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