@echo "Running $(FPTOOLS_TOP)/config.status to update configuration info..."
@( cd $(FPTOOLS_TOP) && ./config.status )
-$(TOP)/configure : $(TOP)/configure.in $(TOP)/aclocal.m4
+$(TOP)/configure : $(TOP)/configure.ac $(TOP)/aclocal.m4
@echo "Regenerating $(FPTOOLS_TOP)/configure..."
@( cd $(FPTOOLS_TOP) && $(MAKE) -f Makefile.config ./configure )