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-rw-r--r--testpar/t_posix_compliant.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/testpar/t_posix_compliant.c b/testpar/t_posix_compliant.c
index 960f4c8..1bc0053 100644
--- a/testpar/t_posix_compliant.c
+++ b/testpar/t_posix_compliant.c
@@ -40,7 +40,9 @@
* mpiexec -np 3 ./t_posix_compliant
*/
+#ifdef H5_HAVE_UNISTD_H
#include <unistd.h>
+#endif
#include <stdio.h>
#include <string.h>
#include <stdlib.h>