diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 00000000..e336fd8c
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,25 @@
+version: 2
+
+jobs:
+  build:
+    docker:
+      - image: debian:stretch
+    steps:
+      - run:
+          name: Installing sudo
+          command: 'apt-get update && apt-get install -y sudo && rm -rf /var/lib/apt/lists/*'
+      - run:
+          name: Installing Build System
+          command: 'apt-get update && apt-get install -y git build-essential libboost-system-dev cmake python2.7'
+      - checkout
+      - run: git submodule sync
+      - run: git submodule update --init
+      - run:
+          name: Creating Build Files
+          command: 'cd svgnative && cmake -Bbuild/linux -H.'
+      - run:
+          name: Creating Binary Files
+          command: 'cd svgnative && cmake --build build/linux'
+      - run:
+          name: Run tests
+          command: 'cd svgnative && /usr/bin/python2.7 script/runTest.py --test=test'
diff --git a/.gitmodules b/.gitmodules
index 215b42cd..4fd15bbd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,4 +4,4 @@
 	branch = modifications
 [submodule "third_party/cpp-base64"]
 	path = third_party/cpp-base64
-	url = https://github.com/ReneNyffenegger/cpp-base64
+	url = git@github.com:ReneNyffenegger/cpp-base64.git
diff --git a/svgnative/CMakeLists.txt b/svgnative/CMakeLists.txt
index 5383314e..eb7b5125 100755
--- a/svgnative/CMakeLists.txt
+++ b/svgnative/CMakeLists.txt
@@ -3,11 +3,12 @@ cd build
 cmake -Bbuild/win64 -H. -G "Visual Studio 15 2017 Win64"
 cmake -Bbuild/win32 -H. -G "Visual Studio 15 2017"
 cmake -Bbuild/mac -H. -G "Xcode"
+cmake -Bbuild/linux -H.
 
 cmake --build build/win64 --config Release
 ]]
 
-cmake_minimum_required(VERSION 3.10.0)
+cmake_minimum_required(VERSION 3.7.2)
 project(SVGNativeViewer)
 enable_language(CXX)
 set(CMAKE_CXX_STANDARD 14)
diff --git a/svgnative/script/runTest.py b/svgnative/script/runTest.py
index 7479698c..4f33247f 100755
--- a/svgnative/script/runTest.py
+++ b/svgnative/script/runTest.py
@@ -159,7 +159,7 @@ def readLine(p):
         c = p.stdout.read(1)
     return line
 
-def exportTestFilesSequential(files, args):
+def exportTestFilesSequential(files, args, hasError):
     p = None
     isExpectedFileMissing = False
     inputFile = files.nextPath()
@@ -178,28 +178,31 @@ def exportTestFilesSequential(files, args):
         p = Popen([args.program, inputFile, expectedFile])
         if p == None:
             print('Error opening testapp')
-            return -1
+            hasError = -1
+            return hasError
         print('Created missing expectation file: ' + expectedFile)
     else:
         p = Popen([args.program, inputFile, actualFile])
         if p == None:
             print('Error opening testapp')
-            return -1
+            hasError = -1
+            return hasError
         p.wait()
         if not compare_text_files(expectedFile, actualFile, diffFile):
-            print(u'\u274c' + ' ' + inputFile + ' failed.')
+            print('   ' + inputFile + ' FAILED.')
+            hasError = -1
         else:
-            print(u'\u2713' + ' ' + inputFile + ' passed.')
+            print('   ' + inputFile + ' passed.')
 
-    exportTestFilesSequential(files, args)
-    return 0
+    hasError = exportTestFilesSequential(files, args, hasError)
+    return hasError
 
 def runTestApp(args):
     filesIterator = DirectoryIterator(args.path, args.recursive)
     files = filesIterator.fileArray()
     testexpectations = filesIterator.testExpectations()
 
-    error = exportTestFilesSequential(filesIterator, args)
+    error = exportTestFilesSequential(filesIterator, args, 0)
     if error == -1:
         return error
 
diff --git a/third_party/cpp-base64 b/third_party/cpp-base64
new file mode 160000
index 00000000..6420804f
--- /dev/null
+++ b/third_party/cpp-base64
@@ -0,0 +1 @@
+Subproject commit 6420804f7ba10e8c3049c6e3b59ec88c88d808a6
diff --git a/third_party/stylesheet b/third_party/stylesheet
new file mode 160000
index 00000000..c81c4be1
--- /dev/null
+++ b/third_party/stylesheet
@@ -0,0 +1 @@
+Subproject commit c81c4be1195e47226b992e26050c3c99ae18510f