diff options
Diffstat (limited to 'pkgs/stdenv/generic/default.nix')
-rw-r--r-- | pkgs/stdenv/generic/default.nix | 338 |
1 files changed, 190 insertions, 148 deletions
diff --git a/pkgs/stdenv/generic/default.nix b/pkgs/stdenv/generic/default.nix index f8aff33a327f..29e4455f7cb3 100644 --- a/pkgs/stdenv/generic/default.nix +++ b/pkgs/stdenv/generic/default.nix @@ -1,161 +1,203 @@ +let lib = import ../../../lib; in lib.makeOverridable ( + { system, name ? "stdenv", preHook ? "", initialPath, gcc, shell , extraAttrs ? {}, overrides ? (pkgs: {}), config , # The `fetchurl' to use for downloading curl and its dependencies # (see all-packages.nix). fetchurlBoot -}: -if ! builtins ? langVersion then +, setupScript ? ./setup.sh - abort "This version of Nixpkgs requires Nix >= 1.2, please upgrade!" +, extraBuildInputs ? [] -else +, skipPaxMarking ? false +}: let - lib = import ../../../lib; - - allowUnfree = config.allowUnfree or true && builtins.getEnv "HYDRA_DISALLOW_UNFREE" != "1"; - - stdenvGenerator = setupScript: rec { - - # The stdenv that we are producing. - result = - - derivation { - inherit system name; - - builder = shell; - - args = ["-e" ./builder.sh]; - - setup = setupScript; - - inherit preHook initialPath gcc shell; - - propagatedUserEnvPkgs = [gcc] ++ - lib.filter lib.isDerivation initialPath; - - __ignoreNulls = true; - } - - // rec { - - meta = { - description = "The default build environment for Unix packages in Nixpkgs"; - }; - - # Add a utility function to produce derivations that use this - # stdenv and its shell. - mkDerivation = attrs: - if !allowUnfree && (let l = lib.lists.toList attrs.meta.license or []; in lib.lists.elem "unfree" l || lib.lists.elem "unfree-redistributable" l) then - throw "package ‘${attrs.name}’ has an unfree license, refusing to evaluate" - else - lib.addPassthru (derivation ( - (removeAttrs attrs ["meta" "passthru" "crossAttrs"]) - // (let - buildInputs = attrs.buildInputs or []; - nativeBuildInputs = attrs.nativeBuildInputs or []; - propagatedBuildInputs = attrs.propagatedBuildInputs or []; - propagatedNativeBuildInputs = attrs.propagatedNativeBuildInputs or []; - crossConfig = attrs.crossConfig or null; - in - { - builder = attrs.realBuilder or shell; - args = attrs.args or ["-e" (attrs.builder or ./default-builder.sh)]; - stdenv = result; - system = result.system; - userHook = config.stdenv.userHook or null; - - # Inputs built by the cross compiler. - buildInputs = lib.optionals (crossConfig != null) buildInputs; - propagatedBuildInputs = lib.optionals (crossConfig != null) - propagatedBuildInputs; - # Inputs built by the usual native compiler. - nativeBuildInputs = nativeBuildInputs ++ lib.optionals - (crossConfig == null) buildInputs; - propagatedNativeBuildInputs = propagatedNativeBuildInputs ++ - lib.optionals (crossConfig == null) propagatedBuildInputs; - }))) ( + allowUnfree = config.allowUnfree or false || builtins.getEnv "NIXPKGS_ALLOW_UNFREE" == "1"; + + # Alow granular checks to allow only some unfree packages + # Example: + # {pkgs, ...}: + # { + # allowUnfree = false; + # allowUnfreePredicate = (x: pkgs.lib.hasPrefix "flashplayero-" x.name); + # } + allowUnfreePredicate = config.allowUnfreePredicate or (x: false); + + allowBroken = config.allowBroken or false || builtins.getEnv "NIXPKGS_ALLOW_BROKEN" == "1"; + + forceEvalHelp = unfreeOrBroken: + assert (unfreeOrBroken == "Unfree" || unfreeOrBroken == "Broken"); + '' + You can set + { nixpkgs.config.allow${unfreeOrBroken} = true; } + in configuration.nix to override this. If you use Nix standalone, you can add + { allow${unfreeOrBroken} = true; } + to ~/.nixpkgs/config.nix. + ''; + + unsafeGetAttrPos = builtins.unsafeGetAttrPos or (n: as: null); + + # The stdenv that we are producing. + result = + + derivation { + inherit system name; + + builder = shell; + + args = ["-e" ./builder.sh]; + /* TODO: special-cased @var@ substitutions are ugly. + However, using substituteAll* from setup.sh seems difficult, + as setup.sh can't be directly sourced. + Suggestion: split similar utility functions into a separate script. + */ + + setup = setupScript; + + inherit preHook initialPath gcc shell; + + # Whether we should run paxctl to pax-mark binaries + needsPax = result.isLinux && !skipPaxMarking; + + propagatedUserEnvPkgs = [gcc] ++ + lib.filter lib.isDerivation initialPath; + } + + // rec { + + meta = { + description = "The default build environment for Unix packages in Nixpkgs"; + }; + + # Add a utility function to produce derivations that use this + # stdenv and its shell. + mkDerivation = attrs: + let + pos = + if attrs.meta.description or null != null then + unsafeGetAttrPos "description" attrs.meta + else + unsafeGetAttrPos "name" attrs; + pos' = if pos != null then "‘" + pos.file + ":" + toString pos.line + "’" else "«unknown-file»"; + in + if !allowUnfree && (let l = lib.lists.toList attrs.meta.license or []; in lib.lists.elem "unfree" l || lib.lists.elem "unfree-redistributable" l) && !(allowUnfreePredicate attrs) then + throw '' + Package ‘${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 { - # 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 = attrs.meta or {}; - 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 {})); - - # Utility flags to test the type of platform. - isDarwin = result.system == "x86_64-darwin"; - isLinux = result.system == "i686-linux" - || result.system == "x86_64-linux" - || result.system == "powerpc-linux" - || result.system == "armv5tel-linux" - || result.system == "armv6l-linux" - || result.system == "armv7l-linux" - || result.system == "mips64el-linux"; - isGNU = result.system == "i686-gnu"; # GNU/Hurd - isGlibc = isGNU # useful for `stdenvNative' - || isLinux - || result.system == "x86_64-kfreebsd-gnu"; - isSunOS = result.system == "i686-solaris" - || result.system == "x86_64-solaris"; - isCygwin = result.system == "i686-cygwin"; - isFreeBSD = result.system == "i686-freebsd" - || result.system == "x86_64-freebsd"; - isOpenBSD = result.system == "i686-openbsd" - || result.system == "x86_64-openbsd"; - isBSD = result.system == "i686-freebsd" - || result.system == "x86_64-freebsd" - || result.system == "i686-openbsd" - || result.system == "x86_64-openbsd"; - isi686 = result.system == "i686-linux" - || result.system == "i686-gnu" - || result.system == "i686-freebsd" - || result.system == "i686-openbsd" - || result.system == "i386-sunos"; - isx86_64 = result.system == "x86_64-linux" - || result.system == "x86_64-darwin" - || result.system == "x86_64-freebsd" - || result.system == "x86_64-openbsd"; - is64bit = result.system == "x86_64-linux" - || result.system == "x86_64-darwin" - || result.system == "x86_64-freebsd" - || result.system == "x86_64-openbsd"; - isMips = result.system == "mips-linux" - || result.system == "mips64el-linux"; - isArm = result.system == "armv5tel-linux" - || result.system == "armv6l-linux" - || result.system == "armv7l-linux"; - - # Utility function: allow stdenv to be easily regenerated with - # a different setup script. (See all-packages.nix for an - # example.) - regenerate = stdenvGenerator; - - # For convenience, bring in the library functions in lib/ so - # packages don't have to do that themselves. - inherit lib; - - inherit fetchurlBoot; - - inherit overrides; - } - - # 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; - - }.result; - - -in stdenvGenerator ./setup.sh + 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 = lib.optionals (crossConfig != null) (buildInputs ++ extraBuildInputs); + propagatedBuildInputs = lib.optionals (crossConfig != null) propagatedBuildInputs; + # Inputs built by the usual native compiler. + nativeBuildInputs = nativeBuildInputs ++ lib.optionals (crossConfig == null) (buildInputs ++ extraBuildInputs); + propagatedNativeBuildInputs = propagatedNativeBuildInputs ++ + lib.optionals (crossConfig == null) propagatedBuildInputs; + }))) ( + { + # 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 {})); + + # 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"; + 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"; + + # For convenience, bring in the library functions in lib/ so + # packages don't have to do that themselves. + inherit lib; + + inherit fetchurlBoot; + + inherit overrides; + } + + # 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) |