* configure.in: Add rtems as a supported thread model. * gthr-rtems.h: Add missing entry point __gthread_active_p. * configure: Rebuilt. From-SVN: r44324
From-SVN: r42615
* config.gcc (a29k*-*-rtems*, arm*-*-rtems*, c4x-*-rtems*, h8300-*-rtems*, hppa1.1-*-rtems, *mips*-*-rtems*): New targets. * config.gcc (*-rtems*): Add support for gthr-rtems.h. * gthr-rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h, config/mips/rtems.h: New files. From-SVN: r38094