patch 8.1.1230: a lot of code is shared between vim.exe and gvim.exe
Problem: A lot of code is shared between vim.exe and gvim.exe.
Solution: Optionally put the shared code in vim.dll. (Ken Takata,
closes #4287)
diff --git a/src/os_win32.h b/src/os_win32.h
index 6ebe037..ea10182 100644
--- a/src/os_win32.h
+++ b/src/os_win32.h
@@ -78,7 +78,7 @@
#define HAVE_PUTENV /* at least Bcc 5.2 and MSC have it */
-#ifdef FEAT_GUI_MSWIN
+#if defined(FEAT_GUI_MSWIN) && !defined(VIMDLL)
# define NO_CONSOLE /* don't included console-only code */
#endif