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Merge pull request #25859 from Ericson2314/platform-normalize

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lib platform parsing: Fix windows support to conform to LLVM, take 2
This commit is contained in:
John Ericson 2017-05-17 13:26:23 -04:00 committed by GitHub
commit 6d599b791e
4 changed files with 53 additions and 53 deletions
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2
lib/systems/doubles.nix
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@ -30,7 +30,7 @@ in rec {
mips = filterDoubles (matchAttrs { cpu = { family = "mips"; }; });
x86_64 = filterDoubles parse.isx86_64;
cygwin = filterDoubles (matchAttrs { kernel = parse.kernels.cygwin; });
cygwin = filterDoubles parse.isCygwin;
darwin = filterDoubles parse.isDarwin;
freebsd = filterDoubles (matchAttrs { kernel = parse.kernels.freebsd; });
gnu = filterDoubles (matchAttrs { kernel = parse.kernels.linux; abi = parse.abis.gnu; }); # Should be better

58
lib/systems/parse.nix
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@ -1,5 +1,9 @@
# Define the list of system with their properties. Only systems tested for
# Nixpkgs are listed below
# Define the list of system with their properties.
#
# See https://clang.llvm.org/docs/CrossCompilation.html and
# http://llvm.org/docs/doxygen/html/Triple_8cpp_source.html especially
# Triple::normalize. Parsing should essentially act as a more conservative
# version of that last function.
with import ../lists.nix;
with import ../types.nix;
@ -9,7 +13,7 @@ let
lib = import ../default.nix;
setTypesAssert = type: pred:
mapAttrs (name: value:
#assert pred value;
assert pred value;
setType type ({ inherit name; } // value));
setTypes = type: setTypesAssert type (_: true);
@ -23,7 +27,6 @@ rec {
littleEndian = {};
};
isCpuType = isType "cpu-type";
cpuTypes = with significantBytes; setTypesAssert "cpu-type"
(x: elem x.bits [8 16 32 64 128]
@ -47,6 +50,7 @@ rec {
vendors = setTypes "vendor" {
apple = {};
pc = {};
unknown = {};
};
@ -56,6 +60,7 @@ rec {
elf = {};
macho = {};
pe = {};
unknown = {};
};
@ -63,15 +68,12 @@ rec {
kernelFamilies = setTypes "kernel-family" {
bsd = {};
unix = {};
windows-nt = {};
dos = {};
};
isKernel = x: isType "kernel" x;
kernels = with execFormats; with kernelFamilies; setTypesAssert "kernel"
(x: isExecFormat x.execFormat && all isKernelFamily (attrValues x.families))
{
cygwin = { execFormat = pe; families = { inherit /*unix*/ windows-nt; }; };
darwin = { execFormat = macho; families = { inherit unix; }; };
freebsd = { execFormat = elf; families = { inherit unix bsd; }; };
linux = { execFormat = elf; families = { inherit unix; }; };
@ -79,18 +81,21 @@ rec {
none = { execFormat = unknown; families = { inherit unix; }; };
openbsd = { execFormat = elf; families = { inherit unix bsd; }; };
solaris = { execFormat = elf; families = { inherit unix; }; };
win32 = { execFormat = pe; families = { inherit dos; }; };
windows = { execFormat = pe; families = { }; };
} // { # aliases
win32 = kernels.windows;
};
isAbi = isType "abi";
abis = setTypes "abi" {
cygnus = {};
gnu = {};
msvc = {};
eabi = {};
androideabi = {};
gnueabi = {};
gnueabihf = {};
unknown = {};
};
@ -109,19 +114,25 @@ rec {
isDarwin = matchAttrs { kernel = kernels.darwin; };
isLinux = matchAttrs { kernel = kernels.linux; };
isUnix = matchAttrs { kernel = { families = { inherit (kernelFamilies) unix; }; }; };
isWindows = s: matchAttrs { kernel = { families = { inherit (kernelFamilies) windows-nt; }; }; } s
|| matchAttrs { kernel = { families = { inherit (kernelFamilies) dos; }; }; } s;
isWindows = matchAttrs { kernel = kernels.windows; };
isCygwin = matchAttrs { kernel = kernels.windows; abi = abis.cygnus; };
isMinGW = matchAttrs { kernel = kernels.windows; abi = abis.gnu; };
mkSkeletonFromList = l: {
"2" = { cpu = elemAt l 0; kernel = elemAt l 1; };
"4" = { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; abi = elemAt l 3; };
"2" = # We only do 2-part hacks for things Nix already supports
if elemAt l 1 == "cygwin"
then { cpu = elemAt l 0; kernel = "windows"; abi = "cygnus"; }
else { cpu = elemAt l 0; kernel = elemAt l 1; };
"3" = # Awkwards hacks, beware!
if elemAt l 1 == "apple"
then { cpu = elemAt l 0; vendor = "apple"; kernel = elemAt l 2; }
else if (elemAt l 1 == "linux") || (elemAt l 2 == "gnu")
then { cpu = elemAt l 0; kernel = elemAt l 1; abi = elemAt l 2; }
else if (elemAt l 2 == "mingw32") # autotools breaks on -gnu for window
then { cpu = elemAt l 0; vendor = elemAt l 1; kernel = "windows"; abi = "gnu"; }
else throw "Target specification with 3 components is ambiguous";
"4" = { cpu = elemAt l 0; vendor = elemAt l 1; kernel = elemAt l 2; abi = elemAt l 3; };
}.${toString (length l)}
or (throw "system string has invalid number of hyphen-separated components");
@ -134,18 +145,10 @@ rec {
, # Also inferred below
abi ? assert false; null
} @ args: let
getCpu = name:
attrByPath [name] (throw "Unknown CPU type: ${name}")
cpuTypes;
getVendor = name:
attrByPath [name] (throw "Unknown vendor: ${name}")
vendors;
getKernel = name:
attrByPath [name] (throw "Unknown kernel: ${name}")
kernels;
getAbi = name:
attrByPath [name] (throw "Unknown ABI: ${name}")
abis;
getCpu = name: cpuTypes.${name} or (throw "Unknown CPU type: ${name}");
getVendor = name: vendors.${name} or (throw "Unknown vendor: ${name}");
getKernel = name: kernels.${name} or (throw "Unknown kernel: ${name}");
getAbi = name: abis.${name} or (throw "Unknown ABI: ${name}");
system = rec {
cpu = getCpu args.cpu;
@ -166,7 +169,10 @@ rec {
mkSystemFromString = s: mkSystemFromSkeleton (mkSkeletonFromList (lib.splitString "-" s));
doubleFromSystem = { cpu, vendor, kernel, abi, ... }: "${cpu.name}-${kernel.name}";
doubleFromSystem = { cpu, vendor, kernel, abi, ... }:
if vendor == kernels.windows && abi == abis.cygnus
then "${cpu.name}-cygwin"
else "${cpu.name}-${kernel.name}";
tripleFromSystem = { cpu, vendor, kernel, abi, ... } @ sys: assert isSystem sys; let
optAbi = lib.optionalString (abi != abis.unknown) "-${abi.name}";

3
pkgs/top-level/all-packages.nix
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@ -5077,9 +5077,6 @@ with pkgs;
cross = targetPlatform;
crossStageStatic = false;
# XXX: We have troubles cross-compiling libstdc++ on MinGW (see
# <http://hydra.nixos.org/build/4268232>), so don't even try.
langCC = targetPlatform.config != "i686-pc-mingw32";
# Why is this needed?
inherit (forcedNativePackages) binutils;
};

43
pkgs/top-level/release-cross.nix
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@ -20,12 +20,27 @@ let
/* Basic list of packages to be natively built,
but need a crossSystem defined to get meaning */
basicNativeDrv = {
buildPackages.binutils = nativePlatforms;
buildPackages.gccCrossStageFinal = nativePlatforms;
buildPackages.gdbCross = nativePlatforms;
};
basic = basicCrossDrv // basicNativeDrv;
windows = {
buildPackages.binutils = nativePlatforms;
buildPackages.gccCrossStageFinal = nativePlatforms;
coreutils = nativePlatforms;
boehmgc = nativePlatforms;
gmp = nativePlatforms;
guile_1_8 = nativePlatforms;
libffi = nativePlatforms;
libtool = nativePlatforms;
libunistring = nativePlatforms;
windows.wxMSW = nativePlatforms;
};
in
{
@ -89,48 +104,30 @@ in
/* Test some cross builds on 32 bit mingw-w64 */
crossMingw32 = let
crossSystem = {
config = "i686-w64-mingw32";
config = "i686-pc-mingw32";
arch = "x86"; # Irrelevant
libc = "msvcrt"; # This distinguishes the mingw (non posix) toolchain
platform = {};
};
in mapTestOnCross crossSystem {
coreutils = nativePlatforms;
boehmgc = nativePlatforms;
gmp = nativePlatforms;
guile_1_8 = nativePlatforms;
libffi = nativePlatforms;
libtool = nativePlatforms;
libunistring = nativePlatforms;
windows.wxMSW = nativePlatforms;
};
in mapTestOnCross crossSystem windows;
/* Test some cross builds on 64 bit mingw-w64 */
crossMingwW64 = let
crossSystem = {
# That's the triplet they use in the mingw-w64 docs.
config = "x86_64-w64-mingw32";
config = "x86_64-pc-mingw32";
arch = "x86_64"; # Irrelevant
libc = "msvcrt"; # This distinguishes the mingw (non posix) toolchain
platform = {};
};
in mapTestOnCross crossSystem {
coreutils = nativePlatforms;
boehmgc = nativePlatforms;
gmp = nativePlatforms;
guile_1_8 = nativePlatforms;
libffi = nativePlatforms;
libtool = nativePlatforms;
libunistring = nativePlatforms;
windows.wxMSW = nativePlatforms;
};
in mapTestOnCross crossSystem windows;
/* Linux on the fuloong */
fuloongminipc = let
crossSystem = {
config = "mips64el-unknown-linux";
config = "mips64el-unknown-linux-gnu";
bigEndian = false;
arch = "mips";
float = "hard";