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Don't buffer build.log (fixes #75)

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This commit is contained in:
Michael Snoyman 2013-05-21 07:49:40 +03:00
parent d63bab8194
commit 5c5406358f
1 changed files with 5 additions and 2 deletions
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7
Stackage/Build.hs
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@ -12,8 +12,9 @@ import Stackage.InstallInfo
import Stackage.Types
import Stackage.Util
import System.Exit (ExitCode (ExitSuccess), exitWith)
import System.IO (IOMode (WriteMode), hPutStrLn,
withBinaryFile)
import System.IO (BufferMode (NoBuffering),
IOMode (WriteMode), hPutStrLn,
hSetBuffering, withBinaryFile)
import System.Process (rawSystem, runProcess,
waitForProcess)
@ -48,6 +49,8 @@ build settings' bp = do
let installBuildTool tool = do
putStrLn $ "Installing build tool: " ++ tool
ec <- withBinaryFile "build-tools.log" WriteMode $ \handle -> do
hSetBuffering handle NoBuffering
let args = addCabalArgs settings BSBuild
$ "install"
: ("--cabal-lib-version=" ++ libVersion)