nixpkgs/pkgs/development/tools/boost-build/default.nix
sternenseemann f3a42b27e3 boost-build: allow supplying a boost version to build b2 for
The `useBoost` argument expects an attribute set with an src and version
attribute (so a boost derivation works) and builds b2 for the given
version of boost. This is useful when bootstrapping boost: We can
override boost-build to get a boost-build derivation matching the
current boost version we want to build (b2 is not backwards compatible
enough to build older boost versions) without the need of having
one boost-build${version} attribute for every boost version we have
which is not very useful for nixpkgs' users.
2021-08-04 12:00:55 +02:00

70 lines
1.5 KiB
Nix

{ 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 = [
# Upstream defaults to gcc on darwin, but we use clang.
./darwin-default-toolset.patch
];
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 ];
};
}