1 # pthread-once.m4 serial 1
2 dnl Copyright (C) 2019-2020 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
7 AC_DEFUN([gl_PTHREAD_ONCE],
9 AC_REQUIRE([gl_PTHREAD_H])
10 AC_REQUIRE([AC_CANONICAL_HOST])
12 if { case "$host_os" in mingw*) true;; *) false;; esac; } \
13 && test $gl_threads_api = windows; then
14 dnl Choose function names that don't conflict with the mingw-w64 winpthreads
16 REPLACE_PTHREAD_ONCE=1
18 if test $HAVE_PTHREAD_H = 0; then