diff --git a/.travis.yml b/.travis.yml
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,25 +1,87 @@
-language: haskell
-before_install:
-  # Uncomment whenever hackage is down.
-  # - mkdir -p ~/.cabal && cp travis/config ~/.cabal/config && cabal update
+# This Travis job script has been generated by a script via
+#
+#   make_travis_yml_2.hs 'optimization.cabal'
+#
+# For more information, see https://github.com/hvr/multi-ghc-travis
+#
+language: c
+sudo: false
 
-  # Try installing some of the build-deps with apt-get for speed.
-  - travis/cabal-apt-install $mode
+git:
+  submodules: false  # whether to recursively clone submodules
 
+cache:
+  directories:
+    - $HOME/.cabal/packages
+    - $HOME/.cabal/store
+
+before_cache:
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/build-reports.log
+  # remove files that are regenerated by 'cabal update'
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/00-index.*
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/*.json
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.cache
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar
+  - rm -fv $HOME/.cabal/packages/hackage.haskell.org/01-index.tar.idx
+
+matrix:
+  include:
+    - compiler: "ghc-7.8.4"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-7.8.4], sources: [hvr-ghc]}}
+    - compiler: "ghc-7.10.3"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-7.10.3], sources: [hvr-ghc]}}
+    - compiler: "ghc-8.0.2"
+    # env: TEST=--disable-tests BENCH=--disable-benchmarks
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.0.2], sources: [hvr-ghc]}}
+
+before_install:
+ - HC=${CC}
+ - unset CC
+ - PATH=/opt/ghc/bin:/opt/ghc-ppa-tools/bin:$PATH
+ - PKGNAME='optimization'
+
 install:
-  - cabal configure $mode
-  - cabal build
+ - cabal --version
+ - echo "$(${HC} --version) [$(${HC} --print-project-git-commit-id 2> /dev/null || echo '?')]"
+ - BENCH=${BENCH---enable-benchmarks}
+ - TEST=${TEST---enable-tests}
+ - travis_retry cabal update -v
+ - sed -i 's/^jobs:/-- jobs:/' ${HOME}/.cabal/config
+ - rm -fv cabal.project.local
+ - "echo 'packages: .' > cabal.project"
+ - rm -f cabal.project.freeze
+ - cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks --dep -j2
 
+# 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:
-  - $script && hlint src --cpp-define HLINT
+ - if [ -f configure.ac ]; then autoreconf -i; fi
+ - rm -rf dist/
+ - cabal sdist # test that a source-distribution can be generated
+ - cd dist/
+ - SRCTAR=(${PKGNAME}-*.tar.gz)
+ - SRC_BASENAME="${SRCTAR/%.tar.gz}"
+ - tar -xvf "./$SRC_BASENAME.tar.gz"
+ - cd "$SRC_BASENAME/"
+## from here on, CWD is inside the extracted source-tarball
+ - rm -fv cabal.project.local
+ - "echo 'packages: .' > cabal.project"
+ # this builds all libraries and executables (without tests/benchmarks)
+ - rm -f cabal.project.freeze
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks
+ # this builds all libraries and executables (including tests/benchmarks)
+ # - rm -rf ./dist-newstyle
+ - cabal new-build -w ${HC} ${TEST} ${BENCH}
 
-notifications:
-  irc:
-    channels:
-      - "irc.freenode.org#haskell-lens"
-    skip_join: true
-    template:
-      - "\x0313foo\x03/\x0306%{branch}\x03 \x0314%{commit}\x03 %{build_url} %{message}"
+ # there's no 'cabal new-test' yet, so let's emulate for now
+ - TESTS=( $(awk 'tolower($0) ~ /^test-suite / { print $2 }' *.cabal) )
+ - if [ "$TEST" != "--enable-tests" ]; then TESTS=(); fi
+ - shopt -s globstar;
+   RC=true; for T in ${TESTS[@]}; do echo "== $T ==";
+   if dist-newstyle/build/**/$SRC_BASENAME/**/build/$T/$T; then echo "= $T OK =";
+   else echo "= $T FAILED ="; RC=false; fi; done; $RC
 
-env:
-  - mode="--enable-tests" script="cabal test"
+# EOF
diff --git a/Setup.hs b/Setup.hs
new file mode 100644
--- /dev/null
+++ b/Setup.hs
@@ -0,0 +1,2 @@
+import Distribution.Simple
+main = defaultMain
diff --git a/Setup.lhs b/Setup.lhs
deleted file mode 100644
--- a/Setup.lhs
+++ /dev/null
@@ -1,44 +0,0 @@
-#!/usr/bin/runhaskell
-\begin{code}
-{-# OPTIONS_GHC -Wall #-}
-module Main (main) where
-
-import Data.List ( nub )
-import Data.Version ( showVersion )
-import Distribution.Package ( PackageName(PackageName), PackageId, InstalledPackageId, packageVersion, packageName )
-import Distribution.PackageDescription ( PackageDescription(), TestSuite(..) )
-import Distribution.Simple ( defaultMainWithHooks, UserHooks(..), simpleUserHooks )
-import Distribution.Simple.Utils ( rewriteFile, createDirectoryIfMissingVerbose )
-import Distribution.Simple.BuildPaths ( autogenModulesDir )
-import Distribution.Simple.Setup ( BuildFlags(buildVerbosity), fromFlag )
-import Distribution.Simple.LocalBuildInfo ( withLibLBI, withTestLBI, LocalBuildInfo(), ComponentLocalBuildInfo(componentPackageDeps) )
-import Distribution.Verbosity ( Verbosity )
-import System.FilePath ( (</>) )
-
-main :: IO ()
-main = defaultMainWithHooks simpleUserHooks
-  { buildHook = \pkg lbi hooks flags -> do
-     generateBuildModule (fromFlag (buildVerbosity flags)) pkg lbi
-     buildHook simpleUserHooks pkg lbi hooks flags
-  }
-
-generateBuildModule :: Verbosity -> PackageDescription -> LocalBuildInfo -> IO ()
-generateBuildModule verbosity pkg lbi = do
-  let dir = autogenModulesDir lbi
-  createDirectoryIfMissingVerbose verbosity True dir
-  withLibLBI pkg lbi $ \_ libcfg -> do
-    withTestLBI pkg lbi $ \suite suitecfg -> do
-      rewriteFile (dir </> "Build_" ++ testName suite ++ ".hs") $ unlines
-        [ "module Build_" ++ testName suite ++ " where"
-        , "deps :: [String]"
-        , "deps = " ++ (show $ formatdeps (testDeps libcfg suitecfg))
-        ]
-  where
-    formatdeps = map (formatone . snd)
-    formatone p = case packageName p of
-      PackageName n -> n ++ "-" ++ showVersion (packageVersion p)
-
-testDeps :: ComponentLocalBuildInfo -> ComponentLocalBuildInfo -> [(InstalledPackageId, PackageId)]
-testDeps xs ys = nub $ componentPackageDeps xs ++ componentPackageDeps ys
-
-\end{code}
diff --git a/optimization.cabal b/optimization.cabal
--- a/optimization.cabal
+++ b/optimization.cabal
@@ -1,6 +1,6 @@
 name:          optimization
 category:      Math
-version:       0.1.7
+version:       0.1.9
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
@@ -11,6 +11,7 @@
 bug-reports:   http://github.com/bgamari/optimization/issues
 copyright:     Copyright (C) 2013 Ben Gamari
 synopsis:      Numerical optimization
+tested-with:   GHC==7.8.4, GHC==7.10.3, GHC==8.0.2
 description:
   These are a set of implementations of various numerical optimization
   methods in Haskell. Note that these implementations were originally
@@ -21,9 +22,14 @@
   a number of optimization techniques from the modern optimization
   literature.
   .
-  A deep introduction to optimization can be found in Boyd and Vandenberghe's
-  *Convex Optimization* which available freely online,
-  (<http://web.stanford.edu/~boyd/cvxbook/>).
+  Those seeking a high-level overview of some of these methods are
+  referred to Stephen Wright's excellent tutorial from NIPS 2010
+  <http://videolectures.net/nips2010_wright_oaml/>. A deeper
+  introduction can be found in Boyd and Vandenberghe's /Convex
+  Optimization/ which available freely online,
+  <http://web.stanford.edu/~boyd/cvxbook/>. Vandenberghe's lecture
+  at the 2009 Machine Learning Summer School may also be of interest
+  <http://videolectures.net/mlss09uk_vandenberghe_co/>.
 
 build-type:    Simple
 
@@ -49,10 +55,10 @@
   build-depends:
     base                >= 4.4          && < 5,
     vector              >= 0.10         && < 1.0,
-    ad                  >= 3.4          && < 4.3,
+    ad                  >= 3.4          && < 4.4,
     linear              >= 1.16         && < 2.0,
     semigroupoids       >= 3.0          && < 6.0,
-    distributive        >= 0.3          && < 0.5
+    distributive        >= 0.3          && < 0.6
 
   exposed-modules:
     Optimization.LineSearch