${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib c.c libcommon.dylib -o libc.dylib -Wl,-upward_library,libu.dylib
${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib b.c libcommon.dylib -o libb.dylib libc.dylib
${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib c.c libcommon.dylib -o libc.dylib -Wl,-upward_library,libu.dylib
${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib b.c libcommon.dylib -o libb.dylib libc.dylib