where
preloadFailed :: String -> [String] -> LibrarySpec -> IO ()
preloadFailed sys_errmsg paths spec
- = do maybePutStr dflags
- ("failed.\nDynamic linker error message was:\n "
- ++ sys_errmsg ++ "\nWhilst trying to load: "
- ++ showLS spec ++ "\nDirectories to search are:\n"
- ++ unlines (map (" "++) paths) )
- give_up
+ = do maybePutStr dflags "failed.\n"
+ ghcError $
+ CmdLineError (
+ "user specified .o/.so/.DLL could not be loaded ("
+ ++ sys_errmsg ++ ")\nWhilst trying to load: "
+ ++ showLS spec ++ "\nAdditional directories searched:"
+ ++ (if null paths then " (none)" else
+ (concat (intersperse "\n" (map (" "++) paths)))))
-- Not interested in the paths in the static case.
preload_static _paths name
= do b <- doesFileExist name
if not b then return False
else loadObj name >> return True
-
- give_up = ghcError $
- CmdLineError "user specified .o/.so/.DLL could not be loaded."
\end{code}
sprintf(buf, "%s.DLL", dll_name);
instance = LoadLibrary(buf);
if (instance == NULL) {
- sprintf(buf, "%s.DRV", dll_name); // KAA: allow loading of drivers (like winspool.drv)
- instance = LoadLibrary(buf);
- if (instance == NULL) {
- stgFree(buf);
-
- /* LoadLibrary failed; return a ptr to the error msg. */
- return "addDLL: unknown error";
- }
+ if (GetLastError() != ERROR_MOD_NOT_FOUND) goto error;
+ // KAA: allow loading of drivers (like winspool.drv)
+ sprintf(buf, "%s.DRV", dll_name);
+ instance = LoadLibrary(buf);
+ if (instance == NULL) {
+ if (GetLastError() != ERROR_MOD_NOT_FOUND) goto error;
+ // #1883: allow loading of unix-style libfoo.dll DLLs
+ sprintf(buf, "lib%s.DLL", dll_name);
+ instance = LoadLibrary(buf);
+ if (instance == NULL) {
+ goto error;
+ }
+ }
}
stgFree(buf);
# else
barf("addDLL: not implemented on this platform");
# endif
+
+error:
+ stgFree(buf);
+ sysErrorBelch(dll_name);
+
+ /* LoadLibrary failed; return a ptr to the error msg. */
+ return "addDLL: could not load DLL";
}
/* -----------------------------------------------------------------------------