libwine: Export wine_get_build_dir.

include/wine/library.h

@@ -29,6 +29,7 @@
 
 /* configuration */
 
+extern const char *wine_get_build_dir(void);
 extern const char *wine_get_config_dir(void);
 extern const char *wine_get_data_dir(void);
 extern const char *wine_get_server_dir(void);

libs/wine/config.c

@@ -356,6 +356,12 @@ const char *wine_get_data_dir(void)
     return datadir;
 }
 
+/* retrieve the wine build dir (if we are running from there) */
+const char *wine_get_build_dir(void)
+{
+    return build_dir;
+}
+
 /* return the full name of the server directory (the one containing the socket) */
 const char *wine_get_server_dir(void)
 {

libs/wine/wine.def

@@ -25,6 +25,7 @@ EXPORTS
     wine_dlopen
     wine_dlsym
     wine_exec_wine_binary
+    wine_get_build_dir
     wine_get_config_dir
     wine_get_cs
     wine_get_data_dir

libs/wine/wine.map

@@ -25,6 +25,7 @@ WINE_1.0
     wine_dlopen;
     wine_dlsym;
     wine_exec_wine_binary;
+    wine_get_build_dir;
     wine_get_config_dir;
     wine_get_cs;
     wine_get_data_dir;