Hi, Can I enable/ disable executable by flags ? eg this way: ============= ======================================================= Name: xxxxxxxxxxxxx category: web application version: 0.0.1 Cabal-Version: >=1.2 build-type: Simple LICENSE: GPL extensions: CPP cpp-options: -DSSTRING=B.ByteString -DLSTRING=L.ByteString Flag testing Default: True Description build testing application as well executable YYYYYYYYYYy main-is: YYYYYYYYYYy.hs hs-source-dirs: src build-depends: base , HList -- , HaXml == 1.19 , filepath , mtl , containers , template-haskell , directory , HAppS-Server , HAppS-Data , HAppS-State , type-level include-dirs: include extra-source-files: include/vxmldos.h -- strict and lazy strings beeing used if flag(testing) executable test main-is: test.hs hs-source-dirs: test, src build-depends: base , HList -- , HaXml == 1.19 , filepath , mtl , containers , template-haskell , directory , HAppS-Server , HAppS-Data , HAppS-State , type-level include-dirs: include extra-source-files: include/vxmldos.h -- strict and lazy strings beeing used ============= ======================================================= By the way this results in marc@mail: /pr/haskell/waskaufeichwo ]$ sConfigure bash: /home/marc/ghc69/bin/ghc-pkg: No such file or directory setup: 'parseField' called on a non-field. Consider this a bug. ^^^^^^^^^^^^^^^^^^^ Don't think its harmfull marc@mail: /pr/haskell/waskaufeichwo ]$ ./setup --version Cabal library version 1.5.5 Do you build test tests this way as well? Marc