[cmake-developers] [PATCH v3 2/7] Deprecate const char* SystemTools::GetEnv function

[Dāvis Mosāns]

On Windows this function returns environment variable encoded
in ANSI codepage which might not match internally used encoding.
---
 Source/kwsys/SystemTools.hxx.in | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Source/kwsys/SystemTools.hxx.in b/Source/kwsys/SystemTools.hxx.in
index c9b18b7..51fb206 100644
--- a/Source/kwsys/SystemTools.hxx.in
+++ b/Source/kwsys/SystemTools.hxx.in
@@ -26,6 +26,16 @@
 # include <unistd.h> // For access permissions for use with access()
 #endif
 
+#if __cplusplus >= 201402L
+# define DEPRECATED [[deprecated]]
+#elif defined(__GNUC__)
+# define DEPRECATED __attribute__ ((deprecated))
+#elif defined(_MSC_VER)
+# define DEPRECATED __declspec(deprecated)
+#else
+# define DEPRECATED
+#endif
+
 // Required for va_list
 #include <stdarg.h>
 // Required for FILE*
@@ -839,8 +849,8 @@ public:
   /**
    * Read an environment variable
    */
-  static const char* GetEnv(const char* key);
-  static const char* GetEnv(const std::string& key);
+  DEPRECATED static const char* GetEnv(const char* key);
+  DEPRECATED static const char* GetEnv(const std::string& key);
   static bool GetEnv(const char* key, std::string& result);
   static bool GetEnv(const std::string& key, std::string& result);
   static bool HasEnv(const char* key);
-- 
2.9.0