diff --git a/Make.hs b/Make.hs
index 1118fb39..e97b7f9d 100644
--- a/Make.hs
+++ b/Make.hs
@@ -125,20 +125,20 @@ getRGLBuildDir info mode = infoBuildDir info </> getRGLBuildSubDir mode
 getRGLBuildSubDir :: Mode -> String
 getRGLBuildSubDir mode =
   case mode of
-    AllTenses -> "alltenses"
     Present   -> "present"
+    AllTenses -> "alltenses"
 
 -------------------------------------------------------------------------------
 -- Build modes
 
-data Mode = AllTenses | Present
+data Mode = Present | AllTenses
   deriving (Show,Eq)
 
 all_modes :: [String]
-all_modes = ["alltenses","present"]
+all_modes = ["present","alltenses"]
 
 default_modes :: [Mode]
-default_modes = [AllTenses,Present]
+default_modes = [Present,AllTenses]
 
 -- | An RGL build command
 data RGLCommand = RGLCommand
@@ -156,8 +156,9 @@ rglCommands =
       createDirectoryIfMissing True prelude_dst_dir
       files <- getDirectoryContents prelude_src_dir
       let modules = [prelude_src_dir </> file | file <- files, file /= "." && file /= ".."]
-      putStrLn $ "Building [Prelude] " ++ unwords (map dropSourceDir modules)
-      run_gfc bi ([if infoVerbose bi then "--verbose" else "--quiet", "--gfo-dir="++prelude_dst_dir] ++ modules)
+      putStrLn $ "Building [Prelude]"
+      when (infoVerbose bi) $ putStrLn (unwords (map dropSourceDir modules))
+      run_gfc bi (["--gfo-dir="++prelude_dst_dir] ++ modules)
 
   , RGLCommand "all"     True  $ gfcp [l,s,c,t,sc]
   , RGLCommand "lang"    False $ gfcp [l,s]
@@ -174,7 +175,7 @@ rglCommands =
           Just mfull -> flip mapM_ modes $ \mode -> do
             let dst = getRGLBuildDir bi mode
             putStrLn $ "Building [" ++ show mode ++ "] " ++ dropSourceDir mfull
-            run_gfc bi [if infoVerbose bi then "--verbose" else "--quiet", "--gfo-dir="++dst, mfull]
+            run_gfc bi ["--gfo-dir="++dst, mfull]
 
   ]
   where
@@ -184,8 +185,12 @@ rglCommands =
     gfcp' :: Info -> Mode -> [String] -> [Mode -> [String] -> (LangInfo -> FilePath,[LangInfo] -> [LangInfo])] -> IO ()
     gfcp' bi mode args cs = do
       langsAll <- loadLangs
+      -- f :: LangInfo -> FilePath
+      -- as :: [LangInfo] -> [LangInfo]
+      -- ss :: [String]
+      -- fss :: [[FilePath]]
       let (ss,fss) = unzip [ (summary f langs,map f langs) | c<-cs, let (f,as) = c mode args, let langs = as langsAll]
-      gfcn bi mode (unwords ss) (concat fss)
+      gfcn bi mode (unwords (filter (not.null) ss)) (concat fss)
 
     summary :: (LangInfo -> FilePath) -> [LangInfo] -> String
     summary f langs = unwords (map (dropSourceDir . f) langs)
@@ -280,21 +285,24 @@ getOptMode args =
 
 -- | List of languages overriding the default definitions
 getOptLangs :: [LangInfo] -> [LangInfo] -> [String] -> [LangInfo]
-getOptLangs langs defaultLangs args =
-    case [ls | arg <- args,
-               let (f,ls) = splitAt (length lang_flag) arg,
-               f==lang_flag] of
-      ('+':ls):_ -> foldr addLang defaultLangs (seps ls)
-      ('-':ls):_ -> foldr removeLang defaultLangs (seps ls)
-      ls:_ -> findLangs langs (seps ls)
-      _    -> defaultLangs
+getOptLangs allLangs defaultLangs args =
+  let x = [ ls
+          | arg <- args
+          , let (f,ls) = splitAt (length lang_flag) arg
+          , f == lang_flag
+          ]
+  in case x of
+    -- ('+':ls):_ -> foldr addLang defaultLangs (seps ls)
+    ('-':ls):_ -> foldr removeLang defaultLangs (seps ls)
+    ls:_ -> findLangs defaultLangs (seps ls)
+    _    -> defaultLangs
   where
     seps = words . map (\c -> if c==',' then ' ' else c)
     findLangs langs ls = [lang | lang <- langs, langCode lang `elem` ls]
     removeLang l ls = [lang | lang <- ls, langCode lang /= l]
-    addLang l ls = if null (findLangs ls [l])
-                   then findLangs langs [l]++ls
-                   else ls
+    -- addLang l ls = if null (findLangs ls [l])
+    --                then findLangs allLangs [l]++ls
+    --                else ls
 
 -- | Get module names from arguments
 getOptModules :: [String] -> [FilePath]
@@ -378,26 +386,31 @@ separateBy chr = unfoldr sep where
 -------------------------------------------------------------------------------
 -- Executing GF
 
-gfc :: Info -> [Mode] -> String -> [String] -> IO ()
+gfc :: Info -> [Mode] -> String -> [FilePath] -> IO ()
 gfc bi modes summary files =
   parallel_ [gfcn bi mode summary files | mode<-modes]
 
-gfcn :: Info -> Mode -> String -> [String] -> IO ()
-gfcn _ _ _ [] = die $ "No files specified.\nMake sure the language is in " ++ configFile ++ " and that it supports the modes/modules specified."
+gfcn :: Info -> Mode -> String -> [FilePath] -> IO ()
 gfcn bi mode summary files = do
   let dir = getRGLBuildDir bi mode
       preproc = case mode of
-                  AllTenses -> ""
                   Present   -> "--preproc=mkPresent"
+                  AllTenses -> ""
   createDirectoryIfMissing True dir
-  putStrLn $ "Building [" ++ show mode ++ "] " ++ summary
-  run_gfc bi ([if infoVerbose bi then "--verbose" else "--quiet", "--no-pmcfg", preproc, "--gfo-dir="++dir] ++ files)
+  if length files > 0
+  then do
+    putStrLn $ "Building [" ++ show mode ++ "]"
+    when (infoVerbose bi) (putStrLn summary)
+    run_gfc bi (["--no-pmcfg", preproc, "--gfo-dir="++dir] ++ files)
+  else
+    putStrLn $ "Skipping [" ++ show mode ++ "] (nothing to build)"
 
 -- | Runs the gf executable in compile mode with the given arguments
 run_gfc :: Info -> [String] -> IO ()
 run_gfc bi args = do
   let
-    args' = ["--batch","--gf-lib-path="] ++ filter (not . null) args
+    dir = infoBuildDir bi
+    args' = ["--batch", "--quiet", "--gf-lib-path="++dir] ++ filter (not . null) args
     gf = infoGFPath bi
   execute gf args'
 
diff --git a/Make.sh b/Make.sh
index 4aa66b7e..30a8bfc8 100755
--- a/Make.sh
+++ b/Make.sh
@@ -3,6 +3,7 @@
 # ---
 # Non-Haskell RGL build script for Unix-based machines
 # ---
+set -e
 
 # Get languages from config
 langs=$(tail -n +2 languages.csv | awk -F ','  '{ if ($6 != "n") { print $1 } }')
@@ -54,11 +55,6 @@ src="src"
 dist="dist"
 gfc="${gf} --batch --quiet"
 
-# Redirect stderr if not verbose
-if [ $verbose = false ]; then
-  exec 2> /dev/null
-fi
-
 # Make directories if not present
 mkdir -p "${dist}/prelude"
 mkdir -p "${dist}/present"
@@ -78,6 +74,7 @@ for lang in $langs; do
     if [ $mod == "Try" ] && [[ "$langs_try" != *"$lang"* ]]; then continue; fi
     if [ $mod == "Symbolic" ] && [[ "$langs_symbolic" != *"$lang"* ]]; then continue; fi
     for file in "${src}"/*/"${mod}${lang}".gf; do
+      if [ ! -f "$file" ]; then continue; fi
       if [[ "$langs_present" = *"$lang"* ]]; then modules_present="${modules_present} ${file}"; fi
       modules_alltenses="${modules_alltenses} ${file}"
     done
diff --git a/README.md b/README.md
index 960a0847..acca5ba7 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ or an explicit module name (e.g. `ExtraEng.gf`. You don't need to specify to lan
 (default is both).
 - `LANG` is a 3-letter language code, e.g. `Eng`, `Swe` etc.
 - You can _override_ the default language list with `--langs=...`
-- You can _add_ languages to the default list with `--langs=+...`
+- ~~You can _add_ languages to the default list with `--langs=+...`~~
 - You can _remove_ languages from the default list with `langs=-...`
 - The path to GF installed on your system can be specified via the `--gf` flag (default is that the `gf` executable is in the global system path).
 - The `--dest` flag can be used to manually specify where the compiled RGL modules should be copied/installed. This is the same place as `GF_LIB_PATH`.
@@ -103,7 +103,7 @@ Simply run the script to build the entire RGL and install in the default locatio
 You can pass the following flags:
 - `--dest=...` to manually specify the install location
 - `--gf=...` to specify the path to the `gf` executable, if not available on the system path
-- `--verbose` or `-v` to show all GF warnings and errors
+- `--verbose` or `-v` to show a list of files being built (errors will always be shown)
 
 ## Windows batch file: `Make.bat`