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-rw-r--r--libcrystfel/src/utils.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libcrystfel/src/utils.c b/libcrystfel/src/utils.c
index 4c85bf9d..0972c710 100644
--- a/libcrystfel/src/utils.c
+++ b/libcrystfel/src/utils.c
@@ -26,6 +26,10 @@
*
*/
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <libgen.h>
#include <math.h>
#include <string.h>