MKATF variable

[Gregory McGarry <greg%bitlynx.com@localhost>]

I'd like to add a mechanism to avoid compiling libatf-c++, since it  
is the only library in the base system which requires a c++  
compiler.  Are there more places to sprinkle MKATF tests?

Index: Makefile
===================================================================
RCS file: /cvsroot/src/lib/Makefile,v
retrieving revision 1.124
diff -u -r1.124 Makefile
--- Makefile    22 May 2008 14:16:11 -0000      1.124
+++ Makefile    8 Jul 2008 06:44:43 -0000
@@ -3,7 +3,7 @@

 .include <bsd.own.mk>

-SUBDIR=        csu libc .WAIT libarch libatf-c libatf-c++ \
+SUBDIR=        csu libc .WAIT libarch \
        libbsdmalloc libbluetooth libbz2 \
        libcompat libcrypt \
        libcurses libevent libintl libkvm libl libm \
@@ -11,6 +11,10 @@
        libpthread_dbg libpuffs libresolv librmt librpcsvc librt  
libsdp \
        libterm libusbhid libutil libwrap liby libz

+.if (${MKATF} != "no")
+SUBDIR+= libatf-c libatf-c++
+.endif
+
 # libform and libmenu need libcurses
 SUBDIR+=       .WAIT libform libmenu

Index: bsd.own.mk
===================================================================
RCS file: /cvsroot/src/share/mk/bsd.own.mk,v
retrieving revision 1.513
diff -u -r1.513 bsd.own.mk
--- bsd.own.mk  23 May 2008 13:07:35 -0000      1.513
+++ bsd.own.mk  8 Jul 2008 06:43:41 -0000
@@ -558,7 +558,7 @@
        MKOBJ \
        MKPAM MKPF MKPIC MKPICINSTALL MKPICLIB MKPOSTFIX MKPROFILE \
        MKSHARE MKSKEY MKSTATICLIB \
-       MKYP
+       MKYP MKATF
 ${var}?=       yes
 .endfor