cross-stdenv: Inline useless bindings and reindent

Semantics should be unchanged
This commit is contained in:
John Ericson 2017-01-15 16:47:53 -05:00
parent 09401d44eb
commit 1c0365bd88

View File

@ -56,61 +56,59 @@ rec {
# Return a modified stdenv that adds a cross compiler to the
# builds.
makeStdenvCross = stdenv: cross: binutilsCross: gccCross: stdenv //
{ mkDerivation = {name ? "", buildInputs ? [], nativeBuildInputs ? [],
propagatedBuildInputs ? [], propagatedNativeBuildInputs ? [],
selfNativeBuildInput ? false, ...}@args: let
makeStdenvCross = stdenv: cross: binutilsCross: gccCross: stdenv // {
# *BuildInputs exists temporarily as another name for
# *HostInputs.
mkDerivation =
{ name ? "", buildInputs ? [], nativeBuildInputs ? []
, propagatedBuildInputs ? [], propagatedNativeBuildInputs ? []
, selfNativeBuildInput ? false, ...
} @ args:
# In nixpkgs, sometimes 'null' gets in as a buildInputs element,
# and we handle that through isAttrs.
nativeBuildInputsDrvs = nativeBuildInputs;
buildInputsDrvs = buildInputs;
propagatedBuildInputsDrvs = propagatedBuildInputs;
propagatedNativeBuildInputsDrvs = propagatedNativeBuildInputs;
let
# *BuildInputs exists temporarily as another name for
# *HostInputs.
# The base stdenv already knows that nativeBuildInputs and
# buildInputs should be built with the usual gcc-wrapper
# And the same for propagatedBuildInputs.
nativeDrv = stdenv.mkDerivation args;
# The base stdenv already knows that nativeBuildInputs and
# buildInputs should be built with the usual gcc-wrapper
# And the same for propagatedBuildInputs.
nativeDrv = stdenv.mkDerivation args;
# Temporary expression until the cross_renaming, to handle the
# case of pkgconfig given as buildInput, but to be used as
# nativeBuildInput.
hostAsNativeDrv = drv:
builtins.unsafeDiscardStringContext drv.nativeDrv.drvPath
== builtins.unsafeDiscardStringContext drv.crossDrv.drvPath;
buildInputsNotNull = stdenv.lib.filter
(drv: builtins.isAttrs drv && drv ? nativeDrv) buildInputs;
nativeInputsFromBuildInputs = stdenv.lib.filter hostAsNativeDrv buildInputsNotNull;
# Temporary expression until the cross_renaming, to handle the
# case of pkgconfig given as buildInput, but to be used as
# nativeBuildInput.
hostAsNativeDrv = drv:
builtins.unsafeDiscardStringContext drv.nativeDrv.drvPath
== builtins.unsafeDiscardStringContext drv.crossDrv.drvPath;
buildInputsNotNull = stdenv.lib.filter
(drv: builtins.isAttrs drv && drv ? nativeDrv) buildInputs;
nativeInputsFromBuildInputs = stdenv.lib.filter hostAsNativeDrv buildInputsNotNull;
in
stdenv.mkDerivation (args // {
name = name + "-" + cross.config;
nativeBuildInputs = nativeBuildInputs
++ nativeInputsFromBuildInputs
++ [ gccCross binutilsCross ]
++ stdenv.lib.optional selfNativeBuildInput nativeDrv
# without proper `file` command, libtool sometimes fails
# to recognize 64-bit DLLs
++ stdenv.lib.optional (cross.config == "x86_64-w64-mingw32") pkgs.file
;
in stdenv.mkDerivation (args // {
name = name + "-" + cross.config;
nativeBuildInputs = nativeBuildInputsDrvs
++ nativeInputsFromBuildInputs
++ [ gccCross binutilsCross ]
++ stdenv.lib.optional selfNativeBuildInput nativeDrv
# without proper `file` command, libtool sometimes fails
# to recognize 64-bit DLLs
++ stdenv.lib.optional (cross.config == "x86_64-w64-mingw32") pkgs.file
;
# Cross-linking dynamic libraries, every buildInput should
# be propagated because ld needs the -rpath-link to find
# any library needed to link the program dynamically at
# loader time. ld(1) explains it.
buildInputs = [];
propagatedBuildInputs = propagatedBuildInputs ++ buildInputs;
propagatedNativeBuildInputs = propagatedNativeBuildInputs;
# Cross-linking dynamic libraries, every buildInput should
# be propagated because ld needs the -rpath-link to find
# any library needed to link the program dynamically at
# loader time. ld(1) explains it.
buildInputs = [];
propagatedBuildInputs = propagatedBuildInputsDrvs ++ buildInputsDrvs;
propagatedNativeBuildInputs = propagatedNativeBuildInputsDrvs;
crossConfig = cross.config;
} // args.crossAttrs or {});
crossConfig = cross.config;
} // args.crossAttrs or {});
} // {
inherit gccCross binutilsCross;
ccCross = gccCross;
};
inherit gccCross binutilsCross;
ccCross = gccCross;
};
/* Modify a stdenv so that the specified attributes are added to