Add StyleCheck.cmake

.travis.yml

@@ -74,7 +74,7 @@ env:
    # DOC. g++-4.8      | DEBUG   | TCMALLOC      | DOXYGEN=>DROPBOX
    - CMAKE_CXX_COMPILER=g++-4.8
      CMAKE_BUILD_TYPE=DEBUG
-     BUILD_DOXYGEN=TRUE
+   # BUILD_DOXYGEN=TRUE [turn it off temporarily]
    # =======================================================
    # TESTCOV Build
    # =======================================================

src/cmake/Modules/StyleCheck.cmake

@@ -0,0 +1,40 @@
+# Copyright (C) 2013 Daniel Scharrer
+#
+# This software is provided 'as-is', without any express or implied
+# warranty.  In no event will the author(s) be held liable for any damages
+# arising from the use of this software.
+#
+# Permission is granted to anyone to use this software for any purpose,
+# including commercial applications, and to alter it and redistribute it
+# freely, subject to the following restrictions:
+#
+# 1. The origin of this software must not be misrepresented; you must not
+#    claim that you wrote the original software. If you use this software
+#    in a product, an acknowledgment in the product documentation would be
+#    appreciated but is not required.
+# 2. Altered source versions must be plainly marked as such, and must not be
+#    misrepresented as being the original software.
+# 3. This notice may not be removed or altered from any source distribution.
+
+find_package(PythonInterp)
+
+# Parameters:
+# - TARGET_NAME the name of the target to add
+# - SOURCES_LIST a complete list of source and include files to check
+function(add_style_check_target TARGET_NAME SOURCES_LIST)
+        if(NOT PYTHONINTERP_FOUND)
+                return()
+        endif()
+        list(SORT SOURCES_LIST)
+        list(REMOVE_DUPLICATES SOURCES_LIST)
+        add_custom_target(${TARGET_NAME}
+                COMMAND "${CMAKE_COMMAND}" -E chdir
+                        "${CMAKE_SOURCE_DIR}"
+                        "${PYTHON_EXECUTABLE}"
+                        "${CMAKE_MODULE_PATH}/cpplint.py"
+                        ${SOURCES_LIST}
+                DEPENDS ${SOURCES_LIST}
+                COMMENT "Checking code style."
+                VERBATIM
+        )
+endfunction(add_style_check_target)