diff --git a/.travis.yml b/.travis.yml
index d8330aa..eb9a456 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,6 +11,7 @@ branches:
     - master
 
 compiler:
+  - clang
   - gcc
 
 before_install:
@@ -20,6 +21,11 @@ before_install:
 
 install: ./scripts/travis_install.sh
 
+before_script:
+  - mkdir build
+  - cd build
+  - cmake .. -DLUA_LIBRARIES=$LUA_LIBDIR -DLUA_INCLUDE_DIR=$LUA_INCDIR -DINSTALL_LMOD=$INSTALL_LMOD -DINSTALL_CMOD=$INSTALL_CMOD
+
 script: ./scripts/travis_build.sh
 
 notifications:
diff --git a/scripts/travis_build.sh b/scripts/travis_build.sh
index 5aea200..a577f17 100755
--- a/scripts/travis_build.sh
+++ b/scripts/travis_build.sh
@@ -1,7 +1,4 @@
 #### build using pre-generated bindings.
-mkdir build; cd build
-cmake .. -DLUA_LIBRARIES=$LUA_LIBDIR -DLUA_INCLUDE_DIR=$LUA_INCDIR
-  -DINSTALL_LMOD=$INSTALL_LMOD -DINSTALL_CMOD=$INSTALL_CMOD
 make
 sudo make install
 # Run tests.