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gcc编译时指定.h文件位置的方法 compile library head

使用gcc的 -I 后缀可以指定用户编程中使用的.h文件的目录,从而方便编译

例:
假设用户的test.c文件在当前目录
然而test.c文件中所包含的test.h文件处在不同目录(/home/usr/myh)
这种情况下我们可以既可以使用-I后缀在编译时指定所需.h文件的位置,具体如下:

gcc test.c -o test -I /home/usr/myh

如此,即生成了可执行文件test

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