Check for `nanosleep'. If not found, look for `librt'. Abort if `nanosleep' is missing.

[collectd.git] / configure.in

diff --git a/configure.in b/configure.in
index f2573a3..7100049 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -270,6 +270,10 @@ AC_CHECK_FUNCS(strchr memcpy strstr strcmp strncmp strncpy strlen)
 AC_CHECK_FUNCS(strncasecmp strcasecmp)
 AC_CHECK_FUNCS(openlog syslog closelog)
 
+nanosleep_needs_rt="no"
+AC_CHECK_FUNCS(nanosleep, [], AC_CHECK_LIB(rt, nanosleep, [nanosleep_needs_rt="yes"], AC_MSG_ERROR(cannot find nanosleep)))
+AM_CONDITIONAL(BUILD_WITH_LIBRT, test "x$nanosleep_needs_rt" = "xyes")
+
 # For cpu module
 AC_CHECK_FUNCS(sysctlbyname, [have_sysctlbyname="yes"], [have_sysctlbyname="no"])