Attempting to fix build issues for travis

.travis.yml

@@ -13,6 +13,7 @@ before_install:
  - travis_retry sudo add-apt-repository -y ppa:hvr/ghc
  - travis_retry sudo apt-get update
  - travis_retry sudo apt-get install cabal-install-$CABALVER ghc-$GHCVER # see note about happy/alex
+ - travis_retry sudo apt-get install libmagic-dev
  - travis_retry git clone http://www.github.com/zeromq/zeromq4-x.git libzmq
  - export OLDPWD=$(pwd) && cd libzmq && travis_retry ./autogen.sh && travis_retry ./configure && make && travis_retry sudo make install && travis_retry sudo ldconfig && cd $OLDPWD
  - export PATH=/opt/ghc/$GHCVER/bin:/opt/cabal/$CABALVER/bin:$PATH
@@ -29,11 +30,12 @@ install:
  - echo "$(ghc --version) [$(ghc --print-project-git-commit-id 2> /dev/null || echo '?')]"
  - travis_retry cabal update
  - travis_retry cabal install cpphs
+ - travis_retry cabal install gtk2hs-buildtools
 
 # Here starts the actual work to be performed for the package under test; any command which exits with a non-zero exit code causes the build to fail.
 script:
- - ./build.sh all
- - ./build.sh display
+ - travis_retry ./build.sh all
+ - travis_retry ./build.sh display
  - cabal sdist
 
 # The following scriptlet checks that the resulting source distribution can be built & installed

src/IHaskell/Eval/Util.hs

@@ -90,8 +90,10 @@ pprDynFlags show_all dflags =
   vcat [
      text "GHCi-specific dynamic flag settings:" $$
          nest 2 (vcat (map (setting gopt) ghciFlags)),
+#if MIN_VERSION_ghc(7,8,0)
      text "other dynamic, non-language, flag settings:" $$
          nest 2 (vcat (map (setting gopt) others)),
+#endif
      text "warning settings:" $$
          nest 2 (vcat (map (setting wopt) DynFlags.fWarningFlags))
   ]