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-rw-r--r--libcrystfel/src/thread-pool.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/libcrystfel/src/thread-pool.c b/libcrystfel/src/thread-pool.c
index 6824947c..7ce55d85 100644
--- a/libcrystfel/src/thread-pool.c
+++ b/libcrystfel/src/thread-pool.c
@@ -30,6 +30,10 @@
#include <config.h>
#endif
+#ifdef HAVE_CPU_AFFINITY
+#define _GNU_SOURCE
+#include <sched.h>
+#endif
#include <stdarg.h>
#include <stdlib.h>
@@ -39,11 +43,6 @@
#include <pthread.h>
#include <assert.h>
-#ifdef HAVE_CPU_AFFINITY
-#include <sched.h>
-#endif
-
-
#include "utils.h"