#!/bin/sh
TARGET=mips-elf
PREFIX=$(pwd)/install

SRC_BINUTILS=binutils-2.36
SRC_GCC=gcc-10.2.0
SRC_NEWLIB=newlib-4.1.0
SRC_GMP=gmp-6.2.1
SRC_MPFR=mpfr-4.1.0
SRC_MPC=mpc-1.2.1
SRC_GDB=gdb-10.1

# ---------------------------------------------------------------
# 10. Binutils bauen und installieren
# ---------------------------------------------------------------
BINUTILS_FILENAME=$SRC_BINUTILS.tar.bz2
if [ ! -e $BINUTILS_FILENAME ]; then
  echo Downloading $SRC_BINUTILS
  wget ftp://ftp-stud.fht-esslingen.de/pub/Mirrors/ftp.gnu.org/binutils/$BINUTILS_FILENAME || exit 1
else
  echo Skipped downloading $SRC_BINUTILS
fi  

if [ ! -e ./$SRC_BINUTILS ]; then
  echo Unpacking $SRC_BINUTILS
  tar -xjf $BINUTILS_FILENAME || exit 1
else
  echo Skipped unpacking $SRC_BINUTILS
fi

if [ ! -e ./$SRC_BINUTILS-build ]; then
  echo Building $SRC_BINUTILS
  mkdir -p $SRC_BINUTILS-build
  cd $SRC_BINUTILS-build
  ../$SRC_BINUTILS/configure --target=$TARGET --prefix=$PREFIX --disable-nls --disable-werror || exit 1
  make -j4 || exit 1
  make install || exit 1
  cd ..
else
  echo $SRC_BINUTILS is already built.
fi

# ---------------------------------------------------------------
# 20. GMP bauen und installieren
# ---------------------------------------------------------------
GMP_FILENAME=$SRC_GMP.tar.lz
if [ ! -e $GMP_FILENAME ]; then
  echo Downloading $SRC_GMP
  wget http://gmplib.org/download/gmp/$GMP_FILENAME || exit 1
else
  echo Skipped downloading $SRC_GMP
fi  

if [ ! -e ./$SRC_GMP ]; then
  echo Unpacking $SRC_GMP
  tar --lzip -xf $GMP_FILENAME || exit 1
else
  echo Skipped unpacking $SRC_GMP
fi

if [ ! -e ./$SRC_GMP-build ]; then
  echo Building $SRC_GMP
  mkdir -p $SRC_GMP-build
  cd $SRC_GMP-build
  ../$SRC_GMP/configure --prefix=$PREFIX || exit 1
  make -j4 || exit 1
  make check || exit 1
  make install || exit 1
  cd ..
else
  echo $SRC_GMP is already built.
fi

# ---------------------------------------------------------------
# 30. MPFR bauen und installieren
# ---------------------------------------------------------------
MPFR_FILENAME=$SRC_MPFR.tar.bz2
if [ ! -e $MPFR_FILENAME ]; then
  echo Downloading $SRC_MPFR
  wget http://www.mpfr.org/mpfr-current/$MPFR_FILENAME || exit 1
else
  echo Skipped downloading $SRC_MPFR
fi  

if [ ! -e ./$SRC_MPFR ]; then
  echo Unpacking $SRC_MPFR
  tar -xjf $MPFR_FILENAME || exit 1
else
  echo Skipped unpacking $SRC_MPFR
fi

if [ ! -e ./$SRC_MPFR-build ]; then
  echo Building $SRC_MPFR
  mkdir -p $SRC_MPFR-build
  cd $SRC_MPFR-build
  ../$SRC_MPFR/configure --prefix=$PREFIX --with-gmp=$PREFIX || exit 1
  make -j4 || exit 1
  make check || exit 1
  make install || exit 1
  cd ..
else
  echo $SRC_MPFR is already built.
fi

# ---------------------------------------------------------------
# 31. MPC bauen und installieren
# ---------------------------------------------------------------
MPC_FILENAME=$SRC_MPC.tar.gz
if [ ! -e $MPC_FILENAME ]; then
  echo Downloading $SRC_MPC
  wget ftp://ftp.gnu.org/gnu/mpc/$MPC_FILENAME || exit 1
else
  echo Skipped downloading $SRC_MPC
fi  

if [ ! -e ./$SRC_MPC ]; then
  echo Unpacking $SRC_MPC
  tar -xzf $MPC_FILENAME || exit 1
else
  echo Skipped unpacking $SRC_MPC
fi

if [ ! -e ./$SRC_MPC-build ]; then
  echo Building $SRC_MPC
  mkdir -p $SRC_MPC-build
  cd $SRC_MPC-build
  ../$SRC_MPC/configure --prefix=$PREFIX --with-gmp=$PREFIX --with-mpfr=$PREFIX || exit 1
  make -j4 || exit 1
  make check || exit 1
  make install || exit 1
  cd ..
else
  echo $SRC_MPC is already built.
fi

# ---------------------------------------------------------------
# 40. GCC & newlib bauen und installieren
# ---------------------------------------------------------------
NEWLIB_FILENAME=$SRC_NEWLIB.tar.gz
if [ ! -e $NEWLIB_FILENAME ]; then
  echo Downloading $SRC_NEWLIB
  wget ftp://sourceware.org/pub/newlib/$NEWLIB_FILENAME || exit 1
else
  echo Skipped downloading $SRC_NEWLIB
fi  

if [ ! -e ./$SRC_NEWLIB ]; then
  echo Unpacking $SRC_NEWLIB
  tar -xzf $NEWLIB_FILENAME || exit 1
  if [ -e  $SRC_NEWLIB-jens.patch ]; then
    echo Patching $SRC_NEWLIB
    patch -p0 < $SRC_NEWLIB-jens.patch || exit 1
  fi	
else
  echo Skipped unpacking $SRC_NEWLIB
fi

GCC_FILENAME=$SRC_GCC.tar.gz
if [ ! -e $GCC_FILENAME ]; then
  echo Downloading $SRC_GCC
  wget ftp://ftp.gnu.org/gnu/gcc/$SRC_GCC/$GCC_FILENAME || exit 1
else
  echo Skipped downloading $SRC_GCC
fi  

if [ ! -e ./$SRC_GCC ]; then
  echo Unpacking $SRC_GCC
  tar -xzf $GCC_FILENAME || exit 1
  cd ./$SRC_GCC
  ln -sf ../$SRC_NEWLIB/newlib/ .
  cd ..
else
  echo Skipped unpacking $SRC_GCC
fi

if [ ! -e ./$SRC_GCC-build ]; then
  echo Building $SRC_GCC
  mkdir -p $SRC_GCC-build
  cd $SRC_GCC-build
  ../$SRC_GCC/configure --target=$TARGET --prefix=$PREFIX --with-gmp=$PREFIX --with-mpfr=$PREFIX --with-mpc=$PREFIX --with-float=soft --with-newlib --verbose --enable-languages="c,c++" --with-gnu-as --with-gnu-ld --disable-nls --disable-threads --disable-multilib --without-headers --disable-shared --enable-lto -disable-werror || exit 1
  make -j4 all || exit 1
  make info || exit 1
  make install || exit 1
  cd ..
  echo $PREFIX/lib >$TARGET.conf
  echo $PREFIX/$TARGET/lib >>$TARGET.conf
  echo "Do the following:"
  echo "    #$ sudo mv local.conf /etc/ld.so.conf.d/$TARGET.conf"
  echo "    #$ sudo ldconfig"
else
  echo $SRC_GCC is already built.
fi

# ---------------------------------------------------------------
# 50. GDB bauen und installieren
# ---------------------------------------------------------------
GDB_FILENAME=$SRC_GDB.tar.xz
if [ ! -e $GDB_FILENAME ]; then
  echo Downloading $SRC_GDB
  wget ftp://ftp.gnu.org/gnu/gdb/$GDB_FILENAME || exit 1
else
  echo Skipped downloading $SRC_GDB
fi  

if [ ! -e ./$SRC_GDB ]; then
  echo Unpacking $SRC_GDB
  tar -xJf $GDB_FILENAME || exit 1
else
  echo Skipped unpacking $SRC_GDB
fi

if [ ! -e ./$SRC_GDB-build ]; then
  echo Building $SRC_GDB
  mkdir -p $SRC_GDB-build
  cd $SRC_GDB-build
  ../$SRC_GDB/configure --target=$TARGET --prefix=$PREFIX || exit 1
  make || exit 1
  make install || exit 1
  cd ..
else
  echo $SRC_GDB is already built.
fi

echo Finished building toolchain.