Doug Goldstein
957ede76f8
This should fix conversion to real Rust triples for musl targets, for i686 targets and possibly others.
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
# Responseible for taking Yocto triples and converting it to Rust triples
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def rust_base_triple(d, thing):
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'''
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Mangle bitbake's *_SYS into something that rust might support (see
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rust/mk/cfg/* for a list)
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Note that os is assumed to be some linux form
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'''
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arch = d.getVar('{}_ARCH'.format(thing), True)
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# All the Yocto targets are Linux and are 'unknown'
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vendor = "-unknown"
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os = d.getVar('{}_OS'.format(thing), True)
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libc = d.getVar('TCLIBC', True)
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# Prefix with a dash and convert glibc -> gnu
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if libc == "glibc":
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libc = "-gnu"
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elif libc == "musl":
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libc = "-musl"
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# Don't double up musl (only appears to be the case on aarch64)
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if os == "linux-musl":
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if libc != "-musl":
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bb.fatal("{}_OS was '{}' but TCLIBC was not 'musl'".format(thing, os))
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os = "linux"
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# This catches ARM targets and appends the necessary hard float bits
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if os == "linux-gnueabi" or os == "linux-musleabi":
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libc = bb.utils.contains('TUNE_FEATURES', 'callconvention-hard', 'hf', '', d)
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return arch + vendor + '-' + os + libc
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RUST_BUILD_SYS = "${@rust_base_triple(d, 'BUILD')}"
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RUST_HOST_SYS = "${@rust_base_triple(d, 'HOST')}"
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RUST_TARGET_SYS = "${@rust_base_triple(d, 'TARGET')}"
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