_POSIX4A_DRAFT10_SOURCE   51 gc/include/gc_config_macros.h #if defined(GC_DGUX386_THREADS) && !defined(_POSIX4A_DRAFT10_SOURCE)
_POSIX4A_DRAFT10_SOURCE   75 gc/pthread_support.c # if defined(GC_DGUX386_THREADS) && !defined(_POSIX4A_DRAFT10_SOURCE)