diff --git a/support/biicode-build.py b/support/biicode-build.py
index 4c697f8e..5c285b22 100755
--- a/support/biicode-build.py
+++ b/support/biicode-build.py
@@ -1,23 +1,23 @@
 #!/usr/bin/env python
 # Build the project with Biicode.
 
-import bootstrap, glob, os, shutil
+import bootstrap, glob, os, shutil, sys
 from download import Downloader
 from subprocess import check_call
 
 os_name = os.environ['TRAVIS_OS_NAME']
+if os_name != 'linux':
+  sys.exit()
+
 cmake_dir = 'cmake-dir'
 cmake_program = 'cmake'
-if os_name == 'linux':
-  # Install newer version of CMake.
-  cmake_program = bootstrap.install_cmake(
-    'cmake-3.1.1-Linux-i386.tar.gz', check_installed=False, download_dir=None, install_dir='.')
-  cmake_dir = glob.glob('cmake*')[0]
-  with Downloader().download('http://www.biicode.com/downloads/latest/ubuntu64') as f:
-    check_call(['sudo', 'dpkg', '-i', f])
-elif os_name == 'osx':
-  with Downloader().download('http://www.biicode.com/downloads/latest/macos') as f:
-    check_call(['sudo', 'installer', '-pkg', f, '-target', '/'])
+  
+# Install newer version of CMake.
+cmake_program = bootstrap.install_cmake(
+  'cmake-3.1.1-Linux-i386.tar.gz', check_installed=False, download_dir=None, install_dir='.')
+cmake_dir = glob.glob('cmake*')[0]
+with Downloader().download('http://www.biicode.com/downloads/latest/ubuntu64') as f:
+  check_call(['sudo', 'dpkg', '-i', f])
 
 env = os.environ.copy()
 env['PATH'] = os.path.abspath(os.path.dirname(cmake_program)) + ':' + env['PATH']
@@ -31,4 +31,5 @@ shutil.copytree('.', cppformat_dir,
 for f in glob.glob('support/biicode/*'):
   shutil.copy(f, cppformat_dir)
 print env['CMAKE_ROOT']
+check_call(['cmake', '--version', project_dir], env=env)
 #check_call(['bii', 'cpp:build'], cwd=project_dir, env=env)