simplify configure check for nanosleep()

diff --git a/configure.in b/configure.in
index fc8e88c6959ebb339b08a82e5eaaf04c5af8c4c7..8a3c3633047702d7003ca0161401cfd2a17df81d 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -611,7 +611,7 @@ asprintf \
 )
 
 dnl Some systems (like OpenSolaris) do not have nanosleep in libc
-AC_CACHE_CHECK([for nanosleep], ac_cv_func_nanosleep, [PHP_CHECK_FUNC_LIB(nanosleep, rt)])
+PHP_CHECK_FUNC(nanosleep, rt)
 
 dnl Check for getaddrinfo, should be a better way, but...
 dnl Also check for working getaddrinfo