# $Id: PKGBUILD 145914 2012-01-04 01:24:56Z allan $
# Maintainer: Allan McRae <allan@archlinux.org>

# toolchain build order: linux-api-headers->glibc->binutils->gcc->binutils->glibc
# NOTE: libtool requires rebuilt with each new gcc version
_pkgname=gcc
_target="mips64el-unknown-linux-gnu"
_sysroot="/usr/${_target}"
_ARCH=mips

unset LDFLAGS CFLAGS CXXFLAGS

# Split package names must be changed manually
pkgname=("${_target}-gcc" "${_target}-gcc-libs" "${_target}-gcc-fortran" "${_target}-gcc-objc") # "gcc-ada" "gcc-go")
pkgver=4.6.2
pkgrel=5
_snapshot=4.6-20111223
_libstdcppmanver=20111215		# Note: check source directory name when updating this
pkgdesc="The GNU Compiler Collection for MIPS/Loongson2f processors"
arch=('i686' 'x86_64')
license=('GPL' 'LGPL' 'FDL' 'custom')
url="http://gcc.gnu.org"
makedepends=("${_target}-binutils>=2.22" "libmpc" "cloog" "ppl"
             "cross-${_target}-gcc-core-shared"
             "${_target}-glibc")
checkdepends=('dejagnu')
options=('!libtool' '!emptydirs' '!strip')
source=(#ftp://gcc.gnu.org/pub/gcc/releases/gcc-${pkgver}/gcc-${pkgver}.tar.bz2
	ftp://gcc.gnu.org/pub/gcc/snapshots/${_snapshot}/gcc-${_snapshot}.tar.bz2
	ftp://gcc.gnu.org/pub/gcc/libstdc++/doxygen/libstdc++-man.${_libstdcppmanver}.tar.bz2
	gcc_pure64.patch
    gcc_mips64el_lib.patch
	gcc-hash-style-both.patch)

if [ -n "${_snapshot}" ]; then
  _basedir="${srcdir}/gcc-${_snapshot}"
else
  _basedir="${srcdir}/gcc-${pkgver}"
fi

build() {
   if [ ${NOEXTRACT} -eq 0 ]; then
      cd ${_basedir}

      # Do not install libiberty
      sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in

      # Do not run fixincludes
      sed -i 's@\./fixinc\.sh@-c true@' gcc/Makefile.in

      if [ "${CARCH}" = "x86_64" ]; then
        patch -Np1 -i ${srcdir}/gcc_pure64.patch
      fi
      patch -Np0 -i ${srcdir}/gcc-hash-style-both.patch
      patch -Np0 -i ${srcdir}/gcc_mips64el_lib.patch

      echo ${pkgver} > gcc/BASE-VER

      mkdir ${srcdir}/gcc-build
  fi

  cd ${srcdir}/gcc-build

  CC_FOR_BUILD=${CHOST}-gcc \
  CFLAGS=" -pipe " \
  LDFLAGS= \
  CFLAGS_FOR_TARGET=" -EL -march=loongson2f -mabi=n32 " \
  CXXFLAGS_FOR_TARGET=" -EL -march=loongson2f -mabi=n32 " \
  LDFLAGS_FOR_TARGET=" -EL " \
  ${_basedir}/configure --prefix=/usr \
      --build=${CHOST} \
      --host=${CHOST} \
      --target=${_target} \
      --libexecdir=/usr/lib \
      --with-sysroot=${_sysroot} \
      --with-arch=loongson2f \
      --with-abi=n32 \
      --with-bugurl=https://bugs.parabolagnulinux.org/ \
      --enable-languages=c,c++,fortran,lto,objc,obj-c++ \
      --enable-shared \
      --enable-threads=posix \
      --with-system-zlib \
      --enable-__cxa_atexit \
      --disable-libunwind-exceptions \
      --enable-clocale=gnu \
      --enable-gnu-unique-object \
      --enable-linker-build-id \
      --with-ppl \
      --enable-cloog-backend=isl \
      --enable-lto \
      --enable-gold \
      --enable-ld=default \
      --enable-plugin \
      --with-plugin-ld=ld.gold \
      --disable-multilib \
      --disable-libssp \
      --disable-libstdcxx-pch \
      --enable-checking=release

  make
}

check() {
  cd gcc-build

  # increase stack size to prevent test failures
  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31827
  ulimit -s 32768

  # do not abort on error as some are "expected"
  make -k check || true
  ${_basedir}/contrib/test_summary
}


package_mips64el-unknown-linux-gnu-gcc-libs()
{
  pkgdesc="Runtime libraries shipped by GCC"
  groups=("${_target}-devel")
  depends=("${_target}-glibc>=2.14")
  install=gcc-libs.install

  cd gcc-build
  make -j1 -C ${_target}/libgcc DESTDIR=${pkgdir} install-shared
  for lib in libmudflap libgomp libstdc++-v3/src; do
    make -j1 -C $_target/$lib DESTDIR=${pkgdir} install-toolexeclibLTLIBRARIES
  done
  make -j1 -C $_target/libstdc++-v3/po DESTDIR=${pkgdir} install
  make -j1 -C $_target/libgomp DESTDIR=${pkgdir} install-info

  make -j1 DESTDIR=${pkgdir} install-target-libquadmath  
  make -j1 DESTDIR=${pkgdir} install-target-libgfortran
  make -j1 DESTDIR=${pkgdir} install-target-libobjc

  # remove unnecessary files installed by install-target-{libquadmath,libgfortran,libobjc}
  rm -rf ${pkgdir}${_sysroot}/usr/lib{,32}/{gcc/,libgfortran.spec}

  rm -rf ${pkgdir}/usr/share

  # remove static libraries
  find ${pkgdir} -name *.a -delete
  
  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/${_target}-gcc-libs/RUNTIME.LIBRARY.EXCEPTION
}

package_mips64el-unknown-linux-gnu-gcc()
{
  pkgdesc="The GNU Compiler Collection - C and C++ frontends"
  depends=("${_target}-gcc-libs=$pkgver-$pkgrel" "${_target}-binutils>=2.22" 'libmpc' 'cloog' 'ppl')
  groups=("${_target}-devel")
  replaces=("cross-${_target}-gcc-core"
            "cross-${_target}-gcc-core-shared")
  install=gcc.install

  cd gcc-build
  
  # unfortunately it is much, much easier to install the lot and clean-up the mess...
  make -j1 DESTDIR=${pkgdir} install

  rm -rf ${pkgdir}/usr/share

  rm -f $pkgdir/usr/bin/{{$_target-,}gfortran,{$_target-,}gccgo,gnat*}
  rm -f $pkgdir${_sysroot}/lib{,32}/*.so*
  rm -f $pkgdir${_sysroot}/lib{,32}/lib{ffi,gfortran,go{,begin},objc,quadmath}.a
  rm -f $pkgdir${_sysroot}/lib{,32}/libgfortran.spec
  rm -rf $pkgdir/usr/lib{,32}/gcc/$_target/${pkgver}/{ada{include,lib},finclude,include/objc}
  rm -f $pkgdir/usr/lib{,32}/gcc/$_target/${pkgver}/include/{ffi{,target}.h,quadmath{,_weak}.h}
  rm -f $pkgdir/usr/lib{,32}/gcc/$_target/${pkgver}/{cc1obj{,plus},f951,gnat1,go1,libgfortranbegin.a}
  rm -rf $pkgdir/usr/lib{,32}/go

  # many packages require these symlinks
  install -dm755 ${pkgdir}/lib

  ln -sf /usr/bin/cpp ${pkgdir}/lib/${_target}-cpp
  ln -sf ${_target}-gcc ${pkgdir}/usr/bin/${_target}-cc
  ln -sf ${_target}-g++ ${pkgdir}/usr/bin/${_target}-c++

  # install gengtype for plugin support
  install -m755 gcc/build/gengtype $pkgdir/usr/lib/gcc/$_target/${pkgver}/
  install -m644 gcc/gtype.state $pkgdir/usr/lib/gcc/$_target/${pkgver}/

  # POSIX conformance launcher scripts for c89 and c99
  cat > $pkgdir/usr/bin/${_target}-c89 <<"EOF"
#!/bin/sh
fl="-std=c89"
for opt; do
  case "$opt" in
    -ansi|-std=c89|-std=iso9899:1990) fl="";;
    -std=*) echo "`basename $0` called with non ANSI/ISO C option $opt" >&2
	    exit 1;;
  esac
done
exec mips64el-unknown-linux-gnu-gcc $fl ${1+"$@"}
EOF

  cat > $pkgdir/usr/bin/${_target}-c99 <<"EOF"
#!/bin/sh
fl="-std=c99"
for opt; do
  case "$opt" in
    -std=c99|-std=iso9899:1999) fl="";;
    -std=*) echo "`basename $0` called with non ISO C99 option $opt" >&2
	    exit 1;;
  esac
done
exec mips64el-unknown-linux-gnu-gcc $fl ${1+"$@"}
EOF

  chmod 755 $pkgdir/usr/bin/${_target}-c{8,9}9

  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/${_target}-gcc/RUNTIME.LIBRARY.EXCEPTION
}

package_mips64el-unknown-linux-gnu-gcc-fortran()
{
  pkgdesc="Fortran front-end for GCC"
  depends=("${_target}-gcc=$pkgver-$pkgrel")
  install=gcc-fortran.install

  cd gcc-build
  make -j1 DESTDIR=${pkgdir} install-target-libquadmath
  make -j1 DESTDIR=$pkgdir install-target-libgfortran
  make -j1 -C $_target/libgomp DESTDIR=$pkgdir install-nodist_fincludeHEADERS
  make -j1 -C gcc DESTDIR=$pkgdir fortran.install-{common,man,info}
  install -Dm755 gcc/f951 $pkgdir/usr/lib/gcc/$_target/$pkgver/f951
  
  # remove libraries included in gcc-libs
  rm -f ${pkgdir}${_sysroot}/lib{,32}/lib{gfortran,quadmath}.so*
  rm -fr ${pkgdir}/usr/share
  
  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/${_target}-gcc-fortran/RUNTIME.LIBRARY.EXCEPTION
}

package_mips64el-unknown-linux-gnu-gcc-objc()
{
  pkgdesc="Objective-C front-end for GCC"
  depends=("${_target}-gcc=$pkgver-$pkgrel")

  cd gcc-build
  make -j1 DESTDIR=$pkgdir install-target-libobjc
  install -dm755 $pkgdir/usr/lib/gcc/$_target/$pkgver/
  install -m755 gcc/cc1obj{,plus} $pkgdir/usr/lib/gcc/$_target/$pkgver/

  # remove libraries included in gcc-libs
  rm -f ${pkgdir}${_sysroot}/lib{,32}/libobjc.so*

  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/${_target}-gcc-objc/RUNTIME.LIBRARY.EXCEPTION
}

package_gcc-ada()
{
  pkgdesc="Ada front-end for GCC (GNAT)"
  depends=("${_target}-gcc=$pkgver-$pkgrel")
  install=gcc-ada.install

  cd gcc-build/gcc
  make -j1 DESTDIR=$pkgdir ada.install-{common,info}
  install -m755 gnat1 $pkgdir/usr/lib/gcc/$_target/$pkgver
  
  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/gcc-ada/RUNTIME.LIBRARY.EXCEPTION
}

package_gcc-go()
{
  pkgdesc="Go front-end for GCC"
  depends=("${_target}-gcc=$pkgver-$pkgrel")
  install=gcc-go.install

  cd gcc-build
  make -j1 DESTDIR=$pkgdir install-target-libgo
  make -j1 -C gcc DESTDIR=$pkgdir go.install-{common,man,info}
  install -Dm755 gcc/go1 $pkgdir/usr/lib/gcc/$_target/$pkgver/go1

  # Install Runtime Library Exception
  install -Dm644 ${_basedir}/COPYING.RUNTIME \
    ${pkgdir}/usr/share/licenses/gcc-go/RUNTIME.LIBRARY.EXCEPTION
}
md5sums=('4755b9f6ac0abecbaa2097ed9738406a'
         '450772ce32daed97d7383199f8797f33'
         '4030ee1c08dd1e843c0225b772360e76'
         '67e337993d821d72fccacbed52d48c34'
         '4df25b623799b148a0703eaeec8fdf3f')