-----------------------------------------------------------------------------
\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
+
module SysTools (
-- Initialisation
initSysTools,
-- later on; although gcc_args are in NATIVE format,
-- gcc can cope
-- (see comments with declarations of global variables)
- --
- -- The quotes round the -B argument are in case TopDir
- -- has spaces in it
perl_path | am_installed = installed_bin cGHC_PERL
| otherwise = cGHC_PERL
runCpp :: DynFlags -> [Option] -> IO ()
runCpp dflags args = do
let (p,args0) = pgm_P dflags
- runSomething dflags "C pre-processor" p (args0 ++ args)
+ args1 = args0 ++ args
+ mb_env <- getGccEnv args1
+ runSomethingFiltered dflags id "C pre-processor" p args1 mb_env
runPp :: DynFlags -> [Option] -> IO ()
runPp dflags args = do
runWindres dflags args = do
let (gcc,gcc_args) = pgm_c dflags
windres = pgm_windres dflags
- runSomething dflags "Windres" windres
- (Option ("--preprocessor=" ++ gcc ++ " " ++
- unwords (map showOpt gcc_args) ++
- " -E -xc -DRC_INVOKED")
- : args)
+ mb_env <- getGccEnv gcc_args
+ runSomethingFiltered dflags id "Windres" windres
-- we must tell windres where to find gcc: it might not be on PATH
+ (Option ("--preprocessor=" ++
+ unwords (map quote (gcc : map showOpt gcc_args ++
+ ["-E", "-xc", "-DRC_INVOKED"])))
+ -- -- use-temp-file is required for windres to interpret the
+ -- quoting in the preprocessor arg above correctly. Without
+ -- this, windres calls the preprocessor with popen, which gets
+ -- the quoting wrong (discovered by experimentation and
+ -- reading the windres sources). See #1828.
+ : Option "--use-temp-file"
+ : args)
+ -- we must use the PATH workaround here too, since windres invokes gcc
+ mb_env
+ where
+ quote x = '\"' : x ++ "\""
touch :: DynFlags -> String -> String -> IO ()
touch dflags purpose arg =
#endif
showOpt (FileOption pre f) = pre ++ platformPath f
-showOpt (Option "") = ""
showOpt (Option s) = s
traceCmd :: DynFlags -> String -> String -> IO () -> IO ()