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Remove src/llvm-emscripten submodule

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With #65251 landed there's no need to build two LLVM backends and ship
them with rustc, every target we have now uses the same LLVM backend!

This removes the `src/llvm-emscripten` submodule and additionally
removes all support from rustbuild for building the emscripten LLVM
backend. Multiple codegen backend support is left in place for now, and
this is intended to be an easy 10-15 minute win on CI times by avoiding
having to build LLVM twice.
This commit is contained in:
Alex Crichton 2019-10-17 07:04:39 -07:00
parent b7a9c285a5
commit c7d285b781
15 changed files with 36 additions and 109 deletions
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5
src/bootstrap/configure.py
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@ -55,7 +55,6 @@ o("sanitizers", "build.sanitizers", "build the sanitizer runtimes (asan, lsan, m
o("dist-src", "rust.dist-src", "when building tarballs enables building a source tarball")
o("cargo-native-static", "build.cargo-native-static", "static native libraries in cargo")
o("profiler", "build.profiler", "build the profiler runtime")
o("emscripten", None, "compile the emscripten backend as well as LLVM")
o("full-tools", None, "enable all tools")
o("lld", "rust.lld", "build lld")
o("lldb", "rust.lldb", "build lldb")
@ -335,10 +334,8 @@ for key in known_args:
set('build.host', value.split(','))
elif option.name == 'target':
set('build.target', value.split(','))
elif option.name == 'emscripten':
set('rust.codegen-backends', ['llvm', 'emscripten'])
elif option.name == 'full-tools':
set('rust.codegen-backends', ['llvm', 'emscripten'])
set('rust.codegen-backends', ['llvm'])
set('rust.lld', True)
set('rust.llvm-tools', True)
set('build.extended', True)