src: add check for already defined macro NOMINMAX

In order to avoid Visual C++ warning C4005 about macro redefinition when node.h is included in another project. PR-URL: #986 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
nodejs · Feb 27, 2015 · 4d1fa2c · 4d1fa2c
1 parent ae7a233
commit 4d1fa2c
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/node.h b/src/node.h
@@ -25,7 +25,9 @@
 # define _WIN32_WINNT   0x0501
 #endif
 
-#define NOMINMAX
+#ifndef NOMINMAX
+# define NOMINMAX
+#endif
 
 #endif