2000-01-04 Mumit Khan <khan@xraylith.wisc.edu> * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime. (__gthread_key_create): Likewise. (__gthread_key_dtor): Likewise. (__gthread_once): Fix logic. (__gthread_key_delete): Cast away constness. * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option. * invoke.texi: Document. * i386/mingw32.h (CPP_SPEC): Use. (LIBGCC_SPEC): Likewise. * i386/crtdll.h (LIBGCC_SPEC): Likewise. From-SVN: r31215
