libnl2: Fix a race on route/pktloc_syntax.h

At issue is that route/pktloc.c (not generated) depends on
route/pktloc_syntax.h (generated).

(From OE-Core rev: 7bec22c70598a5180f754bbbe2dfdd3db2843a64)

(From OE-Core rev: b992c9e631bfb4888a20a13b7ebf3b5acf59edb5)

Signed-off-by: Tom Rini <tom_rini@mentor.com>
Signed-off-by: Matthew McClintock <msm@freescale.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/libnl/fix-pktloc_syntax_h-race.patch

@@ -0,0 +1,26 @@
+Upstream-Status: Inappropriate [configuration]
+
+libnl has progressed to 0.3.2 and there does not appear to be any
+"make -j" issues with this build after my limited testing on that
+newer version so we can assume this issue is fixed upstream
+
+Index: libnl-2.0/lib/Makefile.am
+===================================================================
+--- libnl-2.0.orig/lib/Makefile.am
++++ libnl-2.0/lib/Makefile.am
+@@ -27,11 +27,15 @@ CLEANFILES = \
+ 	route/pktloc_grammar.c route/pktloc_grammar.h \
+ 	route/pktloc_syntax.c route/pktloc_syntax.h
+ 
++BUILT_SOURCES = route/pktloc_syntax.h route/pktloc_grammar.h
++
+ # Hack to avoid using ylwrap. It does not function correctly in combination
+ # with --header-file=
++route/pktloc_grammar.h: route/pktloc_grammar.c
+ route/pktloc_grammar.c: route/pktloc_grammar.l
+ 	$(LEX) --header-file=route/pktloc_grammar.h $(LFLAGS) -o $@ $^
+ 
++route/pktloc_syntax.h: route/pktloc_syntax.c
+ route/pktloc_syntax.c: route/pktloc_syntax.y
+ 	$(YACC) -d $(YFLAGS) -o $@ $^
+ 

meta/recipes-support/libnl/libnl_2.0.bb

@@ -6,10 +6,11 @@ LICENSE = "LGPLv2.1"
 LIC_FILES_CHKSUM = "file://COPYING;md5=2b41e13261a330ee784153ecbb6a82bc"
 
 DEPENDS = "flex-native bison-native"
-PR = "r2"
+PR = "r3"
 
 SRC_URI= "http://www.infradead.org/~tgr/libnl/files/${BPN}-${PV}.tar.gz \
           file://fix-makefile.patch \
+	  file://fix-pktloc_syntax_h-race.patch \
          "
 
 SRC_URI[md5sum] = "6aaf1e9802a17a7d702bb0638044ffa7"