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File PKGBUILD of Package gcc6

# Based on a modified version of the gcc PKGBUILD
# Maintainer:  Bartłomiej Piotrowski <bpiotrowski@archlinux.org>
# Contributor: 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=(gcc6 gcc6-libs gcc6-fortran gcc6-objc gcc6-ada gcc6-go gcc6-gcj)
pkgver=6.4.0
_pkgver=${pkgver:0:1}
_islver=0.17
_cloogver=0.18.4
pkgrel=3
pkgdesc='The GNU Compiler Collection'
arch=(i686 x86_64)
license=(GPL LGPL FDL custom)
url='http://gcc.gnu.org'
makedepends=(binutils libmpc gcc-ada doxygen java-environment-common zip jdk8-openjdk gtk2 libart-lgpl libxtst)
checkdepends=(dejagnu inetutils)
options=(!emptydirs)
_commit=45dd06cef49fe00a7839d7dff312b09e88910a51
source=(https://github.com/gcc-mirror/gcc/archive/${_commit}.tar.gz
        http://isl.gforge.inria.fr/isl-${_islver}.tar.bz2
        http://www.bastoul.net/cloog/pages/download/cloog-${_cloogver}.tar.gz
        c89 c99)
sha256sums=('b08983d585730186712b5e2b3392e468e8c9692d3bb6225dfdc2faf40c812437'
            '439b322f313aef562302ac162caccb0b90daedf88d49d62e00a5db6b9d83d6bb'
            '325adf3710ce2229b7eeb9e84d3b539556d093ae860027185e7af8a8b00a750e'
            '9bca88fe5074982c58fefa9f8c801e70bf14c6510b46de696602375e3f008dec'
            '297bbc8254dcb0a3fd97f645e3f3618267a65834ae39b96cbd6b1527ada1b56b')

_libdir=usr/lib/gcc/$CHOST/$pkgver

prepare() {
  cd gcc-${_commit}/

  # Link isl/cloog for in-tree builds
  ln -s ../isl-${_islver} isl
  ln -s ../cloog-${_cloogver} cloog

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

  # Arch Linux installs x86_64 libraries /lib
  [[ $CARCH == "x86_64" ]] && sed -i '/m64=/s/lib64/lib/' gcc/config/i386/t-linux64

  # hack! - some configure tests for header files using "$CPP $CPPFLAGS"
  sed -i "/ac_cpp=/s/\$CPPFLAGS/\$CPPFLAGS -O2/" {libiberty,gcc}/configure

  # Arch uses python version 3 as default python (for gcc6-gcj).
  sed -i '1s+python+python2+' libjava/contrib/aot-compile.in

  mkdir -p "$srcdir/gcc-build"
}

build() {
  cd gcc-build

  # using -pipe causes spurious test-suite failures
  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48565
  CFLAGS=${CFLAGS/-pipe/}
  CXXFLAGS=${CXXFLAGS/-pipe/}

  "$srcdir/gcc-${_commit}/configure" --prefix=/usr \
      --libdir=/usr/lib \
      --libexecdir=/usr/lib \
      --mandir=/usr/share/man \
      --infodir=/usr/share/info \
      --enable-languages=c,c++,ada,fortran,go,lto,objc,obj-c++,java \
      --enable-shared \
      --enable-threads=posix \
      --enable-libmpx \
      --with-system-zlib \
      --with-isl \
      --enable-__cxa_atexit \
      --disable-libunwind-exceptions \
      --enable-clocale=gnu \
      --disable-libstdcxx-pch \
      --disable-libssp \
      --enable-gnu-unique-object \
      --enable-linker-build-id \
      --enable-lto \
      --enable-plugin \
      --with-linker-hash-style=gnu \
      --enable-gnu-indirect-function \
      --disable-multilib \
      --disable-werror \
      --enable-checking=release \
      --enable-java-awt=gtk \
      --with-java-home="$JAVA_HOME" \
      --enable-libgcj-multifile \
      --enable-version-specific-runtime-libs \
      --program-suffix=-${_pkgver} \
      --build="$CHOST"

  make

  # make documentation
  make -C $CHOST/libstdc++-v3/doc doc-man-doxygen
}

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
  "$srcdir/gcc-${_commit}/contrib/test_summary"
}


package_gcc6-libs() {
  pkgdesc='Runtime libraries shipped by GCC'
  depends=('glibc>=2.25')
  options+=(!strip)

  cd gcc-build
  make -C $CHOST/libgcc DESTDIR="$pkgdir" install-shared
  rm -f "$pkgdir/$_libdir/libgcc_eh.a"

  for lib in libatomic \
             libcilkrts \
             libjava \
             libgfortran \
             libgo \
             libgomp \
             libitm \
             libquadmath \
             libsanitizer/{a,l,ub}san \
             libstdc++-v3/src \
             libvtv; do
    make -C $CHOST/$lib DESTDIR="$pkgdir" install-toolexeclibLTLIBRARIES
  done

  if [[ $CARCH == "x86_64" ]]; then
    make -C $CHOST/libsanitizer/tsan DESTDIR="$pkgdir" install-toolexeclibLTLIBRARIES
  fi

  make -C $CHOST/libobjc DESTDIR="$pkgdir" install-libs
  make -C $CHOST/libstdc++-v3/po DESTDIR="$pkgdir" install
  make -C $CHOST/libmpx DESTDIR="$pkgdir" install
  rm "$pkgdir"/$_libdir/libmpx.spec

  for lib in libgomp \
             libitm \
             libquadmath; do
    make -C $CHOST/$lib DESTDIR="$pkgdir" install-info
  done

  # Lazy way of dealing with conflicting files...
  rm -rf "${pkgdir}"/usr/share/{info,locale}

  # Remove libs that conflict with gcc6_go.
  rm -rf "${pkgdir}"/${_libdir}/libgo*

  # Install Runtime Library Exception
  install -Dm644 "$srcdir/gcc-${_commit}/COPYING.RUNTIME" \
    "$pkgdir/usr/share/licenses/$pkgname/RUNTIME.LIBRARY.EXCEPTION"
}

package_gcc6() {
  pkgdesc="The GNU Compiler Collection - C and C++ frontends"
  depends=("gcc6-libs=$pkgver-$pkgrel" 'binutils>=2.28' 'libmpc')
  options+=(staticlibs)

  cd gcc-build

  make -C gcc DESTDIR="$pkgdir" install-driver install-cpp install-gcc-ar \
    c++.install-common install-headers install-plugin install-lto-wrapper

  for _i in gcov gcov-dump gcov-tool; do
    install -Dm755 gcc/$_i "$pkgdir"/usr/bin/${_i}-${_pkgver}
  done
  for _i in cc1 cc1plus collect2 lto1; do
    install -Dm755 gcc/$_i "$pkgdir"/${_libdir}/${_i}-${_pkgver}
  done

  make -C $CHOST/libgcc DESTDIR="$pkgdir" install
  rm -vf "$pkgdir"/$_libdir/libgcc_s.so*

  make -C $CHOST/libstdc++-v3/src DESTDIR="$pkgdir" install
  make -C $CHOST/libstdc++-v3/include DESTDIR="$pkgdir" install
  make -C $CHOST/libstdc++-v3/libsupc++ DESTDIR="$pkgdir" install
  make -C $CHOST/libstdc++-v3/python DESTDIR="$pkgdir" install

  make DESTDIR="$pkgdir" install-libcc1
  install -d "$pkgdir/usr/share/gdb/auto-load/$_libdir"
  mv "$pkgdir"/$_libdir/libstdc++.so.6.*-gdb.py \
    "$pkgdir/usr/share/gdb/auto-load/$_libdir/"
  rm "$pkgdir"/$_libdir/libstdc++.so*

  make DESTDIR="$pkgdir" install-fixincludes
  make -C gcc DESTDIR="$pkgdir" install-mkheaders

  make -C lto-plugin DESTDIR="$pkgdir" install
  install -dm755 "$pkgdir"/usr/lib/bfd-plugins/
  ln -s $_libdir/liblto_plugin.so \
    "$pkgdir/usr/lib/bfd-plugins/"

  make -C $CHOST/libcilkrts DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS \
    install-nodist_cilkincludeHEADERS
  make -C $CHOST/libgomp DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS \
    install-nodist_libsubincludeHEADERS
  make -C $CHOST/libitm DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
  make -C $CHOST/libquadmath DESTDIR="$pkgdir" install-nodist_libsubincludeHEADERS
  make -C $CHOST/libsanitizer DESTDIR="$pkgdir" install-nodist_{saninclude,toolexeclib}HEADERS
  make -C $CHOST/libsanitizer/asan DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS
  make -C $CHOST/libmpx DESTDIR="$pkgdir" install-nodist_toolexeclibHEADERS

  #make -C libiberty DESTDIR="$pkgdir" install
  # install PIC version of libiberty
  #install -m644 libiberty/pic/libiberty.a "$pkgdir/$_libdir/"

  make -C gcc DESTDIR="$pkgdir" install-man install-info
  rm -f "$pkgdir"/usr/share/man/man1/{gccgo,gfortran}-${_pkgver}.1
  rm -f "$pkgdir"/usr/share/info/{gccgo,gfortran,gnat-style,gnat_rm,gnat_ugn}.info

  make -C libcpp DESTDIR="$pkgdir" install
  make -C gcc DESTDIR="$pkgdir" install-po

  # many packages expect this symlink
  ln -s gcc-${_pkgver} "$pkgdir"/usr/bin/cc-${_pkgver}

  # POSIX conformance launcher scripts for c89 and c99
  sed "s|%VER%|${_pkgver}|g" "${srcdir}/c89" |
    install -D -m644 /dev/stdin "${pkgdir}/usr/bin/c89-${_pkgver}"
  sed "s|%VER%|${_pkgver}|g" "${srcdir}/c99" |
    install -D -m644 /dev/stdin "${pkgdir}/usr/bin/c99-${_pkgver}"

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"

  # Lazy way of dealing with conflicting files...
  #rm -rf "${pkgdir}"/usr/share/{info,locale,man}
  rm -r "${pkgdir}"/usr/share/man/man7/{fsf-funding,gfdl,gpl}.7 "${pkgdir}"/usr/share/{info,locale}

  # Move potentially conflicting stuff to version specific subdirectory
  if [[ -d "${pkgdir}"/usr/lib/gcc/${CHOST}/lib/ ]]; then
      mv -v "${pkgdir}"/usr/lib/gcc/${CHOST}/lib/lib* \
          "${pkgdir}"/usr/lib/gcc/${CHOST}/${pkgver}/
  fi
  mv "$pkgdir"/usr/lib/bfd-plugins/liblto_plugin.so "${pkgdir}"/usr/lib/bfd-plugins/liblto_plugin-${_pkgver}.so
  mv "${pkgdir}"/usr/lib/*.so* "${pkgdir}"/${_libdir}/
  install -Dm755 gcc/cc1     "${pkgdir}"/${_libdir}/cc1
  install -Dm755 gcc/cc1plus "${pkgdir}"/${_libdir}/cc1plus
}

package_gcc6-fortran() {
  pkgdesc='Fortran front-end for GCC'
  depends=("gcc6=$pkgver-$pkgrel")

  cd gcc-build
  make -C $CHOST/libgfortran DESTDIR="$pkgdir" install-cafexeclibLTLIBRARIES \
    install-{toolexeclibDATA,nodist_fincludeHEADERS}
  make -C $CHOST/libgomp DESTDIR="$pkgdir" install-nodist_fincludeHEADERS
  make -C gcc DESTDIR="$pkgdir" fortran.install-{common,man}
  install -Dm755 gcc/f951 "$pkgdir/${_libdir}/f951-${_pkgver}"

  ln -s gfortran-6 "${pkgdir}/usr/bin/f95-${_pkgver}"

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"
}

package_gcc6-objc() {
  pkgdesc='Objective-C front-end for GCC'
  depends=("gcc6=$pkgver-$pkgrel")

  cd gcc-build
  make DESTDIR="$pkgdir" -C $CHOST/libobjc install-headers
  install -dm755 "$pkgdir/${_libdir}"
  install -m755 gcc/cc1obj     "$pkgdir/${_libdir}/cc1obj-${_pkgver}"
  install -m755 gcc/cc1objplus "$pkgdir/${_libdir}/cc1objplus-${_pkgver}"

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"
}

package_gcc6-ada() {
  pkgdesc='Ada front-end for GCC (GNAT)'
  depends=("gcc6=$pkgver-$pkgrel")
  options+=(staticlibs)

  cd gcc-build/gcc
  make DESTDIR="$pkgdir" ada.install-common
  install -m755 gnat1 "$pkgdir/${_libdir}/gnat1-${_pkgver}"

  ln -s gcc-${_pkgver} "${pkgdir}/usr/bin/gnatgcc-${_pkgver}"

  # insist on dynamic linking, but keep static libraries because gnatmake complains
  mv "$pkgdir"/${_libdir}/adalib/libgna{rl,t}-${_pkgver}.so "$pkgdir/usr/lib"
  ln -s libgnarl-${_pkgver}.so "$pkgdir/${_libdir}/libgnarl.so"
  ln -s libgnat-${_pkgver}.so "$pkgdir/${_libdir}/libgnat.so"
  #rm "${pkgdir}"/${_libdir}/adalib/libgna{rl,t}-${_pkgver}.so

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"
}

package_gcc6-go() {
  pkgdesc='Go front-end for GCC'
  depends=("gcc6=$pkgver-$pkgrel")
  conflicts=('go')

  cd gcc-build
  make -C $CHOST/libgo DESTDIR="$pkgdir" install-exec-am
  make DESTDIR="$pkgdir" install-gotools
  make -C gcc DESTDIR="$pkgdir" go.install-{common,man}

  rm -f "$pkgdir"/${_libdir}/libgo.so*
  install -Dm755 gcc/go1 "$pkgdir/${_libdir}/go1-${_pkgver}"

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"
}

package_gcc6-gcj() {
  pkgdesc='Java front-end for GCC'
  depends=("gcc6=$pkgver-$pkgrel")
  replaces=('gcc-gcj')

  cd gcc-build
  make -j1 DESTDIR="$pkgdir" install-target-libjava
  make -C gcc -j1 DESTDIR="$pkgdir" java.install-{common,man}

  install -m755 gcc/jc1 "${pkgdir}"/${_libdir}/
  install -m755 gcc/jvgenmain "${pkgdir}"/${_libdir}/

  # Remove conflicting files.
  rm -vf "$pkgdir"/usr/lib/gcc/$CHOST/lib/libgcc_s.so*
  rm -vf "$pkgdir"/${_libdir}/libg{cj,ij}*.so*

  # Rename two files to not conflict to classpath
  mv "$pkgdir"/usr/share/info/cp-tools{,-gcj}.info

  ln -sf gcj-${pkgver} "${pkgdir}"/usr/lib/gcj-${pkgver%.?}
  ln -sf libgcj-${pkgver}.jar "${pkgdir}"/usr/share/java/libgcj-${pkgver%.?}.jar
  ln -sf libgcj-${pkgver}.jar "${pkgdir}"/usr/share/java/libgcj.jar
  ln -sf libgcj-tools-${pkgver}.jar "${pkgdir}"/usr/share/java/libgcj-tools-${pkgver%.?}.jar
  ln -sf libgcj-tools-${pkgver}.jar "${pkgdir}"/usr/share/java/libgcj-tools.jar

  ls "${pkgdir}"/${_libdir}/
  rm -vf "${pkgdir}"/${_libdir}/{lib{gcov,gcc,gcc_eh}.a,crt{{begin,end}{,S,T},fastmath,prec{32,64,80}}.o,include/unwind.h}

  # Install Runtime Library Exception
  install -d "$pkgdir/usr/share/licenses/$pkgname/"
  ln -s /usr/share/licenses/gcc-libs/RUNTIME.LIBRARY.EXCEPTION \
    "$pkgdir/usr/share/licenses/$pkgname/"
}