nixpkgs/pkgs/os-specific/darwin/xcode/sdk-pkgs.nix
Matthew Bauer 3432b1baa8 xcode: don’t use libstdc++ on iOS
Apple no longer ships with it, so best to avoid forcing it into use.
2020-01-03 15:19:34 -05:00

74 lines
2.0 KiB
Nix

{ targetPlatform
, clang-unwrapped
, binutils-unwrapped
, runCommand
, stdenv
, wrapBintoolsWith
, wrapCCWith
, buildIosSdk, targetIosSdkPkgs
, xcode
, lib
}:
let
minSdkVersion = "9.0";
iosPlatformArch = { parsed, ... }: {
armv7a = "armv7";
aarch64 = "arm64";
x86_64 = "x86_64";
}.${parsed.cpu.name};
in
rec {
sdk = rec {
name = "ios-sdk";
type = "derivation";
outPath = xcode + "/Contents/Developer/Platforms/${platform}.platform/Developer/SDKs/${platform}${version}.sdk";
platform = targetPlatform.xcodePlatform;
version = targetPlatform.sdkVer;
};
binutils = wrapBintoolsWith {
libc = targetIosSdkPkgs.libraries;
bintools = binutils-unwrapped;
extraBuildCommands = ''
echo "-arch ${iosPlatformArch targetPlatform}" >> $out/nix-support/libc-ldflags
'';
};
clang = (wrapCCWith {
cc = clang-unwrapped;
bintools = binutils;
libc = targetIosSdkPkgs.libraries;
extraPackages = [ "${sdk}/System" ];
extraBuildCommands = ''
tr '\n' ' ' < $out/nix-support/cc-cflags > cc-cflags.tmp
mv cc-cflags.tmp $out/nix-support/cc-cflags
echo "-target ${targetPlatform.config} -arch ${iosPlatformArch targetPlatform}" >> $out/nix-support/cc-cflags
echo "-isystem ${sdk}/usr/include${lib.optionalString (lib.versionAtLeast "10" sdk.version) " -isystem ${sdk}/usr/include/c++/4.2.1/ -stdlib=libstdc++"}" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (sdk.platform == "iPhoneSimulator") ''
echo "-mios-simulator-version-min=${minSdkVersion}" >> $out/nix-support/cc-cflags
'' + stdenv.lib.optionalString (sdk.platform == "iPhoneOS") ''
echo "-miphoneos-version-min=${minSdkVersion}" >> $out/nix-support/cc-cflags
'';
}) // {
inherit sdk;
};
libraries = let sdk = buildIosSdk; in runCommand "libSystem-prebuilt" {
passthru = {
inherit sdk;
};
} ''
if ! [ -d ${sdk} ]; then
echo "You must have version ${sdk.version} of the ${sdk.platform} sdk installed at ${sdk}" >&2
exit 1
fi
ln -s ${sdk}/usr $out
'';
}