110c252870
LTO is disabled during bootstrap to keep the bootstrap tools small and avoid unnecessary LLVM rebuilds, but is enabled in the final stdenv stage and should be usable by normal packages.
139 lines
4.6 KiB
Nix
139 lines
4.6 KiB
Nix
{ stdenv, fetchFromGitHub, autoconf, automake, libtool_2, autoreconfHook
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, libcxxabi, libuuid, llvm
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, libobjc ? null, maloader ? null
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, enableDumpNormalizedLibArgs ? false
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}:
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let
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# We need to use an old version of cctools-port to support linking TBD files
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# in the iOS SDK. Note that this only provides support for SDK versions up to
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# 10.x. For 11.0 and higher we will need to upgrade to a newer cctools than the
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# default version here, which can support the new TBD format via Apple's
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# libtapi.
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useOld = stdenv.targetPlatform.isiOS;
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# The targetPrefix prepended to binary names to allow multiple binuntils on the
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# PATH to both be usable.
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targetPrefix = stdenv.lib.optionalString
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(stdenv.targetPlatform != stdenv.hostPlatform)
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"${stdenv.targetPlatform.config}-";
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in
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# Non-Darwin alternatives
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assert (!stdenv.hostPlatform.isDarwin) -> maloader != null;
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assert enableDumpNormalizedLibArgs -> (!useOld);
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let
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baseParams = rec {
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name = "${targetPrefix}cctools-port-${version}";
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version = if useOld then "886" else "895";
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src = fetchFromGitHub (if enableDumpNormalizedLibArgs then {
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owner = "tpoechtrager";
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repo = "cctools-port";
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# master with https://github.com/tpoechtrager/cctools-port/pull/34
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rev = "8395d4b2c3350356e2fb02f5e04f4f463c7388df";
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sha256 = "10vbf1cfzx02q8chc77s84fp2kydjpx2y682mr6mrbb7sq5rwh8f";
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} else if useOld then {
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owner = "tpoechtrager";
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repo = "cctools-port";
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rev = "02f0b8ecd87a3951653d838a321ae744815e21a5";
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sha256 = "0bzyabzr5dvbxglr74d0kbrk2ij5x7s5qcamqi1v546q1had1wz1";
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} else {
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owner = "tpoechtrager";
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repo = "cctools-port";
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rev = "2e569d765440b8cd6414a695637617521aa2375b"; # From branch 895-ld64-274.2
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sha256 = "0l45mvyags56jfi24rawms8j2ihbc45mq7v13pkrrwppghqrdn52";
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});
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outputs = [ "out" "dev" ];
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nativeBuildInputs = [
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autoconf automake libtool_2
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] ++ stdenv.lib.optionals useOld [
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autoreconfHook
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];
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buildInputs = [ libuuid ] ++
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stdenv.lib.optionals stdenv.isDarwin [ llvm libcxxabi libobjc ];
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patches = [
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./ld-rpath-nonfinal.patch ./ld-ignore-rpath-link.patch
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] ++ stdenv.lib.optionals useOld [
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# See https://github.com/tpoechtrager/cctools-port/issues/24. Remove when that's fixed.
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./undo-unknown-triple.patch
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./ld-tbd-v2.patch
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./support-ios.patch
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];
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__propagatedImpureHostDeps = stdenv.lib.optionals (!useOld) [
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# As far as I can tell, otool from cctools is the only thing that depends on these two, and we should fix them
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"/usr/lib/libobjc.A.dylib"
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"/usr/lib/libobjc.dylib"
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];
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enableParallelBuilding = true;
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# TODO(@Ericson2314): Always pass "--target" and always targetPrefix.
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configurePlatforms = [ "build" "host" ] ++ stdenv.lib.optional (stdenv.targetPlatform != stdenv.hostPlatform) "target";
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postPatch = ''
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sed -i -e 's/addStandardLibraryDirectories = true/addStandardLibraryDirectories = false/' cctools/ld64/src/ld/Options.cpp
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# FIXME: there are far more absolute path references that I don't want to fix right now
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substituteInPlace cctools/configure.ac \
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--replace "-isystem /usr/local/include -isystem /usr/pkg/include" "" \
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--replace "-L/usr/local/lib" "" \
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substituteInPlace cctools/include/Makefile \
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--replace "/bin/" ""
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patchShebangs tools
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sed -i -e 's/which/type -P/' tools/*.sh
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# Workaround for https://www.sourceware.org/bugzilla/show_bug.cgi?id=11157
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cat > cctools/include/unistd.h <<EOF
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#ifdef __block
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# undef __block
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# include_next "unistd.h"
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# define __block __attribute__((__blocks__(byref)))
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#else
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# include_next "unistd.h"
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#endif
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EOF
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cd cctools
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'';
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# TODO: this builds an ld without support for LLVM's LTO. We need to teach it, but that's rather
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# hairy to handle during bootstrap. Perhaps it could be optional?
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preConfigure = ''
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sh autogen.sh
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'';
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preInstall = ''
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pushd include
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make DSTROOT=$out/include RC_OS=common install
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popd
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'';
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postInstall = ''
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cat >$out/bin/dsymutil << EOF
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#!${stdenv.shell}
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EOF
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chmod +x $out/bin/dsymutil
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'';
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passthru = {
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inherit targetPrefix;
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};
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meta = {
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broken = !stdenv.targetPlatform.isDarwin; # Only supports darwin targets
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homepage = http://www.opensource.apple.com/source/cctools/;
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description = "MacOS Compiler Tools (cross-platform port)";
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license = stdenv.lib.licenses.apsl20;
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};
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};
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in stdenv.mkDerivation baseParams
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