28b6fb61e6
This is done for the sake of Yosemite, which does not have gcc, and yet this change is also compatible with Linux.
211 lines
7.9 KiB
Nix
211 lines
7.9 KiB
Nix
let lib = import ../../../lib; in lib.makeOverridable (
|
||
|
||
{ system, name ? "stdenv", preHook ? "", initialPath, cc, shell
|
||
, allowedRequisites ? null, extraAttrs ? {}, overrides ? (pkgs: {}), config
|
||
|
||
, # The `fetchurl' to use for downloading curl and its dependencies
|
||
# (see all-packages.nix).
|
||
fetchurlBoot
|
||
|
||
, setupScript ? ./setup.sh
|
||
|
||
, extraBuildInputs ? []
|
||
}:
|
||
|
||
let
|
||
|
||
allowUnfree = config.allowUnfree or false || builtins.getEnv "NIXPKGS_ALLOW_UNFREE" == "1";
|
||
|
||
# Alow granular checks to allow only some unfree packages
|
||
# Example:
|
||
# {pkgs, ...}:
|
||
# {
|
||
# allowUnfree = false;
|
||
# allowUnfreePredicate = (x: pkgs.lib.hasPrefix "flashplayer-" x.name);
|
||
# }
|
||
allowUnfreePredicate = config.allowUnfreePredicate or (x: false);
|
||
|
||
allowBroken = config.allowBroken or false || builtins.getEnv "NIXPKGS_ALLOW_BROKEN" == "1";
|
||
|
||
forceEvalHelp = unfreeOrBroken:
|
||
assert (unfreeOrBroken == "Unfree" || unfreeOrBroken == "Broken");
|
||
''
|
||
You can set
|
||
{ nixpkgs.config.allow${unfreeOrBroken} = true; }
|
||
in configuration.nix to override this. If you use Nix standalone, you can add
|
||
{ allow${unfreeOrBroken} = true; }
|
||
to ~/.nixpkgs/config.nix.'';
|
||
|
||
unsafeGetAttrPos = builtins.unsafeGetAttrPos or (n: as: null);
|
||
|
||
isUnfree = licenses: lib.lists.any (l:
|
||
!l.free or true || l == "unfree" || l == "unfree-redistributable") licenses;
|
||
|
||
defaultNativeBuildInputs = extraBuildInputs ++
|
||
[ ../../build-support/setup-hooks/move-docs.sh
|
||
../../build-support/setup-hooks/compress-man-pages.sh
|
||
../../build-support/setup-hooks/strip.sh
|
||
../../build-support/setup-hooks/patch-shebangs.sh
|
||
../../build-support/setup-hooks/move-sbin.sh
|
||
../../build-support/setup-hooks/move-lib64.sh
|
||
cc
|
||
];
|
||
|
||
# Add a utility function to produce derivations that use this
|
||
# stdenv and its shell.
|
||
mkDerivation = attrs:
|
||
let
|
||
pos =
|
||
if attrs.meta.description or null != null then
|
||
unsafeGetAttrPos "description" attrs.meta
|
||
else
|
||
unsafeGetAttrPos "name" attrs;
|
||
pos' = if pos != null then "‘" + pos.file + ":" + toString pos.line + "’" else "«unknown-file»";
|
||
in
|
||
if !allowUnfree && isUnfree (lib.lists.toList attrs.meta.license or []) && !allowUnfreePredicate attrs then
|
||
throw ''
|
||
Package ‘${attrs.name}’ in ${pos'} has an unfree license, refusing to evaluate.
|
||
${forceEvalHelp "Unfree"}''
|
||
else if !allowBroken && attrs.meta.broken or false then
|
||
throw ''
|
||
Package ‘${attrs.name}’ in ${pos'} is marked as broken, refusing to evaluate.
|
||
${forceEvalHelp "Broken"}''
|
||
else if !allowBroken && attrs.meta.platforms or null != null && !lib.lists.elem result.system attrs.meta.platforms then
|
||
throw ''
|
||
Package ‘${attrs.name}’ in ${pos'} is not supported on ‘${result.system}’, refusing to evaluate.
|
||
${forceEvalHelp "Broken"}''
|
||
else
|
||
lib.addPassthru (derivation (
|
||
(removeAttrs attrs ["meta" "passthru" "crossAttrs"])
|
||
// (let
|
||
buildInputs = attrs.buildInputs or [];
|
||
nativeBuildInputs = attrs.nativeBuildInputs or [];
|
||
propagatedBuildInputs = attrs.propagatedBuildInputs or [];
|
||
propagatedNativeBuildInputs = attrs.propagatedNativeBuildInputs or [];
|
||
crossConfig = attrs.crossConfig or null;
|
||
in
|
||
{
|
||
builder = attrs.realBuilder or shell;
|
||
args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
|
||
stdenv = result;
|
||
system = result.system;
|
||
userHook = config.stdenv.userHook or null;
|
||
__ignoreNulls = true;
|
||
|
||
# Inputs built by the cross compiler.
|
||
buildInputs = if crossConfig != null then buildInputs else [];
|
||
propagatedBuildInputs = if crossConfig != null then propagatedBuildInputs else [];
|
||
# Inputs built by the usual native compiler.
|
||
nativeBuildInputs = nativeBuildInputs ++ (if crossConfig == null then buildInputs else []);
|
||
propagatedNativeBuildInputs = propagatedNativeBuildInputs ++
|
||
(if crossConfig == null then propagatedBuildInputs else []);
|
||
}))) (
|
||
{
|
||
# 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. We also a meta.position attribute here to
|
||
# identify the source location of the package.
|
||
meta = attrs.meta or {} // (if pos != null then {
|
||
position = pos.file + ":" + (toString pos.line);
|
||
} else {});
|
||
passthru = attrs.passthru or {};
|
||
} //
|
||
# Pass through extra attributes that are not inputs, but
|
||
# should be made available to Nix expressions using the
|
||
# derivation (e.g., in assertions).
|
||
(attrs.passthru or {}));
|
||
|
||
# The stdenv that we are producing.
|
||
result =
|
||
derivation (
|
||
(if isNull allowedRequisites then {} else { allowedRequisites = allowedRequisites ++ defaultNativeBuildInputs; }) //
|
||
{
|
||
inherit system name;
|
||
|
||
builder = shell;
|
||
|
||
args = ["-e" ./builder.sh];
|
||
|
||
setup = setupScript;
|
||
|
||
inherit preHook initialPath shell defaultNativeBuildInputs;
|
||
})
|
||
|
||
// rec {
|
||
|
||
meta.description = "The default build environment for Unix packages in Nixpkgs";
|
||
|
||
# Utility flags to test the type of platform.
|
||
isDarwin = system == "x86_64-darwin";
|
||
isLinux = system == "i686-linux"
|
||
|| system == "x86_64-linux"
|
||
|| system == "powerpc-linux"
|
||
|| system == "armv5tel-linux"
|
||
|| system == "armv6l-linux"
|
||
|| system == "armv7l-linux"
|
||
|| system == "mips64el-linux";
|
||
isGNU = system == "i686-gnu"; # GNU/Hurd
|
||
isGlibc = isGNU # useful for `stdenvNative'
|
||
|| isLinux
|
||
|| system == "x86_64-kfreebsd-gnu";
|
||
isSunOS = system == "i686-solaris"
|
||
|| system == "x86_64-solaris";
|
||
isCygwin = system == "i686-cygwin"
|
||
|| system == "x86_64-cygwin";
|
||
isFreeBSD = system == "i686-freebsd"
|
||
|| system == "x86_64-freebsd";
|
||
isOpenBSD = system == "i686-openbsd"
|
||
|| system == "x86_64-openbsd";
|
||
isBSD = system == "i686-freebsd"
|
||
|| system == "x86_64-freebsd"
|
||
|| system == "i686-openbsd"
|
||
|| system == "x86_64-openbsd"
|
||
|| system == "x86_64-darwin";
|
||
isi686 = system == "i686-linux"
|
||
|| system == "i686-gnu"
|
||
|| system == "i686-freebsd"
|
||
|| system == "i686-openbsd"
|
||
|| system == "i386-sunos";
|
||
isx86_64 = system == "x86_64-linux"
|
||
|| system == "x86_64-darwin"
|
||
|| system == "x86_64-freebsd"
|
||
|| system == "x86_64-openbsd"
|
||
|| system == "x86_64-solaris";
|
||
is64bit = system == "x86_64-linux"
|
||
|| system == "x86_64-darwin"
|
||
|| system == "x86_64-freebsd"
|
||
|| system == "x86_64-openbsd"
|
||
|| system == "x86_64-solaris";
|
||
isMips = system == "mips-linux"
|
||
|| system == "mips64el-linux";
|
||
isArm = system == "armv5tel-linux"
|
||
|| system == "armv6l-linux"
|
||
|| system == "armv7l-linux";
|
||
isBigEndian = system == "powerpc-linux";
|
||
|
||
# Whether we should run paxctl to pax-mark binaries.
|
||
needsPax = isLinux;
|
||
|
||
inherit mkDerivation;
|
||
|
||
# For convenience, bring in the library functions in lib/ so
|
||
# packages don't have to do that themselves.
|
||
inherit lib;
|
||
|
||
inherit fetchurlBoot;
|
||
|
||
inherit overrides;
|
||
|
||
inherit cc;
|
||
}
|
||
|
||
# Propagate any extra attributes. For instance, we use this to
|
||
# "lift" packages like curl from the final stdenv for Linux to
|
||
# all-packages.nix for that platform (meaning that it has a line
|
||
# like curl = if stdenv ? curl then stdenv.curl else ...).
|
||
// extraAttrs;
|
||
|
||
in result)
|