With the Intel compiler on Linux, prefer ifort for the final link step

icc has known problems with mixed-language builds that ifort can handle just fine. Fixes #1956

exports/Makefile

@@ -141,6 +141,14 @@ else
 	$(OBJCOPY) --redefine-syms objcopy.def ../$(LIBNAME) ../$(LIBNAME).renamed
 ../$(LIBSONAME) : ../$(LIBNAME).renamed linktest.c
 endif
+
+ifeq ($(F_COMPILER), INTEL)
+	$(FC) $(FFLAGS) $(LDFLAGS) -shared -o ../$(LIBSONAME) \
+	-Wl,--whole-archive $< -Wl,--no-whole-archive \
+	-Wl,-soname,$(INTERNALNAME) $(EXTRALIB)
+	$(CC) $(CFLAGS) $(LDFLAGS) -w -o linktest linktest.c ../$(LIBSONAME) $(FEXTRALIB) && echo OK.
+else
+
 ifneq ($(C_COMPILER), LSB)
 	$(CC) $(CFLAGS) $(LDFLAGS) -shared -o ../$(LIBSONAME) \
 	-Wl,--whole-archive $< -Wl,--no-whole-archive \
@@ -152,6 +160,7 @@ else
 	-Wl,--whole-archive $< -Wl,--no-whole-archive \
 	-Wl,-soname,$(INTERNALNAME) $(EXTRALIB)
 	$(FC) $(CFLAGS) $(LDFLAGS) -w -o linktest linktest.c ../$(LIBSONAME) $(FEXTRALIB) && echo OK.
+endif
 endif
 	rm -f linktest