--- common.mk~ 2013-11-12 06:31:59.000000000 -0800 +++ common.mk 2014-02-18 14:54:17.000000000 -0800 @@ -120,7 +120,7 @@ SCRIPT_ARGS = --dest-dir="$(DESTDIR)" --make-flags="$(MAKEFLAGS)" EXTMK_ARGS = $(SCRIPT_ARGS) --extension $(EXTS) --extstatic $(EXTSTATIC) \ --make-flags="V=$(V) MINIRUBY='$(MINIRUBY)'" -- -INSTRUBY = $(SUDO) $(RUNRUBY) -r./$(arch)-fake $(srcdir)/tool/rbinstall.rb +INSTRUBY = $(SUDO) SDKROOT=/ $(RUNRUBY) -r./$(arch)-fake $(srcdir)/tool/rbinstall.rb INSTRUBY_ARGS = $(SCRIPT_ARGS) \ --data-mode=$(INSTALL_DATA_MODE) \ --prog-mode=$(INSTALL_PROG_MODE) \