$OpenBSD: patch-common_mk,v 1.2 2016/11/19 04:56:00 jeremy Exp $

Don't regenerate rdoc documentation during install.

--- common.mk.orig	Thu Aug 11 12:26:43 2016
+++ common.mk	Tue Nov 15 07:44:15 2016
@@ -200,7 +200,7 @@ $(EXTS_MK): $(MKFILES) all-incs $(PREP) $(RBCONFIG) $(
 configure-ext: $(EXTS_MK)
 
 build-ext: $(EXTS_MK)
-	$(Q)$(MAKE) -f $(EXTS_MK) $(MFLAGS) libdir="$(libdir)" LIBRUBY_EXTS=$(LIBRUBY_EXTS) \
+	$(Q)$(MAKE) -f $(EXTS_MK) V=1 $(MFLAGS) libdir="$(libdir)" LIBRUBY_EXTS=$(LIBRUBY_EXTS) \
 	    EXTENCS="$(ENCOBJS)" UPDATE_LIBRARIES=no $(EXTSTATIC)
 
 prog: program wprogram
@@ -423,7 +423,7 @@ dont-install-man: $(PREP)
 post-no-install-man::
 	@$(NULLCMD)
 
-install-doc: rdoc pre-install-doc do-install-doc post-install-doc
+install-doc: pre-install-doc do-install-doc post-install-doc
 pre-install-doc:: install-prereq
 do-install-doc: $(PROGRAM) pre-install-doc
 	$(INSTRUBY) --make="$(MAKE)" $(INSTRUBY_ARGS) --install=rdoc --rdoc-output="$(RDOCOUT)"
