-#define LINKER "cc -dy -Xc"
-#define C_OPTIMIZE_SWITCH "-O3 -Xc -dy"
-#define C_DEBUG_SWITCH "-g -Xc -dy"
+#define LINKER "cc -belf -dy -Xc"
+#define C_OPTIMIZE_SWITCH "-O3 -Xc"
+#define C_DEBUG_SWITCH "-g -Xc"
+#define C_SWITCH_SYSTEM "-belf -D_NO_STATIC -D_SCO_ELF"