ENH: Cleanup example a bit

Tests/SwigTest/CMakeLists.txt

-SET(language "tcl")
+SET(language "python")
 
 
 PROJECT(example_${language}_class)
 
-FIND_PACKAGE(SWIG)
-IF(SWIG_FOUND)
-  INCLUDE(${SWIG_USE_FILE})
+FIND_PACKAGE(SWIG REQUIRED)
+INCLUDE(${SWIG_USE_FILE})
 
-  IF(${language} MATCHES python)
-    FIND_PACKAGE(PythonLibs)
-    INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_PATH})
-    SET(SWIG_LANG_LIBRARIES ${PYTHON_LIBRARIES})
-  ENDIF(${language} MATCHES python)
-  IF(${language} MATCHES perl)
-    FIND_PACKAGE(PerlLibs)
-    INCLUDE_DIRECTORIES(${PERL_INCLUDE_PATH})
-    ADD_DEFINITIONS(${PERL_EXTRA_C_FLAGS})
-    SET(SWIG_LANG_LIBRARIES ${PERL_LIBRARY})
-  ENDIF(${language} MATCHES perl)
-  IF(${language} MATCHES tcl)
-    FIND_PACKAGE(TCL)
-    INCLUDE_DIRECTORIES(${TCL_INCLUDE_PATH})
-    SET(SWIG_LANG_LIBRARIES ${TCL_LIBRARY})
-  ENDIF(${language} MATCHES tcl)
-  IF(${language} MATCHES ruby)
-    FIND_PACKAGE(Ruby)
-    INCLUDE_DIRECTORIES(${RUBY_INCLUDE_PATH})
-    SET(SWIG_LANG_LIBRARIES ${RUBY_LIBRARY})
-  ENDIF(${language} MATCHES ruby)
-  IF(${language} MATCHES php4)
-    FIND_PACKAGE(PHP4)
-    INCLUDE_DIRECTORIES(${PHP4_INCLUDE_PATH}) 
-    SET(SWIG_LANG_LIBRARIES ${PHP4_LIBRARY})
-  ENDIF(${language} MATCHES php4)
-  IF(${language} MATCHES pike)
-    FIND_PACKAGE(Pike)
-    INCLUDE_DIRECTORIES(${PIKE_INCLUDE_PATH})
-    SET(SWIG_LANG_LIBRARIES ${PIKE_LIBRARY})
-  ENDIF(${language} MATCHES pike)
+IF(${language} MATCHES python)
+  FIND_PACKAGE(PythonLibs)
+  INCLUDE_DIRECTORIES(${PYTHON_INCLUDE_PATH})
+  SET(SWIG_LANG_LIBRARIES ${PYTHON_LIBRARIES})
+ENDIF(${language} MATCHES python)
+IF(${language} MATCHES perl)
+  FIND_PACKAGE(PerlLibs)
+  INCLUDE_DIRECTORIES(${PERL_INCLUDE_PATH})
+  ADD_DEFINITIONS(${PERL_EXTRA_C_FLAGS})
+  SET(SWIG_LANG_LIBRARIES ${PERL_LIBRARY})
+ENDIF(${language} MATCHES perl)
+IF(${language} MATCHES tcl)
+  FIND_PACKAGE(TCL)
+  INCLUDE_DIRECTORIES(${TCL_INCLUDE_PATH})
+  SET(SWIG_LANG_LIBRARIES ${TCL_LIBRARY})
+ENDIF(${language} MATCHES tcl)
+IF(${language} MATCHES ruby)
+  FIND_PACKAGE(Ruby)
+  INCLUDE_DIRECTORIES(${RUBY_INCLUDE_PATH})
+  SET(SWIG_LANG_LIBRARIES ${RUBY_LIBRARY})
+ENDIF(${language} MATCHES ruby)
+IF(${language} MATCHES php4)
+  FIND_PACKAGE(PHP4)
+  INCLUDE_DIRECTORIES(${PHP4_INCLUDE_PATH}) 
+  SET(SWIG_LANG_LIBRARIES ${PHP4_LIBRARY})
+ENDIF(${language} MATCHES php4)
+IF(${language} MATCHES pike)
+  FIND_PACKAGE(Pike)
+  INCLUDE_DIRECTORIES(${PIKE_INCLUDE_PATH})
+  SET(SWIG_LANG_LIBRARIES ${PIKE_LIBRARY})
+ENDIF(${language} MATCHES pike)
 
-  INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
+INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 
-  SET(CMAKE_SWIG_FLAGS "")
+SET(CMAKE_SWIG_FLAGS "")
 
-  SET_SOURCE_FILES_PROPERTIES(example.i PROPERTIES CPLUSPLUS ON)
-  SET_SOURCE_FILES_PROPERTIES(example.i PROPERTIES SWIG_FLAGS "-includeall")
-  SWIG_ADD_MODULE(example "${language}"
-    example.i example.cxx)
-  SWIG_LINK_LIBRARIES(example ${SWIG_LANG_LIBRARIES})
-ENDIF(SWIG_FOUND)
+SET_SOURCE_FILES_PROPERTIES(example.i PROPERTIES CPLUSPLUS ON)
+SET_SOURCE_FILES_PROPERTIES(example.i PROPERTIES SWIG_FLAGS "-includeall")
+SWIG_ADD_MODULE(example "${language}"
+  example.i example.cxx)
+SWIG_LINK_LIBRARIES(example ${SWIG_LANG_LIBRARIES})