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-rw-r--r--gnulib-m4/yield.m415
1 files changed, 7 insertions, 8 deletions
diff --git a/gnulib-m4/yield.m4 b/gnulib-m4/yield.m4
index 2a7c907..58bdb51 100644
--- a/gnulib-m4/yield.m4
+++ b/gnulib-m4/yield.m4
@@ -1,19 +1,18 @@
-# yield.m4 serial 2
-dnl Copyright (C) 2005-2018 Free Software Foundation, Inc.
+# yield.m4 serial 4
+dnl Copyright (C) 2005-2022 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_YIELD],
[
+ AC_REQUIRE([gl_PTHREADLIB])
AC_REQUIRE([gl_THREADLIB])
- dnl On some systems, sched_yield is in librt, rather than in libpthread.
- YIELD_LIB=
+
if test $gl_threads_api = posix; then
- dnl Solaris has sched_yield in librt, not in libpthread or libc.
- AC_CHECK_LIB([rt], [sched_yield], [YIELD_LIB=-lrt],
- [dnl Solaris 2.5.1, 2.6 has sched_yield in libposix4, not librt.
- AC_CHECK_LIB([posix4], [sched_yield], [YIELD_LIB=-lposix4])])
+ YIELD_LIB="$LIB_SCHED_YIELD"
+ else
+ YIELD_LIB=
fi
AC_SUBST([YIELD_LIB])
])