nixpkgs/pkgs/os-specific/darwin/ios-cross/default.nix

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{ runCommand
, lib
, llvm
, clang
, binutils
, stdenv
, coreutils
, gnugrep
, buildPackages
, hostPlatform
, targetPlatform
2016-11-19 15:29:01 +00:00
}:
/* As of this writing, known-good prefix/arch/simulator triples:
* aarch64-apple-darwin14 | arm64 | false
* arm-apple-darwin10 | armv7 | false
* i386-apple-darwin11 | i386 | true
* x86_64-apple-darwin14 | x86_64 | true
*/
# Apple uses somewhat non-standard names for this. We could fall back on
# `targetPlatform.parsed.cpu.name`, but that would be a more standard one and
# likely to fail. Better just to require something manual.
assert targetPlatform ? arch;
let
prefix = targetPlatform.config;
inherit (targetPlatform) arch;
simulator = targetPlatform.isiPhoneSimulator or false;
sdkType = if simulator then "Simulator" else "OS";
sdkVer = "10.2";
sdk = "/Applications/Xcode.app/Contents/Developer/Platforms/iPhone${sdkType}.platform/Developer/SDKs/iPhone${sdkType}${sdkVer}.sdk";
in (import ../../../build-support/cc-wrapper {
inherit stdenv coreutils gnugrep runCommand buildPackages;
nativeTools = false;
nativeLibc = false;
inherit binutils;
libc = runCommand "empty-libc" {} "mkdir -p $out/{lib,include}";
inherit (clang) cc;
inherit hostPlatform targetPlatform;
extraBuildCommands = ''
if ! [ -d ${sdk} ]; then
echo "You must have ${sdkVer} of the iPhone${sdkType} sdk installed at ${sdk}" >&2
exit 1
fi
# ugh
tr '\n' ' ' < $out/nix-support/cc-cflags > cc-cflags.tmp
mv cc-cflags.tmp $out/nix-support/cc-cflags
echo "-target ${prefix} -arch ${arch} -idirafter ${sdk}/usr/include ${if simulator then "-mios-simulator-version-min=7.0" else "-miphoneos-version-min=7.0"}" >> $out/nix-support/cc-cflags
# Purposefully overwrite libc-ldflags-before, cctools ld doesn't know dynamic-linker and cc-wrapper doesn't do cross-compilation well enough to adjust
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echo "-arch ${arch} -L${sdk}/usr/lib ${lib.optionalString simulator "-L${sdk}/usr/lib/system "}-i${if simulator then "os_simulator" else "phoneos"}_version_min 7.0.0" > $out/nix-support/libc-ldflags-before
'';
}) // {
inherit sdkType sdkVer sdk;
}