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-rw-r--r--otherlibs/threads/scheduler.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/otherlibs/threads/scheduler.c b/otherlibs/threads/scheduler.c
index c49dc3d9e..6b6ab91c9 100644
--- a/otherlibs/threads/scheduler.c
+++ b/otherlibs/threads/scheduler.c
@@ -10,6 +10,11 @@
#include "io.h"
#include "roots.h"
+#if defined(HAS_SELECT) && defined(HAS_SETITIMER) && defined(HAS_GETTIMEOFDAY)
+#else
+#include "Cannot compile libthreads, system calls missing"
+#endif
+
/* Configuration */
/* Initial size of stack when a thread is created (4 Ko) */