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-rw-r--r--libcrystfel/src/xds.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/libcrystfel/src/xds.h b/libcrystfel/src/xds.h
index dd0c3298..b42d8dbf 100644
--- a/libcrystfel/src/xds.h
+++ b/libcrystfel/src/xds.h
@@ -38,6 +38,9 @@
#include "cell.h"
#include "index.h"
+#ifdef __cplusplus
+extern "C" {
+#endif
extern int run_xds(struct image *image, IndexingPrivate *ipriv);
@@ -47,4 +50,8 @@ extern IndexingPrivate *xds_prepare(IndexingMethod *indm, UnitCell *cell,
extern void xds_cleanup(IndexingPrivate *pp);
+#ifdef __cplusplus
+}
+#endif
+
#endif /* XDS_H */