diff options
| -rw-r--r-- | compiler/main/SysTools.lhs | 277 |
1 files changed, 139 insertions, 138 deletions
diff --git a/compiler/main/SysTools.lhs b/compiler/main/SysTools.lhs index da24631b97..4bf63facf1 100644 --- a/compiler/main/SysTools.lhs +++ b/compiler/main/SysTools.lhs @@ -166,144 +166,145 @@ initSysTools :: Maybe String -- Maybe TopDir path (without the '-B' prefix) -- (b) the package-config file -- (c) the GHC usage message initSysTools mbMinusB - = do { top_dir <- findTopDir mbMinusB - -- see [Note topdir] - -- NB: top_dir is assumed to be in standard Unix - -- format, '/' separated - - ; let settingsFile = top_dir </> "settings" - installed :: FilePath -> FilePath - installed file = top_dir </> file - - ; settingsStr <- readFile settingsFile - ; mySettings <- case maybeReadFuzzy settingsStr of - Just s -> - return s - Nothing -> - pgmError ("Can't parse " ++ show settingsFile) - ; let getSetting key = case lookup key mySettings of - Just xs -> - return $ case stripPrefix "$topdir" xs of - Just [] -> - top_dir - Just xs'@(c:_) - | isPathSeparator c -> - top_dir ++ xs' - _ -> - xs - Nothing -> pgmError ("No entry for " ++ show key ++ " in " ++ show settingsFile) - readSetting key = case lookup key mySettings of - Just xs -> - case maybeRead xs of - Just v -> return v - Nothing -> pgmError ("Failed to read " ++ show key ++ " value " ++ show xs) - Nothing -> pgmError ("No entry for " ++ show key ++ " in " ++ show settingsFile) - ; targetArch <- readSetting "target arch" - ; targetOS <- readSetting "target os" - ; targetWordSize <- readSetting "target word size" - ; targetHasGnuNonexecStack <- readSetting "target has GNU nonexec stack" - ; targetHasIdentDirective <- readSetting "target has .ident directive" - ; targetHasSubsectionsViaSymbols <- readSetting "target has subsections via symbols" - ; myExtraGccViaCFlags <- getSetting "GCC extra via C opts" - -- On Windows, mingw is distributed with GHC, - -- so we look in TopDir/../mingw/bin - -- It would perhaps be nice to be able to override this - -- with the settings file, but it would be a little fiddly - -- to make that possible, so for now you can't. - ; gcc_prog <- getSetting "C compiler command" - ; gcc_args_str <- getSetting "C compiler flags" - ; let gcc_args = map Option (words gcc_args_str) - ; perl_path <- getSetting "perl command" - - ; let pkgconfig_path = installed "package.conf.d" - ghc_usage_msg_path = installed "ghc-usage.txt" - ghci_usage_msg_path = installed "ghci-usage.txt" - - -- For all systems, unlit, split, mangle are GHC utilities - -- architecture-specific stuff is done when building Config.hs - unlit_path = installed cGHC_UNLIT_PGM - - -- split is a Perl script - split_script = installed cGHC_SPLIT_PGM - - ; windres_path <- getSetting "windres command" - - ; tmpdir <- getTemporaryDirectory - - ; touch_path <- getSetting "touch command" - - ; let -- On Win32 we don't want to rely on #!/bin/perl, so we prepend - -- a call to Perl to get the invocation of split. - -- 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, []) - ; mkdll_prog <- getSetting "dllwrap command" - ; let mkdll_args = [] - - -- cpp is derived from gcc on all platforms - -- HACK, see setPgmP below. We keep 'words' here to remember to fix - -- Config.hs one day. - ; let cpp_prog = gcc_prog - cpp_args = Option "-E" - : map Option (words cRAWCPP_FLAGS) - ++ gcc_args - - -- Other things being equal, as and ld are simply gcc - ; let as_prog = gcc_prog - as_args = gcc_args - ld_prog = gcc_prog - ld_args = gcc_args - - -- We just assume on command line - ; lc_prog <- getSetting "LLVM llc command" - ; lo_prog <- getSetting "LLVM opt command" - - ; return $ Settings { - sTargetPlatform = Platform { - platformArch = targetArch, - platformOS = targetOS, - platformWordSize = targetWordSize, - platformHasGnuNonexecStack = targetHasGnuNonexecStack, - platformHasIdentDirective = targetHasIdentDirective, - platformHasSubsectionsViaSymbols = targetHasSubsectionsViaSymbols - }, - sTmpDir = normalise tmpdir, - sGhcUsagePath = ghc_usage_msg_path, - sGhciUsagePath = ghci_usage_msg_path, - sTopDir = top_dir, - sRawSettings = mySettings, - sExtraGccViaCFlags = words myExtraGccViaCFlags, - sSystemPackageConfig = pkgconfig_path, - sPgm_L = unlit_path, - sPgm_P = (cpp_prog, cpp_args), - sPgm_F = "", - sPgm_c = (gcc_prog, gcc_args), - sPgm_s = (split_prog,split_args), - sPgm_a = (as_prog, as_args), - sPgm_l = (ld_prog, ld_args), - sPgm_dll = (mkdll_prog,mkdll_args), - sPgm_T = touch_path, - sPgm_sysman = top_dir ++ "/ghc/rts/parallel/SysMan", - sPgm_windres = windres_path, - sPgm_lo = (lo_prog,[]), - sPgm_lc = (lc_prog,[]), - -- Hans: this isn't right in general, but you can - -- elaborate it in the same way as the others - sOpt_L = [], - sOpt_P = [], - sOpt_F = [], - sOpt_c = [], - sOpt_a = [], - sOpt_l = [], - sOpt_windres = [], - sOpt_lo = [], - sOpt_lc = [] - } - } + = do top_dir <- findTopDir mbMinusB + -- see [Note topdir] + -- NB: top_dir is assumed to be in standard Unix + -- format, '/' separated + + let settingsFile = top_dir </> "settings" + installed :: FilePath -> FilePath + installed file = top_dir </> file + + settingsStr <- readFile settingsFile + mySettings <- case maybeReadFuzzy settingsStr of + Just s -> + return s + Nothing -> + pgmError ("Can't parse " ++ show settingsFile) + let getSetting key = case lookup key mySettings of + Just xs -> + return $ case stripPrefix "$topdir" xs of + Just [] -> + top_dir + Just xs'@(c:_) + | isPathSeparator c -> + top_dir ++ xs' + _ -> + xs + Nothing -> pgmError ("No entry for " ++ show key ++ " in " ++ show settingsFile) + readSetting key = case lookup key mySettings of + Just xs -> + case maybeRead xs of + Just v -> return v + Nothing -> pgmError ("Failed to read " ++ show key ++ " value " ++ show xs) + Nothing -> pgmError ("No entry for " ++ show key ++ " in " ++ show settingsFile) + targetArch <- readSetting "target arch" + targetOS <- readSetting "target os" + targetWordSize <- readSetting "target word size" + targetHasGnuNonexecStack <- readSetting "target has GNU nonexec stack" + targetHasIdentDirective <- readSetting "target has .ident directive" + targetHasSubsectionsViaSymbols <- readSetting "target has subsections via symbols" + myExtraGccViaCFlags <- getSetting "GCC extra via C opts" + -- On Windows, mingw is distributed with GHC, + -- so we look in TopDir/../mingw/bin + -- It would perhaps be nice to be able to override this + -- with the settings file, but it would be a little fiddly + -- to make that possible, so for now you can't. + gcc_prog <- getSetting "C compiler command" + gcc_args_str <- getSetting "C compiler flags" + let gcc_args = map Option (words gcc_args_str) + perl_path <- getSetting "perl command" + + let pkgconfig_path = installed "package.conf.d" + ghc_usage_msg_path = installed "ghc-usage.txt" + ghci_usage_msg_path = installed "ghci-usage.txt" + + -- For all systems, unlit, split, mangle are GHC utilities + -- architecture-specific stuff is done when building Config.hs + unlit_path = installed cGHC_UNLIT_PGM + + -- split is a Perl script + split_script = installed cGHC_SPLIT_PGM + + windres_path <- getSetting "windres command" + + tmpdir <- getTemporaryDirectory + + touch_path <- getSetting "touch command" + + let -- On Win32 we don't want to rely on #!/bin/perl, so we prepend + -- a call to Perl to get the invocation of split. + -- 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, []) + mkdll_prog <- getSetting "dllwrap command" + let mkdll_args = [] + + -- cpp is derived from gcc on all platforms + -- HACK, see setPgmP below. We keep 'words' here to remember to fix + -- Config.hs one day. + let cpp_prog = gcc_prog + cpp_args = Option "-E" + : map Option (words cRAWCPP_FLAGS) + ++ gcc_args + + -- Other things being equal, as and ld are simply gcc + let as_prog = gcc_prog + as_args = gcc_args + ld_prog = gcc_prog + ld_args = gcc_args + + -- We just assume on command line + lc_prog <- getSetting "LLVM llc command" + lo_prog <- getSetting "LLVM opt command" + + let platform = Platform { + platformArch = targetArch, + platformOS = targetOS, + platformWordSize = targetWordSize, + platformHasGnuNonexecStack = targetHasGnuNonexecStack, + platformHasIdentDirective = targetHasIdentDirective, + platformHasSubsectionsViaSymbols = targetHasSubsectionsViaSymbols + } + + return $ Settings { + sTargetPlatform = platform, + sTmpDir = normalise tmpdir, + sGhcUsagePath = ghc_usage_msg_path, + sGhciUsagePath = ghci_usage_msg_path, + sTopDir = top_dir, + sRawSettings = mySettings, + sExtraGccViaCFlags = words myExtraGccViaCFlags, + sSystemPackageConfig = pkgconfig_path, + sPgm_L = unlit_path, + sPgm_P = (cpp_prog, cpp_args), + sPgm_F = "", + sPgm_c = (gcc_prog, gcc_args), + sPgm_s = (split_prog,split_args), + sPgm_a = (as_prog, as_args), + sPgm_l = (ld_prog, ld_args), + sPgm_dll = (mkdll_prog,mkdll_args), + sPgm_T = touch_path, + sPgm_sysman = top_dir ++ "/ghc/rts/parallel/SysMan", + sPgm_windres = windres_path, + sPgm_lo = (lo_prog,[]), + sPgm_lc = (lc_prog,[]), + -- Hans: this isn't right in general, but you can + -- elaborate it in the same way as the others + sOpt_L = [], + sOpt_P = [], + sOpt_F = [], + sOpt_c = [], + sOpt_a = [], + sOpt_l = [], + sOpt_windres = [], + sOpt_lo = [], + sOpt_lc = [] + } \end{code} \begin{code} |