# 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 build function is executed in the source directory
# This function is used to compile the source code
build() {
  ./bootstrap.sh --prefix="$BPM_OUTPUT"/usr --with-toolset=gcc --with-icu --with-python=python3
  ./b2 stage -j$(nproc) variant=release threading=multi link=shared toolset=gcc cflags="$CPPFLAGS $CFLAGS" cxxflags="$CPPFLAGS $CXXFLAGS" linkflags="$LDFLAGS"
}

_pick() {
  local p="$1" f d; shift
  for f; do
    [ -d "$BPM_WORKDIR"/output_"$p" ] || { echo "Split package $p not found"; exit 1; } 
    d="$BPM_WORKDIR"/output_"$p"/"${f#$BPM_OUTPUT}"
    mkdir -p "$(dirname "$d")"
    mv "$f" "$d"
    rmdir -p --ignore-fail-on-non-empty "$(dirname "$f")"
  done
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package_boost() {
  ./b2 install --prefix="$BPM_OUTPUT"/usr threading=multi link=shared

  cd "$BPM_OUTPUT"

  # Move runtime libraries into split package
  _pick boost-libs usr/lib/libboost_*

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE_1_0.txt "$BPM_OUTPUT"/usr/share/licenses/boost/LICENSE
}

package_boost-libs() {
  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE_1_0.txt "$BPM_OUTPUT"/usr/share/licenses/boost/LICENSE
}