===== binutils

# cd build-binutils
# cat a.sh
BUILD=`gcc -v 2>&1 | grep Target: | sed 's/.*: //'`
PREFIX=/opt/toolchain-le
TARGET=ppc64le-redhat-linux-gnu

../binutils-2.24.51/configure --target=$TARGET --prefix="$PREFIX" --disable-nls --disable-werror --with-sysroot="$PREFIX"

sh a.sh
make
make install

===== gcc core

# cd build-gcc
# cat a.sh
BUILD=`gcc -v 2>&1 | grep Target: | sed 's/.*: //'`
PREFIX=/opt/toolchain-le
TARGET=ppc64le-redhat-linux-gnu

#../gcc-4.8.2-20140409/configure --target=$TARGET --prefix="$PREFIX" --disable-nls \
#  --enable-languages=c,c++ --without-headers --with-sysroot="$PREFIX" --disable-multilib --with-gnu-as --with-gnu-ld

../gcc-4.8.2-20140409/configure --target=$TARGET --prefix="$PREFIX" --disable-nls \
  --enable-languages=c --without-headers --with-sysroot="$PREFIX" --with-gnu-as --with-gnu-ld --disable-multilib

echo 'lt_cv_shlibpath_overrides_runpath=no' > config.cache
echo 'gcc_cv_libc_provides_ssp=yes' >> config.cache

sh a.sh

make $J all-host gcc_cv_libc_provides_ssp=yes
make $J install-host gcc_cv_libc_provides_ssp=yes


===== kernel headers
# cat a.sh
BUILD=`gcc -v 2>&1 | grep Target: | sed 's/.*: //'`
PREFIX=/opt/toolchain-le
ROOTFS="$PREFIX"
TARGET=ppc64le-redhat-linux-gnu
KERNELARGS="ARCH=powerpc CROSS_COMPILE=${TARGET}-"
C=gcc
make CC=$C $KERNELARGS INSTALL_HDR_PATH=$ROOTFS/usr headers_install

sh a.sh

===== glibc headers
[root@ibm-p750e-01-lp3 build-glibc]# cat a.sh
BUILD=`gcc -v 2>&1 | grep Target: | sed 's/.*: //'`
PREFIX=/opt/toolchain-le
TARGET=ppc64le-redhat-linux-gnu

export ARCH=powerpc
export PATH=$PATH:${PREFIX}/bin
export GCC_PATH=${PREFIX}/bin
export CROSS_COMPILE=${TARGET}-

BUILD_CC=gcc CC=${GCC_PATH}/${CROSS_COMPILE}gcc ../glibc-2.19/configure --build $BUILD \
  --host $TARGET --target $TARGET --prefix=${PREFIX}/${TARGET} --disable-multilib \
  --disable-profile --without-cvs --with-elf --without-gd --disable-sanity-checks \
  --with-tls --with-__thread --enable-obsolete-rpc --enable-bind-now \
  --without-selinux --disable-selinux --with-glibc=../glibc-2.19

make $J ARCH=powerpc cross-compiling=yes install-headers install_root=/opt/toolchain-le
make $J ARCH=powerpc cross-compiling=yes install-headers install_root=/

mkdir -p /opt/toolchain-le/usr/include/gnu
touch /opt/toolchain-le/usr/include/gnu/stubs.h
mkdir -p /opt/toolchain-le/usr/include/bits
touch /opt/toolchain-le/usr/include/bits/stdio_lim.h

===== gcc-libgcc half-broken

make -k all-target-libgcc
make -i install-target-libgcc

===== glibc
make
make install

===== gcc 2pass
rm -rf /opt/toolchain-le/opt
cd /opt/toolchain-le
ln -s /opt opt

make all-target-libgcc
make install-target-libgcc

make
make install