On 30. 3. 2020 8:15, FuLong Wang wrote: > > I have tried below command, but still didn't work. > > > ../configure CPPFLAGS="-I/usr/local/include/rpc" You can set only CFLAGS and not CPPFLAGS. But I suspect that you need to set LDFLAGS too so that even linker knows where to look for the library. Also, there is config.log which should display the exact error which will give us clue. Michal