--- a/makefile.cfg
+++ b/makefile.cfg
@@ -168,7 +168,7 @@ libjpeg.a: @A2K_DEPS@ $(LIBOBJECTS)
 
 # with libtool:
 libjpeg.la: @A2K_DEPS@ $(LIBOBJECTS)
-	$(LIBTOOL) --mode=link $(CC) -o libjpeg.la $(LIBOBJECTS) \
+	$(LIBTOOL) --mode=link "$(CC)" -o libjpeg.la $(LIBOBJECTS) \
 		-rpath $(libdir) -version-info $(JPEG_LIB_VERSION)
 
 # sample programs: