#!/bin/sh
TARGET="mips-unknown-linux-gnu"
CLFS="$1"
SYSROOT="$CLFS/root"
HOST="x86_64-pc-linux-gnu"
LINUX_VERSION=2.6.30
BINUTILS_VERSION=2.24
GCC_VERSION=4.8.2
EGLIB_VERSION=2.18-r24148
unset CFLAGS
unset CXXFLAGS
check_success() {
   if [ $? -ne 0 ]
   then
      echo Failed
      exit 1
   fi
   echo Done
}
if [ "$2" = "get" ]
then
echo -n "Download sources..."
wget http://www.kernel.org/pub/linux/kernel/v2.6/linux-$LINUX_VERSION.tar.bz2
wget http://ftp.gnu.org/gnu/binutils/binutils-$BINUTILS_VERSION.tar.gz
wget http://ftp.gnu.org/gnu/gcc/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.bz2
wget http://cross-lfs.org/files/eglibc-$EGLIB_VERSION.tar.xz
echo -n "Extract archives..."
tar -xjf linux-$LINUX_VERSION.tar.bz2
tar -xf binutils-$BINUTILS_VERSION.tar.gz
tar -xjf gcc-$GCC_VERSION.tar.bz2
tar -xf eglibc-$EGLIB_VERSION.tar.xz
cd ./gcc-$GCC_VERSION/
./contrib/download_prerequisites
cd ..
check_success
fi
if [ "$2" = "clear" ]
then
rm -rfv $CLFS
mkdir -p $SYSROOT
check_success
exit 1
fi
mkdir -p $SYSROOT

InstallKernelHeader()
{
echo -n "Install kernel headers..."
cd linux-$LINUX_VERSION/
make mrproper
make ARCH=mips headers_check
make ARCH=mips INSTALL_HDR_PATH=$SYSROOT headers_install
cd ..
check_success
}
InstallBinutils()
{
echo -n "Install binutils..."
mkdir mips-binutils
cd mips-binutils
rm -rf ./*
../binutils-$BINUTILS_VERSION/configure --prefix=$CLFS --target=$TARGET --with-sysroot=$SYSROOT --disable-nls --disable-static --disable-multilib --enable-plugins
make
check_success
make install
check_success
cd ..

}
InstallStaticGCC()
{
echo -n "Install static gcc..."
mkdir mips-static-gcc
cd mips-static-gcc
rm -rf ./*
../gcc-$GCC_VERSION/configure --target=$TARGET --prefix=$CLFS --with-sysroot=$SYSROOT --disable-nls  --disable-shared --without-headers --with-newlib --disable-decimal-float --disable-libgomp --disable-libmudflap --disable-libssp --disable-threads --disable-multilib --disable-libatomic --disable-libitm --disable-libsanitizer --disable-libquadmath --disable-target-libiberty --enable-languages=c --enable-checking=release
make all-gcc
check_success
make all-target-libgcc
check_success
make install-gcc install-target-libgcc
check_success
cd ..
}
InstallEGLIB()
{
echo -n "Install eglibs header files..."
mkdir mips-eglibs
cd mips-eglibs
rm -rf ./*
BUILD_CC="gcc" \
CC="$CLFS/bin/$TARGET-gcc" \
AR="$CLFS/bin/$TARGET-ar" \
RANLIB="$CLFS/bin/$TARGET-ranlib" \
../eglibc-2.18/configure  --prefix=$SYSROOT --host=$TARGET --build=$HOST --disable-profile --with-tls --enable-kernel=2.6.30 --with-__thread --enable-obsolete-rpc --cache-file=config.cache --with-headers=$SYSROOT/include --with-binutils=$CLFS/bin
check_success
make
check_success
make install
check_success
cd ..

}
InstallFinallGCC()
{
echo -n "Install final gcc..."
mkdir mips-final-gcc
cd mips-final-gcc
rm -rf ./*
../gcc-4.8.2/configure --prefix=$CLFS \
--build=$HOST --target=$TARGET --host=$HOST \
--with-sysroot=$SYSROOT --enable-shared --disable-static --enable-languages=c,c++ \
--with-native-system-header-dir=/include \
--with-libs=$SYSROOT/lib \
--enable-__cxa_atexit --enable-c99 --enable-long-long --enable-threads=posix \
--disable-multilib \
--enable-checking=release \
--disable-nls \
--enable-libstdcxx-time
make  AS_FOR_TARGET="$CLFS/bin/$TARGET-as" LD_FOR_TARGET="$CLFS/bin/$TARGET-ld"
check_success
make install
check_success
cd ..
}

InstallKernelHeader
InstallBinutils
InstallStaticGCC
InstallEGLIB
InstallFinallGCC