62 lines
2.1 KiB
Nix
62 lines
2.1 KiB
Nix
{ runCommand
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, lib
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, llvm
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, clang
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, binutils
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, stdenv
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, coreutils
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, gnugrep
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, buildPackages
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, hostPlatform
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, targetPlatform
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}:
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/* As of this writing, known-good prefix/arch/simulator triples:
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* aarch64-apple-darwin14 | arm64 | false
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* arm-apple-darwin10 | armv7 | false
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* i386-apple-darwin11 | i386 | true
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* x86_64-apple-darwin14 | x86_64 | true
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*/
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# Apple uses somewhat non-standard names for this. We could fall back on
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# `targetPlatform.parsed.cpu.name`, but that would be a more standard one and
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# likely to fail. Better just to require something manual.
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assert targetPlatform ? arch;
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let
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prefix = targetPlatform.config;
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inherit (targetPlatform) arch;
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simulator = targetPlatform.isiPhoneSimulator or false;
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sdkType = if simulator then "Simulator" else "OS";
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sdkVer = "10.2";
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sdk = "/Applications/Xcode.app/Contents/Developer/Platforms/iPhone${sdkType}.platform/Developer/SDKs/iPhone${sdkType}${sdkVer}.sdk";
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in (import ../../../build-support/cc-wrapper {
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inherit stdenv coreutils gnugrep runCommand buildPackages;
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nativeTools = false;
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nativeLibc = false;
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inherit binutils;
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libc = runCommand "empty-libc" {} "mkdir -p $out/{lib,include}";
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inherit (clang) cc;
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inherit hostPlatform targetPlatform;
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extraBuildCommands = ''
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if ! [ -d ${sdk} ]; then
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echo "You must have ${sdkVer} of the iPhone${sdkType} sdk installed at ${sdk}" >&2
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exit 1
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fi
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# ugh
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tr '\n' ' ' < $out/nix-support/cc-cflags > cc-cflags.tmp
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mv cc-cflags.tmp $out/nix-support/cc-cflags
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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
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# 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
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'';
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}) // {
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inherit sdkType sdkVer sdk;
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}
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