Index: Source/config.h |
diff --git a/Source/config.h b/Source/config.h |
index 3eb6b284b0a04c43c20bc17ce74675f477ece2f3..4e95ae78130ff4e6633d1e0407b34e4dd3c31ba3 100644 |
--- a/Source/config.h |
+++ b/Source/config.h |
@@ -88,6 +88,11 @@ |
#define WTF_OS_POSIX 1 |
#endif |
+/* There is an assumption in the project that either OS(WIN) or OS(POSIX) is set. */ |
+#if !OS(WIN) && !OS(POSIX) |
+#error Either OS(WIN) or OS(POSIX) needs to be set. |
+#endif |
+ |
/* Operating environments */ |
#if OS(ANDROID) |