Add cppcheck cmake utilities.

CMakeLists.txt

@@ -38,6 +38,7 @@ conan_or_find_package(cpplint REQUIRED)
 include(cpplint)
 
 conan_or_find_package(cppcheck REQUIRED)
+include(cppcheck)
 
 include(GenerateExportHeader)
 

cmake/cppcheck.cmake

+#-------------------------------------------------------------------------------
+# Project Phoenix
+#
+# Copyright (c) 2017 RWTH Aachen University, Germany,
+# Virtual Reality & Immersive Visualisation Group.
+#-------------------------------------------------------------------------------
+#                                  License
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#-------------------------------------------------------------------------------
+
+if(TARGET CONAN_PKG::cppcheck)
+  if(CONAN_BIN_DIRS_CPPCHECK_RELEASE)
+    set(CPPCHECK_DIR ${CONAN_BIN_DIRS_CPPCHECK_RELEASE})
+  elseif(CONAN_BIN_DIRS_CPPCHECK)
+    set(CPPCHECK_DIR ${CONAN_BIN_DIRS_CPPCHECK})
+  endif()
+  
+  # TODO: Validate that .exes are detected.
+  if(EXISTS "${CPPCHECK_DIR}/cppcheck")
+    set(CPPCHECK_COMMAND "${CPPCHECK_DIR}/cppcheck")
+  endif()
+else()
+  # TODO: Validate that .exes are detected.
+  find_file(CPPCHECK_COMMAND cppcheck PATHS $ENV{PATH} $ENV{CPPCHECK_DIR})
+endif()
+
+if(NOT CPPCHECK_COMMAND)
+  message(SEND_ERROR
+    " ERROR: Could not find cppcheck.
+    Having cppcheck is a mandatory requirement.
+    CMake will not generate the project without it.
+    Add its location to the environments variables PATH or CPPCHECK_DIR.")
+endif()
+
+function(ADD_TEST_CPPCHECK)
+  set(options)
+  set(oneValueArgs NAME)
+  set(multiValueArgs)
+  cmake_parse_arguments(ARGS
+    "${options}" "${oneValueArgs}" "${multiValueArgs}" ${ARGN})
+  add_test(NAME ${ARGS_NAME}
+    COMMAND ${CPPCHECK_COMMAND} ${ARGS_UNPARSED_ARGUMENTS})
+  set_tests_properties(${ARGS_NAME} PROPERTIES TIMEOUT 10.0)
+endfunction()