diff --git a/.appveyor.yml b/.appveyor.yml
index e6cc8abe7..c4a53813c 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -73,7 +73,6 @@ build_script:
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-11/recipe-04'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-11/recipe-05'"
     ) else (
-      bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-14/recipe-*'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-01/recipe-*'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-02/recipe-*'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-03/recipe-*'" &&
@@ -86,7 +85,8 @@ build_script:
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-10/recipe-*'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-11/recipe-0[1-3]'" &&
       bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-12/recipe-*'" &&
-      bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-13/recipe-*'"
+      bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-13/recipe-*'" &&
+      bash -c "cd /c/projects/cmake-cookbook-no-symlinks && pipenv run python testing/collect_tests.py 'chapter-14/recipe-*'"
     )
 
 deploy: off
diff --git a/.circleci/config.yml b/.circleci/config.yml
index 7fb449076..14cec9a4b 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -47,7 +47,7 @@ variables:
         pipenv run python testing/collect_tests.py 'chapter-08/recipe-*' &&
         pipenv run python testing/collect_tests.py 'chapter-09/recipe-*' &&
         pipenv run python testing/collect_tests.py 'chapter-10/recipe-*' &&
-        pipenv run python testing/collect_tests.py 'chapter-11/recipe-0[1,3]' &&
+        pipenv run python testing/collect_tests.py 'chapter-11/recipe-0[1-3]' &&
         pipenv run python testing/collect_tests.py 'chapter-12/recipe-*' &&
         pipenv run python testing/collect_tests.py 'chapter-13/recipe-*' &&
         pipenv run python testing/collect_tests.py 'chapter-14/recipe-*'
diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 000000000..73a5e4bea
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,23 @@
+# EditorConfig is awesome: https://EditorConfig.org
+
+# top-most EditorConfig file
+root = true
+
+[*]
+charset = utf-8
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+
+[*.py]
+indent_size = 4
+
+[*.{c,h,cpp,hpp,f90,F90}]
+indent_size = 2
+
+[*.rst]
+indent_size = 3
+tab_size = 3
+
+[*.yml]
+indent_size = 2
diff --git a/.travis.yml b/.travis.yml
index 3b7f4effb..4e4fa6ddc 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,42 +10,44 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
           packages:
+            - chrpath
             - doxygen
             - g++-7
             - g++-mingw-w64
+            - gcc-7
             - gcc-mingw-w64
-            - gfortran
             - gfortran-7
             - gfortran-mingw-w64
             - graphviz
             - libatlas-dev
-            - libboost1.55-all-dev
+            - libboost-filesystem-dev
+            - libboost-python-dev
+            - libboost-test-dev
             - liblapack-dev
             - liblapacke-dev
             - libopenmpi-dev
-            - libpython3-all-dev
+            - libpython3.5-dev
             - libzmq3-dev
             - openmpi-bin
             - pkg-config
-            - python3
-            - python3-dev
+            - python3.5-dev
             - rpm
             - uuid-dev
       env:
-        - CMAKE_VERSION="3.11.2"
+        - CMAKE_VERSION="3.12.1"
         - CMAKE_GENERATOR="Unix Makefiles"
         - BUILDFLAGS="VERBOSE=1"
     - os: linux
       addons: *1
       env:
-        - CMAKE_VERSION="3.11.2"
+        - CMAKE_VERSION="3.12.1"
         - CMAKE_GENERATOR="Unix Makefiles"
         - BUILDFLAGS="VERBOSE=1"
         - ANACONDA_TESTS_ONLY=1
     - os: linux
       addons: *1
       env:
-        - CMAKE_VERSION="3.11.2"
+        - CMAKE_VERSION="3.12.1"
         - CMAKE_GENERATOR="Ninja"
         - BUILDFLAGS="-v"
     - os: linux
@@ -89,7 +91,7 @@ cache:
   pip: true
   directories:
     - $HOME/Deps/cmake/3.5.2
-    - $HOME/Deps/cmake/3.11.2
+    - $HOME/Deps/cmake/3.12.1
     - $HOME/Deps/eigen
     - $HOME/Deps/ninja
     - $HOME/Deps/conda
@@ -101,10 +103,17 @@ env:
     - LANG="en_US.UTF-8"
     - LANGUAGE="en_US.UTF-8"
     - PYTHONIOENCODING=UTF-8
+    # Invalidate PYENV_ROOT
+    - PYENV_ROOT=$HOME/fuffa
 
 before_install:
   # Dependencies are downloaded in $HOME/Downloads and installed in $HOME/Deps
   - mkdir -p $HOME/Downloads $HOME/Deps
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+      export PYTHON3="/usr/bin/python3.5";
+    else
+      export PYTHON3="/usr/local/bin/python3";
+    fi
 
 install:
   - ./testing/dependencies/travis/install.sh
@@ -113,33 +122,33 @@ install:
   - ./testing/dependencies/travis/anaconda.sh
   - ./testing/dependencies/travis/eigen.sh
   - export PATH=$HOME/Deps/cmake/$CMAKE_VERSION/bin${PATH:+:$PATH}
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
-      pipenv install --python `type -P python3.4`;
-    else
-      pipenv install --three;
-    fi
+  - pipenv install --python $PYTHON3
   - pipenv run python --version
 
 before_script:
-  - test -n $CC && unset CC
-  - test -n $CXX && unset CXX
-  - test -n $FC && unset FC
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then
+      test -n $CC && unset CC && export CC=gcc-7;
+      test -n $CXX && unset CXX && export CXX=g++-7;
+      test -n $FC && unset FC && export FC=gfortran-7;
+    else
+      test -n $CC && unset CC && export CC=gcc;
+      test -n $CXX && unset CXX && export CXX=g++;
+      test -n $FC && unset FC && export FC=gfortran;
+    fi
 
 script:
   - ./testing/dependencies/report_versions.sh
   - if [[ "$ANACONDA_TESTS_ONLY" == 1 ]]; then
-      travis_wait 20 pipenv run python testing/collect_tests.py 'chapter-11/recipe-04';
+      travis_wait 20 pipenv run python testing/collect_tests.py 'chapter-11/recipe-04' &&
       travis_wait 20 pipenv run python testing/collect_tests.py 'chapter-11/recipe-05';
     else
-      pipenv run python testing/collect_tests.py 'chapter-0[1-7]/recipe-*';
-      pipenv run python testing/collect_tests.py 'chapter-08/recipe-0(1|3|4|6)';
-      travis_wait 30 pipenv run python testing/collect_tests.py 'chapter-08/recipe-0(2|5)';
-      pipenv run python testing/collect_tests.py 'chapter-10/recipe-*';
-      pipenv run python testing/collect_tests.py 'chapter-11/recipe-01*';
-      pipenv run python testing/collect_tests.py 'chapter-11/recipe-02';
-      pipenv run python testing/collect_tests.py 'chapter-11/recipe-03';
-      pipenv run python testing/collect_tests.py 'chapter-12/recipe-*';
-      pipenv run python testing/collect_tests.py 'chapter-13/recipe-*';
+      pipenv run python testing/collect_tests.py 'chapter-0[1-7]/recipe-*' &&
+      pipenv run python testing/collect_tests.py 'chapter-08/recipe-0[1|3-5]' &&
+      travis_wait 30 pipenv run python testing/collect_tests.py 'chapter-08/recipe-02' &&
+      pipenv run python testing/collect_tests.py 'chapter-09/recipe-*' &&
+      pipenv run python testing/collect_tests.py 'chapter-10/recipe-*' &&
+      pipenv run python testing/collect_tests.py 'chapter-11/recipe-0[1-3]' &&
+      pipenv run python testing/collect_tests.py 'chapter-12/recipe-*' &&
+      pipenv run python testing/collect_tests.py 'chapter-13/recipe-*' &&
       pipenv run python testing/collect_tests.py 'chapter-14/recipe-*';
-      pipenv run python testing/collect_tests.py 'chapter-15/recipe-*';
     fi
diff --git a/Pipfile b/Pipfile
index 93d0547db..e7a6d6acf 100644
--- a/Pipfile
+++ b/Pipfile
@@ -13,14 +13,8 @@ colorama = "*"
 cython = "*"
 docopt = "*"
 numpy = "*"
-pathlib = "*"
-pycodestyle = "*"
 pyyaml = "*"
 sphinx = "*"
-sphinx-rtd-theme = "*"
-sphinxcontrib-bibtex = "*"
-typing = "*"
-
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 3f8fd4dac..419858cdc 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,20 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "2119c25ff7ff299852c9bb7bd3b03689f8332009a775d8dfc4780394b6e40b89"
+            "sha256": "620c45be4c55bea470fdc39b72b5e32813431d8bd39e85be8ab5ea1ac0096ebe"
+        },
+        "host-environment-markers": {
+            "implementation_name": "cpython",
+            "implementation_version": "3.6.6",
+            "os_name": "posix",
+            "platform_machine": "x86_64",
+            "platform_python_implementation": "CPython",
+            "platform_release": "4.14.67",
+            "platform_system": "Linux",
+            "platform_version": "#1-NixOS SMP Fri Aug 24 11:09:23 UTC 2018",
+            "python_full_version": "3.6.6",
+            "python_version": "3.6",
+            "sys_platform": "linux"
         },
         "pipfile-spec": 6,
         "requires": {},
@@ -30,61 +43,59 @@
         },
         "breathe": {
             "hashes": [
-                "sha256:76e1f3706efeda2610d9a8e7b421d2877ff0654a3fe6d3190a8686536111a684",
-                "sha256:df5d2edd1cee0045082e550d68bca5ee6bd3a8da009d51212bd0b2fa201ab808"
+                "sha256:17b0aa0569ede04e04d45d27bd4e2353bfaddbee9a28cb01781c8493ef9971d0",
+                "sha256:e94370b8b607a32d9611ed8246e635f02c21dc6847f04e888a00f66a12694eff"
             ],
-            "index": "pypi",
-            "version": "==4.9.1"
+            "version": "==4.10.0"
         },
         "certifi": {
             "hashes": [
-                "sha256:13e698f54293db9f89122b0581843a782ad0934a4fe0172d2a980ba77fc61bb7",
-                "sha256:9fa520c1bacfb634fa7af20a76bcbd3d5fb390481724c597da32c719a7dca4b0"
+                "sha256:456048c7e371c089d0a77a5212fb37a2c2dce1e24146e3b7e0261736aaeaa22a",
+                "sha256:376690d6f16d32f9d1fe8932551d80b23e9d393a8578c5633a2ed39a64861638"
             ],
-            "version": "==2018.4.16"
+            "version": "==2018.8.24"
         },
         "cffi": {
             "hashes": [
-                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
-                "sha256:1553d1e99f035ace1c0544050622b7bc963374a00c467edafac50ad7bd276aef",
                 "sha256:1b0493c091a1898f1136e3f4f991a784437fac3673780ff9de3bcf46c80b6b50",
-                "sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
-                "sha256:3bb6bd7266598f318063e584378b8e27c67de998a43362e8fce664c54ee52d30",
-                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
-                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
-                "sha256:495c5c2d43bf6cebe0178eb3e88f9c4aa48d8934aa6e3cddb865c058da76756b",
-                "sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
-                "sha256:57b2533356cb2d8fac1555815929f7f5f14d68ac77b085d2326b571310f34f6e",
-                "sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
+                "sha256:87f37fe5130574ff76c17cab61e7d2538a16f843bb7bca8ebbc4b12de3078596",
+                "sha256:1553d1e99f035ace1c0544050622b7bc963374a00c467edafac50ad7bd276aef",
+                "sha256:151b7eefd035c56b2b2e1eb9963c90c6302dc15fbd8c1c0a83a163ff2c7d7743",
+                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
+                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
                 "sha256:79f9b6f7c46ae1f8ded75f68cf8ad50e5729ed4d590c74840471fc2823457d04",
+                "sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
+                "sha256:4c91af6e967c2015729d3e69c2e51d92f9898c330d6a851bf8f121236f3defd3",
                 "sha256:7a33145e04d44ce95bcd71e522b478d282ad0eafaf34fe1ec5bbd73e662f22b6",
-                "sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
-                "sha256:87f37fe5130574ff76c17cab61e7d2538a16f843bb7bca8ebbc4b12de3078596",
                 "sha256:95d5251e4b5ca00061f9d9f3d6fe537247e145a8524ae9fd30a2f8fbce993b5b",
-                "sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
-                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
-                "sha256:a6a5cb8809091ec9ac03edde9304b3ad82ad4466333432b16d78ef40e0cce0d5",
-                "sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
-                "sha256:b0f7d4a3df8f06cf49f9f121bead236e328074de6449866515cea4907bbc63d6",
                 "sha256:b75110fb114fa366b29a027d0c9be3709579602ae111ff61674d28c93606acca",
-                "sha256:ba5e697569f84b13640c9e193170e89c13c6244c24400fc57e88724ef610cd31",
+                "sha256:ae5e35a2c189d397b91034642cb0eab0e346f776ec2eb44a49a459e6615d6e2e",
+                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb",
+                "sha256:9d1d3e63a4afdc29bd76ce6aa9d58c771cd1599fbba8cf5057e7860b203710dd",
                 "sha256:be2a9b390f77fd7676d80bc3cdc4f8edb940d8c198ed2d8c0be1319018c778e1",
-                "sha256:ca1bd81f40adc59011f58159e4aa6445fc585a32bb8ac9badf7a2c1aa23822f2",
-                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
+                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
+                "sha256:857959354ae3a6fa3da6651b966d13b0a8bed6bbc87a0de7b38a549db1d2a359",
+                "sha256:2ba8a45822b7aee805ab49abfe7eec16b90587f7f26df20c71dd89e45a97076f",
+                "sha256:a36c5c154f9d42ec176e6e620cb0dd275744aa1d804786a71ac37dc3661a5e95",
                 "sha256:e55e22ac0a30023426564b1059b035973ec82186ddddbac867078435801c7801",
-                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4",
+                "sha256:3eb6434197633b7748cea30bf0ba9f66727cdce45117a712b29a443943733257",
                 "sha256:ecbb7b01409e9b782df5ded849c178a0aa7c906cf8c5a67368047daab282b184",
-                "sha256:ed01918d545a38998bfa5902c7c00e0fee90e957ce036a4000a88e3fe2264917",
-                "sha256:edabd457cd23a02965166026fd9bfd196f4324fe6032e866d0f3bd0301cd486f",
-                "sha256:fdf1c1dc5bafc32bc5d08b054f94d659422b05aba244d6be4ddc1c72d9aa70fb"
+                "sha256:770f3782b31f50b68627e22f91cb182c48c47c02eb405fd689472aa7b7aa16dc",
+                "sha256:d5d8555d9bfc3f02385c1c37e9f998e2011f0db4f90e250e5bc0c0a85a813085",
+                "sha256:3c85641778460581c42924384f5e68076d724ceac0f267d66c757f7535069c93",
+                "sha256:ca1bd81f40adc59011f58159e4aa6445fc585a32bb8ac9badf7a2c1aa23822f2",
+                "sha256:3bb6bd7266598f318063e584378b8e27c67de998a43362e8fce664c54ee52d30",
+                "sha256:a6a5cb8809091ec9ac03edde9304b3ad82ad4466333432b16d78ef40e0cce0d5",
+                "sha256:57b2533356cb2d8fac1555815929f7f5f14d68ac77b085d2326b571310f34f6e",
+                "sha256:495c5c2d43bf6cebe0178eb3e88f9c4aa48d8934aa6e3cddb865c058da76756b",
+                "sha256:e90f17980e6ab0f3c2f3730e56d1fe9bcba1891eeea58966e89d352492cc74f4"
             ],
-            "index": "pypi",
             "version": "==1.11.5"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691",
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae"
             ],
             "version": "==3.0.4"
         },
@@ -93,53 +104,52 @@
                 "sha256:463f8483208e921368c9f306094eb6f725c6ca42b0f97e313cb5d5512459feda",
                 "sha256:48eb22f4f8461b1df5734a074b57042430fb06e1d61bd1e11b078c0fe6d7a1f1"
             ],
-            "index": "pypi",
             "version": "==0.3.9"
         },
         "cython": {
             "hashes": [
-                "sha256:01487236575df8f17b46982071438dce4f7eaf8acc8fb99fca3510d343cd7a28",
-                "sha256:0671d17c7a27634d6819246e535241b951141ed0e3f6f2a6d618fd32344dae3e",
-                "sha256:0e6190d6971c46729f712dd7307a9c0a8c027bfa5b4d8f2edef106b01759926c",
-                "sha256:202587c754901d0678bd6ff89c707f099987928239049a528470c06c6c922cf8",
-                "sha256:345197ba9278cf6a914cb7421dc665a0531a219b0072abf6b0cebfdf68e75725",
-                "sha256:3a296b8d6b02f0e01ab04bedea658f43eef5ad2f8e586a820226ead1a677d9b1",
-                "sha256:484572a2b22823a967be106137a93f7d634db116b3f7accb37dbd760eda2fa9f",
-                "sha256:4c67c9c803e50ceff32cc5e4769c50fc8ae8df9c4e5cc592ce8310b5a1076d23",
-                "sha256:539038087c321911745fc2e77049209b1231300d481cb4d682b2f95c724814b3",
-                "sha256:58113e0683c3688594c112103d7e9f2d0092fd2d8297a220240bea22e184dfdd",
-                "sha256:65cb25ca4284804293a2404d1be3b5a98818be21a72791649bacbcfa4e431d41",
-                "sha256:699e765da2580e34b08473fc0acef3a2d7bcb7f13eb29401cd25236bcf000080",
-                "sha256:6b54c3470810cea49a8be90814d05c5325ceb9c5bf429fd86c36fc1b32dfc157",
-                "sha256:71ac1629e4eae2ed329be8caf45efea10bfe1af3d8767e12e64b83e4ea5a3250",
-                "sha256:722c179d3df8677f3daf45b1a2764678ed4f0aaddbaa7211a8a08ebfd907c0db",
-                "sha256:76ac2b08d3d956d77b574bb43cbf1d37bd58b9d50c04ba281303e695854ebc46",
-                "sha256:7eff1157be9e26bf7494288c89979ca69d593a009e2c7420a739e2cf1e0635f5",
-                "sha256:99546c8696d27d0efa639c77b2f8af6e61dc3a5073caae4f27ffd991ca926f42",
-                "sha256:a0c263b31d335f29c11f4a9e98fbcd908d0731d4ea99bfd27c1c47caaeb4ca2e",
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-                "sha256:f16a87197939977824609005b73f9ebb291b9653a14e5f27afc1c5d6f981ba39"
-            ],
-            "index": "pypi",
-            "version": "==0.28.4"
+                "sha256:13c73e2ffa93a615851e03fad97591954d143b5b62361b9adef81f46a31cd8ef",
+                "sha256:9ec27681c5b1b457aacb1cbda5db04aa28b76da2af6e1e1fd15f233eafe6a0b0",
+                "sha256:13eab5a2835a84ff62db343035603044c908d2b3b6eec09d67fdf9970acf7ac9",
+                "sha256:022592d419fc754509d0e0461eb2958dbaa45fb60d51c8a61778c58994edbe36",
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+                "sha256:e22f21cf92a9f8f007a280e3b3462c886d9068132a6c698dec10ad6125e3ca1e",
+                "sha256:b2ba8310ebd3c0e0b884d5e95bbd99d467d6af922acd1e44fe4b819839b2150e",
+                "sha256:ef86de9299e4ab2ebb129fb84b886bf40b9aced9807c6d6d5f28b46fb905f82c",
+                "sha256:183b35a48f58862c4ec1e821f07bb7b1156c8c8559c85c32ae086f28947474eb",
+                "sha256:693a8619ef066ece055ed065a15cf440f9d3ebd1bca60e87ea19144833756433",
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+                "sha256:cdbb917e41220bd3812234dbe59d15391adbc2c5d91ae11a5273aab9e32ba7ec",
+                "sha256:32de8637f5e6c5a76667bc7c8fc644bd9314dc19af36db8ce30a0b92ada0f642",
+                "sha256:660eeb6870687fd3eda91e00ba4e72220545c254c8c4d967fd0c910f4fbb8cbc",
+                "sha256:9400e5db8383346b0694a3e794d8bded18a27b21123516dcdf4b79d7ec28e98b",
+                "sha256:ee7a9614d51fe16e32ca5befe72e0808baff481791728449d0b17c8b0fe29eb9",
+                "sha256:827d3a91b7a7c31ce69e5974496fd9a8ba28eb498b988affb66d0d30de11d934",
+                "sha256:ea5c16c48e561f4a6f6b8c24807494b77a79e156b8133521c400f22ca712101b",
+                "sha256:4172c183ef4fb2ace6a29cdf7fc9200c5a471a7f775ff691975b774bd9ed3ad2",
+                "sha256:c78ad0df75a9fc03ab28ca1b950c893a208c451a18f76796c3e25817d6994001",
+                "sha256:d2223a80c623e2a8e97953ab945dfaa9385750a494438dcb55562eb1ddd9565a",
+                "sha256:553956ec06ecbd731ef0c538eb28a5b46bedea7ab89b18237ff28b4b99d65eee",
+                "sha256:2f526b0887128bf20ab2acc905a975f62b5a04ab2f63ecbe5a30fc28285d0e0c",
+                "sha256:f3e4860f5458a9875caa3de65e255720c0ed2ce71f0bcdab02497b32104f9db8",
+                "sha256:759c799e9ef418f163b5412e295e14c0a48fe3b4dcba9ab8aab69e9f511cfefd",
+                "sha256:fc6c20a8ac22202a779ad4c59756647be0826993d2151a03c015e76d2368ae5f",
+                "sha256:b64575241f64f6ec005a4d4137339fb0ba5e156e826db2fdb5f458060d9979e0"
+            ],
+            "version": "==0.28.5"
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         "docopt": {
             "hashes": [
                 "sha256:49b3a825280bd66b3aa83585ef59c4a8c82f2c8a522dbe754a8bc8d08c85c491"
             ],
-            "index": "pypi",
             "version": "==0.6.2"
         },
         "docutils": {
             "hashes": [
+                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6",
                 "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274",
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"
+                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274"
             ],
             "version": "==0.14"
         },
@@ -164,13 +174,6 @@
             ],
             "version": "==2.10"
         },
-        "latexcodec": {
-            "hashes": [
-                "sha256:3abc5cdbe4b6344c04a62db98bf30a2f3bc8f5bb9040296aafa39c8eeb737523",
-                "sha256:9607d9d260654eb607c54a8b8c991e4406008605c383ded4f4034522dc0bad7d"
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         "markupsafe": {
             "hashes": [
                 "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
@@ -179,44 +182,36 @@
         },
         "numpy": {
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-            "version": "==0.1.3"
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+                "sha256:36e8dcd1813ca92ce7e4299120cee6c03adad33d89b54862c1b1a100443ac399",
+                "sha256:9473ad28375710ab18378e72b59422399b27e957e9339c413bf00793b4b12df0",
+                "sha256:c81a6afc1d2531a9ada50b58f8c36197f8418ef3d0611d4c1d7af93fdcda764f",
+                "sha256:98b86c62c08c2e5dc98a9c856d4a95329d11b1c6058cb9b5191d5ea6891acd09",
+                "sha256:24e4149c38489b51fc774b1e1faa9103e82f73344d7a00ba66f6845ab4769f3f",
+                "sha256:95b085b253080e5d09f7826f5e27dce067bae813a132023a77b739614a29de6e",
+                "sha256:361370e9b7f5e44c41eee29f2bb5cb3b755abb4b038bce6d6cbe08db7ff9cb74",
+                "sha256:f2362d0ca3e16c37782c1054d7972b8ad2729169567e3f0f4e5dd3cdf85f188e",
+                "sha256:7b9e37f194f8bcdca8e9e6af92e2cbad79e360542effc2dd6b98d63955d8d8a3"
+            ],
+            "version": "==1.15.1"
         },
         "packaging": {
             "hashes": [
@@ -225,34 +220,6 @@
             ],
             "version": "==17.1"
         },
-        "pathlib": {
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-                "sha256:e4b075641c1d68a3e98a6d73ad3d029293fcf9e0773512315ef9c8482f251337"
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-            "version": "==0.2.1"
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                 "sha256:99a8ca03e29851d96616ad0404b4aad7d9ee16f25c9f9708a11faf2810f7b226"
@@ -268,8 +235,13 @@
         },
         "pyparsing": {
             "hashes": [
+                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010",
                 "sha256:0832bcf47acd283788593e7a0f542407bd9550a55a8a8435214a1960e04bcb04",
-                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010"
+                "sha256:9e8143a3e15c13713506886badd96ca4b579a87fbdf49e550dbfc057d6cb218e",
+                "sha256:281683241b25fe9b80ec9d66017485f6deff1af5cde372469134b56ca8447a07",
+                "sha256:b8b3117ed9bdf45e14dcc89345ce638ec7e0e29b2b579fa1ecf32ce45ebac8a5",
+                "sha256:8f1e18d3fd36c6795bb7e02a39fd05c611ffc2596c1e0d995d34d67630426c18",
+                "sha256:e4d45427c6e20a59bf4f88c639dcc03ce30d193112047f94012102f235853a58"
             ],
             "version": "==2.2.0"
         },
@@ -282,19 +254,18 @@
         },
         "pyyaml": {
             "hashes": [
-                "sha256:3d7da3009c0f3e783b2c873687652d83b1bbfd5c88e9813fb7e5b03c0dd3108b",
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-                "sha256:40c71b8e076d0550b2e6380bada1f1cd1017b882f7e16f09a65be98e017f211a",
+                "sha256:d5eef459e30b09f5a098b9cea68bebfeb268697f78d647bd255a085371ac7f3f",
+                "sha256:e01d3203230e1786cd91ccfdc8f8454c8069c91bee3962ad93b87a4b2860f537",
                 "sha256:558dd60b890ba8fd982e05941927a3911dc409a63dcb8b634feaa0cda69330d3",
+                "sha256:d46d7982b62e0729ad0175a9bc7e10a566fc07b224d2c79fafb5e032727eaa04",
                 "sha256:a7c28b45d9f99102fa092bb213aa12e0aaf9a6a1f5e395d36166639c1f96c3a1",
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                 "sha256:bc558586e6045763782014934bfaf39d48b8ae85a2713117d16c39864085c613",
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-                "sha256:d5eef459e30b09f5a098b9cea68bebfeb268697f78d647bd255a085371ac7f3f",
-                "sha256:e01d3203230e1786cd91ccfdc8f8454c8069c91bee3962ad93b87a4b2860f537",
-                "sha256:e170a9e6fcfd19021dd29845af83bb79236068bf5fd4df3327c1be18182b2531"
+                "sha256:40c71b8e076d0550b2e6380bada1f1cd1017b882f7e16f09a65be98e017f211a",
+                "sha256:3d7da3009c0f3e783b2c873687652d83b1bbfd5c88e9813fb7e5b03c0dd3108b",
+                "sha256:e170a9e6fcfd19021dd29845af83bb79236068bf5fd4df3327c1be18182b2531",
+                "sha256:aa7dd4a6a427aed7df6fb7f08a580d68d9b118d90310374716ae90b710280af1",
+                "sha256:3ef3092145e9b70e3ddd2c7ad59bdd0252a94dfe3949721633e41344de00a6bf"
             ],
-            "index": "pypi",
             "version": "==3.13"
         },
         "requests": {
@@ -306,65 +277,37 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb",
+                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9"
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             "version": "==1.11.0"
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         "snowballstemmer": {
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-                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89"
+                "sha256:9f3bcd3c401c3e862ec0ebe6d2c069ebc012ce142cce209c098ccb5b09136e89",
+                "sha256:919f26a68b2c17a7634da993d91339e288964f93c274f1343e3bbbe2096e1128"
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             "version": "==1.2.1"
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         "sphinx": {
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-            "hashes": [
-                "sha256:935a44e68cf79dbeaff14a3be757b9bfdf5b917e7239a84a165c76a4b2accfd8",
-                "sha256:cb9fb4526642fc080204fccd5cd8f41e9e95387278e17b1d6969b1e27c2d3e0c"
+                "sha256:d719de667218d763e8fd144b7fcfeefd8d434a6201f76bf9f0f0c1fa6f47fcdb",
+                "sha256:a07050845cc9a2f4026a6035cc8ed795a5ce7be6528bbc82032385c10807dfe7"
             ],
-            "index": "pypi",
-            "version": "==0.4.0"
+            "version": "==1.7.8"
         },
         "sphinxcontrib-websupport": {
             "hashes": [
                 "sha256:68ca7ff70785cbe1e7bccc71a48b5b6d965d79ca50629606c7861a21b206d9dd",
                 "sha256:9de47f375baf1ea07cdb3436ff39d7a9c76042c10a769c52353ec46e4e8fc3b9"
             ],
-            "markers": "python_version != '3.0.*' and python_version != '3.2.*' and python_version >= '2.7' and python_version != '3.3.*' and python_version != '3.1.*'",
             "version": "==1.1.0"
         },
-        "typing": {
-            "hashes": [
-                "sha256:3a887b021a77b292e151afb75323dea88a7bc1b3dfa92176cff8e44c8b68bddf",
-                "sha256:b2c689d54e1144bbcfd191b0832980a21c2dbcf7b5ff7a66248a60c90e951eb8",
-                "sha256:d400a9344254803a2368533e4533a4200d21eb7b6b729c173bc38201a74db3f2"
-            ],
-            "index": "pypi",
-            "version": "==3.6.4"
-        },
         "urllib3": {
             "hashes": [
-                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf",
-                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5"
+                "sha256:b5725a0bd4ba422ab0e66e89e030c806576753ea3ee08554382c14e685d117b5",
+                "sha256:a68ac5e15e76e7e5dd2b8f94007233e01effe3e50e8daddf69acfd81cb686baf"
             ],
-            "markers": "python_version < '4' and python_version >= '2.6' and python_version != '3.0.*' and python_version != '3.2.*' and python_version != '3.3.*' and python_version != '3.1.*'",
             "version": "==1.23"
         }
     },
diff --git a/chapter-09/recipe-04/cxx-example/menu.yml b/chapter-09/recipe-04/cxx-example/menu.yml
index c6953c09c..15a67b1f7 100644
--- a/chapter-09/recipe-04/cxx-example/menu.yml
+++ b/chapter-09/recipe-04/cxx-example/menu.yml
@@ -3,7 +3,7 @@ appveyor-vs:
     - VERBOSE_OUTPUT: 'True'
   definitions:
     - BOOST_ROOT: 'C:\Libraries\boost_1_67_0'
-    - CMAKE_CXX_FLAGS: '-DBOOST_ALL_NO_LIB'  
+    - CMAKE_CXX_FLAGS: '-DBOOST_ALL_NO_LIB'
     - CMAKE_BUILD_TYPE: 'Release'
     - CMAKE_CONFIGURATION_TYPES: 'Release'
   # fails because packaged boost only provides python27
@@ -24,6 +24,13 @@ circle-pgi:
     - 'Unix Makefiles'
     - 'Ninja'
 
+# Boost.Python version on Travis
+# links against Python 2.7
+travis-linux:
+  failing_generators:
+    - 'Unix Makefiles'
+    - 'Ninja'
+
 travis-osx:
   definitions:
     - BOOST_ROOT: '/usr/local/opt/boost@1.59'
diff --git a/chapter-10/recipe-04/cxx-example/CMakeLists.txt b/chapter-10/recipe-04/cxx-example/CMakeLists.txt
index 3e1d37d04..4b75c64c5 100644
--- a/chapter-10/recipe-04/cxx-example/CMakeLists.txt
+++ b/chapter-10/recipe-04/cxx-example/CMakeLists.txt
@@ -89,12 +89,12 @@ install(
   USE_SOURCE_PERMISSIONS
   )
 
-# patch RPATH of executable
+# Print RPATH of installed executable and run it
 if(UNIX)
-  set(PATCHING_SCRIPT "${CMAKE_CURRENT_LIST_DIR}/cmake/patch_rpath.py")
-  configure_file(cmake/patch_rpath.cmake.in patch_rpath.cmake @ONLY)
+  set(PRINT_SCRIPT "${CMAKE_CURRENT_LIST_DIR}/cmake/print_rpath.py")
+  configure_file(cmake/install_hook.cmake.in install_hook.cmake @ONLY)
   install(
     SCRIPT
-      ${CMAKE_CURRENT_BINARY_DIR}/patch_rpath.cmake
+      ${CMAKE_CURRENT_BINARY_DIR}/install_hook.cmake
     )
 endif()
diff --git a/chapter-10/recipe-04/cxx-example/cmake/install_hook.cmake.in b/chapter-10/recipe-04/cxx-example/cmake/install_hook.cmake.in
new file mode 100644
index 000000000..20b037667
--- /dev/null
+++ b/chapter-10/recipe-04/cxx-example/cmake/install_hook.cmake.in
@@ -0,0 +1,57 @@
+set(_executable ${CMAKE_INSTALL_PREFIX}/@INSTALL_BINDIR@/use_message)
+
+# Look for chrpath, patchelf, otool
+set(_patcher)
+list(APPEND _patchers chrpath patchelf otool)
+foreach(p IN LISTS _patchers)
+  find_program(${p}_FOUND
+    NAMES
+      ${p}
+    )
+  if(${p}_FOUND)
+    set(_patcher ${p})
+    message(STATUS "ELF patching tool ${_patcher} FOUND")
+    break()
+  endif()
+endforeach()
+
+if(NOT _patcher)
+  message(FATAL_ERROR "ELF patching tool NOT FOUND!\nPlease install one of chrpath, patchelf or otool")
+else()
+  find_package(PythonInterp REQUIRED QUIET)
+  execute_process(
+    COMMAND
+      ${PYTHON_EXECUTABLE} @PRINT_SCRIPT@ "${_patcher}" "${_executable}"
+    RESULT_VARIABLE _res
+    OUTPUT_VARIABLE _out
+    ERROR_VARIABLE _err
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    )
+
+  if(_res EQUAL 0)
+    message(STATUS "RPATH for ${_executable} is ${_out}")
+  else()
+    message(STATUS "Something went wrong!")
+    message(STATUS "Standard output from print_rpath.py: ${_out}")
+    message(STATUS "Standard error from print_rpath.py: ${_err}")
+    message(FATAL_ERROR "${_patcher} could NOT obtain RPATH for ${_executable}")
+  endif()
+endif()
+
+# Run use_message from the install directory
+execute_process(
+  COMMAND ${_executable}
+  RESULT_VARIABLE _res
+  OUTPUT_VARIABLE _out
+  ERROR_VARIABLE _err
+  OUTPUT_STRIP_TRAILING_WHITESPACE
+  )
+
+if(_res EQUAL 0)
+  message(STATUS "Running ${_executable}:\n ${_out}")
+else()
+  message(STATUS "Something went wrong!")
+  message(STATUS "Standard output from running ${_executable}:\n ${_out}")
+  message(STATUS "Standard error from running ${_executable}:\n ${_err}")
+  message(FATAL_ERROR "Something went wrong with ${_executable}")
+endif()
diff --git a/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.cmake.in b/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.cmake.in
deleted file mode 100644
index 2e85c2e40..000000000
--- a/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.cmake.in
+++ /dev/null
@@ -1,41 +0,0 @@
-set(STAGED_INSTALL_PREFIX @STAGED_INSTALL_PREFIX@)
-set(INSTALL_LIBDIR @INSTALL_LIBDIR@)
-set(INSTALL_BINDIR @INSTALL_BINDIR@)
-set(PATCHING_SCRIPT @PATCHING_SCRIPT@)
-
-# Look for patchelf, chrpath, install_tool_name
-set(_patcher "")
-list(APPEND _patchers patchelf chrpath install_name_tool)
-foreach(p IN LISTS _patchers)
-  find_program(${p}_FOUND
-    NAMES
-      ${p}
-    )
-  if(${p}_FOUND)
-    set(_patcher ${p})
-    break()
-  endif()
-endforeach()
-
-set(_path_to_remove ${STAGED_INSTALL_PREFIX}/${INSTALL_LIBDIR})
-set(_path_to_add "\$ORIGIN/../${INSTALL_LIBDIR}")
-set(_elfobj ${CMAKE_INSTALL_PREFIX}/${INSTALL_BINDIR}/use_message)
-
-find_package(PythonInterp REQUIRED)
-execute_process(
-  COMMAND
-    ${PYTHON_EXECUTABLE} ${PATCHING_SCRIPT} "${_patcher}" "${_path_to_remove}" "${_path_to_add}" "${_elfobj}"
-  RESULT_VARIABLE _res
-  OUTPUT_VARIABLE _out
-  ERROR_VARIABLE _err
-  OUTPUT_STRIP_TRAILING_WHITESPACE
-  )
-
-if(_res EQUAL 0)
-  message(STATUS "RPATH for ${_elfobj} patched using ${_patcher}")
-else()
-  message(STATUS "Something went wrong!")
-  message(STATUS "Standard output from patch_rpath.py: ${_out}")
-  message(STATUS "Standard error from patch_rpath.py: ${_err}")
-  message(FATAL_ERROR "RPATH for ${_elfobj} could NOT be patched using ${_patcher}")
-endif()
diff --git a/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.py b/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.py
deleted file mode 100644
index b1c9bfd33..000000000
--- a/chapter-10/recipe-04/cxx-example/cmake/patch_rpath.py
+++ /dev/null
@@ -1,70 +0,0 @@
-import functools
-import shlex
-import subprocess
-import sys
-
-
-def streamer(line, *, file_handle=sys.stdout, end='', verbose=True):
-    """
-    Stream a line to file_handle and return the line.
-    """
-    if verbose:
-        print(line, file=file_handle, end=end)
-    return line
-
-
-def run_command(*, command):
-    cmd = shlex.split(command)
-    stdout_streamer = streamer
-    stderr_streamer = functools.partial(streamer, file_handle=sys.stderr)
-    stdout = ''
-    stderr = ''
-    with subprocess.Popen(
-            cmd,
-            bufsize=1,
-            stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE,
-            universal_newlines=True) as child:
-        stdout += ''.join(list(map(stdout_streamer, child.stdout)))
-        stderr = ''.join(list(map(stderr_streamer, child.stderr)))
-
-    if child.returncode == 0:
-        streamer('DONE with {}'.format(command), end='\n')
-    else:
-        streamer(
-            '{cmd}\n {out}{err}'.format(cmd=command, out=stdout, err=stderr),
-            end='\n')
-        raise subprocess.CalledProcessError(child.returncode, child.args)
-
-    return stdout
-
-
-def main():
-    patcher = sys.argv[1]
-    to_remove = sys.argv[2]
-    to_add = sys.argv[3]
-    elfobj = sys.argv[4]
-    if patcher == 'patchelf':
-        streamer('Using patchelf', end='\n')
-        old_rpath = run_command(command='{} --print-rpath {}'.format(patcher, elfobj))
-        new_rpath = old_rpath.replace(to_remove, to_add)
-        _ = run_command(command='{} --set-rpath {} {}'.format(patcher, new_rpath, elfobj))
-        _ = run_command(command='{} --shrink-rpath {}'.format(patcher, elfobj))
-        _ = run_command(command='{} --print-rpath {}'.format(patcher, elfobj))
-    elif patcher == 'chrpath':
-        streamer('Using chrpath', end='\n')
-        old_rpath = run_command(command='{} --list {}'.format(patcher, elfobj))
-        old_rpath = old_rpath.replace('{}: RUNPATH='.format(elfobj), '')
-        new_rpath = old_rpath.replace(to_remove, to_add)
-        _ = run_command(command='{} --replace {} {}'.format(patcher, new_rpath, elfobj))
-        _ = run_command(command='{} --list {}'.format(patcher, elfobj))
-    elif patcher == 'install_tool_name':
-        streamer('Using install_tool_name', end='\n')
-        _ = run_command(command='{} -delete_rpath {} {}'.format(patcher, to_remove, elfobj))
-        _ = run_command(command='{} -add_rpath {} {}'.format(patcher, to_add, elfobj))
-    else:
-        raise RuntimeError('Unknown tool {}'.format(sys.argv[1]))
-
-
-if __name__ == "__main__":
-    main()
diff --git a/chapter-10/recipe-04/cxx-example/cmake/print_rpath.py b/chapter-10/recipe-04/cxx-example/cmake/print_rpath.py
new file mode 100644
index 000000000..a1e91cf35
--- /dev/null
+++ b/chapter-10/recipe-04/cxx-example/cmake/print_rpath.py
@@ -0,0 +1,24 @@
+import shlex
+import subprocess
+import sys
+
+
+def main():
+    patcher = sys.argv[1]
+    elfobj = sys.argv[2]
+
+    tools = {'patchelf': '--print-rpath', 'chrpath': '--list', 'otool': '-L'}
+    if patcher not in tools.keys():
+        raise RuntimeError('Unknown tool {}'.format(patcher))
+    cmd = shlex.split('{:s} {:s} {:s}'.format(patcher, tools[patcher], elfobj))
+    rpath = subprocess.run(
+        cmd,
+        bufsize=1,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.PIPE,
+        universal_newlines=True)
+    print(rpath.stdout)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/chapter-11/recipe-01/cxx-example/menu.yml b/chapter-11/recipe-01/cxx-example/menu.yml
index f6f0c71d2..c9bf31ffc 100644
--- a/chapter-11/recipe-01/cxx-example/menu.yml
+++ b/chapter-11/recipe-01/cxx-example/menu.yml
@@ -3,10 +3,30 @@ targets:
   - test
   - package
 
+appveyor-vs:
+  definitions:
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
+
+appveyor-msys:
+  definitions:
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
+
+travis-linux:
+  definitions:
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
+
+travis-osx:
+  definitions:
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
+
+circle-intel:
+  definitions:
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
+
 # Fails to generate imported target for UUID
 circle-pgi:
   definitions:
-    - CMAKE_INSTALL_PREFIX: $HOME/Software/recipe-01
+    - CMAKE_INSTALL_PREFIX: $HOME/Software/chapter-11/recipe-01
   skip_generators:
     - 'Unix Makefiles'
     - 'Ninja'
diff --git a/chapter-11/recipe-02/cxx-example/custom.sh b/chapter-11/recipe-02/cxx-example/custom.sh
index a569ce72c..35aae7e40 100755
--- a/chapter-11/recipe-02/cxx-example/custom.sh
+++ b/chapter-11/recipe-02/cxx-example/custom.sh
@@ -1,5 +1,7 @@
 #!/usr/bin/env bash
 
+# It's turtles all the way down
+
 set -eu -o pipefail
 
 if [ $# -eq 0 ] ; then
@@ -7,21 +9,26 @@ if [ $# -eq 0 ] ; then
     exit 1
 fi
 
-# Remove symlinks
-script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
-find "$script_dir" -type l -exec sh -c '
-    file=$(basename "$1")
-    directory=${1%/*}
-    (cd "$directory" && cp --remove-destination "$(readlink "$file")" "$file")' sh {} ';'
-
 # build directory is provided by the main script
 build_directory="$1"
 mkdir -p "${build_directory}"
-cd "${build_directory}"
 
-cp ../account/test.py .
+script_directory="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
+
+cd $build_directory
+
+# we tar with --dereference and then untar to get rid of symlinks
+tar --exclude "build-*" --dereference --directory "${script_directory}" -c -f - . | tar -x
+
+# Now make a directory where we test the
+# install in a virtual environment
+mkdir -p venv
+mv account/test.py venv
 
-env PIPENV_MAX_DEPTH=1 pipenv install ..
+cd venv
+export PIPENV_MAX_DEPTH=1
+pipenv install --three ..
 pipenv run python test.py
+pipenv --rm
 
 exit $?
diff --git a/chapter-11/recipe-03/cxx-example/account/__init__.py b/chapter-11/recipe-03/cxx-example/account/__init__.py
index 2b7aa6d11..ccae83967 100644
--- a/chapter-11/recipe-03/cxx-example/account/__init__.py
+++ b/chapter-11/recipe-03/cxx-example/account/__init__.py
@@ -1,9 +1,10 @@
-from subprocess import check_output
-from cffi import FFI
 import os
 import sys
 from configparser import ConfigParser
 from pathlib import Path
+from subprocess import check_output
+
+from cffi import FFI
 
 
 def get_lib_handle(definitions, header_file, library_file):
@@ -28,9 +29,9 @@ def get_lib_handle(definitions, header_file, library_file):
 _cfg_file = _this_path / 'interface_file_names.cfg'
 if _cfg_file.exists():
     config = ConfigParser()
-    config.read(_cfg_file)
+    config.read(str(_cfg_file))
     header_file_name = config.get('configuration', 'header_file_name')
-    _header_file = _this_path / 'include' /  header_file_name
+    _header_file = _this_path / 'include' / header_file_name
     _header_file = str(_header_file)
     library_file_name = config.get('configuration', 'library_file_name')
     _library_file = _this_path / 'lib' / library_file_name
@@ -41,10 +42,10 @@ def get_lib_handle(definitions, header_file, library_file):
     _library_file = os.getenv('ACCOUNT_LIBRARY_FILE')
     assert _library_file is not None
 
-_lib = get_lib_handle(definitions=['-DACCOUNT_API=', '-DACCOUNT_NOINCLUDE'],
-                      header_file=_header_file,
-                      library_file=_library_file)
-
+_lib = get_lib_handle(
+    definitions=['-DACCOUNT_API=', '-DACCOUNT_NOINCLUDE'],
+    header_file=_header_file,
+    library_file=_library_file)
 
 # we change names to obtain a more pythonic API
 new = _lib.account_new
diff --git a/chapter-11/recipe-03/fortran-example/account/__init__.py b/chapter-11/recipe-03/fortran-example/account/__init__.py
index 2b7aa6d11..ccae83967 100644
--- a/chapter-11/recipe-03/fortran-example/account/__init__.py
+++ b/chapter-11/recipe-03/fortran-example/account/__init__.py
@@ -1,9 +1,10 @@
-from subprocess import check_output
-from cffi import FFI
 import os
 import sys
 from configparser import ConfigParser
 from pathlib import Path
+from subprocess import check_output
+
+from cffi import FFI
 
 
 def get_lib_handle(definitions, header_file, library_file):
@@ -28,9 +29,9 @@ def get_lib_handle(definitions, header_file, library_file):
 _cfg_file = _this_path / 'interface_file_names.cfg'
 if _cfg_file.exists():
     config = ConfigParser()
-    config.read(_cfg_file)
+    config.read(str(_cfg_file))
     header_file_name = config.get('configuration', 'header_file_name')
-    _header_file = _this_path / 'include' /  header_file_name
+    _header_file = _this_path / 'include' / header_file_name
     _header_file = str(_header_file)
     library_file_name = config.get('configuration', 'library_file_name')
     _library_file = _this_path / 'lib' / library_file_name
@@ -41,10 +42,10 @@ def get_lib_handle(definitions, header_file, library_file):
     _library_file = os.getenv('ACCOUNT_LIBRARY_FILE')
     assert _library_file is not None
 
-_lib = get_lib_handle(definitions=['-DACCOUNT_API=', '-DACCOUNT_NOINCLUDE'],
-                      header_file=_header_file,
-                      library_file=_library_file)
-
+_lib = get_lib_handle(
+    definitions=['-DACCOUNT_API=', '-DACCOUNT_NOINCLUDE'],
+    header_file=_header_file,
+    library_file=_library_file)
 
 # we change names to obtain a more pythonic API
 new = _lib.account_new
diff --git a/chapter-14/recipe-03/cxx-example/menu.yml b/chapter-14/recipe-03/cxx-example/menu.yml
index 3e1b28765..0b0e94dae 100644
--- a/chapter-14/recipe-03/cxx-example/menu.yml
+++ b/chapter-14/recipe-03/cxx-example/menu.yml
@@ -10,3 +10,9 @@ appveyor-msys:
   skip_generators:
     - 'MSYS Makefiles'
     - 'Ninja'
+
+# see: https://github.com/dev-cafe/cmake-cookbook/issues/481
+travis-osx:
+  failing_generators:
+    - 'Unix Makefiles'
+    - 'Ninja'
diff --git a/chapter-14/recipe-03/fortran-example/menu.yml b/chapter-14/recipe-03/fortran-example/menu.yml
index 632c9a464..e2e400fd0 100644
--- a/chapter-14/recipe-03/fortran-example/menu.yml
+++ b/chapter-14/recipe-03/fortran-example/menu.yml
@@ -11,12 +11,18 @@ appveyor-msys:
     - 'MSYS Makefiles'
     - 'Ninja'
 
+# for 'Unix Makefiles' see:
+# https://github.com/dev-cafe/cmake-cookbook/issues/481
 travis-linux:
   failing_generators:
+    - 'Unix Makefiles'
     - 'Ninja'
 
+# for 'Unix Makefiles' see:
+# https://github.com/dev-cafe/cmake-cookbook/issues/481
 travis-osx:
   failing_generators:
+    - 'Unix Makefiles'
     - 'Ninja'
 
 # ASan not supported by ifort
diff --git a/default.nix b/default.nix
index 34484d0fc..8b8382601 100644
--- a/default.nix
+++ b/default.nix
@@ -29,7 +29,6 @@ in
       gdb
       gfortran
       graphviz
-      lcov
       libuuid
       ninja-kitware
       openblas
@@ -41,7 +40,6 @@ in
       python3Packages.cython
       python3Packages.docopt
       python3Packages.numpy
-      python3Packages.pycodestyle
       python3Packages.pyyaml
       python3Packages.sphinx
       rpm
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 000000000..083f631e2
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,8 @@
+breathe
+cffi
+colorama
+cython
+docopt
+numpy
+pyyaml
+sphinx
diff --git a/testing/README.md b/testing/README.md
index ff7fc0634..8ed232e34 100644
--- a/testing/README.md
+++ b/testing/README.md
@@ -83,7 +83,7 @@ targets:
 ## Running tests on your computer
 
 ```shell
-$ pipenv install
+$ pipenv install --three
 $ pipenv run python testing/collect_tests.py 'chapter-*/recipe-*'
 ```
 
diff --git a/testing/collect_tests.py b/testing/collect_tests.py
index c5f1a5f66..28f61cfc8 100644
--- a/testing/collect_tests.py
+++ b/testing/collect_tests.py
@@ -10,10 +10,9 @@
 
 import colorama
 import docopt
-from packaging import version
-
 from env import (die_hard, get_buildflags, get_ci_environment, get_generator,
                  verbose_output)
+from packaging import version
 from parse import extract_menu_file
 
 
@@ -234,6 +233,8 @@ def main(arguments):
 
     # glob recipes
     recipes = [r for r in sorted(topdir.glob(arguments['<regex>']))]
+    if not recipes:
+        raise RuntimeError('Empty list of recipes to test: provide a valid regex')
 
     # Set NINJA_STATUS environment variable
     os.environ['NINJA_STATUS'] = '[Built edge %f of %t in %e sec]'
diff --git a/testing/dependencies/report_versions.sh b/testing/dependencies/report_versions.sh
index 699898101..965b515dd 100755
--- a/testing/dependencies/report_versions.sh
+++ b/testing/dependencies/report_versions.sh
@@ -2,7 +2,7 @@
 
 echo "Report versions of whole tool stack"
 
-for tool in cmake make ninja g++ gcc gfortran; do
+for tool in cmake make ninja $CXX $CC $FC; do
     echo ""
     echo "Checking version of $tool:"
     $tool --version 2> /dev/null || echo "$tool not available"