ghostscript: Really fix parallel make race

There continue to be parallel make race issues showing up on the autobuilder.
This patch removes some potential sources of these. The rm is unrequired
since we're using cp -f. The || true ensures that if we did race against
someone it becomes harmless.

[YOCTO #1202]

(From OE-Core rev: 32840cd95fcde92433fbb0271b82d0f4048a823a)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/ghostscript/ghostscript/ghostscript-9.02-parallel-make.patch

@@ -4,6 +4,8 @@ http://bugzilla.pokylinux.org/show_bug.cgi?id=1202
 Upstream-Status: Pending
 
 Signed-off-by: Kang Kai <kai.kang@windriver.com>
+
+RP: Tweaked to include lib.mak fixes
 --- ghostscript-9.02/base/unixhead.mak.orig	2011-07-27 17:06:17.749456100 +0800
 +++ ghostscript-9.02/base/unixhead.mak	2011-07-27 17:06:37.449456100 +0800
 @@ -54,7 +54,7 @@
@@ -15,3 +17,20 @@ Signed-off-by: Kang Kai <kai.kang@windriver.com>
  RM_=rm -f
  RMN_=rm -f
  
+Index: ghostscript-9.04/base/lib.mak
+===================================================================
+--- ghostscript-9.04.orig/base/lib.mak	2011-11-25 13:06:21.728502636 +0000
++++ ghostscript-9.04/base/lib.mak	2011-11-25 13:08:33.924504957 +0000
+@@ -592,10 +592,8 @@
+  $(gscdefs_h) $(gconf_h)\
+  $(gxdevice_h) $(gxiclass_h) $(gxiodev_h) $(gxiparam_h) $(TOP_MAKEFILES)\
+  $(MAKEDDIRS)
+-	$(RM_) $(GLGEN)gconfig.c
+-	$(RM_) $(GLGEN)gconfig.h
+-	$(CP_) $(gconfig_h) $(GLGEN)gconfig.h
+-	$(CP_) $(GLSRC)gconf.c $(GLGEN)gconfig.c
++	$(CP_) $(gconfig_h) $(GLGEN)gconfig.h || true
++	$(CP_) $(GLSRC)gconf.c $(GLGEN)gconfig.c || true
+ 	$(GLCC) $(GLO_)gconfig.$(OBJ) $(C_) $(GLGEN)gconfig.c
+ 
+ $(GLOBJ)gscdefs.$(OBJ) : $(GLSRC)gscdef.c\

meta/recipes-extended/ghostscript/ghostscript_9.04.bb

@@ -15,7 +15,7 @@ SECTION = "console/utils"
 LICENSE = "GPLv3"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=d151214b3131251dfc9d858593acbd24"
 
-PR = "r0"
+PR = "r1"
 
 DEPENDS = "ghostscript-native tiff jpeg fontconfig cups"
 DEPENDS_virtclass-native = ""