--- src/Makefile.in.orig	2015-08-14 15:25:52.000000000 -0700
+++ src/Makefile.in	2016-11-27 08:02:04.000000000 -0700
@@ -3,6 +3,7 @@
 LIBS_F=source_f/libsla.a
 CXXFLAGS=@CXXFLAGS@
 FFLAGS=@AM_FFLAGS@ @FFLAGS@
+MACPORTS_FLIBS := $(shell $(MKOCTFILE) -p FLIBS)
 
 ## The next two are important to actually rebuild them when a change
 ## is made to the the functions they link to.
@@ -73,7 +74,7 @@
 	$(MKOCTFILE) $(CXXFLAGS) $< $(LIBS) -o $@
 
 $(OCT_LINK_F): %.oct : %.cc $(OBJECTS_F) $(LIBS_F)
-	$(MKOCTFILE) $(CXXFLAGS) $< $(OBJECTS_F) $(LIBS_F) -o $@
+	$(MKOCTFILE) $(CXXFLAGS) $(MACPORTS_FLIBS) $< $(OBJECTS_F) $(LIBS_F) -o $@
 
 $(OCT_LINK_CC): %.oct : %.cc $(OBJECTS_CC)
 	$(MKOCTFILE) $(CXXFLAGS) $< $(OBJECTS_CC) -o $@