How does --with-sysroot work?

[H. J. Lu]

I tried --with-sysroot. But it doesn't work right for me if I run
gcc/ld in the build directory. The problem is both gcc/ld will change
sysroot to $(target_alias) under the build directory. But it is not
the sysroot at all. I will see what I can do.


H.J.