MINIRUBY for cross-compling

* template/configure-ext.mk.tmpl (EXTMK_ARGS): add MINIRUBY for
  cross-compling, which is used in extmk.rb.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57764 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

common.mk

@@ -216,12 +216,14 @@ exts: build-ext
 EXTS_MK = exts.mk
 $(EXTS_MK): ext/configure-ext.mk $(TIMESTAMPDIR)/.$(arch).time $(srcdir)/template/exts.mk.tmpl
 	$(Q)$(MAKE) -f ext/configure-ext.mk $(mflags) V=$(V) EXTSTATIC=$(EXTSTATIC) \
-		gnumake=$(gnumake) EXTLDFLAGS="$(EXTLDFLAGS)" srcdir="$(srcdir)"
+		gnumake=$(gnumake) MINIRUBY="$(MINIRUBY)" \
+		EXTLDFLAGS="$(EXTLDFLAGS)" srcdir="$(srcdir)"
 	$(ECHO) generating makefile $@
 	$(Q)$(MINIRUBY) $(srcdir)/tool/generic_erb.rb -o $@ -c \
 	    $(srcdir)/template/exts.mk.tmpl --gnumake=$(gnumake)
 
-ext/configure-ext.mk: $(PREP) all-incs $(MKFILES) $(RBCONFIG) $(LIBRUBY)
+ext/configure-ext.mk: $(PREP) all-incs $(MKFILES) $(RBCONFIG) $(LIBRUBY) \
+		$(srcdir)/template/configure-ext.mk.tmpl
 	$(ECHO) generating makefiles $@
 	$(Q)$(MAKEDIRS) $(@D)
 	$(Q)$(MINIRUBY) $(srcdir)/tool/generic_erb.rb -o $@ -c \

template/configure-ext.mk.tmpl

@@ -24,6 +24,7 @@ end
 MINIRUBY = <%=miniruby%>
 SCRIPT_ARGS = <%=script_args%>
 EXTMK_ARGS = $(SCRIPT_ARGS) --gnumake=$(gnumake) --extflags="$(EXTLDFLAGS)" \
+	   --make-flags='MINIRUBY=$(MINIRUBY)'
 
 all: exts gems
 exts: