Date: Thu, 22 Jun 2017 21:03:20 +0000 (UTC) From: Bryan Drewery <bdrewery@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r320244 - head/share/mk Message-ID: <201706222103.v5ML3KDs026508@repo.freebsd.org>
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Author: bdrewery Date: Thu Jun 22 21:03:20 2017 New Revision: 320244 URL: https://svnweb.freebsd.org/changeset/base/320244 Log: Add basic bsd.linker.mk auto included from bsd.compiler.mk. 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 Added: head/share/mk/bsd.linker.mk (contents, props changed) Modified: head/share/mk/Makefile head/share/mk/bsd.compiler.mk Modified: head/share/mk/Makefile ============================================================================== --- head/share/mk/Makefile Thu Jun 22 20:32:23 2017 (r320243) +++ head/share/mk/Makefile Thu Jun 22 21:03:20 2017 (r320244) @@ -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 \ Modified: head/share/mk/bsd.compiler.mk ============================================================================== --- head/share/mk/bsd.compiler.mk Thu Jun 22 20:32:23 2017 (r320243) +++ head/share/mk/bsd.compiler.mk Thu Jun 22 21:03:20 2017 (r320244) @@ -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>__) Added: head/share/mk/bsd.linker.mk ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/share/mk/bsd.linker.mk Thu Jun 22 21:03:20 2017 (r320244) @@ -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>__)
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