<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Cool, I was wondering how to run ghc-pkg. The output is <a href="http://lpaste.net/8410752052514258944" class="">here</a>. <div class=""><br class=""></div><div class="">After some playing around, I got aeson and my library to install. For future reference, I had to do something along the line of:</div><div class=""><br class=""></div><div class="">arm-apple-darwin10-ghc-pkg unregister aeson</div><div class="">i386-apple-darwin11-ghc-pkg unregister aeson</div><div class="">arm-apple-darwin10-ghc-pkg unregister attoparsec</div><div class="">i386-apple-darwin11-ghc-pkg unregister attoparsec</div><div class=""><br class=""></div><div class="">I also had to add the following constraints to aeson-0.8.0.2:</div><div class=""><br class=""></div><div class="">attoparsec == 0.12.1.2</div><div class="">dlist == 0.7.1</div><div class="">syb == 0.4.4</div><div class=""><br class=""></div><div class="">As an aside, I keep seeing the following warning:</div><div class=""><br class=""></div><div class=""><div class="">ld: warning: directory not found for option '-L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/usr/lib/'<br class=""><div class=""><br class=""></div><div class="">The specified directory doesn’t exist, but the following does for me (XCode 6.4). Do I need to change some configuration?</div><div class=""><br class=""></div><div class="">/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/lib</div><div class=""><br class=""></div><div class="">JP</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Aug 18, 2015, at 6:57 PM, Manuel Gómez <<a href="mailto:targen@gmail.com" class="">targen@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">On Tue, Aug 18, 2015 at 4:51 PM, James Parker <<a href="mailto:jp@jamesparker.me" class="">jp@jamesparker.me</a>> wrote:<br class=""><blockquote type="cite" class="">I’m attempting to install aeson as a dependency for another library with<br class="">cabal-ios. I’m somewhat confused because I believe I’ve installed aeson<br class="">(after removing the template haskell), but when I try to build my library,<br class="">it attempts to install aeson again. Does anyone have any suggestions? You<br class="">can find the build logs here.<br class=""></blockquote><br class="">What do these print?<br class=""><br class=""> i386-apple-darwin11-ghc-pkg list<br class=""><br class=""> arm-apple-darwin10-ghc-pkg list<br class=""></div></blockquote></div><br class=""></div></div></div></body></html>