-----------------------------------------------------------------------------
--- $Id: SysTools.lhs,v 1.49 2001/08/15 09:32:40 rrt Exp $
--
-- (c) The University of Glasgow 2001
--
module SysTools (
-- Initialisation
initSysTools,
- setPgm, -- String -> IO ()
+
+ setPgmP, -- String -> IO ()
+ setPgmF,
+ setPgmc,
+ setPgmm,
+ setPgms,
+ setPgma,
+ setPgml,
+#ifdef ILX
+ setPgmI,
+ setPgmi,
+#endif
-- Command-line override
setDryRun,
-- Interface to system tools
runUnlit, runCpp, runCc, -- [Option] -> IO ()
+ runPp, -- [Option] -> IO ()
runMangle, runSplit, -- [Option] -> IO ()
runAs, runLink, -- [Option] -> IO ()
runMkDLL,
import Config
import Outputable
import Panic ( progName, GhcException(..) )
-import Util ( global )
+import Util ( global, dropList, notNull )
import CmdLineOpts ( dynFlag, verbosity )
-import Exception ( throwDyn, catchAllIO )
+import Exception ( throwDyn )
+#if __GLASGOW_HASKELL__ > 408
+import qualified Exception ( catch )
+#else
+import Exception ( catchAllIO )
+#endif
import IO
import Directory ( doesFileExist, removeFile )
import IOExts ( IORef, readIORef, writeIORef )
#include "../includes/config.h"
-#ifndef mingw32_TARGET_OS
+#ifndef mingw32_HOST_OS
import qualified Posix
#else
import List ( isPrefixOf )
import MarshalArray
+import Foreign
+#endif
+
+#if __GLASGOW_HASKELL__ > 408
+# if __GLASGOW_HASKELL__ >= 503
+import GHC.IOBase
+# else
+# endif
+# ifdef mingw32_HOST_OS
import SystemExts ( rawSystem )
+# endif
+#else
+import System ( system )
#endif
+
#include "HsVersions.h"
+-- Make catch work on older GHCs
+#if __GLASGOW_HASKELL__ > 408
+myCatch = Exception.catch
+#else
+myCatch = catchAllIO
+#endif
+
\end{code}
etc They do *not* include paths
- cUNLIT_DIR The *path* to the directory containing unlit, split etc
- cSPLIT_DIR *relative* to the root of the build tree,
- for use when running *in-place* in a build tree (only)
+ cUNLIT_DIR_REL The *path* to the directory containing unlit, split etc
+ cSPLIT_DIR_REL *relative* to the root of the build tree,
+ for use when running *in-place* in a build tree (only)
\begin{code}
GLOBAL_VAR(v_Pgm_L, error "pgm_L", String) -- unlit
GLOBAL_VAR(v_Pgm_P, error "pgm_P", String) -- cpp
+GLOBAL_VAR(v_Pgm_F, error "pgm_F", String) -- pp
GLOBAL_VAR(v_Pgm_c, error "pgm_c", String) -- gcc
GLOBAL_VAR(v_Pgm_m, error "pgm_m", String) -- asm code mangler
GLOBAL_VAR(v_Pgm_s, error "pgm_s", String) -- asm code splitter
-- NB: top_dir is assumed to be in standard Unix format '/' separated
; let installed, installed_bin :: FilePath -> FilePath
- installed_bin pgm = pgmPath (top_dir `slash` "extra-bin") pgm
+ installed_bin pgm = pgmPath top_dir pgm
installed file = pgmPath top_dir file
- inplace dir pgm = pgmPath (top_dir `slash` dir) pgm
+ inplace dir pgm = pgmPath (top_dir `slash`
+ cPROJECT_DIR `slash` dir) pgm
; let pkgconfig_path
| am_installed = installed "package.conf"
- | otherwise = inplace cGHC_DRIVER_DIR "package.conf.inplace"
+ | otherwise = inplace cGHC_DRIVER_DIR_REL "package.conf.inplace"
ghc_usage_msg_path
| am_installed = installed "ghc-usage.txt"
- | otherwise = inplace cGHC_DRIVER_DIR "ghc-usage.txt"
+ | otherwise = inplace cGHC_DRIVER_DIR_REL "ghc-usage.txt"
-- For all systems, unlit, split, mangle are GHC utilities
-- architecture-specific stuff is done when building Config.hs
unlit_path
- | am_installed = installed_bin cGHC_UNLIT
- | otherwise = inplace cGHC_UNLIT_DIR cGHC_UNLIT
+ | am_installed = installed_bin cGHC_UNLIT_PGM
+ | otherwise = inplace cGHC_UNLIT_DIR_REL cGHC_UNLIT_PGM
-- split and mangle are Perl scripts
split_script
- | am_installed = installed_bin cGHC_SPLIT
- | otherwise = inplace cGHC_SPLIT_DIR cGHC_SPLIT
+ | am_installed = installed_bin cGHC_SPLIT_PGM
+ | otherwise = inplace cGHC_SPLIT_DIR_REL cGHC_SPLIT_PGM
mangle_script
- | am_installed = installed_bin cGHC_MANGLER
- | otherwise = inplace cGHC_MANGLER_DIR cGHC_MANGLER
+ | am_installed = installed_bin cGHC_MANGLER_PGM
+ | otherwise = inplace cGHC_MANGLER_DIR_REL cGHC_MANGLER_PGM
-#ifndef mingw32_TARGET_OS
+#ifndef mingw32_HOST_OS
-- check whether TMPDIR is set in the environment
; IO.try (do dir <- getEnv "TMPDIR" -- fails if not set
setTmpDir dir
return ()
)
+#else
+ -- On Win32, consult GetTempPath() for a temp dir.
+ -- => it first tries TMP, TEMP, then finally the
+ -- Windows directory(!). The directory is in short-path
+ -- form and *does* have a trailing backslash.
+ ; IO.try (do
+ let len = (2048::Int)
+ buf <- mallocArray len
+ ret <- getTempPath len buf
+ tdir <-
+ if ret == 0 then do
+ -- failed, consult TEMP.
+ free buf
+ getEnv "TMP"
+ else do
+ s <- peekCString buf
+ free buf
+ return s
+ let
+ -- strip the trailing backslash (awful, but
+ -- we only do this once).
+ tmpdir =
+ case last tdir of
+ '/' -> init tdir
+ '\\' -> init tdir
+ _ -> tdir
+ setTmpDir tmpdir
+ return ())
#endif
-- Check that the package config exists
throwDyn (InstallationError
("Can't find package.conf as " ++ pkgconfig_path))
-#if defined(mingw32_TARGET_OS)
+#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
| otherwise = cGHC_PERL
-- 'touch' is a GHC util for Windows, and similarly unlit, mangle
- ; let touch_path | am_installed = installed_bin cGHC_TOUCHY
- | otherwise = inplace cGHC_TOUCHY_DIR cGHC_TOUCHY
+ ; 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
-- 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_path = cGCC
- touch_path = cGHC_TOUCHY
+ touch_path = "touch"
mkdll_path = panic "Can't build DLLs on a non-Win32 system"
-- On Unix, scripts are invoked using the '#!' method. Binary
; writeIORef v_Pgm_L unlit_path
; writeIORef v_Pgm_P cpp_path
+ ; writeIORef v_Pgm_F ""
; writeIORef v_Pgm_c gcc_path
; writeIORef v_Pgm_m mangle_path
; writeIORef v_Pgm_s split_path
; return ()
}
+
+#if defined(mingw32_HOST_OS)
+foreign import stdcall "GetTempPathA" unsafe getTempPath :: Int -> CString -> IO Int32
+#endif
\end{code}
-setPgm is called when a command-line option like
+The various setPgm functions are called when a command-line option
+like
+
-pgmLld
+
is used to override a particular program with a new one
\begin{code}
-setPgm :: String -> IO ()
--- The string is the flag, minus the '-pgm' prefix
--- So the first character says which program to override
-
-setPgm ('P' : pgm) = writeIORef v_Pgm_P pgm
-setPgm ('c' : pgm) = writeIORef v_Pgm_c pgm
-setPgm ('m' : pgm) = writeIORef v_Pgm_m pgm
-setPgm ('s' : pgm) = writeIORef v_Pgm_s pgm
-setPgm ('a' : pgm) = writeIORef v_Pgm_a pgm
-setPgm ('l' : pgm) = writeIORef v_Pgm_l pgm
+setPgmP = writeIORef v_Pgm_P
+setPgmF = writeIORef v_Pgm_F
+setPgmc = writeIORef v_Pgm_c
+setPgmm = writeIORef v_Pgm_m
+setPgms = writeIORef v_Pgm_s
+setPgma = writeIORef v_Pgm_a
+setPgml = writeIORef v_Pgm_l
#ifdef ILX
-setPgm ('I' : pgm) = writeIORef v_Pgm_I pgm
-setPgm ('i' : pgm) = writeIORef v_Pgm_i pgm
+setPgmI = writeIORef v_Pgm_I
+setPgmi = writeIORef v_Pgm_i
#endif
-setPgm pgm = unknownFlagErr ("-pgm" ++ pgm)
\end{code}
}
where
-- get_proto returns a Unix-format path (relying on getExecDir to do so too)
- get_proto | not (null minusbs)
+ get_proto | notNull minusbs
= return (unDosifyPath (drop 2 (last minusbs))) -- 2 for "-B"
| otherwise
= do { maybe_exec_dir <- getExecDir -- Get directory of executable
this type gives us a handle on transforming filenames, and filenames only,
to whatever format they're expected to be on a particular platform.]
-
\begin{code}
data Option
- = FileOption String
+ = FileOption -- an entry that _contains_ filename(s) / filepaths.
+ String -- a non-filepath prefix that shouldn't be transformed (e.g., "/out="
+ String -- the filepath/filename portion
| Option String
showOptions :: [Option] -> String
showOptions ls = unwords (map (quote.showOpt) ls)
where
- showOpt (FileOption f) = dosifyPath f
+ showOpt (FileOption pre f) = pre ++ dosifyPath f
showOpt (Option s) = s
-#if defined(mingw32_TARGET_OS)
- quote "" = ""
- quote s = "\"" ++ s ++ "\""
-#else
- quote = id
-#endif
-
\end{code}
%************************************************************************
%* *
\subsection{Running an external program}
-n%* *
+%* *
%************************************************************************
runCpp args = do p <- readIORef v_Pgm_P
runSomething "C pre-processor" p args
+runPp :: [Option] -> IO ()
+runPp args = do p <- readIORef v_Pgm_F
+ runSomething "Haskell pre-processor" p args
+
runCc :: [Option] -> IO ()
runCc args = do p <- readIORef v_Pgm_c
runSomething "C Compiler" p args
runSomething "Linker" p args
#ifdef ILX
-runIlx2il :: [String] -> IO ()
+runIlx2il :: [Option] -> IO ()
runIlx2il args = do p <- readIORef v_Pgm_I
runSomething "Ilx2Il" p args
-runIlasm :: [String] -> IO ()
+runIlasm :: [Option] -> IO ()
runIlasm args = do p <- readIORef v_Pgm_i
runSomething "Ilasm" p args
#endif
touch :: String -> String -> IO ()
touch purpose arg = do p <- readIORef v_Pgm_T
- runSomething purpose p [FileOption arg]
+ runSomething purpose p [FileOption "" arg]
copy :: String -> String -> String -> IO ()
copy purpose from to = do
("Deleting: " ++ unwords fs)
(mapM_ rm fs)
where
- rm f = removeFile f `catchAllIO`
+ rm f = removeFile f `myCatch`
(\_ignored ->
when (verb >= 2) $
hPutStrLn stderr ("Warning: deleting non-existent " ++ f)
runSomething phase_name pgm args
= traceCmd phase_name cmd_line $
do {
-#ifndef mingw32_TARGET_OS
+#ifndef mingw32_HOST_OS
exit_code <- system cmd_line
#else
exit_code <- rawSystem cmd_line
else return ()
}
where
- cmd_line = pgm ++ ' ':showOptions args -- unwords (pgm : dosifyPaths (map quote args))
-- The pgm is already in native format (appropriate dir separators)
-#if defined(mingw32_TARGET_OS)
- quote "" = ""
- quote s = "\"" ++ s ++ "\""
-#else
- quote = id
-#endif
+ cmd_line = pgm ++ ' ':showOptions args
+ -- unwords (pgm : dosifyPaths (map quote args))
traceCmd :: String -> String -> IO () -> IO ()
-- a) trace the command (at two levels of verbosity)
; unless n $ do {
-- And run it!
- ; action `catchAllIO` handle_exn verb
+ ; action `myCatch` handle_exn verb
}}
where
handle_exn verb exn = do { when (verb >= 2) (hPutStr stderr "\n")
-#if defined(mingw32_TARGET_OS)
+#if defined(mingw32_HOST_OS)
--------------------- Windows version ------------------
dosifyPaths xs = map dosifyPath xs
pgmPath dir pgm = dosifyPath dir ++ '\\' : pgm
--- HACK!
-dosifyPath "\"/DLL\"" = "\"/DLL\""
-dosifyPath "\"/QUIET\"" = "\"/QUIET\""
-dosifyPath l@('"':'/':'O':'U':'T':_) = l
--- end of HACK!
dosifyPath stuff
= subst '/' '\\' real_stuff
where
cygdrive_prefix = "/cygdrive/"
real_stuff
- | cygdrive_prefix `isPrefixOf` stuff = drop (length cygdrive_prefix) stuff
+ | cygdrive_prefix `isPrefixOf` stuff = dropList cygdrive_prefix stuff
| otherwise = stuff
#else
slash :: String -> String -> String
absPath, relPath :: [String] -> String
-isSlash '/' = True
-isSlash other = False
-
relPath [] = ""
relPath xs = foldr1 slash xs
-----------------------------------------------------------------------------
-- Define getExecDir :: IO (Maybe String)
-#if defined(mingw32_TARGET_OS)
+#if defined(mingw32_HOST_OS)
getExecDir :: IO (Maybe String)
-getExecDir = do let len = 2048 -- plenty, PATH_MAX is 512 under Win32.
- buf <- mallocArray (fromIntegral len)
+getExecDir = do let len = (2048::Int) -- plenty, PATH_MAX is 512 under Win32.
+ buf <- mallocArray len
ret <- getModuleFileName nullAddr buf len
- if ret == 0 then return Nothing
+ if ret == 0 then free buf >> return Nothing
else do s <- peekCString buf
- destructArray (fromIntegral len) buf
- return (Just (reverse (drop (length "/bin/ghc.exe") (reverse (unDosifyPath s)))))
+ free buf
+ return (Just (reverse (dropList "/bin/ghc.exe" (reverse (unDosifyPath s)))))
-foreign import stdcall "GetModuleFileNameA" getModuleFileName :: Addr -> CString -> Int32 -> IO Int32
+foreign import stdcall "GetModuleFileNameA" unsafe getModuleFileName :: Addr -> CString -> Int -> IO Int32
#else
getExecDir :: IO (Maybe String) = do return Nothing
#endif
-#ifdef mingw32_TARGET_OS
-foreign import "_getpid" getProcessID :: IO Int -- relies on Int == Int32 on Windows
+#ifdef mingw32_HOST_OS
+foreign import "_getpid" unsafe getProcessID :: IO Int -- relies on Int == Int32 on Windows
#else
getProcessID :: IO Int
getProcessID = Posix.getProcessID
#endif
+
+#if defined(mingw32_HOST_OS) && (__GLASGOW_HASKELL__ <= 408)
+rawSystem :: String -> IO ExitCode
+rawSystem cmd = system cmd
+ -- mingw only: if you try to build a stage2 compiler with a stage1
+ -- that has been bootstrapped with 4.08 (or earlier), this will run
+ -- into problems with limits on command-line lengths with the std.
+ -- Win32 command interpreters. So don't this - use 5.00 or later
+ -- to compile up the GHC sources.
+#endif
+
+quote :: String -> String
+#if defined(mingw32_HOST_OS)
+quote "" = ""
+quote s = "\"" ++ s ++ "\""
+#else
+quote s = s
+#endif
+
\end{code}