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The current setup uses different ways for different platforms, with different workarounds, even using extra configuration items for Windows. Now that there can't be a difference between the host per the build system and the host per rust, we can get rid of those configuration items, and use a more common infrastructure. We cannot, however, avoid using wrapper scripts, because per-target rust link-arg flags don't work up great. The downside is that multiplies the number of wrappers, as we now have to have a different one for host and target, and then we have .bat files and shell scripts for, respectively, Windows hosts, and other hosts. Depends on D24321 Differential Revision: https://phabricator.services.mozilla.com/D24322 --HG-- extra : moz-landing-system : lando
23 lines
960 B
Bash
Executable File
23 lines
960 B
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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# $@ is doubly quoted for the eval. See bug 1418598.
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eval ${MOZ_CARGO_WRAP_LD} ${MOZ_CARGO_WRAP_LDFLAGS} '"$@"'
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