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-rw-r--r--tools/test/perform/pio_standalone.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/test/perform/pio_standalone.h b/tools/test/perform/pio_standalone.h
index 4b5c7b2..ef6d97b 100644
--- a/tools/test/perform/pio_standalone.h
+++ b/tools/test/perform/pio_standalone.h
@@ -454,9 +454,9 @@ void h5_dump_info_object(MPI_Info info);
/** From h5tools_utils.h **/
-extern int H5_opterr; /* getoption prints errors if this is on */
-extern int H5_optind; /* token pointer */
-extern const char *H5_optarg; /* flag argument (or value) */
+H5_DLLVAR int H5_opterr; /* getoption prints errors if this is on */
+H5_DLLVAR int H5_optind; /* token pointer */
+H5_DLLVAR const char *H5_optarg; /* flag argument (or value) */
enum h5_arg_level {
no_arg = 0, /* doesn't take an argument */