$NetBSD: patch-aa,v 1.6 2017/04/18 00:44:27 minskim Exp $

* Make ruby and swig commands are settable.
* support DESTDIR.
* Add an include directory for ruby 1.9 and later.
* Fix build for Ruby 2.2 and later.

--- Makefile.orig	2016-08-15 17:12:01.000000000 +0000
+++ Makefile
@@ -1,9 +1,8 @@
 #YACC=yacc
 YACC=bison -y  -v
 LEX=flex -P$(YYPREFIX) -olex.yy.c
-SWIG=swig
-RUBY=ruby
-#RUBY=ruby19
+SWIG?=swig
+RUBY?=ruby
 
 RM=rm -f
 INSTALL=install -c
@@ -77,5 +76,5 @@ test_ruby:
 	$(RUBY) ./itextomml.rb
 
 install_ruby:	itex2MML.$(DYLIB_EXT)
-	$(INSTALL) itex2MML.$(DYLIB_EXT) $(RUBY_SITEARCHDIR)
-	$(INSTALL) itextomml.rb itex_stringsupport.rb $(RUBY_SITEDIR)
+	$(INSTALL) itex2MML.$(DYLIB_EXT) $(DESTDIR)$(RUBY_SITEARCHDIR)
+	$(BSD_INSTALL_DATA) itextomml.rb itex_stringsupport.rb $(DESTDIR)$(RUBY_SITEDIR)