diff options
Diffstat (limited to 'nixpkgs/pkgs/development/tools/build-managers/ekam/default.nix')
-rw-r--r-- | nixpkgs/pkgs/development/tools/build-managers/ekam/default.nix | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/tools/build-managers/ekam/default.nix b/nixpkgs/pkgs/development/tools/build-managers/ekam/default.nix new file mode 100644 index 000000000000..9247a2b21302 --- /dev/null +++ b/nixpkgs/pkgs/development/tools/build-managers/ekam/default.nix @@ -0,0 +1,67 @@ +{ lib, stdenv, fetchFromGitHub, capnproto }: + +stdenv.mkDerivation { + pname = "ekam"; + version = "unstable-2021-09-18"; + + src = fetchFromGitHub { + owner = "capnproto"; + repo = "ekam"; + rev = "77c338f8bd8f4a2ce1e6199b2a52363f1fccf388"; + sha256 = "0q4bizlb1ykzdp4ca0kld6xm5ml9q866xrj3ijffcnyiyqr51qr8"; + }; + + # The capnproto *source* is required to build ekam. + # https://github.com/capnproto/ekam/issues/5 + # + # Specifically, the git version of the source is required, as + # capnproto release tarballs do not include ekam rule files. + postUnpack = '' + mkdir -p $sourceRoot/deps + cp -r ${capnproto.src} $sourceRoot/deps/capnproto + ''; + + postPatch = '' + # A single capnproto test file expects to be able to write to + # /var/tmp. We change it to use /tmp because /var is not available + # under nix-build. + substituteInPlace deps/capnproto/c++/src/kj/filesystem-disk-test.c++ \ + --replace "/var/tmp" "/tmp" + ''; + + # NIX_ENFORCE_PURITY prevents ld from linking against anything outside + # of the nix store -- but ekam builds capnp locally and links against it, + # so that causes the build to fail. So, we turn this off. + # + # See: https://nixos.wiki/wiki/Development_environment_with_nix-shell#Troubleshooting + preBuild = '' + unset NIX_ENFORCE_PURITY + ''; + + makeFlags = [ + "PARALLEL=$(NIX_BUILD_CORES)" + ]; + + installPhase = '' + mkdir $out + cp -r bin $out + + # Remove capnproto tools; there's a separate nix package for that. + rm $out/bin/capnp* + # Don't distribute ekam-bootstrap, which is not needed outside this build. + rm $out/bin/ekam-bootstrap + ''; + + meta = with lib; { + description = ''Build system ("make" in reverse)''; + longDescription = '' + Ekam ("make" spelled backwards) is a build system which automatically + figures out what to build and how to build it purely based on the + source code. No separate "makefile" is needed. + ''; + homepage = "https://github.com/capnproto/ekam"; + license = licenses.asl20; + platforms = platforms.linux; + maintainers = [ maintainers.garrison ]; + }; +} |