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Add basic bsd.linker.mk auto included from bsd.compiler.mk.

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This will provide LINKER_TYPE and LINKER_VERSION.

MFC after:	2 weeks
Reviewed by:	emaste
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D11308
This commit is contained in:
bdrewery 2017-06-22 21:03:20 +00:00
parent 4a42972a1d
commit 7cf0e0ad69
3 changed files with 35 additions and 0 deletions
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1
share/mk/Makefile
View File

@ -33,6 +33,7 @@ FILES= \
bsd.kmod.mk \
bsd.lib.mk \
bsd.libnames.mk \
bsd.linker.mk \
bsd.links.mk \
bsd.man.mk \
bsd.mkopt.mk \

1
share/mk/bsd.compiler.mk
View File

@ -194,4 +194,5 @@ ${var}.${${X_}_cc_hash}:= ${${var}}
.endif # ${cc} == "CC" || !empty(XCC)
.endfor # .for cc in CC XCC
.include <bsd.linker.mk>
.endif # !target(__<bsd.compiler.mk>__)

33
share/mk/bsd.linker.mk Normal file
View File

@ -0,0 +1,33 @@
# $FreeBSD$
# Setup variables for the linker.
#
# LINKER_TYPE is the major type of linker. Currently binutils and lld support
# automatic detection.
#
# LINKER_VERSION is a numeric constant equal to:
# major * 10000 + minor * 100 + tiny
# It too can be overridden on the command line.
#
# This file may be included multiple times, but only has effect the first time.
#
.if !target(__<bsd.linker.mk>__)
__<bsd.linker.mk>__:
_ld_version!= ${LD} --version 2>/dev/null | head -n 1 || echo none
.if ${_ld_version} == "none"
.error Unable to determine linker type from LD=${LD}
.endif
.if ${_ld_version:[1..2]} == "GNU ld"
LINKER_TYPE= binutils
_v= ${_ld_version:[3]}
.elif ${_ld_version:[1]} == "LLD"
LINKER_TYPE= lld
_v= ${_ld_version:[2]}
.else
.error Unknown linker from LD=${LD}: ${_ld_version}
.endif
LINKER_VERSION!=echo "${_v:M[1-9].[0-9]*}" | awk -F. '{print $$1 * 10000 + $$2 * 100 + $$3;}'
.endif # !target(__<bsd.linker.mk>__)