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bazel-contrib / musl-toolchain

Apache License 2.0
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Disable isl #23

Closed illicitonion closed 5 months ago

illicitonion commented 5 months ago

The macOS x86_64 GitHub Actions image contains isl which gets dynamically linked in some of the libexec files (particularly cc1plus).

We don't want this runtime dep, so don't link it. It's only used for certain optimisations which we can forego by now.

Here's the output of what things dynamically link in the darwin x86_86 output after this PR:

% for f in bin/* libexec/gcc/x86_64-linux-musl/11.3.0/*; do otool -L ${f}; done
bin/x86_64-linux-musl-addr2line:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-ar:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-as:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-c++:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-c++filt:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-cc:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-cpp:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-elfedit:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-g++:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcc:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcc-11.3.0:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcc-ar:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcc-nm:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcc-ranlib:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcov:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcov-dump:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gcov-tool:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-gprof:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-ld:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-ld.bfd:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-lto-dump:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-nm:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-objcopy:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-objdump:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-ranlib:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-readelf:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
bin/x86_64-linux-musl-size:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-strings:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
bin/x86_64-linux-musl-strip:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/cc1:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/cc1plus:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/collect2:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/g++-mapper-server:
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool-classic: can't map file: libexec/gcc/x86_64-linux-musl/11.3.0/install-tools (Invalid argument)
libexec/gcc/x86_64-linux-musl/11.3.0/liblto_plugin.la: is not an object file
libexec/gcc/x86_64-linux-musl/11.3.0/liblto_plugin.so:
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/lto-wrapper:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
libexec/gcc/x86_64-linux-musl/11.3.0/lto1:
    /usr/lib/libiconv.2.dylib (compatibility version 7.0.0, current version 7.0.0)
    /usr/lib/libc++.1.dylib (compatibility version 1.0.0, current version 1200.3.0)
    /usr/lib/libSystem.B.dylib (compatibility version 1.0.0, current version 1311.0.0)
error: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/otool-classic: can't map file: libexec/gcc/x86_64-linux-musl/11.3.0/plugin (Invalid argument)