6e6c8b7338
The reason for this change is explained in the long comment I added.
Here's a simple example of the problem:
let
pkgs = import <nixpkgs> { crossSystem.system = "aarch64-linux"; };
in
pkgs.callPackage ({ stdenv, s6-rc }: stdenv.mkDerivation {
name = "s6-rc-compiled";
nativeBuildInputs = [ s6-rc ];
buildCommand = ''
mkdir in
s6-rc-compile $out in
'';
}) {}
We're cross compiling for aarch64 here, so we'd expect the scripts
generated by this derivation to be things we could run on aarch64.
But when I build this on my x86_64 machine, without this change
applied, $out/servicedirs/s6rc-oneshot-runner/run gets generated full
of references to x86_64 non-cross store paths for execline, s6, and
s6-rc.
With this change applied, the scripts generated by the above
expression now refer to the cross-compiled aarch64 store paths for
execline, s6, and s6-rc.
110 lines
2.5 KiB
Nix
110 lines
2.5 KiB
Nix
{ lib, stdenv, cleanPackaging, fetchurl }:
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{
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# : string
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pname
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# : string
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, version
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# : string
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, sha256
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# : string
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, description
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# : list Platform
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, platforms ? lib.platforms.all
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# : list string
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, outputs ? [ "bin" "lib" "dev" "doc" "out" ]
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# TODO(Profpatsch): automatically infer most of these
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# : list string
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, configureFlags
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# : string
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, postConfigure ? null
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# mostly for moving and deleting files from the build directory
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# : lines
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, postInstall
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# : list Maintainer
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, maintainers ? []
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}:
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let
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# File globs that can always be deleted
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commonNoiseFiles = [
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".gitignore"
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"Makefile"
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"INSTALL"
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"configure"
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"patch-for-solaris"
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"src/**/*"
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"tools/**/*"
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"package/**/*"
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"config.mak"
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];
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# File globs that should be moved to $doc
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commonMetaFiles = [
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"COPYING"
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"AUTHORS"
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"NEWS"
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"CHANGELOG"
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"README"
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"README.*"
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];
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in stdenv.mkDerivation {
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inherit pname version;
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src = fetchurl {
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url = "https://skarnet.org/software/${pname}/${pname}-${version}.tar.gz";
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inherit sha256;
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};
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inherit outputs;
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dontDisableStatic = true;
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enableParallelBuilding = true;
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configureFlags = configureFlags ++ [
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"--enable-absolute-paths"
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# We assume every nix-based cross target has urandom.
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# This might not hold for e.g. BSD.
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"--with-sysdep-devurandom=yes"
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(if stdenv.isDarwin
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then "--disable-shared"
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else "--enable-shared")
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]
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# On darwin, the target triplet from -dumpmachine includes version number,
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# but skarnet.org software uses the triplet to test binary compatibility.
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# Explicitly setting target ensures code can be compiled against a skalibs
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# binary built on a different version of darwin.
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# http://www.skarnet.org/cgi-bin/archive.cgi?1:mss:623:heiodchokfjdkonfhdph
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++ (lib.optional stdenv.isDarwin
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"--build=${stdenv.hostPlatform.system}");
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inherit postConfigure;
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# TODO(Profpatsch): ensure that there is always a $doc output!
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postInstall = ''
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echo "Cleaning & moving common files"
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${cleanPackaging.commonFileActions {
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noiseFiles = commonNoiseFiles;
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docFiles = commonMetaFiles;
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}} $doc/share/doc/${pname}
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${postInstall}
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'';
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postFixup = ''
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${cleanPackaging.checkForRemainingFiles}
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'';
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meta = {
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homepage = "https://skarnet.org/software/${pname}/";
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inherit description platforms;
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license = lib.licenses.isc;
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maintainers = with lib.maintainers;
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[ pmahoney Profpatsch qyliss ] ++ maintainers;
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};
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}
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