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| author | Daniel Gröber <dxld@darkboxed.org> | 2019-12-29 15:55:20 +0100 |
|---|---|---|
| committer | Daniel Gröber <dxld@darkboxed.org> | 2019-12-29 16:35:59 +0100 |
| commit | cd293cc8ef24d5014bdea150f7d315d43126d055 (patch) | |
| tree | fb47d1a4b9cd0dbd92da4e5228dcbd3606f3b9ba /src/CabalHelper/Compiletime/Program | |
| parent | 621f81d9a5b31990c08453c67b26fbfc11ae3bf4 (diff) | |
ghc-session: Get GHC libdir from --print-libdir command
Using ghc-paths bypasses cabal's rebuild checks though, for example,
installing the compiler into a different directory will change the libdir
but cabal won't recompile ghc-paths.
Diffstat (limited to 'src/CabalHelper/Compiletime/Program')
| -rw-r--r-- | src/CabalHelper/Compiletime/Program/GHC.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/CabalHelper/Compiletime/Program/GHC.hs b/src/CabalHelper/Compiletime/Program/GHC.hs index 293d0af..b24222f 100644 --- a/src/CabalHelper/Compiletime/Program/GHC.hs +++ b/src/CabalHelper/Compiletime/Program/GHC.hs @@ -64,6 +64,10 @@ ghcVersion :: (Verbose, Progs) => IO GhcVersion ghcVersion = GhcVersion . parseVer . trim <$> readProcess' (ghcProgram ?progs) ["--numeric-version"] "" +ghcLibdir :: (Verbose, Progs) => IO FilePath +ghcLibdir = do + trim <$> readProcess' (ghcProgram ?progs) ["--print-libdir"] "" + ghcPkgVersion :: (Verbose, Progs) => IO Version ghcPkgVersion = parseVer . trim . dropWhile (not . isDigit) |