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{ stdenv, lib, fetchgit, darwin, writeText
, ninja, python3
}:
let
# Note: Please use the recommended version for Chromium, e.g.:
# https://git.archlinux.org/svntogit/packages.git/tree/trunk/chromium-gn-version.sh?h=packages/gn
rev = "fd3d768bcfd44a8d9639fe278581bd9851d0ce3a";
revNum = "1718"; # git describe HEAD --match initial-commit | cut -d- -f3
version = "2020-03-09";
sha256 = "1asc14y8by7qcn10vbk467hvx93s30pif8r0brissl0sihsaqazr";
revShort = builtins.substring 0 7 rev;
lastCommitPosition = writeText "last_commit_position.h" ''
#ifndef OUT_LAST_COMMIT_POSITION_H_
#define OUT_LAST_COMMIT_POSITION_H_
#define LAST_COMMIT_POSITION_NUM ${revNum}
#define LAST_COMMIT_POSITION "${revNum} (${revShort})"
#endif // OUT_LAST_COMMIT_POSITION_H_
'';
in stdenv.mkDerivation {
pname = "gn-unstable";
inherit version;
src = fetchgit {
# Note: The TAR-Archives (+archive/${rev}.tar.gz) are not deterministic!
url = "https://gn.googlesource.com/gn";
inherit rev sha256;
};
nativeBuildInputs = [ ninja python3 ];
buildInputs = lib.optionals stdenv.isDarwin (with darwin; with apple_sdk.frameworks; [
libobjc
cctools
# frameworks
ApplicationServices
Foundation
AppKit
]);
buildPhase = ''
python build/gen.py --no-last-commit-position
ln -s ${lastCommitPosition} out/last_commit_position.h
ninja -j $NIX_BUILD_CORES -C out gn
'';
installPhase = ''
install -vD out/gn "$out/bin/gn"
'';
setupHook = ./setup-hook.sh;
meta = with lib; {
description = "A meta-build system that generates build files for Ninja";
homepage = "https://gn.googlesource.com/gn";
license = licenses.bsd3;
platforms = platforms.unix;
maintainers = with maintainers; [ stesie matthewbauer primeos ];
};
}
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