# HG changeset patch
# User Jim Meyering <jim@meyering.net>
# Date 946929489 0
# Node ID e1a744db4db5995519165b822db94de1c12d41b6
# Parent  13ca4ae7e0c2cec9689ed4861f7a5e5bddca8a44
(jm_FUNC_NANOSLEEP): Search for nanosleep in -lrt
(for Solaris 7) and in -lposix4 (for Solaris 2.5.1).

diff --git a/m4/nanosleep.m4 b/m4/nanosleep.m4
--- a/m4/nanosleep.m4
+++ b/m4/nanosleep.m4
@@ -1,11 +1,15 @@
-#serial 1
+#serial 2
 
 dnl From Jim Meyering.
-dnl FIXME
+dnl Check for the nanosleep function
 dnl
 
 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])
+
  AC_CACHE_CHECK([whether nanosleep works],
   jm_cv_func_nanosleep_works,
   [AC_TRY_RUN([