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From: Brooks Davis <brooks@FreeBSD.org>
Subject: PERFORCE change 1198871 for review
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http://p4web.freebsd.org/@@1198871?ac=10

Change 1198871 by brooks@brooks_vica on 2014/08/18 16:10:41

	Add a new variable LIBADD which itends to replace manual setting of
	DPADD and LDADD thus eliminating the possiblity of getting them out
	of sync, allowing easier transtions between libaries, and enabling
	more complex linking options such as whole program analysis via
	LLVM-IR.

Affected files ...

.. //depot/projects/ctsrd/tesla/src/share/mk/bsd.README#2 edit
.. //depot/projects/ctsrd/tesla/src/share/mk/bsd.libnames.mk#5 edit

Differences ...

==== //depot/projects/ctsrd/tesla/src/share/mk/bsd.README#2 (text+ko) ====

@@ -228,10 +228,19 @@
 		For example, to load with the compatibility and utility
 		libraries, use:
 
-			LDADD=-lutil -lcompat
+			LDADD=-lcompat -lutil
 
 LDFLAGS		Additional loader flags.
 
+LIBADD		Replacement for LDADD and DPADD taking a list of lowercase
+		library names.  A corresponding LIB<LIBNAME> variable must
+		be defined and will be added to DPADD.  A MINUSL<LIB>
+		variable will be added to LDADD if define and if not -l<lib>
+		will be added.  For example, to use the compatibility and
+		utility libraries, use:
+
+			LIBADD=compat util
+
 LINKS		The list of binary links; should be full pathnames, the
 		linked-to file coming first, followed by the linked
 		file.  The files are hard-linked.  For example, to link

==== //depot/projects/ctsrd/tesla/src/share/mk/bsd.libnames.mk#5 (text+ko) ====

@@ -177,3 +177,6 @@
 LIBZFS?=	${DESTDIR}${LIBDIR}/libzfs.a
 LIBZFS_CORE?=	${DESTDIR}${LIBDIR}/libzfs_core.a
 LIBZPOOL?=	${DESTDIR}${LIBDIR}/libzpool.a
+
+DPADD+=	${LIBADD:@L@${LIB${L:tu}:U"No LIB${L:tu} variable defined"}@}
+LDADD+=	${LIBADD:@L@${MINUSL${L:tu}:U${L:S/^/-l/}}@}