243 lines
11 KiB
Nix
243 lines
11 KiB
Nix
{ lib, config, stdenv }:
|
|
|
|
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 =
|
|
{ name ? ""
|
|
|
|
# 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
|
|
|
|
# Configure Phase
|
|
, configureFlags ? []
|
|
, # 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" ]
|
|
|
|
# Check phase
|
|
, doCheck ? false
|
|
|
|
# InstallCheck phase
|
|
, doInstallCheck ? false
|
|
|
|
, crossConfig ? null
|
|
, 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 builtins.unsafeGetAttrPos "name" attrs)
|
|
, separateDebugInfo ? false
|
|
, outputs ? [ "out" ]
|
|
, __impureHostDeps ? []
|
|
, __propagatedImpureHostDeps ? []
|
|
, sandboxProfile ? ""
|
|
, propagatedSandboxProfile ? ""
|
|
|
|
, hardeningEnable ? []
|
|
, hardeningDisable ? []
|
|
|
|
, ... } @ attrs:
|
|
|
|
# TODO(@Ericson2314): Make this more modular, and not O(n^2).
|
|
let
|
|
supportedHardeningFlags = [ "fortify" "stackprotector" "pie" "pic" "strictoverflow" "format" "relro" "bindnow" ];
|
|
# 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
|
|
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)
|
|
(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)
|
|
]
|
|
];
|
|
|
|
outputs' =
|
|
outputs ++
|
|
(if separateDebugInfo then assert stdenv.hostPlatform.isLinux; [ "debug" ] else []);
|
|
|
|
derivationArg =
|
|
(removeAttrs attrs
|
|
["meta" "passthru" "crossAttrs" "pos"
|
|
"__impureHostDeps" "__propagatedImpureHostDeps"
|
|
"sandboxProfile" "propagatedSandboxProfile"])
|
|
// (let
|
|
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));
|
|
in
|
|
{
|
|
name = name + lib.optionalString
|
|
(stdenv.hostPlatform != stdenv.buildPlatform)
|
|
("-" + stdenv.hostPlatform.config);
|
|
builder = attrs.realBuilder or stdenv.shell;
|
|
args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
|
|
inherit stdenv;
|
|
inherit (stdenv) system;
|
|
userHook = config.stdenv.userHook or null;
|
|
__ignoreNulls = true;
|
|
|
|
depsBuildBuild = lib.elemAt (lib.elemAt dependencies 0) 0;
|
|
nativeBuildInputs = lib.elemAt (lib.elemAt dependencies 0) 1;
|
|
depsBuildTarget = lib.elemAt (lib.elemAt dependencies 0) 2;
|
|
depsHostBuild = 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;
|
|
depsHostBuildPropagated = 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}";
|
|
|
|
} // lib.optionalAttrs (stdenv.buildPlatform.isDarwin) {
|
|
# 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;
|
|
} // lib.optionalAttrs (outputs' != [ "out" ]) {
|
|
outputs = outputs';
|
|
} // lib.optionalAttrs (attrs ? doCheck) {
|
|
# TODO(@Ericson2314): Make unconditional / resolve #33599
|
|
doCheck = doCheck && (stdenv.hostPlatform == stdenv.buildPlatform);
|
|
} // lib.optionalAttrs (attrs ? doInstallCheck) {
|
|
# TODO(@Ericson2314): Make unconditional / resolve #33599
|
|
doInstallCheck = doInstallCheck && (stdenv.hostPlatform == stdenv.buildPlatform);
|
|
});
|
|
|
|
# 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 = { }
|
|
# 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
|
|
outs = outputs'; # the value passed to derivation primitive
|
|
hasOutput = out: builtins.elem out outs;
|
|
in [( lib.findFirst hasOutput null (["bin" "out"] ++ outs) )];
|
|
}
|
|
// attrs.meta or {}
|
|
# Fill `meta.position` to identify the source location of the package.
|
|
// lib.optionalAttrs (pos != null)
|
|
{ position = pos.file + ":" + toString pos.line; }
|
|
;
|
|
|
|
in
|
|
|
|
lib.addPassthru
|
|
(derivation (import ./check-meta.nix
|
|
{
|
|
inherit lib config meta derivationArg;
|
|
mkDerivationArg = attrs;
|
|
# 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) system;
|
|
}))
|
|
( {
|
|
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);
|
|
}
|