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let lib = import ../../../lib; in lib.makeOverridable (
{ name ? "stdenv", preHook ? "", initialPath, cc, shell
, allowedRequisites ? null, extraAttrs ? {}, overrides ? (self: super: {}), config
, # The `fetchurl' to use for downloading curl and its dependencies
# (see all-packages.nix).
fetchurlBoot
, setupScript ? ./setup.sh
, extraNativeBuildInputs ? []
, extraBuildInputs ? []
, __stdenvImpureHostDeps ? []
, __extraImpureHostDeps ? []
, stdenvSandboxProfile ? ""
, extraSandboxProfile ? ""
## Platform parameters
##
## The "build" "host" "target" terminology below comes from GNU Autotools. See
## its documentation for more information on what those words mean. Note that
## each should always be defined, even when not cross compiling.
##
## For purposes of bootstrapping, think of each stage as a "sliding window"
## over a list of platforms. Specifically, the host platform of the previous
## stage becomes the build platform of the current one, and likewise the
## target platform of the previous stage becomes the host platform of the
## current one.
##
, # The platform on which packages are built. Consists of `system`, a
# string (e.g.,`i686-linux') identifying the most import attributes of the
# build platform, and `platform` a set of other details.
buildPlatform
, # The platform on which packages run.
hostPlatform
, # The platform which build tools (especially compilers) build for in this stage,
targetPlatform
}:
let
defaultNativeBuildInputs = extraNativeBuildInputs ++
[ ../../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
]
# FIXME this on Darwin; see
# https://github.com/NixOS/nixpkgs/commit/94d164dd7#commitcomment-22030369
++ lib.optional hostPlatform.isLinux ../../build-support/setup-hooks/audit-tmpdir.sh
++ [
../../build-support/setup-hooks/multiple-outputs.sh
../../build-support/setup-hooks/move-sbin.sh
../../build-support/setup-hooks/move-lib64.sh
../../build-support/setup-hooks/set-source-date-epoch-to-latest.sh
cc
];
defaultBuildInputs = extraBuildInputs;
# The stdenv that we are producing.
stdenv =
derivation (
lib.optionalAttrs (allowedRequisites != null) {
allowedRequisites = allowedRequisites
++ defaultNativeBuildInputs ++ defaultBuildInputs;
}
// {
inherit name;
# Nix itself uses the `system` field of a derivation to decide where to
# build it. This is a bit confusing for cross compilation.
inherit (buildPlatform) system;
builder = shell;
args = ["-e" ./builder.sh];
setup = setupScript;
# We pretty much never need rpaths on Darwin, since all library path references
# are absolute unless we go out of our way to make them relative (like with CF)
# TODO: This really wants to be in stdenv/darwin but we don't have hostPlatform
# there (yet?) so it goes here until then.
preHook = preHook+ lib.optionalString buildPlatform.isDarwin ''
export NIX_BUILD_DONT_SET_RPATH=1
'' + lib.optionalString hostPlatform.isDarwin ''
export NIX_DONT_SET_RPATH=1
export NIX_NO_SELF_RPATH=1
''
# TODO this should be uncommented, but it causes stupid mass rebuilds. I
# think the best solution would just be to fixup linux RPATHs so we don't
# need to set `-rpath` anywhere.
# + lib.optionalString targetPlatform.isDarwin ''
# export NIX_TARGET_DONT_SET_RPATH=1
# ''
;
inherit initialPath shell
defaultNativeBuildInputs defaultBuildInputs;
}
// lib.optionalAttrs buildPlatform.isDarwin {
__sandboxProfile = stdenvSandboxProfile;
__impureHostDeps = __stdenvImpureHostDeps;
})
// rec {
meta = {
description = "The default build environment for Unix packages in Nixpkgs";
platforms = lib.platforms.all;
};
inherit buildPlatform hostPlatform targetPlatform;
inherit extraNativeBuildInputs extraBuildInputs
__extraImpureHostDeps extraSandboxProfile;
# Utility flags to test the type of platform.
inherit (hostPlatform)
isDarwin isLinux isSunOS isCygwin isFreeBSD isOpenBSD
isi686 isx86_64 is64bit isAarch32 isAarch64 isMips isBigEndian;
isArm = lib.warn
"`stdenv.isArm` is deprecated after 18.03. Please use `stdenv.isAarch32` instead"
hostPlatform.isAarch32;
# The derivation's `system` is `buildPlatform.system`.
inherit (buildPlatform) system;
# Whether we should run paxctl to pax-mark binaries.
needsPax = isLinux;
inherit (import ./make-derivation.nix {
inherit lib config stdenv;
}) 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 stdenv)