34 lines
941 B
Makefile
34 lines
941 B
Makefile
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# $FreeBSD$
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# Setup variables for the linker.
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#
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# LINKER_TYPE is the major type of linker. Currently binutils and lld support
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# automatic detection.
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#
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# LINKER_VERSION is a numeric constant equal to:
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# major * 10000 + minor * 100 + tiny
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# It too can be overridden on the command line.
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#
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# This file may be included multiple times, but only has effect the first time.
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#
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.if !target(__<bsd.linker.mk>__)
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__<bsd.linker.mk>__:
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_ld_version!= ${LD} --version 2>/dev/null | head -n 1 || echo none
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.if ${_ld_version} == "none"
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.error Unable to determine linker type from LD=${LD}
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.endif
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.if ${_ld_version:[1..2]} == "GNU ld"
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LINKER_TYPE= binutils
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_v= ${_ld_version:[3]}
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.elif ${_ld_version:[1]} == "LLD"
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LINKER_TYPE= lld
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_v= ${_ld_version:[2]}
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.else
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.error Unknown linker from LD=${LD}: ${_ld_version}
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.endif
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LINKER_VERSION!=echo "${_v:M[1-9].[0-9]*}" | awk -F. '{print $$1 * 10000 + $$2 * 100 + $$3;}'
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.endif # !target(__<bsd.linker.mk>__)
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