{ lib, stdenv, fetchFromGitHub, bison, # boost derivation to use for the src and version. # This is used by the boost derivation to build # a b2 matching their version (by overriding this # argument). Infinite recursion is not an issue # since we only look at src and version of boost. useBoost ? { }, }: let defaultVersion = "4.4.1"; in stdenv.mkDerivation { pname = "boost-build"; version = if useBoost ? version then "boost-${useBoost.version}" else defaultVersion; src = useBoost.src or (fetchFromGitHub { owner = "boostorg"; repo = "build"; rev = defaultVersion; sha256 = "1r4rwlq87ydmsdqrik4ly5iai796qalvw7603mridg2nwcbbnf54"; }); # b2 is in a subdirectory of boost source tarballs postUnpack = lib.optionalString (useBoost ? src) '' sourceRoot="$sourceRoot/tools/build" ''; patches = useBoost.boostBuildPatches or [ ]; # Upstream defaults to gcc on darwin, but we use clang. postPatch = '' substituteInPlace src/build-system.jam \ --replace "default-toolset = darwin" "default-toolset = clang-darwin" '' + lib.optionalString (useBoost ? version && lib.versionAtLeast useBoost.version "1.82") '' patchShebangs --build src/engine/build.sh ''; nativeBuildInputs = [ bison ]; buildPhase = '' runHook preBuild ./bootstrap.sh runHook postBuild ''; installPhase = '' runHook preInstall ./b2 install --prefix="$out" # older versions of b2 created this symlink, # which we want to support building via useBoost. test -e "$out/bin/bjam" || ln -s b2 "$out/bin/bjam" runHook postInstall ''; meta = with lib; { homepage = "https://www.boost.org/build/"; license = lib.licenses.boost; platforms = platforms.unix; maintainers = with maintainers; [ ivan-tkatchev ]; }; }