Create a shared version of the MUMPS library.

--- a/src/Makefile
+++ b/src/Makefile
@@ -19,19 +19,19 @@
 zshared: cshared
 
 libcommon: $(incdir)/mumps_int_def.h
-	$(MAKE) $(libdir)/libmumps_common$(PLAT)$(LIBEXT)
+	$(MAKE) FPIC=$(FPIC_OPT) $(libdir)/libmumps_common$(PLAT)$(LIBEXT) $(libdir)/libmumps_common$(PLAT)$(LIBEXT_SHARED)
 
 s: $(incdir)/mumps_int_def.h libcommon
-	$(MAKE) ARITH=s $(libdir)/libsmumps$(PLAT)$(LIBEXT)
+	$(MAKE) FPIC=$(FPIC_OPT) ARITH=s $(libdir)/libsmumps$(PLAT)$(LIBEXT) $(libdir)/libsmumps$(PLAT)$(LIBEXT_SHARED)
 
 d: $(incdir)/mumps_int_def.h libcommon
-	$(MAKE) ARITH=d $(libdir)/libdmumps$(PLAT)$(LIBEXT)
+	$(MAKE) FPIC=$(FPIC_OPT) ARITH=d $(libdir)/libdmumps$(PLAT)$(LIBEXT) $(libdir)/libdmumps$(PLAT)$(LIBEXT_SHARED)
 
 c: $(incdir)/mumps_int_def.h libcommon
-	$(MAKE) ARITH=c $(libdir)/libcmumps$(PLAT)$(LIBEXT)
+	$(MAKE) FPIC=$(FPIC_OPT) ARITH=c $(libdir)/libcmumps$(PLAT)$(LIBEXT) $(libdir)/libcmumps$(PLAT)$(LIBEXT_SHARED)
 
 z: $(incdir)/mumps_int_def.h libcommon
-	$(MAKE) ARITH=z $(libdir)/libzmumps$(PLAT)$(LIBEXT)
+	$(MAKE) FPIC=$(FPIC_OPT) ARITH=z $(libdir)/libzmumps$(PLAT)$(LIBEXT) $(libdir)/libzmumps$(PLAT)$(LIBEXT_SHARED)
 
 
 # Rules for shared libraries
@@ -242,14 +242,18 @@
 	$(RANLIB) $@
 
 $(libdir)/libmumps_common$(PLAT)$(LIBEXT_SHARED):      $(OBJS_COMMON_MOD) $(OBJS_COMMON_OTHER) $(OBJS_C_COMMON)
-	$(FC) $(OPTL) $(SHARED_OPT) $^ -Wl,$(SONAME),libmumps_common$(PLAT)$(LIBEXT_SHARED) -L$(libdir) $(RPATH_OPT) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -o $@ 
+	$(FC) $(OPTL) $(SHARED_OPT) $^ -Wl,$(SONAME),libmumps_common$(PLAT)-$(SOVERSION)$(LIBEXT_SHARED) -L$(libdir) $(RPATH_OPT) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -o $(libdir)/libmumps_common$(PLAT)-$(VERSION)$(LIBEXT_SHARED)
+	ln -s libmumps_common$(PLAT)-$(VERSION)$(LIBEXT_SHARED) $(libdir)/libmumps_common$(PLAT)-$(SOVERSION)$(LIBEXT_SHARED)
+	ln -s libmumps_common$(PLAT)-$(VERSION)$(LIBEXT_SHARED) $@
 
 $(libdir)/lib$(ARITH)mumps$(PLAT)$(LIBEXT):    $(OBJS_MOD_ARITHDEP) $(OBJS_OTHER)
 	$(AR)$@ $?
 	$(RANLIB) $@
 
 $(libdir)/lib$(ARITH)mumps$(PLAT)$(LIBEXT_SHARED):    $(OBJS_MOD_ARITHDEP) $(OBJS_OTHER) $(libdir)/libmumps_common$(PLAT)$(LIBEXT_SHARED)
-	$(FC) $(OPTL) $(SHARED_OPT) $(OBJS_MOD_ARITHDEP) $(OBJS_OTHER) -L$(libdir) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -lmumps_common$(PLAT) -o $@ $(RPATH_OPT)
+	$(FC) $(OPTL) $(SHARED_OPT) -Wl,-soname,lib$(ARITH)mumps$(PLAT)-$(SOVERSION)$(LIBEXT_SHARED) $(OBJS_MOD_ARITHDEP) $(OBJS_OTHER) -L$(libdir) $(LORDERINGS) $(LIBS) $(LIBOTHERS) -lmumps_common$(PLAT) -o $(libdir)/lib$(ARITH)mumps$(PLAT)-$(VERSION)$(LIBEXT_SHARED) $(RPATH_OPT)
+	ln -s lib$(ARITH)mumps$(PLAT)-$(VERSION)$(LIBEXT_SHARED) $(libdir)/lib$(ARITH)mumps$(PLAT)-$(SOVERSION)$(LIBEXT_SHARED)
+	ln -s lib$(ARITH)mumps$(PLAT)-$(VERSION)$(LIBEXT_SHARED) $@
 
 
 # Dependencies between modules: