From 26b8a5b3feab9d556c92f495a6775acf8cf9f3ec Mon Sep 17 00:00:00 2001
From: simonmar <unknown>
Date: Fri, 12 Jan 2001 11:04:45 +0000
Subject: [PATCH] [project @ 2001-01-12 11:04:45 by simonmar] - Incorporate
 static STG flags (just -flet-no-escape at the mo) into  
 hsc_minusO_flags and hsc_minusNoO_flags.

- Fix -v to be equivalent to -v3 (it was wrongly -v2 before).

- Make -v3 output hsc's list of static flags.
---
 ghc/compiler/main/DriverFlags.hs |   19 +++++++------------
 ghc/compiler/main/DriverState.hs |   14 +++++++++-----
 ghc/compiler/main/Main.hs        |    5 ++++-
 3 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/ghc/compiler/main/DriverFlags.hs b/ghc/compiler/main/DriverFlags.hs
index 302a180..128a3a8 100644
--- a/ghc/compiler/main/DriverFlags.hs
+++ b/ghc/compiler/main/DriverFlags.hs
@@ -1,7 +1,7 @@
 {-# OPTIONS -#include "hschooks.h" #-}
 
 -----------------------------------------------------------------------------
--- $Id: DriverFlags.hs,v 1.38 2001/01/08 12:31:34 rrt Exp $
+-- $Id: DriverFlags.hs,v 1.39 2001/01/12 11:04:45 simonmar Exp $
 --
 -- Driver flags
 --
@@ -18,7 +18,6 @@ import DriverState
 import DriverUtil
 import TmpFiles 	( v_TmpDir )
 import CmdLineOpts
-import TmpFiles	 	( newTempName )
 import Config
 import Util
 import Panic
@@ -26,7 +25,6 @@ import Panic
 import Exception
 import IOExts
 
-import Directory 	( removeFile )
 import IO
 import Maybe
 import Monad
@@ -349,7 +347,7 @@ setVerbosityAtLeast n =
 			  then dfs{ verbosity = n }
 			  else dfs)
 
-setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 2 })
+setVerbosity "" = updDynFlags (\dfs -> dfs{ verbosity = 3 })
 setVerbosity n 
   | all isDigit n = updDynFlags (\dfs -> dfs{ verbosity = read n })
   | otherwise     = throwDyn (OtherError "can't parse verbosity flag (-v<n>)")
@@ -506,13 +504,10 @@ buildStaticHscOpts = do
 	    _ -> error "unknown opt level"
 	    -- ToDo: -Ofile
  
-  let stg_opts = [ "-flet-no-escape" ]
-	-- let-no-escape always on for now
-
 	-- take into account -fno-* flags by removing the equivalent -f*
 	-- flag from our list.
   anti_flags <- getStaticOpts v_Anti_opt_C
-  let basic_opts = opt_C_ ++ optimisation_opts ++ stg_opts
+  let basic_opts = opt_C_ ++ optimisation_opts
       filtered_opts = filter (`notElem` anti_flags) basic_opts
 
   static <- (do s <- readIORef v_Static; if s then return "-static" 
@@ -528,9 +523,9 @@ buildStaticHscOpts = do
 runSomething phase_name cmd
  = do
    verb <- dynFlag verbosity
-   when (verb >= 2) $ putStrLn ("*** " ++ phase_name)
-   when (verb >= 3) $ putStrLn cmd
-   hFlush stdout
+   when (verb >= 2) $ hPutStrLn stderr ("*** " ++ phase_name)
+   when (verb >= 3) $ hPutStrLn stderr cmd
+   hFlush stderr
 
    -- test for -n flag
    n <- readIORef v_Dry_run
@@ -541,5 +536,5 @@ runSomething phase_name cmd
 
    if exit_code /= ExitSuccess
 	then throwDyn (PhaseFailed phase_name exit_code)
-	else do when (verb >= 3) (putStr "\n")
+	else do when (verb >= 3) (hPutStr stderr "\n")
 	        return ()
diff --git a/ghc/compiler/main/DriverState.hs b/ghc/compiler/main/DriverState.hs
index 6071c10..70a80b8 100644
--- a/ghc/compiler/main/DriverState.hs
+++ b/ghc/compiler/main/DriverState.hs
@@ -1,5 +1,5 @@
 -----------------------------------------------------------------------------
--- $Id: DriverState.hs,v 1.22 2001/01/09 17:16:35 rrt Exp $
+-- $Id: DriverState.hs,v 1.23 2001/01/12 11:04:45 simonmar Exp $
 --
 -- Settings for the driver
 --
@@ -244,14 +244,15 @@ GLOBAL_VAR(v_Strictness,  		True,  Bool)
 GLOBAL_VAR(v_CPR,         		True,  Bool)
 GLOBAL_VAR(v_CSE,         		True,  Bool)
 
-hsc_minusO2_flags = hsc_minusO_flags	-- for now
-
+-- these are the static flags you get without -O.
 hsc_minusNoO_flags =
        [ 
  	"-fignore-interface-pragmas",
-	"-fomit-interface-pragmas"
+	"-fomit-interface-pragmas",
+	"-flet-no-escape"
 	]
 
+-- these are the static flags you get when -O is on.
 hsc_minusO_flags =
   [ 
 	"-ffoldr-build-on",
@@ -259,9 +260,12 @@ hsc_minusO_flags =
 	"-fdo-lambda-eta-expansion",
 	"-fcase-of-case",
  	"-fcase-merge",
-	"-flet-to-case"
+	"-flet-to-case",
+	"-flet-no-escape"
    ]
 
+hsc_minusO2_flags = hsc_minusO_flags	-- for now
+
 getStaticOptimisationFlags 0 = hsc_minusNoO_flags
 getStaticOptimisationFlags 1 = hsc_minusO_flags
 getStaticOptimisationFlags n = hsc_minusO2_flags
diff --git a/ghc/compiler/main/Main.hs b/ghc/compiler/main/Main.hs
index 9487658..a3ad516 100644
--- a/ghc/compiler/main/Main.hs
+++ b/ghc/compiler/main/Main.hs
@@ -1,6 +1,6 @@
 {-# OPTIONS -fno-warn-incomplete-patterns #-}
 -----------------------------------------------------------------------------
--- $Id: Main.hs,v 1.45 2001/01/09 17:16:36 rrt Exp $
+-- $Id: Main.hs,v 1.46 2001/01/12 11:04:45 simonmar Exp $
 --
 -- GHC Driver program
 --
@@ -242,6 +242,9 @@ main =
    when (verb >= 2) 
 	(hPutStrLn stderr ("Using package config file: " ++ conf_file))
 
+   when (verb >= 3) 
+	(hPutStrLn stderr ("Hsc static flags: " ++ unwords static_opts))
+
 	-- initialise the finder
    pkg_avails <- getPackageInfo
    initFinder pkg_avails
-- 
1.7.10.4