1 files changed, 2 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 6e9e13d761..deaa939817 100644
--- a/configure.ac
+++ b/configure.ac
@@ -367,6 +367,7 @@ AC_CHECK_FUNCS(
         sysconf \
 	sysctl \
         uname \
+        usleep \
         vasprintf \
 	_vscprintf
 )
@@ -898,6 +899,7 @@ AC_CHECK_HEADERS(
         sys/param.h \
         sys/prctl.h \
         sys/resource.h \
+        sys/select.h \
         sys/socket.h \
 	sys/sysctl.h \
         sys/syslimits.h \