-ifneq (,$(findstring gfortran,$(ROOTBUILD)))
-SHLIB := $(shell gfortran -print-file-name=libgfortran.so)
-SHLIB += $(shell gfortran -print-file-name=libgfortranbegin.a)
+ifneq (,$(findstring gfortran,$(F77)))
+SHLIB := $(shell $(F77) -m32 -print-file-name=libgfortran.so)
+SHLIB += $(shell $(F77) -m32 -print-file-name=libgfortranbegin.a)
+SYSLIBS += $(SHLIB)