--- makefile.u.orig	2004-06-30 23:30:44.980603208 +0200
+++ makefile.u	2004-06-30 23:33:28.220786928 +0200
@@ -17,6 +17,7 @@
 # compile, then strip unnecessary symbols
 .c.o:
 	$(CC) -c -DSkip_f2c_Undefs $(CFLAGS) $*.c
+	$(CC) -c -DSkip_f2c_Undefs $(CFLAGS) -fPIC $*.c -o shared/$*.o
 	ld -r -x -o $*.xxx $*.o
 	mv $*.xxx $*.o
 ## Under Solaris (and other systems that do not understand ld -x),
@@ -63,7 +64,14 @@
 # For INTEGER*8 support (which requires system-dependent adjustments to
 # f2c.h), add $(QINT) to the libf2c.a dependency list below...
 
-all: f2c.h signal1.h sysdep1.h libf2c.a
+dirs:
+	mkdir -p shared
+
+libf2c.so: $(MISC) $(POW) $(CX) $(DCX) $(REAL) $(DBL) $(INT) \
+	$(HALF) $(CMP) $(EFL) $(CHAR) $(I77) $(TIME)
+	gcc -shared -o libf2c.so shared/*.o
+
+all: dirs f2c.h signal1.h sysdep1.h libf2c.a libf2c.so
 
 libf2c.a: $(MISC) $(POW) $(CX) $(DCX) $(REAL) $(DBL) $(INT) \
 	$(HALF) $(CMP) $(EFL) $(CHAR) $(I77) $(TIME)
@@ -74,9 +82,11 @@
 
 f77vers.o: f77vers.c
 	$(CC) -c f77vers.c
+	$(CC) -fPIC -c f77vers.c -o shared/f77vers.o
 
 i77vers.o: i77vers.c
 	$(CC) -c i77vers.c
+	$(CC) -fPIC -c i77vers.c -o shared/i77vers.o
 
 # To get an "f2c.h" for use with "f2c -C++", first "make hadd"
 hadd: f2c.h0 f2ch.add
@@ -108,7 +118,7 @@
 	-ranlib $(LIBDIR)/libf2c.a
 
 clean:
-	rm -f libf2c.a *.o arith.h signal1.h sysdep1.h
+	rm -f libf2c.a *.o shared/*.o arith.h signal1.h sysdep1.h
 
 backspac.o:	fio.h
 close.o:	fio.h