diff options
Diffstat (limited to 'pkgs/development/compilers/ghc/Cabal-at-least-3.6-paths-fix-cycle-aarch64-darwin.patch')
| -rw-r--r-- | pkgs/development/compilers/ghc/Cabal-at-least-3.6-paths-fix-cycle-aarch64-darwin.patch | 602 |
1 files changed, 602 insertions, 0 deletions
diff --git a/pkgs/development/compilers/ghc/Cabal-at-least-3.6-paths-fix-cycle-aarch64-darwin.patch b/pkgs/development/compilers/ghc/Cabal-at-least-3.6-paths-fix-cycle-aarch64-darwin.patch new file mode 100644 index 0000000000000..1f7a79cc6885d --- /dev/null +++ b/pkgs/development/compilers/ghc/Cabal-at-least-3.6-paths-fix-cycle-aarch64-darwin.patch @@ -0,0 +1,602 @@ +This patch is based on https://github.com/sternenseemann/cabal/compare/982646d67b95b32813b89ab5d2d2f4d4dc03fb2b..7c49047f253e1f128e2df356400ec5da6f11066b +and has been postprocessed with `filterdiff --strip=1 --addoldprefix=a/libraries/Cabal/ --addnewprefix=b/libraries/Cabal/`. +Note that the base for the diff is not the Cabal 3.6.3.0 release tag, but +982646d67b95b32813b89ab5d2d2f4d4dc03fb2b which is obtained by applying +https://github.com/haskell/cabal/commit/6c796218c92f93c95e94d5ec2d077f6956f68e98 +on top of said release tag. That patch is applied to all our GHCs in the 9.2 series. + +Reasoning and explanation of the patch can be found in the comment in the diff for PathsModule.hs below. + +diffCabal/src/Distribution/Simple/Build/PathsModule.hs b/Cabal/src/Distribution/Simple/Build/PathsModule.hs +index b2be7e1a8..9b63e9850 100644 +--- a/libraries/Cabal/Cabal/src/Distribution/Simple/Build/PathsModule.hs ++++ b/libraries/Cabal/Cabal/src/Distribution/Simple/Build/PathsModule.hs +@@ -46,6 +46,7 @@ generatePathsModule pkg_descr lbi clbi = Z.render Z.Z + , Z.zIsWindows = isWindows + , Z.zIsI386 = buildArch == I386 + , Z.zIsX8664 = buildArch == X86_64 ++ , Z.zOr = (||) + , Z.zNot = not + , Z.zManglePkgName = showPkgName + +@@ -56,8 +57,112 @@ generatePathsModule pkg_descr lbi clbi = Z.render Z.Z + , Z.zDatadir = zDatadir + , Z.zLibexecdir = zLibexecdir + , Z.zSysconfdir = zSysconfdir ++ ++ -- Sadly we can't be cleverer about this – we can't have literals in the template ++ , Z.zShouldEmitDataDir = shouldEmit "DataDir" ++ , Z.zShouldEmitLibDir = shouldEmit "LibDir" ++ , Z.zShouldEmitDynLibDir = shouldEmit "DynLibDir" ++ , Z.zShouldEmitLibexecDir = shouldEmit "LibexecDir" ++ , Z.zShouldEmitSysconfDir = shouldEmit "SysconfDir" ++ ++ , Z.zWarning = zWarning ++ , Z.zShouldEmitWarning = zShouldEmitWarning + } + where ++ -- GHC's NCG backend for aarch64-darwin does not support link-time dead code ++ -- elimination to the extent that NCG does for other targets. Consequently, ++ -- we struggle with unnecessarily retained store path references due to the ++ -- use of `Paths_*` modules – even if `getLibDir` is not used, it'll end up ++ -- in the final library or executables we build. ++ -- ++ -- When using a different output for the executables and library, this ++ -- becomes more sinister: The library will contain a reference to the bin ++ -- output and itself due to `getLibDir` and `getBinDir`, but the executables ++ -- will do so, too. Either due to linking dynamically or because the library ++ -- is linked statically into the executable and retains those references. ++ -- Since Nix disallows cyclical references between two outputs, it becomes ++ -- impossible to use the `Paths_*` module and a separate `bin` output for ++ -- aarch64-darwin. ++ -- ++ -- The solution we have resorted to for now, is to trim the `Paths_*` module ++ -- dynamically depending on what references *could* be used without causing ++ -- a cyclical reference. That has the effect that any code that would not ++ -- cause a cyclical reference with dead code elimination will compile and ++ -- work for aarch64-darwin. If the code would use a `get*Dir` function that ++ -- has been omitted, this would indicate that the code would have caused a ++ -- cyclical reference anyways. ++ -- ++ -- The logic for this makes some pretty big assumptions about installation ++ -- prefixes that probably only hold fully in nixpkgs with ++ -- `haskellPackages.mkDerivation`. Simple uses outside nixpkgs that have ++ -- everything below the same prefix should continue to work as expected, ++ -- though. ++ -- ++ -- We assume the following: ++ -- ++ -- - flat_prefix is `$out`. ++ -- - flat_libdir etc. are always below `$out`. ++ -- ++ -- Since in the normal case due to static linking `$bin` and `$out` will ++ -- have the same references in libraries/executables, we need to either ++ -- prevent usage of `getBinDir` or `getLibDir` to break the cycle in case ++ -- `flat_bindir` is not below `$out`. We have decided to always allow usage ++ -- of `getBinDir`, so `getLibDir` gets dropped if a separate `bin` output is ++ -- used. This has the simple reason that `$out` which contains `flat_libdir` ++ -- tends to be quite big – we would like to have a `bin` output that doesn't ++ -- require keeping that around. ++ pathEmittable :: FilePath -> Bool ++ pathEmittable p ++ -- If the executable installation target is below `$out` the reference ++ -- cycle is within a single output (since libs are installed to `$out`) ++ -- and thus unproblematic. We can use any and all `get*Dir` functions. ++ | flat_prefix `isPrefixOf` flat_bindir = True ++ -- Otherwise, we need to disallow all `get*Dir` functions that would cause ++ -- a reference to `$out` which contains the libraries that would in turn ++ -- reference `$bin`. This always include `flat_libdir` and friends, but ++ -- can also include `flat_datadir` if no separate output for data files is ++ -- used. ++ | otherwise = not (flat_prefix `isPrefixOf` p) ++ ++ -- This list maps the "name" of the directory to whether we want to include ++ -- it in the `Paths_*` module or not. `shouldEmit` performs a lookup in this. ++ dirs :: [(String, Bool)] ++ dirs = ++ map ++ (\(name, path) -> (name, pathEmittable path)) ++ [ ("LibDir", flat_libdir) ++ , ("DynLibDir", flat_dynlibdir) ++ , ("DataDir", flat_datadir) ++ , ("LibexecDir", flat_libexecdir) ++ , ("SysconfDir", flat_sysconfdir) ++ ] ++ ++ shouldEmit :: String -> Bool ++ shouldEmit name = ++ case lookup name dirs of ++ Just b -> b ++ Nothing -> error "panic! BUG in Cabal Paths_ patch for aarch64-darwin, report this at https://github.com/nixos/nixpkgs/issues" ++ ++ -- This is a comma separated list of all functions that have been omitted. ++ -- This is included in a GHC warning which will be attached to the `Paths_*` ++ -- module in case we are dropping any `get*Dir` functions that would ++ -- normally exist. ++ -- ++ -- TODO: getDataFileName is not accounted for at the moment. ++ omittedFunctions :: String ++ omittedFunctions = ++ intercalate ", " ++ $ map (("get" ++) . fst) ++ $ filter (not . snd) dirs ++ ++ zWarning :: String ++ zWarning = ++ show $ ++ "The following functions have been omitted by a nixpkgs-specific patch to Cabal: " ++ ++ omittedFunctions ++ zShouldEmitWarning :: Bool ++ zShouldEmitWarning = any (not . snd) dirs ++ + supports_cpp = supports_language_pragma + supports_rebindable_syntax = ghc_newer_than (mkVersion [7,0,1]) + supports_language_pragma = ghc_newer_than (mkVersion [6,6,1]) +diffCabal/src/Distribution/Simple/Build/PathsModule/Z.hs b/Cabal/src/Distribution/Simple/Build/PathsModule/Z.hs +index 6488ea061..a6cdc8e31 100644 +--- a/libraries/Cabal/Cabal/src/Distribution/Simple/Build/PathsModule/Z.hs ++++ b/libraries/Cabal/Cabal/src/Distribution/Simple/Build/PathsModule/Z.hs +@@ -18,6 +18,14 @@ data Z + zDatadir :: FilePath, + zLibexecdir :: FilePath, + zSysconfdir :: FilePath, ++ zShouldEmitLibDir :: Bool, ++ zShouldEmitDynLibDir :: Bool, ++ zShouldEmitLibexecDir :: Bool, ++ zShouldEmitDataDir :: Bool, ++ zShouldEmitSysconfDir :: Bool, ++ zShouldEmitWarning :: Bool, ++ zWarning :: String, ++ zOr :: (Bool -> Bool -> Bool), + zNot :: (Bool -> Bool), + zManglePkgName :: (PackageName -> String)} + deriving Generic +@@ -45,10 +53,51 @@ render z_root = execWriter $ do + tell "{-# OPTIONS_GHC -w #-}\n" + tell "module Paths_" + tell (zManglePkgName z_root (zPackageName z_root)) +- tell " (\n" ++ tell "\n" ++ tell " " ++ if (zShouldEmitWarning z_root) ++ then do ++ tell "{-# WARNING " ++ tell (zWarning z_root) ++ tell " #-}" ++ return () ++ else do ++ return () ++ tell "\n" ++ tell " (\n" + tell " version,\n" +- tell " getBinDir, getLibDir, getDynLibDir, getDataDir, getLibexecDir,\n" +- tell " getDataFileName, getSysconfDir\n" ++ tell " getBinDir,\n" ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitLibDir z_root)) ++ then do ++ tell " getLibDir,\n" ++ return () ++ else do ++ return () ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitDynLibDir z_root)) ++ then do ++ tell " getDynLibDir,\n" ++ return () ++ else do ++ return () ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitLibexecDir z_root)) ++ then do ++ tell " getLibexecDir,\n" ++ return () ++ else do ++ return () ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitDataDir z_root)) ++ then do ++ tell " getDataFileName,\n" ++ tell " getDataDir,\n" ++ return () ++ else do ++ return () ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitSysconfDir z_root)) ++ then do ++ tell " getSysconfDir\n" ++ return () ++ else do ++ return () + tell " ) where\n" + tell "\n" + if (zNot z_root (zAbsolute z_root)) +@@ -97,12 +146,15 @@ render z_root = execWriter $ do + tell (zVersionDigits z_root) + tell " []\n" + tell "\n" +- tell "getDataFileName :: FilePath -> IO FilePath\n" +- tell "getDataFileName name = do\n" +- tell " dir <- getDataDir\n" +- tell " return (dir `joinFileName` name)\n" +- tell "\n" +- tell "getBinDir, getLibDir, getDynLibDir, getDataDir, getLibexecDir, getSysconfDir :: IO FilePath\n" ++ if (zOr z_root (zNot z_root (zAbsolute z_root)) (zShouldEmitDataDir z_root)) ++ then do ++ tell "getDataFileName :: FilePath -> IO FilePath\n" ++ tell "getDataFileName name = do\n" ++ tell " dir <- getDataDir\n" ++ tell " return (dir `joinFileName` name)\n" ++ return () ++ else do ++ return () + tell "\n" + let + z_var0_function_defs = do +@@ -130,6 +182,7 @@ render z_root = execWriter $ do + tell "\n" + if (zRelocatable z_root) + then do ++ tell "\n" + tell "\n" + tell "getPrefixDirReloc :: FilePath -> IO FilePath\n" + tell "getPrefixDirReloc dirRel = do\n" +@@ -139,31 +192,37 @@ render z_root = execWriter $ do + tell (zBindir z_root) + tell ") `joinFileName` dirRel)\n" + tell "\n" ++ tell "getBinDir :: IO FilePath\n" + tell "getBinDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_bindir\") (\\_ -> getPrefixDirReloc $ " + tell (zBindir z_root) + tell ")\n" ++ tell "getLibDir :: IO FilePath\n" + tell "getLibDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_libdir\") (\\_ -> getPrefixDirReloc $ " + tell (zLibdir z_root) + tell ")\n" ++ tell "getDynLibDir :: IO FilePath\n" + tell "getDynLibDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_dynlibdir\") (\\_ -> getPrefixDirReloc $ " + tell (zDynlibdir z_root) + tell ")\n" ++ tell "getDataDir :: IO FilePath\n" + tell "getDataDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_datadir\") (\\_ -> getPrefixDirReloc $ " + tell (zDatadir z_root) + tell ")\n" ++ tell "getLibexecDir :: IO FilePath\n" + tell "getLibexecDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_libexecdir\") (\\_ -> getPrefixDirReloc $ " + tell (zLibexecdir z_root) + tell ")\n" ++ tell "getSysconfDir :: IO FilePath\n" + tell "getSysconfDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_sysconfdir\") (\\_ -> getPrefixDirReloc $ " +@@ -177,72 +236,119 @@ render z_root = execWriter $ do + if (zAbsolute z_root) + then do + tell "\n" +- tell "bindir, libdir, dynlibdir, datadir, libexecdir, sysconfdir :: FilePath\n" ++ tell "bindir :: FilePath\n" + tell "bindir = " + tell (zBindir z_root) + tell "\n" +- tell "libdir = " +- tell (zLibdir z_root) +- tell "\n" +- tell "dynlibdir = " +- tell (zDynlibdir z_root) ++ tell "getBinDir :: IO FilePath\n" ++ tell "getBinDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_bindir\") (\\_ -> return bindir)\n" + tell "\n" +- tell "datadir = " +- tell (zDatadir z_root) ++ if (zShouldEmitLibDir z_root) ++ then do ++ tell "libdir :: FilePath\n" ++ tell "libdir = " ++ tell (zLibdir z_root) ++ tell "\n" ++ tell "getLibDir :: IO FilePath\n" ++ tell "getLibDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_libdir\") (\\_ -> return libdir)\n" ++ return () ++ else do ++ return () + tell "\n" +- tell "libexecdir = " +- tell (zLibexecdir z_root) ++ if (zShouldEmitDynLibDir z_root) ++ then do ++ tell "dynlibdir :: FilePath\n" ++ tell "dynlibdir = " ++ tell (zDynlibdir z_root) ++ tell "\n" ++ tell "getDynLibDir :: IO FilePath\n" ++ tell "getDynLibDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_dynlibdir\") (\\_ -> return dynlibdir)\n" ++ return () ++ else do ++ return () + tell "\n" +- tell "sysconfdir = " +- tell (zSysconfdir z_root) ++ if (zShouldEmitDataDir z_root) ++ then do ++ tell "datadir :: FilePath\n" ++ tell "datadir = " ++ tell (zDatadir z_root) ++ tell "\n" ++ tell "getDataDir :: IO FilePath\n" ++ tell "getDataDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_datadir\") (\\_ -> return datadir)\n" ++ return () ++ else do ++ return () + tell "\n" ++ if (zShouldEmitLibexecDir z_root) ++ then do ++ tell "libexecdir :: FilePath\n" ++ tell "libexecdir = " ++ tell (zLibexecdir z_root) ++ tell "\n" ++ tell "getLibexecDir :: IO FilePath\n" ++ tell "getLibexecDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_libexecdir\") (\\_ -> return libexecdir)\n" ++ return () ++ else do ++ return () + tell "\n" +- tell "getBinDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_bindir\") (\\_ -> return bindir)\n" +- tell "getLibDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_libdir\") (\\_ -> return libdir)\n" +- tell "getDynLibDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_dynlibdir\") (\\_ -> return dynlibdir)\n" +- tell "getDataDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_datadir\") (\\_ -> return datadir)\n" +- tell "getLibexecDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_libexecdir\") (\\_ -> return libexecdir)\n" +- tell "getSysconfDir = catchIO (getEnv \"" +- tell (zManglePkgName z_root (zPackageName z_root)) +- tell "_sysconfdir\") (\\_ -> return sysconfdir)\n" ++ if (zShouldEmitSysconfDir z_root) ++ then do ++ tell "sysconfdir :: FilePath\n" ++ tell "sysconfdir = " ++ tell (zSysconfdir z_root) ++ tell "\n" ++ tell "getSysconfDir :: IO FilePath\n" ++ tell "getSysconfDir = catchIO (getEnv \"" ++ tell (zManglePkgName z_root (zPackageName z_root)) ++ tell "_sysconfdir\") (\\_ -> return sysconfdir)\n" ++ return () ++ else do ++ return () + tell "\n" + return () + else do + if (zIsWindows z_root) + then do ++ tell "\n" + tell "\n" + tell "prefix :: FilePath\n" + tell "prefix = " + tell (zPrefix z_root) + tell "\n" + tell "\n" ++ tell "getBinDir :: IO FilePath\n" + tell "getBinDir = getPrefixDirRel $ " + tell (zBindir z_root) + tell "\n" ++ tell "getLibDir :: IO FilePath\n" + tell "getLibDir = " + tell (zLibdir z_root) + tell "\n" ++ tell "getDynLibDir :: IO FilePath\n" + tell "getDynLibDir = " + tell (zDynlibdir z_root) + tell "\n" ++ tell "getDataDir :: IO FilePath\n" + tell "getDataDir = catchIO (getEnv \"" + tell (zManglePkgName z_root (zPackageName z_root)) + tell "_datadir\") (\\_ -> " + tell (zDatadir z_root) + tell ")\n" ++ tell "getLibexecDir :: IO FilePath\n" + tell "getLibexecDir = " + tell (zLibexecdir z_root) + tell "\n" ++ tell "getSysconfDir :: IO FilePath\n" + tell "getSysconfDir = " + tell (zSysconfdir z_root) + tell "\n" +diffcabal-dev-scripts/src/GenPathsModule.hs b/cabal-dev-scripts/src/GenPathsModule.hs +index e4b930635..9b978f284 100644 +--- a/libraries/Cabal/cabal-dev-scripts/src/GenPathsModule.hs ++++ b/libraries/Cabal/cabal-dev-scripts/src/GenPathsModule.hs +@@ -41,6 +41,16 @@ $(capture "decls" [d| + , zLibexecdir :: FilePath + , zSysconfdir :: FilePath + ++ , zShouldEmitLibDir :: Bool ++ , zShouldEmitDynLibDir :: Bool ++ , zShouldEmitLibexecDir :: Bool ++ , zShouldEmitDataDir :: Bool ++ , zShouldEmitSysconfDir :: Bool ++ ++ , zShouldEmitWarning :: Bool ++ , zWarning :: String ++ ++ , zOr :: Bool -> Bool -> Bool + , zNot :: Bool -> Bool + , zManglePkgName :: PackageName -> String + } +difftemplates/Paths_pkg.template.hs b/templates/Paths_pkg.template.hs +index 6bc6b7875..aa90a9382 100644 +--- a/libraries/Cabal/templates/Paths_pkg.template.hs ++++ b/libraries/Cabal/templates/Paths_pkg.template.hs +@@ -9,10 +9,31 @@ + {% endif %} + {-# OPTIONS_GHC -fno-warn-missing-import-lists #-} + {-# OPTIONS_GHC -w #-} +-module Paths_{{ manglePkgName packageName }} ( ++module Paths_{{ manglePkgName packageName }} ++ {% if shouldEmitWarning %}{-# WARNING {{ warning }} #-}{% endif %} ++ ( + version, +- getBinDir, getLibDir, getDynLibDir, getDataDir, getLibexecDir, +- getDataFileName, getSysconfDir ++ getBinDir, ++{# We only care about the absolute case for our emit logic, since only in this ++ case references are incurred. We are not going to hit isWindows and relocatable ++ has no absolute references to begin with. ++#} ++{% if or (not absolute) shouldEmitLibDir %} ++ getLibDir, ++{% endif %} ++{% if or (not absolute) shouldEmitDynLibDir %} ++ getDynLibDir, ++{% endif %} ++{% if or (not absolute) shouldEmitLibexecDir %} ++ getLibexecDir, ++{% endif %} ++{% if or (not absolute) shouldEmitDataDir %} ++ getDataFileName, ++ getDataDir, ++{% endif %} ++{% if or (not absolute) shouldEmitSysconfDir %} ++ getSysconfDir ++{% endif %} + ) where + + {% if not absolute %} +@@ -51,12 +72,12 @@ catchIO = Exception.catch + version :: Version + version = Version {{ versionDigits }} [] + ++{% if or (not absolute) shouldEmitDataDir %} + getDataFileName :: FilePath -> IO FilePath + getDataFileName name = do + dir <- getDataDir + return (dir `joinFileName` name) +- +-getBinDir, getLibDir, getDynLibDir, getDataDir, getLibexecDir, getSysconfDir :: IO FilePath ++{% endif %} + + {% defblock function_defs %} + minusFileName :: FilePath -> String -> FilePath +@@ -85,48 +106,93 @@ splitFileName p = (reverse (path2++drive), reverse fname) + + {% if relocatable %} + ++{# Relocatable can not incur any absolute references, so we can ignore it. ++ Additionally, --enable-relocatable is virtually useless in Nix builds ++#} ++ + getPrefixDirReloc :: FilePath -> IO FilePath + getPrefixDirReloc dirRel = do + exePath <- getExecutablePath + let (dir,_) = splitFileName exePath + return ((dir `minusFileName` {{ bindir }}) `joinFileName` dirRel) + ++getBinDir :: IO FilePath + getBinDir = catchIO (getEnv "{{ manglePkgName packageName }}_bindir") (\_ -> getPrefixDirReloc $ {{ bindir }}) ++getLibDir :: IO FilePath + getLibDir = catchIO (getEnv "{{ manglePkgName packageName }}_libdir") (\_ -> getPrefixDirReloc $ {{ libdir }}) ++getDynLibDir :: IO FilePath + getDynLibDir = catchIO (getEnv "{{ manglePkgName packageName }}_dynlibdir") (\_ -> getPrefixDirReloc $ {{ dynlibdir }}) ++getDataDir :: IO FilePath + getDataDir = catchIO (getEnv "{{ manglePkgName packageName }}_datadir") (\_ -> getPrefixDirReloc $ {{ datadir }}) ++getLibexecDir :: IO FilePath + getLibexecDir = catchIO (getEnv "{{ manglePkgName packageName }}_libexecdir") (\_ -> getPrefixDirReloc $ {{ libexecdir }}) ++getSysconfDir :: IO FilePath + getSysconfDir = catchIO (getEnv "{{ manglePkgName packageName }}_sysconfdir") (\_ -> getPrefixDirReloc $ {{ sysconfdir }}) + + {% useblock function_defs %} + + {% elif absolute %} + +-bindir, libdir, dynlibdir, datadir, libexecdir, sysconfdir :: FilePath ++bindir :: FilePath + bindir = {{ bindir }} +-libdir = {{ libdir }} +-dynlibdir = {{ dynlibdir }} +-datadir = {{ datadir }} +-libexecdir = {{ libexecdir }} +-sysconfdir = {{ sysconfdir }} +- ++getBinDir :: IO FilePath + getBinDir = catchIO (getEnv "{{ manglePkgName packageName }}_bindir") (\_ -> return bindir) ++ ++{% if shouldEmitLibDir %} ++libdir :: FilePath ++libdir = {{ libdir }} ++getLibDir :: IO FilePath + getLibDir = catchIO (getEnv "{{ manglePkgName packageName }}_libdir") (\_ -> return libdir) ++{% endif %} ++ ++{% if shouldEmitDynLibDir %} ++dynlibdir :: FilePath ++dynlibdir = {{ dynlibdir }} ++getDynLibDir :: IO FilePath + getDynLibDir = catchIO (getEnv "{{ manglePkgName packageName }}_dynlibdir") (\_ -> return dynlibdir) ++{% endif %} ++ ++{% if shouldEmitDataDir %} ++datadir :: FilePath ++datadir = {{ datadir }} ++getDataDir :: IO FilePath + getDataDir = catchIO (getEnv "{{ manglePkgName packageName }}_datadir") (\_ -> return datadir) ++{% endif %} ++ ++{% if shouldEmitLibexecDir %} ++libexecdir :: FilePath ++libexecdir = {{ libexecdir }} ++getLibexecDir :: IO FilePath + getLibexecDir = catchIO (getEnv "{{ manglePkgName packageName }}_libexecdir") (\_ -> return libexecdir) ++{% endif %} ++ ++{% if shouldEmitSysconfDir %} ++sysconfdir :: FilePath ++sysconfdir = {{ sysconfdir }} ++getSysconfDir :: IO FilePath + getSysconfDir = catchIO (getEnv "{{ manglePkgName packageName }}_sysconfdir") (\_ -> return sysconfdir) ++{% endif %} + + {% elif isWindows %} + ++{# We are only trying to fix the problem for aarch64-darwin with this patch, ++ so let's ignore Windows which we can reach via pkgsCross, for example. ++#} ++ + prefix :: FilePath + prefix = {{ prefix }} + ++getBinDir :: IO FilePath + getBinDir = getPrefixDirRel $ {{ bindir }} ++getLibDir :: IO FilePath + getLibDir = {{ libdir }} ++getDynLibDir :: IO FilePath + getDynLibDir = {{ dynlibdir }} ++getDataDir :: IO FilePath + getDataDir = catchIO (getEnv "{{ manglePkgName packageName }}_datadir") (\_ -> {{ datadir }}) ++getLibexecDir :: IO FilePath + getLibexecDir = {{ libexecdir }} ++getSysconfDir :: IO FilePath + getSysconfDir = {{ sysconfdir }} + + getPrefixDirRel :: FilePath -> IO FilePath |