-----------------------------------------------------------------------------
\begin{code}
-{-# OPTIONS -w #-}
--- The above warning supression flag is a temporary kludge.
--- While working on this module you are encouraged to remove it and fix
--- any warnings in the module. See
--- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
--- for details
+{-# OPTIONS -fno-cse #-}
+-- -fno-cse is needed for GLOBAL_VAR's to behave properly
module SysTools (
-- Initialisation
import System.Environment
import System.FilePath
import System.IO
-import SYSTEM_IO_ERROR as IO
+import System.IO.Error as IO
import System.Directory
import Data.Char
import Data.Maybe
#endif
import System.Process ( runInteractiveProcess, getProcessExitCode )
-import Control.Concurrent( forkIO, newChan, readChan, writeChan )
+import Control.Concurrent
import FastString
import SrcLoc ( SrcLoc, mkSrcLoc, noSrcSpan, mkSrcSpan )
\end{code}
-- (c) the GHC usage message
-initSysTools mbMinusB dflags
+initSysTools mbMinusB dflags0
= do { (am_installed, top_dir) <- findTopDir mbMinusB
-- top_dir
-- for "installed" this is the root of GHC's support files
-- format, '/' separated
; let installed, installed_bin :: FilePath -> FilePath
- installed_bin pgm = top_dir </> pgm
- installed file = top_dir </> file
- inplace dir pgm = top_dir </> dir </> pgm
+ installed_bin pgm = top_dir </> pgm
+ installed file = top_dir </> file
+ inplace dir pgm = let real_top_dir = foldr (</>) ""
+ $ reverse
+ $ drop 4
+ $ reverse
+ $ splitDirectories top_dir
+ in real_top_dir </> dir </> pgm
; let pkgconfig_path
| am_installed = installed "package.conf"
| am_installed = installed_bin "bin/windres"
| otherwise = "windres"
- ; let dflags0 = defaultDynFlags
-
; tmpdir <- getTemporaryDirectory
; let dflags1 = setTmpDir tmpdir dflags0
throwDyn (InstallationError
("Can't find package.conf as " ++ pkgconfig_path))
-#if defined(mingw32_HOST_OS)
- -- WINDOWS-SPECIFIC STUFF
-- On Windows, gcc and friends are distributed with GHC,
-- so when "installed" we look in TopDir/bin
- -- When "in-place" we look wherever the build-time configure
- -- script found them
- -- When "install" we tell gcc where its specs file + exes are (-B)
- -- and also some places to pick up include files. We need
- -- to be careful to put all necessary exes in the -B place
- -- (as, ld, cc1, etc) since if they don't get found there, gcc
- -- then tries to run unadorned "as", "ld", etc, and will
- -- pick up whatever happens to be lying around in the path,
- -- possibly including those from a cygwin install on the target,
- -- which is exactly what we're trying to avoid.
- ; let gcc_b_arg = Option ("-B" ++ installed "gcc-lib/")
+ -- When "in-place", or when not on Windows, we look wherever
+ -- the build-time configure script found them
+ ; let
+ -- The trailing "/" is absolutely essential; gcc seems
+ -- to construct file names simply by concatenating to
+ -- this -B path with no extra slash We use "/" rather
+ -- than "\\" because otherwise "\\\" is mangled
+ -- later on; although gcc_args are in NATIVE format,
+ -- gcc can cope
+ -- (see comments with declarations of global variables)
+ gcc_b_arg = Option ("-B" ++ installed "gcc-lib/")
(gcc_prog,gcc_args)
- | am_installed = (installed_bin "gcc", [gcc_b_arg])
- | otherwise = (cGCC, [])
- -- The trailing "/" is absolutely essential; gcc seems
- -- to construct file names simply by concatenating to
- -- this -B path with no extra slash We use "/" rather
- -- than "\\" because otherwise "\\\" is mangled
- -- later on; although gcc_args are in NATIVE format,
- -- gcc can cope
- -- (see comments with declarations of global variables)
-
- perl_path | am_installed = installed_bin cGHC_PERL
- | otherwise = cGHC_PERL
-
- -- 'touch' is a GHC util for Windows, and similarly unlit, mangle
- ; let touch_path | am_installed = installed_bin cGHC_TOUCHY_PGM
- | otherwise = inplace cGHC_TOUCHY_DIR_REL cGHC_TOUCHY_PGM
-
- -- On Win32 we don't want to rely on #!/bin/perl, so we prepend
- -- a call to Perl to get the invocation of split and mangle
- ; let (split_prog, split_args) = (perl_path, [Option split_script])
- (mangle_prog, mangle_args) = (perl_path, [Option mangle_script])
-
- ; let (mkdll_prog, mkdll_args)
+ | isWindowsHost && am_installed
+ -- We tell gcc where its specs file + exes are (-B)
+ -- and also some places to pick up include files. We need
+ -- to be careful to put all necessary exes in the -B place
+ -- (as, ld, cc1, etc) since if they don't get found there,
+ -- gcc then tries to run unadorned "as", "ld", etc, and
+ -- will pick up whatever happens to be lying around in
+ -- the path, possibly including those from a cygwin
+ -- install on the target, which is exactly what we're
+ -- trying to avoid.
+ = (installed_bin "gcc", [gcc_b_arg])
+ | otherwise = (cGCC, [])
+ perl_path
+ | isWindowsHost && am_installed = installed_bin cGHC_PERL
+ | otherwise = cGHC_PERL
+ -- 'touch' is a GHC util for Windows
+ touch_path
+ | isWindowsHost
+ = if am_installed
+ then installed_bin cGHC_TOUCHY_PGM
+ else inplace cGHC_TOUCHY_DIR_REL cGHC_TOUCHY_PGM
+ | otherwise = "touch"
+ -- On Win32 we don't want to rely on #!/bin/perl, so we prepend
+ -- a call to Perl to get the invocation of split and mangle.
+ -- On Unix, scripts are invoked using the '#!' method. Binary
+ -- installations of GHC on Unix place the correct line on the
+ -- front of the script at installation time, so we don't want
+ -- to wire-in our knowledge of $(PERL) on the host system here.
+ (split_prog, split_args)
+ | isWindowsHost = (perl_path, [Option split_script])
+ | otherwise = (split_script, [])
+ (mangle_prog, mangle_args)
+ | isWindowsHost = (perl_path, [Option mangle_script])
+ | otherwise = (mangle_script, [])
+ (mkdll_prog, mkdll_args)
+ | not isWindowsHost
+ = panic "Can't build DLLs on a non-Win32 system"
| am_installed =
(installed "gcc-lib/" </> cMKDLL,
[ Option "--dlltool-name",
Option "--driver-name",
Option gcc_prog, gcc_b_arg ])
| otherwise = (cMKDLL, [])
-#else
- -- UNIX-SPECIFIC STUFF
- -- On Unix, the "standard" tools are assumed to be
- -- in the same place whether we are running "in-place" or "installed"
- -- That place is wherever the build-time configure script found them.
- ; let gcc_prog = cGCC
- gcc_args = []
- touch_path = "touch"
- mkdll_prog = panic "Can't build DLLs on a non-Win32 system"
- mkdll_args = []
-
- -- On Unix, scripts are invoked using the '#!' method. Binary
- -- installations of GHC on Unix place the correct line on the front
- -- of the script at installation time, so we don't want to wire-in
- -- our knowledge of $(PERL) on the host system here.
- ; let (split_prog, split_args) = (split_script, [])
- (mangle_prog, mangle_args) = (mangle_script, [])
-#endif
-- cpp is derived from gcc on all platforms
-- HACK, see setPgmP below. We keep 'words' here to remember to fix
; let cpp_path = (gcc_prog, gcc_args ++
(Option "-E"):(map Option (words cRAWCPP_FLAGS)))
- -- For all systems, copy and remove are provided by the host
- -- system; architecture-specific stuff is done when building Config.hs
- ; let cp_path = cGHC_CP
-
-- Other things being equal, as and ld are simply gcc
; let (as_prog,as_args) = (gcc_prog,gcc_args)
(ld_prog,ld_args) = (gcc_prog,gcc_args)
-- binaries (see bug #1110).
getGccEnv :: [Option] -> IO (Maybe [(String,String)])
getGccEnv opts =
-#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ < 603
- return Nothing
-#else
if null b_dirs
then return Nothing
else do env <- getEnvironment
mangle_path (path,paths) | map toUpper path == "PATH"
= (path, '\"' : head b_dirs ++ "\";" ++ paths)
mangle_path other = other
-#endif
runMangle :: DynFlags -> [Option] -> IO ()
runMangle dflags args = do
-- to test for this in general.)
(\ err ->
if IO.isDoesNotExistError err
-#if defined(mingw32_HOST_OS) && __GLASGOW_HASKELL__ < 604
- -- the 'compat' version of rawSystem under mingw32 always
- -- maps 'errno' to EINVAL to failure.
- || case (ioeGetErrorType err ) of { InvalidArgument{} -> True ; _ -> False}
-#endif
then return (ExitFailure 1, True)
else IO.ioError err)
case (doesn'tExist, exit_code) of
(_, ExitSuccess) -> return ()
_ -> throwDyn (PhaseFailed phase_name exit_code)
-
-
-#if defined(__GLASGOW_HASKELL__) && __GLASGOW_HASKELL__ < 603
-builderMainLoop dflags filter_fn pgm real_args mb_env = do
- rawSystem pgm real_args
-#else
+builderMainLoop :: DynFlags -> (String -> String) -> FilePath
+ -> [String] -> Maybe [(String, String)]
+ -> IO ExitCode
builderMainLoop dflags filter_fn pgm real_args mb_env = do
chan <- newChan
(hStdIn, hStdOut, hStdErr, hProcess) <- runInteractiveProcess pgm real_args Nothing mb_env
-- for all of these to happen (status==3).
-- ToDo: we should really have a contingency plan in case any of
-- the threads dies, such as a timeout.
- loop chan hProcess 0 0 exitcode = return exitcode
+ loop _ _ 0 0 exitcode = return exitcode
loop chan hProcess t p exitcode = do
mb_code <- if p > 0
then getProcessExitCode hProcess
loop chan hProcess (t-1) p exitcode
| otherwise -> loop chan hProcess t p exitcode
+readerProc :: Chan BuildMessage -> Handle -> (String -> String) -> IO ()
readerProc chan hdl filter_fn =
(do str <- hGetContents hdl
loop (linesPlatform (filter_fn str)) Nothing)
checkError l ls
Nothing -> do
checkError l ls
+ _ -> panic "readerProc/loop"
checkError l ls
= case parseError l of
= BuildMsg !SDoc
| BuildError !SrcLoc !SDoc
| EOF
-#endif
+showOpt :: Option -> String
showOpt (FileOption pre f) = pre ++ f
showOpt (Option s) = s
; action `IO.catch` handle_exn verb
}}
where
- handle_exn verb exn = do { debugTraceMsg dflags 2 (char '\n')
- ; debugTraceMsg dflags 2 (ptext (sLit "Failed:") <+> text cmd_line <+> text (show exn))
- ; throwDyn (PhaseFailed phase_name (ExitFailure 1)) }
+ handle_exn _verb exn = do { debugTraceMsg dflags 2 (char '\n')
+ ; debugTraceMsg dflags 2 (ptext (sLit "Failed:") <+> text cmd_line <+> text (show exn))
+ ; throwDyn (PhaseFailed phase_name (ExitFailure 1)) }
\end{code}
%************************************************************************
projects / ghc-hetmet.git / blobdiff