如果 GCC 只找到一个静态库而不是动态库，它是否诉诸静态链接找到的文件？

Question

Please consider the following command:

gcc myfile.c -o myapp.exe -Lmydir -lmylib

mydir inclues the following file:

`libmylib.a`

I know that by default, gcc wants to do dyanmic linking. However, as you can see it does not find a libmylib.so dynamic library, only a libmylib.a static one.

Does that mean that gcc will statically link libmylib.a into the result executable?

Answer 1

This behavior is up to the linker, not GCC. Standard linker behavior is to try a dynamic library then a static one in each path component of the link search path. For example, if the first directory searched has only a static library by the name, the second directory will not be searched at all, even if it has a dynamic one. As such, for normal user expectations to work correctly, corresponding dynamic and static versions of the same library need to be placed in the identical location.