Makefile.in: selectable configure

* Makefile.in (reconfig): use selected configure script name.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50039 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Makefile.in

@@ -289,12 +289,12 @@ uncommon.mk: $(srcdir)/common.mk
 		sed 's/{\$$([^(){}]*)[^{}]*}//g' $< > $@
 
 .PHONY: reconfig
-reconfig-args = $(srcdir)/configure $(configure_args)
+reconfig-args = $(srcdir)/$(CONFIGURE) $(configure_args)
 config.status-args = ./config.status --recheck
-reconfig-exec-0 = exec 3>&1; exit `exec 4>&1; { "$$@" 3>&- 4>&-; echo $$? 1>&4; } | fgrep -v '(cached)' 1>&3`
+reconfig-exec-0 = exec 3>&1; exit `exec 4>&1; { "$$@" 3>&- 4>&-; echo $$? 1>&4; } | fgrep -v '(cached)' 1>&3 3>&- 4>&-`
 reconfig-exec-1 = set -x; "$$@"
 
-reconfig config.status:	$(srcdir)/configure $(srcdir)/enc/Makefile.in \
+reconfig config.status:	$(srcdir)/$(CONFIGURE) $(srcdir)/enc/Makefile.in \
 			$(srcdir)/include/ruby/version.h
 	@PWD= MINIRUBY="$(MINIRUBY)"; export MINIRUBY; \
 	set $(SHELL) $($@-args); $(reconfig-exec-$(V))