ec5b66eb4a
You can now pass separateDebugInfo = true; to mkDerivation. This causes debug info to be separated from ELF binaries and stored in the "debug" output. The advantage is that it enables installing lean binaries, while still having the ability to make sense of core dumps, etc.
295 lines
11 KiB
Nix
295 lines
11 KiB
Nix
let lib = import ../../../lib; in lib.makeOverridable (
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{ system, name ? "stdenv", preHook ? "", initialPath, cc, shell
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, allowedRequisites ? null, extraAttrs ? {}, overrides ? (pkgs: {}), config
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, # The `fetchurl' to use for downloading curl and its dependencies
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# (see all-packages.nix).
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fetchurlBoot
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, setupScript ? ./setup.sh
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, extraBuildInputs ? []
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, __stdenvImpureHostDeps ? []
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, __extraImpureHostDeps ? []
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}:
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let
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allowUnfree = config.allowUnfree or false || builtins.getEnv "NIXPKGS_ALLOW_UNFREE" == "1";
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whitelist = config.whitelistedLicenses or [];
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blacklist = config.blacklistedLicenses or [];
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ifDarwin = attrs: if system == "x86_64-darwin" then attrs else {};
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onlyLicenses = list:
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lib.lists.all (license:
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let l = lib.licenses.${license.shortName or "BROKEN"} or false; in
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if license == l then true else
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throw ''‘${showLicense license}’ is not an attribute of lib.licenses''
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) list;
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mutuallyExclusive = a: b:
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(builtins.length a) == 0 ||
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(!(builtins.elem (builtins.head a) b) &&
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mutuallyExclusive (builtins.tail a) b);
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areLicenseListsValid =
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if mutuallyExclusive whitelist blacklist then
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assert onlyLicenses whitelist; assert onlyLicenses blacklist; true
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else
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throw "whitelistedLicenses and blacklistedLicenses are not mutually exclusive.";
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hasLicense = attrs:
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builtins.hasAttr "meta" attrs && builtins.hasAttr "license" attrs.meta;
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hasWhitelistedLicense = assert areLicenseListsValid; attrs:
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hasLicense attrs && builtins.elem attrs.meta.license whitelist;
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hasBlacklistedLicense = assert areLicenseListsValid; attrs:
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hasLicense attrs && builtins.elem attrs.meta.license blacklist;
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allowBroken = config.allowBroken or false || builtins.getEnv "NIXPKGS_ALLOW_BROKEN" == "1";
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isUnfree = licenses: lib.lists.any (l:
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!l.free or true || l == "unfree" || l == "unfree-redistributable") licenses;
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# Alow granular checks to allow only some unfree packages
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# Example:
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# {pkgs, ...}:
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# {
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# allowUnfree = false;
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# allowUnfreePredicate = (x: pkgs.lib.hasPrefix "flashplayer-" x.name);
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# }
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allowUnfreePredicate = config.allowUnfreePredicate or (x: false);
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# Check whether unfree packages are allowed and if not, whether the
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# package has an unfree license and is not explicitely allowed by the
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# `allowUNfreePredicate` function.
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hasDeniedUnfreeLicense = attrs:
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!allowUnfree &&
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hasLicense attrs &&
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isUnfree (lib.lists.toList attrs.meta.license) &&
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!allowUnfreePredicate attrs;
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showLicense = license: license.shortName or "unknown";
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defaultNativeBuildInputs = extraBuildInputs ++
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[ ../../build-support/setup-hooks/move-docs.sh
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../../build-support/setup-hooks/compress-man-pages.sh
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../../build-support/setup-hooks/strip.sh
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../../build-support/setup-hooks/patch-shebangs.sh
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../../build-support/setup-hooks/move-sbin.sh
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../../build-support/setup-hooks/move-lib64.sh
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cc
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];
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# Add a utility function to produce derivations that use this
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# stdenv and its shell.
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mkDerivation =
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{ buildInputs ? []
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, nativeBuildInputs ? []
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, propagatedBuildInputs ? []
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, propagatedNativeBuildInputs ? []
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, crossConfig ? null
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, meta ? {}
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, passthru ? {}
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, pos ? null # position used in error messages and for meta.position
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, separateDebugInfo ? false
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, outputs ? [ "out" ]
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, __impureHostDeps ? []
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, __propagatedImpureHostDeps ? []
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, ... } @ attrs:
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let
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pos' =
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if pos != null then
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pos
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else if attrs.meta.description or null != null then
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builtins.unsafeGetAttrPos "description" attrs.meta
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else
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builtins.unsafeGetAttrPos "name" attrs;
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pos'' = if pos' != null then "‘" + pos'.file + ":" + toString pos'.line + "’" else "«unknown-file»";
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throwEvalHelp = unfreeOrBroken: whatIsWrong:
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assert builtins.elem unfreeOrBroken ["Unfree" "Broken" "blacklisted"];
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throw ("Package ‘${attrs.name or "«name-missing»"}’ in ${pos''} ${whatIsWrong}, refusing to evaluate."
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+ (lib.strings.optionalString (unfreeOrBroken != "blacklisted") ''
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For `nixos-rebuild` you can set
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{ nixpkgs.config.allow${unfreeOrBroken} = true; }
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in configuration.nix to override this.
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For `nix-env` you can add
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{ allow${unfreeOrBroken} = true; }
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to ~/.nixpkgs/config.nix.
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''));
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licenseAllowed = attrs:
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if hasDeniedUnfreeLicense attrs && !(hasWhitelistedLicense attrs) then
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throwEvalHelp "Unfree" "has an unfree license (‘${showLicense attrs.meta.license}’)"
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else if hasBlacklistedLicense attrs then
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throwEvalHelp "blacklisted" "has a blacklisted license (‘${showLicense attrs.meta.license}’)"
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else if !allowBroken && attrs.meta.broken or false then
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throwEvalHelp "Broken" "is marked as broken"
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else if !allowBroken && attrs.meta.platforms or null != null && !lib.lists.elem result.system attrs.meta.platforms then
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throwEvalHelp "Broken" "is not supported on ‘${result.system}’"
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else true;
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outputs' =
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outputs ++
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(if separateDebugInfo then [ "debug" ] else []);
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buildInputs' = buildInputs ++
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(if separateDebugInfo then [ ../../build-support/setup-hooks/separate-debug-info.sh ] else []);
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in
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assert licenseAllowed attrs;
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lib.addPassthru (derivation (
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(removeAttrs attrs
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["meta" "passthru" "crossAttrs" "pos"
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"__impureHostDeps" "__propagatedImpureHostDeps"])
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// (let
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# TODO: remove lib.unique once nix has a list canonicalization primitive
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computedImpureHostDeps =
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lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or []) (extraBuildInputs ++ buildInputs ++ nativeBuildInputs));
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computedPropagatedImpureHostDeps =
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lib.unique (lib.concatMap (input: input.__propagatedImpureHostDeps or []) (propagatedBuildInputs ++ propagatedNativeBuildInputs));
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in
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{
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builder = attrs.realBuilder or shell;
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args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)];
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stdenv = result;
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system = result.system;
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userHook = config.stdenv.userHook or null;
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__ignoreNulls = true;
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# Inputs built by the cross compiler.
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buildInputs = if crossConfig != null then buildInputs' else [];
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propagatedBuildInputs = if crossConfig != null then propagatedBuildInputs else [];
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# Inputs built by the usual native compiler.
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nativeBuildInputs = nativeBuildInputs ++ (if crossConfig == null then buildInputs' else []);
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propagatedNativeBuildInputs = propagatedNativeBuildInputs ++
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(if crossConfig == null then propagatedBuildInputs else []);
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} // ifDarwin {
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__impureHostDeps = computedImpureHostDeps ++ computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps ++ __impureHostDeps ++ __extraImpureHostDeps ++ [
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"/dev/zero"
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"/dev/random"
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"/dev/urandom"
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"/bin/sh"
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];
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__propagatedImpureHostDeps = computedPropagatedImpureHostDeps ++ __propagatedImpureHostDeps;
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} // (if outputs' != [ "out" ] then {
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outputs = outputs';
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} else { })))) (
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{
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# The meta attribute is passed in the resulting attribute set,
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# but it's not part of the actual derivation, i.e., it's not
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# passed to the builder and is not a dependency. But since we
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# include it in the result, it *is* available to nix-env for
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# queries. We also a meta.position attribute here to
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# identify the source location of the package.
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meta = meta // (if pos' != null then {
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position = pos'.file + ":" + toString pos'.line;
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} else {});
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inherit passthru;
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} //
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# Pass through extra attributes that are not inputs, but
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# should be made available to Nix expressions using the
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# derivation (e.g., in assertions).
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passthru);
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# The stdenv that we are producing.
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result =
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derivation (
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(if isNull allowedRequisites then {} else { allowedRequisites = allowedRequisites ++ defaultNativeBuildInputs; }) //
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{
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inherit system name;
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builder = shell;
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args = ["-e" ./builder.sh];
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setup = setupScript;
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inherit preHook initialPath shell defaultNativeBuildInputs;
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}
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// ifDarwin {
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__impureHostDeps = __stdenvImpureHostDeps;
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})
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// rec {
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meta.description = "The default build environment for Unix packages in Nixpkgs";
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# Utility flags to test the type of platform.
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isDarwin = system == "x86_64-darwin";
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isLinux = system == "i686-linux"
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|| system == "x86_64-linux"
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|| system == "powerpc-linux"
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|| system == "armv5tel-linux"
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|| system == "armv6l-linux"
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|| system == "armv7l-linux"
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|| system == "mips64el-linux";
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isGNU = system == "i686-gnu"; # GNU/Hurd
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isGlibc = isGNU # useful for `stdenvNative'
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|| isLinux
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|| system == "x86_64-kfreebsd-gnu";
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isSunOS = system == "i686-solaris"
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|| system == "x86_64-solaris";
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isCygwin = system == "i686-cygwin"
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|| system == "x86_64-cygwin";
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isFreeBSD = system == "i686-freebsd"
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|| system == "x86_64-freebsd";
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isOpenBSD = system == "i686-openbsd"
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|| system == "x86_64-openbsd";
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isi686 = system == "i686-linux"
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|| system == "i686-gnu"
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|| system == "i686-freebsd"
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|| system == "i686-openbsd"
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|| system == "i686-cygwin"
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|| system == "i386-sunos";
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isx86_64 = system == "x86_64-linux"
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|| system == "x86_64-darwin"
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|| system == "x86_64-freebsd"
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|| system == "x86_64-openbsd"
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|| system == "x86_64-cygwin"
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|| system == "x86_64-solaris";
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is64bit = system == "x86_64-linux"
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|| system == "x86_64-darwin"
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|| system == "x86_64-freebsd"
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|| system == "x86_64-openbsd"
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|| system == "x86_64-cygwin"
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|| system == "x86_64-solaris"
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|| system == "mips64el-linux";
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isMips = system == "mips-linux"
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|| system == "mips64el-linux";
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isArm = system == "armv5tel-linux"
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|| system == "armv6l-linux"
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|| system == "armv7l-linux";
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isBigEndian = system == "powerpc-linux";
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# Whether we should run paxctl to pax-mark binaries.
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needsPax = isLinux;
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inherit mkDerivation;
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# For convenience, bring in the library functions in lib/ so
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# packages don't have to do that themselves.
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inherit lib;
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inherit fetchurlBoot;
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inherit overrides;
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inherit cc;
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}
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# Propagate any extra attributes. For instance, we use this to
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# "lift" packages like curl from the final stdenv for Linux to
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# all-packages.nix for that platform (meaning that it has a line
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# like curl = if stdenv ? curl then stdenv.curl else ...).
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// extraAttrs;
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in result)
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