From a70f678c6996c18424e29a86eb73fd7fd73069c5 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 8 Nov 2003 13:24:12 +0000
Subject: (jm_FUNC_NANOSLEEP): Do not set LIB_NANOSLEEP to the value,
 $ac_cv_search_nanosleep, if it's "none required".

---
 m4/nanosleep.m4 | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'm4')

diff --git a/m4/nanosleep.m4 b/m4/nanosleep.m4
index bfe8d5745..fd5fd92fc 100644
--- a/m4/nanosleep.m4
+++ b/m4/nanosleep.m4
@@ -11,8 +11,10 @@ AC_DEFUN([jm_FUNC_NANOSLEEP],
 
  # Solaris 2.5.1 needs -lposix4 to get the nanosleep function.
  # Solaris 7 prefers the library name -lrt to the obsolescent name -lposix4.
- AC_SEARCH_LIBS(nanosleep, [rt posix4], [LIB_NANOSLEEP=$ac_cv_search_nanosleep])
- AC_SUBST(LIB_NANOSLEEP)
+ AC_SEARCH_LIBS([nanosleep], [rt posix4],
+                [test "$ac_cv_search_nanosleep" = "none required" ||
+	         LIB_NANOSLEEP=$ac_cv_search_nanosleep])
+ AC_SUBST([LIB_NANOSLEEP])
 
  AC_CACHE_CHECK([whether nanosleep works],
   jm_cv_func_nanosleep_works,
-- 
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