -e 's@/lib\(64\)\?\(32\)\?/ld@'"${ROOT}"'&@g' \
        -e 's@/usr@'"${ROOT}"'@g' $file.orig > $file
    echo '
  #undef STANDARD_STARTFILE_PREFIX_1
  #undef STANDARD_STARTFILE_PREFIX_2
  #define STANDARD_STARTFILE_PREFIX_1 "'"${ROOT}/lib/"'"
  #define STANDARD_STARTFILE_PREFIX_2 ""' >> $file
    touch $file.orig
  done
  sed -i '/k prot/agcc_cv_libc_provides_ssp=yes' gcc/configure
  mkdir -v ../gcc-build
  cd ../gcc-build || exit 1
  ../gcc-4.7.1/configure         \
      --target=$LFS_TGT          \
      --prefix="${ROOT}" \
      --with-sysroot="$ROOT"     \
      --with-newlib              \
      --without-headers          \
      --with-local-prefix="${ROOT}" \
      --with-native-system-header-dir="${ROOT}/include" \
      --disable-nls              \
      --disable-shared           \
      --disable-multilib         \
      --disable-decimal-float    \
      --disable-threads          \
      --disable-libmudflap       \
      --disable-libssp           \
      --disable-libgomp          \
      --disable-libquadmath      \
      --enable-languages=c       \
      --with-mpfr-include=$(pwd)/../gcc-4.7.1/mpfr/src \
      --with-mpfr-lib=$(pwd)/mpfr/src/.libs || exit 1

  make all install || exit 1
  ln -vs "${ROOT}/lib/gcc/powerpc-linux/4.7.1/libgcc.a" `$LFS_TGT-gcc -print-libgcc-file-name | sed 's/libgcc/&_eh/'`
) || exit 1

(
  tar -jxf linux-3.5.4.tar.bz2 || exit 1
  cd linux-3.5.4 || exit 1
  cp arch/powerpc/configs/wii_defconfig .config || exit 1
  make ARCH=powerpc CROSS_COMPILE=powerpc-linux- mrproper || exit 1
  make ARCH=powerpc CROSS_COMPILE=powerpc-linux- headers_check || exit 1
  make ARCH=powerpc CROSS_COMPILE=powerpc-linux- INSTALL_HDR_PATH=dest headers_install || exit 1
  mkdir "${ROOT}/include"
  cp -rv dest/include/* "${ROOT}/include" || exit 1
) || exit 1

(
  tar -Jxf glibc-2.16.0.tar.xz || exit 1
  cd glibc-2.16.0 || exit 1
  sed -i 's/ -lgcc_s//' Makeconfig
  mkdir -v ../glibc-build
  cd ../glibc-build || exit 1

  ../glibc-2.16.0/configure                             \
        --prefix="${ROOT}"                                 \
        --host=$LFS_TGT                                 \
        --build=$(../glibc-2.16.0/scripts/config.guess) \
        --disable-profile                               \
        --enable-add-ons                                \
        --enable-kernel=3.5.4                           \
        --with-headers="${ROOT}/include"                \
        libc_cv_forced_unwind=yes                       \
        libc_cv_ctors_header=yes                        \
        libc_cv_c_cleanup=yes

  make all install
) || exit 1

(
  rm -rf gcc-4.7.1 gcc-build

  tar -zxf gcc-4.7.1.tar.gz || exit 1
  cd gcc-4.7.1 || exit 1
  tar -Jxf ../mpfr-3.1.1.tar.xz || exit 1
  mv -v mpfr-3.1.1 mpfr
  tar -Jxf ../gmp-5.0.5.tar.xz || exit 1
  mv -v gmp-5.0.5 gmp
  tar -zxf ../mpc-1.0.1.tar.gz || exit 1
  mv -v mpc-1.0.1 mpc

  for file in $(find gcc/config -name linux64.h -o -name linux.h -o -name sysv4.h)
  do
    cp -uv $file{,.orig}
    sed -e 's@/lib\(64\)\?\(32\)\?/ld@'"${ROOT}"'&@g' \
        -e 's@/usr@'"${ROOT}"'@g' $file.orig > $file
    echo '
  #undef STANDARD_STARTFILE_PREFIX_1
  #undef STANDARD_STARTFILE_PREFIX_2
  #define STANDARD_STARTFILE_PREFIX_1 "'"${ROOT}/lib/"'"
  #define STANDARD_STARTFILE_PREFIX_2 ""' >> $file
    touch $file.orig
  done
  cat gcc/limitx.h gcc/glimits.h gcc/limity.h > `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/include-fixed/limits.h
  cp -v gcc/Makefile.in{,.tmp}
  sed 's/^T_CFLAGS =$/& -fomit-frame-pointer/' gcc/Makefile.in.tmp > gcc/Makefile.in

  mkdir -v ../gcc-build
  cd ../gcc-build || exit 1

  ../gcc-4.7.1/configure         \
      --target=$LFS_TGT          \
      --prefix="${ROOT}" \
      --with-sysroot=$LFS        \
      --with-local-prefix="${ROOT}" \
      --with-native-system-header-dir="${ROOT}/include" \
      --disable-nls              \
      --enable-shared           \
      --disable-multilib         \
      --disable-bootstrap \
      --enable-threads=posix          \
      --disable-libgomp          \
      --enable-languages=c,c++       \
      --with-mpfr-include=$(pwd)/../gcc-4.7.1/mpfr/src \
      --with-mpfr-lib=$(pwd)/mpfr/src/.libs || exit 1

  make all install || exit 1
) || exit 1