win32: Refuse to be built by MinGW compiler unless platform MINGW32 is selected

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/platform.h b/include/platform.h
index f87add552..221fbcb07 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -7,6 +7,10 @@
 #ifndef BB_PLATFORM_H
 #define BB_PLATFORM_H 1
 
+#if defined(__MINGW32__) && !ENABLE_PLATFORM_MINGW32
+# error "You must select target platform MS Windows, or it won't build"
+#endif
+
 /* Assume all these functions exist by default.  Platforms where it is not
  * true will #undef them below.
  */