55 lines
1.8 KiB
Nix
55 lines
1.8 KiB
Nix
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{ 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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}: { prefix, arch, simulator ? false }: let
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sdkType = if simulator then "Simulator" else "OS";
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sdk = "/Applications/Xcode.app/Contents/Developer/Platforms/iPhone${sdkType}.platform/Developer/SDKs/iPhone${sdkType}10.0.sdk";
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/* TODO: Properly integrate with gcc-cross-wrapper */
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wrapper = import ../../../build-support/cc-wrapper {
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inherit stdenv coreutils gnugrep;
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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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cc = clang;
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extraBuildCommands = ''
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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 -L${sdk}/usr/lib/system" > $out/nix-support/libc-ldflags-before
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'';
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};
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in {
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cc = runCommand "${prefix}-cc" {} ''
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mkdir -p $out/bin
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ln -sv ${wrapper}/bin/clang $out/bin/${prefix}-cc
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mkdir -p $out/nix-support
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echo ${llvm} > $out/nix-support/propagated-native-build-inputs
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cat > $out/nix-support/setup-hook <<EOF
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if test "\$dontSetConfigureCross" != "1"; then
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configureFlags="\$configureFlags --host=${prefix}"
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fi
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EOF
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fixupPhase
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'';
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binutils = runCommand "${prefix}-binutils" {} ''
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mkdir -p $out/bin
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ln -sv ${wrapper}/bin/ld $out/bin/${prefix}-ld
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for prog in ar nm ranlib; do
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ln -s ${binutils}/bin/$prog $out/bin/${prefix}-$prog
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done
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fixupPhase
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'';
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}
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