--- spack-src/install/extlibs_makefile.org	2021-01-22 10:11:00.527343202 +0900
+++ spack-src/install/extlibs_makefile	2021-01-22 10:15:24.319956918 +0900
@@ -89,6 +89,7 @@
         mkdir ../FoX; \
 	(gzip -dc ../archive/fox.tgz | (cd ../FoX; tar -xvf -)); \
 	cd ../FoX/fox/; export FC=$(F90); export FCFLAGS="$(FOX_FLAGS)"; \
+	sed -i 's/"-out " "-o "/"-o " "-out "/' configure; \
 	./configure --prefix=$(TOPDIR)/FoX ;\
 	$(MAKE) install; cd ../; rm -fr fox;fi
 # ELPA