+# Search for clock_gettime
+AC_SEARCH_LIBS([clock_gettime], [rt], [
+ AC_DEFINE([CONFIG_RCU_HAVE_CLOCK_GETTIME], [1])
+], [])
+
+# Check for pthread
+AC_CHECK_LIB([pthread], [pthread_create],
+ [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, false)],
+ [AC_CHECK_LIB([c], [pthread_create],
+ [AM_CONDITIONAL(LIBC_INCLUDES_PTHREAD, true)],
+ [AC_MSG_ERROR([Cannot find libpthread. Use [LDFLAGS]=-Ldir to specify its location.])]
+ )]
+)
+