When parallel make it will fail with multi copy, see
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 @@
 
 # Define generic commands.
 
-CP_=cp
+CP_=cp -f
 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\