svn commit: r320244 - head/share/mk
Bryan Drewery
bdrewery at FreeBSD.org
Thu Jun 22 21:03:22 UTC 2017
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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