# This is the source.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() {
  cd lld

  cmake -B build -G Ninja                \
        -DCMAKE_BUILD_TYPE=Release       \
        -DCMAKE_INSTALL_PREFIX=/usr      \
        -DCMAKE_INSTALL_DOCDIR=share/doc \
        -DCMAKE_SKIP_RPATH=ON            \
        -DBUILD_SHARED_LIBS=ON           \
        -DLLVM_BUILD_DOCS=ON             \
        -DLLVM_ENABLE_SPHINX=ON          \
        -DLLVM_INCLUDE_TESTS=OFF         \
        -DLLVM_LINK_LLVM_DYLIB=ON        \
        -DSPHINX_WARNINGS_AS_ERRORS=OFF  \
        -DLLVM_MAIN_SRC_DIR="$BPM_SOURCE"/llvm
  cmake --build build
}

# The package function is executed in the source directory
# This function is used to move the compiled files into the output directory
package() {
  cd lld

  DESTDIR="$BPM_OUTPUT" cmake --install build

  # Fix https://bugs.llvm.org/show_bug.cgi?id=42455
  install -Dm644 "$BPM_SOURCE"/lld/docs/ld.lld.1 "$BPM_OUTPUT"/usr/share/man/man1/ld.lld.1

  # Remove documentation sources
  rm -r "$BPM_OUTPUT"/usr/share/doc/lld/html/{_sources,.buildinfo}

  # Install package license
  install -Dm644 "$BPM_SOURCE"/LICENSE.TXT "$BPM_OUTPUT"/usr/share/licenses/lld/LICENSE.TXT
}