Adding a new thread model to GCC

[Jonathan Wakely]

On 18 April 2016 at 08:39, lh_mouse wrote:
> I have added a thread model and added its corresponding header files. But it failed the linker.
>
> The file 'gcc/libgcc/config/i386/t-mingw-pthread' which contained two lines:
>   SHLIB_PTHREAD_CFLAG = -pthread
>   SHLIB_PTHREAD_LDFLAG = -Wl,-lpthread
>
> I copied the file to 'gcc/libgcc/config/i386/t-mingw-mcfgthread' and modified the two lines to:
>   SHLIB_PTHREAD_CFLAG = -lmcfgthread
>   SHLIB_PTHREAD_LDFLAG = -Wl,-lmcfgthread
>
> It didn't work and I got a number of undefined references. The command line that invoked the linker didn't include either option.
>
> How to solve this problem?

What are the linker errors? When do they happen?