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-rw-r--r--soltools/cpp/_include.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/soltools/cpp/_include.c b/soltools/cpp/_include.c
index 7a9044b91194..2d4b919f21e0 100644
--- a/soltools/cpp/_include.c
+++ b/soltools/cpp/_include.c
@@ -33,7 +33,9 @@
#if defined(__IBMC__) || defined(__EMX__) || defined(_MSC_VER)
# include <fcntl.h>
-# define PATH_MAX _MAX_PATH
+# ifndef PATH_MAX
+# define PATH_MAX _MAX_PATH
+# endif
#endif
#include <limits.h>