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authorAndreas Rottmann <a.rottmann@gmx.at>2010-05-27 18:23:15 +0200
committerAndreas Rottmann <a.rottmann@gmx.at>2010-05-27 18:23:15 +0200
commit3e0814cd9862b89c7a39672672937477bd87ddfb (patch)
tree159134a624e51509f40ed8823249f09a70d1dda3 /gnulib-m4/yield.m4
parent3bebb94360f1c2333feb8d504a9fa4f96984d8b7 (diff)
Imported Upstream version 0.9.3upstream/0.9.3
Diffstat (limited to 'gnulib-m4/yield.m4')
-rw-r--r--gnulib-m4/yield.m419
1 files changed, 19 insertions, 0 deletions
diff --git a/gnulib-m4/yield.m4 b/gnulib-m4/yield.m4
new file mode 100644
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+# yield.m4 serial 2
+dnl Copyright (C) 2005-2010 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_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])])
+ fi
+ AC_SUBST([YIELD_LIB])
+])