Rename LLD_AS_LD to LLD_IS_LD, for consistency with CLANG_IS_CC

Reported by:	Dan McGregor <dan.mcgregor usask.ca>

Makefile.inc1

@@ -516,7 +516,7 @@ TMAKE=		MAKEOBJDIRPREFIX=${OBJTREE} \
 # cross-tools stage
 XMAKE=		TOOLS_PREFIX=${WORLDTMP} ${BMAKE} \
 		TARGET=${TARGET} TARGET_ARCH=${TARGET_ARCH} \
-		MK_GDB=no MK_TESTS=no MK_LLD_AS_LD=no
+		MK_GDB=no MK_TESTS=no MK_LLD_IS_LD=no
 
 # kernel-tools stage
 KTMAKEENV=	INSTALL="sh ${.CURDIR}/tools/install.sh" \

UPDATING

@@ -51,6 +51,10 @@ NOTE TO PEOPLE WHO THINK THAT FreeBSD 12.x IS SLOW:
 
 ****************************** SPECIAL WARNING: ******************************
 
+20170127:
+	The WITH_LLD_AS_LD / WITHOUT_LLD_AS_LD build knobs have been renamed
+	WITH_LLD_IS_LD / WITHOUT_LLD_IS_LD, for consistency with CLANG_IS_CC.
+
 20170112:
 	The EM_MULTIQUEUE kernel configuration option is deprecated now that
 	the em(4) driver conforms to iflib specifications.

gnu/usr.bin/binutils/ld/Makefile

@@ -49,7 +49,7 @@ CLEANFILES+=	ldemul-list.h stringify.sed
 
 FILES=		${LDSCRIPTS:S|^|ldscripts/|}
 FILESDIR=	${SCRIPTDIR}
-.if ${MK_LLD_AS_LD} == "no"
+.if ${MK_LLD_IS_LD} == "no"
 LINKS=		${BINDIR}/ld.bfd ${BINDIR}/ld
 .endif
 

share/mk/src.opts.mk

@@ -251,9 +251,9 @@ __DEFAULT_YES_OPTIONS+=LLVM_LIBUNWIND
 __DEFAULT_NO_OPTIONS+=LLVM_LIBUNWIND
 .endif
 .if ${__T} == "aarch64"
-__DEFAULT_YES_OPTIONS+=LLD_AS_LD
+__DEFAULT_YES_OPTIONS+=LLD_IS_LD
 .else
-__DEFAULT_NO_OPTIONS+=LLD_AS_LD
+__DEFAULT_NO_OPTIONS+=LLD_IS_LD
 .endif
 .if ${__T} == "aarch64" || ${__T} == "amd64"
 __DEFAULT_YES_OPTIONS+=LLD LLDB

usr.bin/clang/lld/Makefile

@@ -8,7 +8,7 @@ LLD_SRCS=	${LLVM_SRCS}/tools/lld
 PACKAGE=	lld
 PROG_CXX=	ld.lld
 MAN=
-.if ${MK_LLD_AS_LD} != "no"
+.if ${MK_LLD_IS_LD} != "no"
 SYMLINKS=	${PROG_CXX} ${BINDIR}/ld
 .endif