# This is the recipe.sh script. It is executed by BPM in a temporary directory when compiling a source package
# BPM Expects the source code to be extracted into the automatically created 'source' directory which can be accessed using $BPM_SOURCE
# BPM Expects the output files to be present in the automatically created 'output' directory which can be accessed using $BPM_OUTPUT

# The prepare function is executed in the root of the temp directory
# This function is used for putting downloaded files to the correct location or applying patches
prepare() {
  cd "$BPM_SOURCE"
  # mmapio.c:69:14: error: implicit declaration of function ‘getpagesize’
  sed -i 's|\-Werror||g' libbacktrace/configure
}

# The build function is executed in the source directory
# This function is used to compile the source code
build() {
  for target in x86_64-w64-mingw32 i686-w64-mingw32; do
    mkdir "$BPM_SOURCE"/${target}
    cd "$BPM_SOURCE"/${target}

    echo "Building for target ${target}"
    ../configure --prefix=/usr \
                 --target=${target} \
                 --disable-multilib \
                 --enable-threads=posix \
                 --enable-shared \
                 --enable-cloog-backend=isl \
                 --enable-languages=c,c++
    make
  done
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  for target in x86_64-w64-mingw32 i686-w64-mingw32; do
    cd "$BPM_SOURCE"/${target}

    make DESTDIR="$BPM_OUTPUT" install

    # Create 'cc' symlink which is required by some packages
    ln -s ${target}-gcc "$BPM_OUTPUT"/usr/bin/${target}-cc
  done

  # Install package license
  install -Dm644 "$BPM_SOURCE"/COPYING{,3}{,.LIB} -t "$BPM_OUTPUT"/usr/share/licenses/mingw-w64-gcc
}