# Maintainer of official package: Felix Yan <felixonmars@archlinux.org>

# Same as official package but uses symlinks instead of hard links allowing
# installation when /usr/i686-w64-mingw32 and /usr/x86_64-w64-mingw32 are
# bound from another partition.

pkgname=mingw-w64-binutils-symlinks
pkgver=2.42
pkgrel=1
pkgdesc="Cross binutils for the MinGW-w64 cross-compiler"
arch=('x86_64')
url="http://www.gnu.org/software/binutils"
license=(GPL-2.0-or-later GPL-3.0-or-later LGPL-2.0-or-later LGPL-3.0-or-later GFDL-1.3 FSFAP)
groups=('mingw-w64-toolchain' 'mingw-w64')
depends=('zlib')
provides=('mingw-w64-binutils')
conflicts=('mingw-w64-binutils');
options=('!libtool' '!emptydirs')
validpgpkeys=('3A24BC1E8FB409FA9F14371813FCEF89DD9E3C4F')  # Nick Clifton (Chief Binutils Maintainer) <nickc@redhat.com>
source=("https://ftp.gnu.org/gnu/binutils/binutils-${pkgver}.tar.gz"{,.sig})
sha512sums=('1e4ee462513eadd3c540e4782f9661df62ecbcd4d6297d61dcc0845ae7d30243c57571787706af3bb4d561e4350609d7057307290e81d76290a301f159a6abc5'
            'SKIP')

_targets="i686-w64-mingw32 x86_64-w64-mingw32"

prepare() {
  cd "$srcdir"/binutils-${pkgver}
  #do not install libiberty
  sed -i 's/install_to_$(INSTALL_DEST) //' libiberty/Makefile.in
}

build() {
  # Fix the check for limits.h and certain other checks by dropping the fortify flag from CPPFLAGS
  # note: Otherwise libiberty/config.h lacks HAVE_LIMITS_H and the compilation runs into errors like:
  #  /build/gcc-static-compat/src/gcc/libiberty/fibheap.c:38:25: error: ‘LONG_MIN’ undeclared (first use in this function)
  #  38 | #define FIBHEAPKEY_MIN  LONG_MIN
  #     |                         ^~~~~~~~
  #  /build/gcc-static-compat/src/gcc/libiberty/fibheap.c:220:30: note: in expansion of macro ‘FIBHEAPKEY_MIN’
  #  220 |   if (okey == key && okey != FIBHEAPKEY_MIN)
  #      |                              ^~~~~~~~~~~~~~
  #  /build/gcc-static-compat/src/gcc/libiberty/fibheap.c:36:1: note: ‘LONG_MIN’ is defined in header ‘<limits.h>’; did you forget to ‘#include <limits.h>’?
  #   35 | #include "fibheap.h"
  #  +++ |+#include <limits.h>
  CPPFLAGS=${CPPFLAGS/-D_FORTIFY_SOURCE=2}

  for _target in $_targets; do
    echo "Building ${_target} cross binutils"
    mkdir -p "$srcdir"/binutils-${_target} && cd "${srcdir}/binutils-${_target}"
    "$srcdir"/binutils-${pkgver}/configure --prefix=/usr \
        --target=${_target} \
        --infodir=/usr/share/info/${_target} \
        --enable-lto --enable-plugins \
        --enable-deterministic-archives \
        --disable-multilib --disable-nls \
        --disable-werror
     make -O
  done
}

package() {
  for _target in ${_targets}; do
    echo "Installing ${_target} cross binutils"
    cd "$srcdir"/binutils-${_target}
    make DESTDIR="$pkgdir" install

    rm "$pkgdir"/usr/lib/bfd-plugins/libdep.so
  done

  cd "${pkgdir}/usr/bin"
  for file in *; do
    if [[ ! -L $file ]] && [[ ! -d $file ]]; then
      local _arch="${file%*-w64-mingw32*}"
      local _name="${file#*-w64-mingw32-}"
      local _target="/usr/${_arch}-w64-mingw32/bin/${_name}"
      if [[ -f ${pkgdir}/${_target} ]]; then
        ln -sf "${_target}" "${file}"
      fi
    fi
  done
}