SYSLIBS := -ldl -lcrypt -L/usr/X11R6/lib64 -lX11 $(LIBNOVER)
-ifeq (g95,$(F77))
-SHLIB += -L$(shell g95 --print-search-dirs | sed -n -e 's/install: //p') -lf95
+ifneq (,$(findstring g95,$(F77)))
+SHLIB += -L$(shell $(F77) --print-search-dirs | sed -n -e 's/install: //p') -lf95
else
-ifeq (gfortran,$(F77))
-SHLIB := $(shell gfortran -print-file-name=libgfortran.so)
-SHLIB += $(shell gfortran -print-file-name=libgfortranbegin.a)
+ifneq (,$(findstring gfortran,$(F77)))
+SHLIB := $(shell $(F77) -print-file-name=libgfortran.so)
+SHLIB += $(shell $(F77) -print-file-name=libgfortranbegin.a)
else
SHLIB = -lg2c
SYSLIBS += -lg2c