Extract all included files in cpp

Question

I have .cpp file (text).I want to get the list of all files names which are included (#include) to this file. What is the best way to do it?(Need to implement it in C++)

Answer 1

gcc -M source.cpp

如果您不关心系统包含，请将-M替换为-MM 。

Answer 2

假设你有一个“查找”或“grep”，这些内容如下：

g++ -E source.cpp | grep '\\# 1 '