From 91049bb199246f27a2cdd49802e2e088da01632a Mon Sep 17 00:00:00 2001
From: Erwin Janssen <erwinjanssen@outlook.com>
Date: Mon, 8 Aug 2016 12:08:42 +0200
Subject: [PATCH] Travis: Install Criterion

Adds the installation of Criterion to the `install` step in the Travis configuration. A submodule is used so changes in the Criterion repository can't break the build. A submodule points to a specific commit.
---
 .gitmodules            |  3 +++
 .travis.yml            | 14 +++++++++++++-
 dependencies/criterion |  1 +
 3 files changed, 17 insertions(+), 1 deletion(-)
 create mode 160000 dependencies/criterion

diff --git a/.gitmodules b/.gitmodules
index b0df38906..d27661cdb 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -22,3 +22,6 @@
 [submodule "windows/dependencies/graphviz-build-utilities"]
 	path = windows/dependencies/graphviz-build-utilities
 	url = https://github.com/ErwinJanssen/graphviz-build-utilities.git
+[submodule "dependencies/criterion"]
+	path = dependencies/criterion
+	url = https://github.com/Snaipe/Criterion.git
diff --git a/.travis.yml b/.travis.yml
index 15aa9274f..4ecf5935a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,5 @@
 language: c
-sudo: false
+sudo: true
 addons:
   apt:
     packages:
@@ -9,7 +9,19 @@ addons:
     - libdevil-dev
     - libxaw7-dev
     - freeglut3-dev
+
+install:
+# Install unit testing framework Criterion.
+- cd dependencies/criterion
+- mkdir build
+- cd build
+- cmake ..
+- cmake --build .
+- sudo make install
+- sudo ldconfig
+
 script:
+- cd ${TRAVIS_BUILD_DIR}
 - GRAPHVIZ_DESTINATION_FOLDER="graphviz-build"
 - "./autogen.sh NOCONFIG"
 - "./configure --prefix=${TRAVIS_BUILD_DIR}/${GRAPHVIZ_DESTINATION_FOLDER}"
diff --git a/dependencies/criterion b/dependencies/criterion
new file mode 160000
index 000000000..9fbd28bf6
--- /dev/null
+++ b/dependencies/criterion
@@ -0,0 +1 @@
+Subproject commit 9fbd28bf69f2f0ef0136dec70a79f7a41e9f728e
-- 
2.40.0