nixpkgs/pkgs/stdenv/generic/make-derivation.nix
Matthew Bauer c7ccb9f197 make-derivation: put patches in all derivations
This puts patches in all derivations even if it unspecified by the
derivation. By default it will be an empty list. This simplifies
overrides, as we can now assume that patches is a valid name so that
this works:

self: super: {
  mypkg = super.pkg.overrideAttrs (o: {
    patches = o.patches ++ [ ./my-very-own.patch ];
  });
}

That is, you don’t need to provide a default "or []", make-derivation
provides one for you.

Unfortunately, this is a mass rebuild.
2019-04-16 22:51:26 -04:00

327 lines
15 KiB
Nix

{ lib, config, stdenv }:
let
checkMeta = import ./check-meta.nix {
inherit lib config;
# Nix itself uses the `system` field of a derivation to decide where
# to build it. This is a bit confusing for cross compilation.
inherit (stdenv) hostPlatform;
};
in rec {
# `mkDerivation` wraps the builtin `derivation` function to
# produce derivations that use this stdenv and its shell.
#
# See also:
#
# * https://nixos.org/nixpkgs/manual/#sec-using-stdenv
# Details on how to use this mkDerivation function
#
# * https://nixos.org/nix/manual/#ssec-derivation
# Explanation about derivations in general
mkDerivation =
{
# These types of dependencies are all exhaustively documented in
# the "Specifying Dependencies" section of the "Standard
# Environment" chapter of the Nixpkgs manual.
# TODO(@Ericson2314): Stop using legacy dep attribute names
# host offset -> target offset
depsBuildBuild ? [] # -1 -> -1
, depsBuildBuildPropagated ? [] # -1 -> -1
, nativeBuildInputs ? [] # -1 -> 0 N.B. Legacy name
, propagatedNativeBuildInputs ? [] # -1 -> 0 N.B. Legacy name
, depsBuildTarget ? [] # -1 -> 1
, depsBuildTargetPropagated ? [] # -1 -> 1
, depsHostHost ? [] # 0 -> 0
, depsHostHostPropagated ? [] # 0 -> 0
, buildInputs ? [] # 0 -> 1 N.B. Legacy name
, propagatedBuildInputs ? [] # 0 -> 1 N.B. Legacy name
, depsTargetTarget ? [] # 1 -> 1
, depsTargetTargetPropagated ? [] # 1 -> 1
, checkInputs ? []
, installCheckInputs ? []
# Configure Phase
, configureFlags ? []
, cmakeFlags ? []
, # Target is not included by default because most programs don't care.
# Including it then would cause needless mass rebuilds.
#
# TODO(@Ericson2314): Make [ "build" "host" ] always the default.
configurePlatforms ? lib.optionals
(stdenv.hostPlatform != stdenv.buildPlatform)
[ "build" "host" ]
# TODO(@Ericson2314): Make unconditional / resolve #33599
# Check phase
, doCheck ? config.doCheckByDefault or false
# TODO(@Ericson2314): Make unconditional / resolve #33599
# InstallCheck phase
, doInstallCheck ? config.doCheckByDefault or false
, # TODO(@Ericson2314): Make always true and remove
strictDeps ? stdenv.hostPlatform != stdenv.buildPlatform
, meta ? {}
, passthru ? {}
, pos ? # position used in error messages and for meta.position
(if attrs.meta.description or null != null
then builtins.unsafeGetAttrPos "description" attrs.meta
else if attrs.version or null != null
then builtins.unsafeGetAttrPos "version" attrs
else builtins.unsafeGetAttrPos "name" attrs)
, separateDebugInfo ? false
, outputs ? [ "out" ]
, __darwinAllowLocalNetworking ? false
, __impureHostDeps ? []
, __propagatedImpureHostDeps ? []
, sandboxProfile ? ""
, propagatedSandboxProfile ? ""
, hardeningEnable ? []
, hardeningDisable ? []
, patches ? []
, ... } @ attrs:
let
# TODO(@oxij, @Ericson2314): This is here to keep the old semantics, remove when
# no package has `doCheck = true`.
doCheck' = doCheck && stdenv.hostPlatform == stdenv.buildPlatform;
doInstallCheck' = doInstallCheck && stdenv.hostPlatform == stdenv.buildPlatform;
separateDebugInfo' = separateDebugInfo && stdenv.hostPlatform.isLinux && !(stdenv.hostPlatform.useLLVM or false);
outputs' = outputs ++ lib.optional separateDebugInfo' "debug";
fixedOutputDrv = attrs ? outputHash;
noNonNativeDeps = builtins.length (depsBuildTarget ++ depsBuildTargetPropagated
++ depsHostHost ++ depsHostHostPropagated
++ buildInputs ++ propagatedBuildInputs
++ depsTargetTarget ++ depsTargetTargetPropagated) == 0;
dontAddHostSuffix = attrs ? outputHash && !noNonNativeDeps || (stdenv.noCC or false);
supportedHardeningFlags = [ "fortify" "stackprotector" "pie" "pic" "strictoverflow" "format" "relro" "bindnow" ];
defaultHardeningFlags = if stdenv.hostPlatform.isMusl
then supportedHardeningFlags
else lib.remove "pie" supportedHardeningFlags;
enabledHardeningOptions =
if builtins.elem "all" hardeningDisable
then []
else lib.subtractLists hardeningDisable (defaultHardeningFlags ++ hardeningEnable);
# hardeningDisable additionally supports "all".
erroneousHardeningFlags = lib.subtractLists supportedHardeningFlags (hardeningEnable ++ lib.remove "all" hardeningDisable);
in if builtins.length erroneousHardeningFlags != 0
then abort ("mkDerivation was called with unsupported hardening flags: " + lib.generators.toPretty {} {
inherit erroneousHardeningFlags hardeningDisable hardeningEnable supportedHardeningFlags;
})
else let
doCheck = doCheck';
doInstallCheck = doInstallCheck';
outputs = outputs';
references = nativeBuildInputs ++ buildInputs
++ propagatedNativeBuildInputs ++ propagatedBuildInputs;
dependencies = map (map lib.chooseDevOutputs) [
[
(map (drv: drv.__spliced.buildBuild or drv) depsBuildBuild)
(map (drv: drv.nativeDrv or drv) nativeBuildInputs
++ lib.optional separateDebugInfo' ../../build-support/setup-hooks/separate-debug-info.sh
++ lib.optional stdenv.hostPlatform.isWindows ../../build-support/setup-hooks/win-dll-link.sh
++ lib.optionals doCheck checkInputs
++ lib.optionals doInstallCheck' installCheckInputs)
(map (drv: drv.__spliced.buildTarget or drv) depsBuildTarget)
]
[
(map (drv: drv.__spliced.hostHost or drv) depsHostHost)
(map (drv: drv.crossDrv or drv) buildInputs)
]
[
(map (drv: drv.__spliced.targetTarget or drv) depsTargetTarget)
]
];
propagatedDependencies = map (map lib.chooseDevOutputs) [
[
(map (drv: drv.__spliced.buildBuild or drv) depsBuildBuildPropagated)
(map (drv: drv.nativeDrv or drv) propagatedNativeBuildInputs)
(map (drv: drv.__spliced.buildTarget or drv) depsBuildTargetPropagated)
]
[
(map (drv: drv.__spliced.hostHost or drv) depsHostHostPropagated)
(map (drv: drv.crossDrv or drv) propagatedBuildInputs)
]
[
(map (drv: drv.__spliced.targetTarget or drv) depsTargetTargetPropagated)
]
];
computedSandboxProfile =
lib.concatMap (input: input.__propagatedSandboxProfile or [])
(stdenv.extraNativeBuildInputs
++ stdenv.extraBuildInputs
++ lib.concatLists dependencies);
computedPropagatedSandboxProfile =
lib.concatMap (input: input.__propagatedSandboxProfile or [])
(lib.concatLists propagatedDependencies);
computedImpureHostDeps =
lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or [])
(stdenv.extraNativeBuildInputs
++ stdenv.extraBuildInputs
++ lib.concatLists dependencies));
computedPropagatedImpureHostDeps =
lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or [])
(lib.concatLists propagatedDependencies));
derivationArg =
(removeAttrs attrs
["meta" "passthru" "pos"
"checkInputs" "installCheckInputs"
"__darwinAllowLocalNetworking"
"__impureHostDeps" "__propagatedImpureHostDeps"
"sandboxProfile" "propagatedSandboxProfile"])
// (lib.optionalAttrs (!(attrs ? name) && attrs ? pname && attrs ? version)) {
name = "${attrs.pname}-${attrs.version}";
} // (lib.optionalAttrs (stdenv.hostPlatform != stdenv.buildPlatform && !dontAddHostSuffix && (attrs ? name || (attrs ? pname && attrs ? version)))) {
# Fixed-output derivations like source tarballs shouldn't get a host
# suffix. But we have some weird ones with run-time deps that are
# just used for their side-affects. Those might as well since the
# hash can't be the same. See #32986.
name = "${attrs.name or "${attrs.pname}-${attrs.version}"}-${stdenv.hostPlatform.config}";
} // {
builder = attrs.realBuilder or stdenv.shell;
args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
inherit stdenv;
# The `system` attribute of a derivation has special meaning to Nix.
# Derivations set it to choose what sort of machine could be used to
# execute the build, The build platform entirely determines this,
# indeed more finely than Nix knows or cares about. The `system`
# attribute of `buildPlatfom` matches Nix's degree of specificity.
# exactly.
inherit (stdenv.buildPlatform) system;
userHook = config.stdenv.userHook or null;
__ignoreNulls = true;
inherit strictDeps;
depsBuildBuild = lib.elemAt (lib.elemAt dependencies 0) 0;
nativeBuildInputs = lib.elemAt (lib.elemAt dependencies 0) 1;
depsBuildTarget = lib.elemAt (lib.elemAt dependencies 0) 2;
depsHostHost = lib.elemAt (lib.elemAt dependencies 1) 0;
buildInputs = lib.elemAt (lib.elemAt dependencies 1) 1;
depsTargetTarget = lib.elemAt (lib.elemAt dependencies 2) 0;
depsBuildBuildPropagated = lib.elemAt (lib.elemAt propagatedDependencies 0) 0;
propagatedNativeBuildInputs = lib.elemAt (lib.elemAt propagatedDependencies 0) 1;
depsBuildTargetPropagated = lib.elemAt (lib.elemAt propagatedDependencies 0) 2;
depsHostHostPropagated = lib.elemAt (lib.elemAt propagatedDependencies 1) 0;
propagatedBuildInputs = lib.elemAt (lib.elemAt propagatedDependencies 1) 1;
depsTargetTargetPropagated = lib.elemAt (lib.elemAt propagatedDependencies 2) 0;
# This parameter is sometimes a string, sometimes null, and sometimes a list, yuck
configureFlags = let inherit (lib) optional elem; in
(/**/ if lib.isString configureFlags then [configureFlags]
else if configureFlags == null then []
else configureFlags)
++ optional (elem "build" configurePlatforms) "--build=${stdenv.buildPlatform.config}"
++ optional (elem "host" configurePlatforms) "--host=${stdenv.hostPlatform.config}"
++ optional (elem "target" configurePlatforms) "--target=${stdenv.targetPlatform.config}";
inherit patches;
inherit doCheck doInstallCheck;
inherit outputs;
} // lib.optionalAttrs (stdenv.hostPlatform != stdenv.buildPlatform) {
cmakeFlags =
(/**/ if lib.isString cmakeFlags then [cmakeFlags]
else if cmakeFlags == null then []
else cmakeFlags)
++ lib.optional (stdenv.hostPlatform.uname.system != null) "-DCMAKE_SYSTEM_NAME=${stdenv.hostPlatform.uname.system}"
++ lib.optional (stdenv.hostPlatform.uname.processor != null) "-DCMAKE_SYSTEM_PROCESSOR=${stdenv.hostPlatform.uname.processor}"
++ lib.optional (stdenv.hostPlatform.uname.release != null) "-DCMAKE_SYSTEM_VERSION=${stdenv.hostPlatform.release}"
++ lib.optional (stdenv.buildPlatform.uname.system != null) "-DCMAKE_HOST_SYSTEM_NAME=${stdenv.buildPlatform.uname.system}"
++ lib.optional (stdenv.buildPlatform.uname.processor != null) "-DCMAKE_HOST_SYSTEM_PROCESSOR=${stdenv.buildPlatform.uname.processor}"
++ lib.optional (stdenv.buildPlatform.uname.release != null) "-DCMAKE_HOST_SYSTEM_VERSION=${stdenv.buildPlatform.uname.release}";
} // lib.optionalAttrs (attrs.enableParallelBuilding or false) {
enableParallelChecking = attrs.enableParallelChecking or true;
} // lib.optionalAttrs (hardeningDisable != [] || hardeningEnable != []) {
NIX_HARDENING_ENABLE = enabledHardeningOptions;
} // lib.optionalAttrs (stdenv.buildPlatform.isDarwin) {
inherit __darwinAllowLocalNetworking;
# TODO: remove lib.unique once nix has a list canonicalization primitive
__sandboxProfile =
let profiles = [ stdenv.extraSandboxProfile ] ++ computedSandboxProfile ++ computedPropagatedSandboxProfile ++ [ propagatedSandboxProfile sandboxProfile ];
final = lib.concatStringsSep "\n" (lib.filter (x: x != "") (lib.unique profiles));
in final;
__propagatedSandboxProfile = lib.unique (computedPropagatedSandboxProfile ++ [ propagatedSandboxProfile ]);
__impureHostDeps = computedImpureHostDeps ++ computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps ++ __impureHostDeps ++ stdenv.__extraImpureHostDeps ++ [
"/dev/zero"
"/dev/random"
"/dev/urandom"
"/bin/sh"
];
__propagatedImpureHostDeps = computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps;
};
validity = checkMeta { inherit meta attrs; };
# The meta attribute is passed in the resulting attribute set,
# but it's not part of the actual derivation, i.e., it's not
# passed to the builder and is not a dependency. But since we
# include it in the result, it *is* available to nix-env for queries.
meta = {
# `name` above includes cross-compilation cruft (and is under assert),
# lets have a clean always accessible version here.
name = attrs.name or "${attrs.pname}-${attrs.version}";
# If the packager hasn't specified `outputsToInstall`, choose a default,
# which is the name of `p.bin or p.out or p`;
# if he has specified it, it will be overridden below in `// meta`.
# Note: This default probably shouldn't be globally configurable.
# Services and users should specify outputs explicitly,
# unless they are comfortable with this default.
outputsToInstall =
let
hasOutput = out: builtins.elem out outputs;
in [( lib.findFirst hasOutput null (["bin" "out"] ++ outputs) )]
++ lib.optional (hasOutput "man") "man";
}
// attrs.meta or {}
# Fill `meta.position` to identify the source location of the package.
// lib.optionalAttrs (pos != null) {
position = pos.file + ":" + toString pos.line;
# Expose the result of the checks for everyone to see.
} // {
available = validity.valid
&& (if config.checkMetaRecursively or false
then lib.all (d: d.meta.available or true) references
else true);
};
in
lib.extendDerivation
validity.handled
({
overrideAttrs = f: mkDerivation (attrs // (f attrs));
inherit meta passthru;
} //
# Pass through extra attributes that are not inputs, but
# should be made available to Nix expressions using the
# derivation (e.g., in assertions).
passthru)
(derivation derivationArg);
}