Karin C's example

src/GF/Compile/Compile.hs

@@ -266,10 +266,11 @@ generateModuleCode opts path minfo@(name,info) = do
       code <- return $ MkGFC.prCanonModInfo minfo'
       return (gfcFile pname, code)
   if isCompilable info && emit && nomulti 
-     then ioeIO $ writeFile file out >> putStr ("  wrote file" +++ file)
-     else ioeIO $ putStrFlush $ "no need to save module" +++ prt name
+     then ioeIO (writeFile file out) >> ioeIOIf (putStr ("  wrote file" +++ file))
+     else ioeIOIf $ putStrFlush $ "no need to save module" +++ prt name
   return minfo'
  where 
+   ioeIOIf = if oElem beSilent opts then (const (return ())) else ioeIO
    emitsGFR m = isModRes m && isCompilable info
      ---- isModRes m || (isModCnc m && mstatus m == MSIncomplete)
    isCompilable mi = case mi of

src/Makefile

@@ -4,8 +4,7 @@ include config.mk
 GHMAKE=$(GHC) --make
 GHCXMAKE=ghcxmake
 GHCFLAGS=-package lang -package util -fglasgow-exts $(CPPFLAGS) $(LDFLAGS)
-GHCOPTFLAGS=$(GHCFLAGS)
-##GHCOPTFLAGS=-O $(GHCFLAGS)
+GHCOPTFLAGS=-O $(GHCFLAGS)
 GHCFUDFLAG=
 JAVAFLAGS=-target 1.4 -source 1.4
 
@@ -29,6 +28,8 @@ BIN_DIST_DIR=$(DIST_DIR)-$(host)
 
 all: unix
 
+temp: today noopt
+
 unix: today nofud-links opt
 
 windows: today nofud-links justwindows
@@ -41,6 +42,10 @@ opt:
 	$(GHMAKE) $(GHCOPTFLAGS) $(GHCINCLUDENOFUD) GF.hs -o gf
 	strip gf
 	mv gf ../bin/
+noopt:
+	$(GHMAKE) $(GHCFLAGS) $(GHCINCLUDENOFUD) GF.hs -o gf
+	strip gf
+	mv gf ../bin/
 
 ghc: nofud