摘要： CMake Error at CMakeLists.txt:442 (ADD_PRECOMPILED_HEADER): Unknown CMake command "ADD_PRECOMPILED_HEADER".CMake Warning (dev) in CMakeLists.txt: No cmake_minimum_required command is present. A line of code such as cmake_minimum_required(VERSION 2.8) should be added at the top of the file. 阅读全文