зеркало из https://github.com/mozilla/gecko-dev.git
39 строки
1.5 KiB
Bash
Executable File
39 строки
1.5 KiB
Bash
Executable File
#!/bin/sh
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# If you want to use a custom linker with Cargo, Cargo requires that you
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# specify it in Cargo.toml or via the matching environment variable.
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# Passing extra options to the linker is possible with Cargo via
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# RUSTFLAGS='-C link-args', but testing showed that doing this reliably
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# was difficult.
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#
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# Our solution to these problems is to use this wrapper script. We pass
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# in the LD and the LDFLAGS to use via environment variables. Note that
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# we do *not* quote either MOZ_CARGO_WRAP variable:
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#
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# * MOZ_CARGO_WRAP_LD is equivalent to CC on Unix-y platforms, and CC
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# frequently has additional arguments in addition to the compiler
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# itself.
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# * MOZ_CARGO_WRAP_LDFLAGS contains space-separated arguments to pass,
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# and not quoting it ensures that each of those arguments is passed
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# as a separate argument to the actual LD.
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#
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# * In rare cases, we also need MOZ_CARGO_WRAP_LD_CXX, which is the
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# equivalent of CXX, when linking C++ code. Usually, this should
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# simply work by the use of CC and -lstdc++ (added by cc-rs).
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# However, in the case of sanitizer runtimes, there is a separate
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# runtime for C and C++ and linking C++ code with the C runtime can
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# fail if the requested feature is in the C++ runtime only (bug 1747298).
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#
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# $@ is doubly quoted for the eval. See bug 1418598.
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WRAP_LD=${MOZ_CARGO_WRAP_LD}
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for opt; do
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case "$opt" in
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-lc++|-lstdc++)
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WRAP_LD=${MOZ_CARGO_WRAP_LD_CXX};
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break;
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;;
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esac
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done
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eval ${WRAP_LD} ${MOZ_CARGO_WRAP_LDFLAGS} '"$@"'
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