Linux compiler program can not find the end of the file solution __linux

Linux compiler to find a solution to the file

When Linux compiles a program, if you cannot find the header file, you will be prompted with the following error:
$ gcc Test.c-o test
Test.c:9:16:fatal error:xxx.h:no such file or directory
#include <xxx.h>

The following is an example of an Ubuntu system.
First find the path where Xxx.h is located:
$ sudo find/-name xxx.h
/usr/local/include/xxx/xxx.h
Then use the-I option to compile the directory:
$ gcc test.c-o test-i/usr/local/include/xxx

Solve the problem.