pantry/projects/facebook.com/folly/package.yml

distributable:
  url: https://github.com/facebook/folly/releases/download/{{version.tag}}/folly-{{version.tag}}.tar.gz
  strip-components: 0

versions:
  github: facebook/folly

dependencies:
  boost.org: '*'
  gflags.github.io: '*'
  google.com/glog: '*'
  libevent.org: '*'
  lz4.org: 1
  openssl.org: ^1.1
  tukaani.org/xz: 5
  facebook.com/zstd: 1
  gnu.org/coreutils: 9
  google.github.io/snappy: '*'
  google.com/double-conversion: ^3
  fmt.dev: ^9
  zlib.net: ^1
  darwin:
    sourceware.org/bzip2: '*'

build:
  dependencies:
    cmake.org: ^3.0.2
    freedesktop.org/pkg-config: ^0.29
  script:
    # folly uses the path to build as part of a regex, but out paths have "+"s in them.
    # don't mess up the intentional newline
    - run: |
        sed -i.bak -E -f $PROP CMakeLists.txt
        rm CMakeLists.txt.bak
      prop: |
        /^REMOVE_MATCHES_FROM_LISTS\(files hfiles/ {
          i\\
        string(REPLACE "+" "\\\\\\\\+" ESCAPED_FOLLY_DIR "\${FOLLY_DIR}")
        }

        s/\^\$\{FOLLY_DIR\}/^\$\{ESCAPED_FOLLY_DIR\}/g

    - cmake $ARGS -DBUILD_SHARED_LIBS=ON -S . -B shared
    - cmake --build shared
    - cmake --install shared

    - cmake $ARGS -DBUILD_SHARED_LIBS=OFF -S . -B static
    - cmake --build static

    - run: cp $SRCROOT/static/libfolly.a libfollybenchmark.a
      working-directory: ${{prefix}}/static/folly

    - run: |
        sed -E -i.bak \
          -e "s:{{pkgx.prefix}}:\$\{_IMPORT_PREFIX\}/../../..:g" \
          -e '/^  INTERFACE_INCLUDE_DIRECTORIES/ s|/v([0-9]+)(\.[0-9]+)*[a-z]?/include|/v\1/include|g' \
          -e '/^  INTERFACE_LINK_LIBRARIES/ s|/v([0-9]+)(\.[0-9]+)*[a-z]?/lib|/v\1/lib|g' \
          folly-targets.cmake
        rm folly-targets.cmake.bak
      working-directory: ${{prefix}}/lib/cmake/folly

    - run: |
        sed -i.bak -e 's/-I[^ ]* *//g' libfolly.pc
        rm libfolly.pc.bak
      working-directory: ${{prefix}}/lib/pkgconfig

    # folly has libs that end up with name @rpath/libfolly.{{version}}.dylib (offset 24)
    # so we need to add @loader_path to the rpath
    - run: |
        for LIB in libfolly*.*.*.*-dev.dylib; do
          install_name_tool -add_rpath @loader_path $LIB
        done
      working-directory: ${{prefix}}/lib
      if: darwin
  env:
    ARGS:
      - -DCMAKE_INSTALL_PREFIX={{prefix}}
      - -DCMAKE_BUILD_TYPE=Release
      - -DBUILD_TESTING=OFF
      - -DCMAKE_VERBOSE_MAKEFILE=ON
    linux/aarch64:
      ARGS:
        - -DCMAKE_C_FLAGS=-fPIC
        - -DCMAKE_CXX_FLAGS=-fPIC
        - -DCMAKE_EXE_LINKER_FLAGS=-pie

test:
  fixture: |
    #include <folly/FBVector.h>
    int main() {
      folly::fbvector<int> numbers({0, 1, 2, 3});
      numbers.reserve(10);
      for (int i = 4; i < 10; i++) {
        numbers.push_back(i * 2);
      }
      assert(numbers[6] == 12);
      return 0;
    }
  script: |
    mv $FIXTURE b.cc
    c++ -std=c++17 b.cc -lfolly -ldl -lfmt -lglog
    ./a.out