# pthread-once.m4 serial 2 dnl Copyright (C) 2019-2024 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_PTHREAD_ONCE], [ AC_REQUIRE([gl_PTHREAD_H]) AC_REQUIRE([AC_CANONICAL_HOST]) if { case "$host_os" in mingw* | windows*) true;; *) false;; esac; } \ && test $gl_threads_api = windows; then dnl Choose function names that don't conflict with the mingw-w64 winpthreads dnl library. REPLACE_PTHREAD_ONCE=1 else if test $HAVE_PTHREAD_H = 0; then HAVE_PTHREAD_ONCE=0 fi fi ])