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-rw-r--r--hl/test/test_dset_opt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/hl/test/test_dset_opt.c b/hl/test/test_dset_opt.c
index 0a0674b..79f7eda 100644
--- a/hl/test/test_dset_opt.c
+++ b/hl/test/test_dset_opt.c
@@ -18,9 +18,15 @@
#include "h5hltest.h"
#include "H5srcdir.h"
#include "H5DOpublic.h"
-#include <zlib.h>
#include <math.h>
+#if defined(H5_HAVE_ZLIB_H) && !defined(H5_ZLIB_HEADER)
+# define H5_ZLIB_HEADER "zlib.h"
+#endif
+#if defined(H5_ZLIB_HEADER)
+# include H5_ZLIB_HEADER /* "zlib.h" */
+#endif
+
#define FILE_NAME "test_dectris.h5"
#define DATASETNAME1 "direct_write"