Guard use of <cstddef> for Microsoft compilers (GH #781)

1 files changed, 8 insertions, 1 deletions

diff --git a/stdcpp.h b/stdcpp.h
index a13fd25b..41dda240 100644
--- a/stdcpp.h
+++ b/stdcpp.h
@@ -60,11 +60,18 @@ namespace std {
 #endif

 

 #include <cstdlib>

-#include <cstddef>

 #include <cstring>

 #include <climits>

 #include <cmath>

 

+// It is 2019 and VS2017/Win10 still can't compile a

+// program that includes <cstddef> without making users

+// do something special. "Epic fail" comes to mind.

+// Also see https://github.com/weidai11/cryptopp/issues/781

+#ifndef _MSC_VER

+# include <cstddef>

+#endif

+

 // uintptr_t and ptrdiff_t

 #if defined(__SUNPRO_CC)

 # if (__SUNPRO_CC >= 0x5100)