TRILABS-135 Add clang analyzers

5 files changed, 1222 insertions, 0 deletions

diff --git a/config/sanitizer/LICENSE b/config/sanitizer/LICENSE
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diff --git a/config/sanitizer/README.md b/config/sanitizer/README.md
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+# CMake Scripts <!-- omit in toc -->
+
+[![pipeline status](https://git.stabletec.com/other/cmake-scripts/badges/master/pipeline.svg)](https://git.stabletec.com/other/cmake-scripts/commits/master)
+[![license](https://img.shields.io/badge/license-Apache%202.0-blue.svg)](https://git.stabletec.com/other/cmake-scripts/blob/master/LICENSE)
+
+This is a collection of quite useful scripts that expand the possibilities for building software with CMake, by making some things easier and otherwise adding new build types
+
+- [C++ Standards `c++-standards.cmake`](#c-standards-c-standardscmake)
+- [Sanitizer Builds `sanitizers.cmake`](#sanitizer-builds-sanitizerscmake)
+- [Code Coverage `code-coverage.cmake`](#code-coverage-code-coveragecmake)
+  - [Added Targets](#added-targets)
+  - [Usage](#usage)
+    - [Example 1 - All targets instrumented](#example-1---all-targets-instrumented)
+      - [1a - Via global command](#1a---via-global-command)
+      - [1b - Via target commands](#1b---via-target-commands)
+    - [Example 2: Target instrumented, but with regex pattern of files to be excluded from report](#example-2-target-instrumented-but-with-regex-pattern-of-files-to-be-excluded-from-report)
+    - [Example 3: Target added to the 'ccov' and 'ccov-all' targets](#example-3-target-added-to-the-ccov-and-ccov-all-targets)
+- [Compiler Options `compiler-options.cmake`](#compiler-options-compiler-optionscmake)
+- [Dependency Graph `dependency-graph.cmake`](#dependency-graph-dependency-graphcmake)
+  - [Required Arguments](#required-arguments)
+    - [OUTPUT_TYPE *STR*](#output_type-str)
+  - [Optional Arguments](#optional-arguments)
+    - [ADD_TO_DEP_GRAPH](#add_to_dep_graph)
+    - [TARGET_NAME *STR*](#target_name-str)
+    - [OUTPUT_DIR *STR*](#output_dir-str)
+- [Doxygen `doxygen.cmake`](#doxygen-doxygencmake)
+  - [Optional Arguments](#optional-arguments-1)
+    - [ADD_TO_DOC](#add_to_doc)
+    - [INSTALLABLE](#installable)
+    - [PROCESS_DOXYFILE](#process_doxyfile)
+    - [TARGET_NAME *STR*](#target_name-str-1)
+    - [OUTPUT_DIR *STR*](#output_dir-str-1)
+    - [INSTALL_PATH *STR*](#install_path-str)
+    - [DOXYFILE_PATH *STR*](#doxyfile_path-str)
+- [Prepare the Catch Test Framework `prepare_catch.cmake`](#prepare-the-catch-test-framework-prepare_catchcmake)
+  - [Optional Arguments](#optional-arguments-2)
+    - [COMPILED_CATCH](#compiled_catch)
+    - [CATCH1](#catch1)
+    - [CLONE](#clone)
+- [Tools `tools.cmake`](#tools-toolscmake)
+  - [clang-tidy](#clang-tidy)
+  - [include-what-you-use](#include-what-you-use)
+  - [cppcheck](#cppcheck)
+- [Formatting `formatting.cmake`](#formatting-formattingcmake)
+  - [clang-format](#clang-format)
+  - [cmake-format](#cmake-format)
+
+## C++ Standards [`c++-standards.cmake`](c++-standards.cmake)
+
+Using the functions `cxx_11()`, `cxx_14()`, `cxx_17()` or `cxx_20()` this adds the appropriate flags for both unix and MSVC compilers, even for those before 3.11 with improper support.
+
+These obviously force the standard to be required, and also disables compiler-specific extensions, ie `--std=gnu++11`. This helps to prevent fragmenting the code base with items not available elsewhere, adhering to the agreed C++ standards only.
+
+## Sanitizer Builds [`sanitizers.cmake`](sanitizers.cmake)
+
+Sanitizers are tools that perform checks during a program’s runtime and returns issues, and as such, along with unit testing, code coverage and static analysis, is another tool to add to the programmers toolbox. And of course, like the previous tools, are tragically simple to add into any project using CMake, allowing any project and developer to quickly and easily use.
+
+A quick rundown of the tools available, and what they do:
+- [LeakSanitizer](https://clang.llvm.org/docs/LeakSanitizer.html) detects memory leaks, or issues where memory is allocated and never deallocated, causing programs to slowly consume more and more memory, eventually leading to a crash.
+- [AddressSanitizer](https://clang.llvm.org/docs/AddressSanitizer.html) is a fast memory error detector. It is useful for detecting most issues dealing with memory, such as:
+    - Out of bounds accesses to heap, stack, global
+    - Use after free
+    - Use after return
+    - Use after scope
+    - Double-free, invalid free
+    - Memory leaks (using LeakSanitizer)
+- [ThreadSanitizer](https://clang.llvm.org/docs/ThreadSanitizer.html) detects data races for multi-threaded code.
+- [UndefinedBehaviourSanitizer](https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html) detects the use of various features of C/C++ that are explicitly listed as resulting in undefined behaviour. Most notably:
+    - Using misaligned or null pointer.
+    - Signed integer overflow
+    - Conversion to, from, or between floating-point types which would overflow the destination
+    - Division by zero
+    - Unreachable code
+- [MemorySanitizer](https://clang.llvm.org/docs/MemorySanitizer.html) detects uninitialized reads.
+
+These are used by declaring the `USE_SANITIZER` CMake variable as one of:
+- Address
+- Memory
+- MemoryWithOrigins
+- Undefined
+- Thread
+- Address;Undefined
+- Undefined;Address
+- Leak
+
+## Code Coverage [`code-coverage.cmake`](code-coverage.cmake)
+
+![Code Coverage Examples](img/code-cov.png)
+
+> In computer science, test coverage is a measure used to describe the degree to which the source code of a program is executed when a particular test suite runs. A program with high test coverage, measured as a percentage, has had more of its source code executed during testing, which suggests it has a lower chance of containing undetected software bugs compared to a program with low test coverage. Many different metrics can be used to calculate test coverage; some of the most basic are the percentage of program subroutines and the percentage of program statements called during execution of the test suite. 
+>
+> [Wikipedia, Code Coverage](https://en.wikipedia.org/wiki/Code_coverage)
+
+Code coverage is the detailing of, during the execution of a binary, which regions, functions, or lines of code are *actually* executed. This can be used in a number of ways, from figuring out areas that automated testing is lacking or not touching, to giving a user an instrumented binary to determine which areas of code are used most/least to determine which areas to focus on. Although this does come with the caveat that coverage is no guarantee of good testing, just of what code has been.
+
+Coverage here is supported on both GCC and Clang. GCC requires the `lcov` program, and Clang requires `llvm-cov` and `llvm-profdata`, often provided with the llvm toolchain.
+
+To enable, turn on the `CODE_COVERAGE` variable.
+
+### Added Targets
+
+- GCOV/LCOV:
+    - ccov : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+    - ccov-${TARNGET_NAME} : Generates HTML code coverage report for the associated named target.
+    - ccov-all : Generates HTML code coverage report, merging every target added with 'ALL' parameter into a single detailed report.
+    - ccov-all-capture : Generates an all-merged.info file, for use with coverage dashboards (e.g. codecov.io, coveralls).
+- LLVM-COV:
+    - ccov : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+    - ccov-report : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+    - ccov-${TARGET_NAME} : Generates HTML code coverage report.
+    - ccov-rpt-${TARGET_NAME} : Prints to command line summary per-file coverage information.
+    - ccov-show-${TARGET_NAME} : Prints to command line detailed per-line coverage information.
+    - ccov-all : Generates HTML code coverage report, merging every target added with 'ALL' parameter into a single detailed report.
+    - ccov-all-report : Prints summary per-file coverage information for every target added with ALL' parameter to the command line.
+
+### Usage
+
+To enable any code coverage instrumentation/targets, the single CMake option of `CODE_COVERAGE` needs to be set to 'ON', either by GUI, ccmake, or on the command line ie `-DCODE_COVERAGE=ON`.
+
+From this point, there are two primary methods for adding instrumentation to targets:
+1. A blanket instrumentation by calling `add_code_coverage()`, where all targets in that directory and all subdirectories are automatically instrumented.
+2. Per-target instrumentation by calling `target_code_coverage(<TARGET_NAME>)`, where the target is given and thus only that target is instrumented. This applies to both libraries and executables.
+
+To add coverage targets, such as calling `make ccov` to generate the actual coverage information for perusal or consumption, call `target_code_coverage(<TARGET_NAME>)` on an *executable* target.
+
+**NOTE:** For more options, please check the actual [`code-coverage.cmake`](code-coverage.cmake) file.
+
+#### Example 1 - All targets instrumented
+
+In this case, the coverage information reported will will be that of the `theLib` library target and `theExe` executable.
+
+##### 1a - Via global command
+
+```
+add_code_coverage() # Adds instrumentation to all targets
+
+add_library(theLib lib.cpp)
+
+add_executable(theExe main.cpp)
+target_link_libraries(theExe PRIVATE theLib)
+target_code_coverage(theExe) # As an executable target, adds the 'ccov-theExe' target (instrumentation already added via global anyways) for generating code coverage reports.
+```
+
+##### 1b - Via target commands
+
+```
+add_library(theLib lib.cpp)
+target_code_coverage(theLib) # As a library target, adds coverage instrumentation but no targets.
+
+add_executable(theExe main.cpp)
+target_link_libraries(theExe PRIVATE theLib)
+target_code_coverage(theExe) # As an executable target, adds the 'ccov-theExe' target and instrumentation for generating code coverage reports.
+```
+
+#### Example 2: Target instrumented, but with regex pattern of files to be excluded from report
+
+```
+add_executable(theExe main.cpp non_covered.cpp)
+target_code_coverage(theExe EXCLUDE non_covered.cpp) # As an executable target, the reports will exclude the non-covered.cpp file.
+```
+
+#### Example 3: Target added to the 'ccov' and 'ccov-all' targets
+
+```
+add_code_coverage_all_targets(EXCLUDE test/*) # Adds the 'ccov-all' target set and sets it to exclude all files in test/ folders.
+
+add_executable(theExe main.cpp non_covered.cpp)
+target_code_coverage(theExe AUTO ALL EXCLUDE non_covered.cpp test/*) # As an executable target, adds to the 'ccov' and ccov-all' targets, and the reports will exclude the non-covered.cpp file, and any files in a test/ folder.
+```
+
+## Compiler Options [`compiler-options.cmake`](compiler-options.cmake)
+
+Allows for easy use of some pre-made compiler options for the major compilers.
+
+Using `-DENABLE_ALL_WARNINGS=ON` will enable almost all of the warnings available for a compiler:
+
+| Compiler | Options       |
+| :------- | :------------ |
+| MSVC     | /W4           |
+| GCC      | -Wall -Wextra |
+| Clang    | -Wall -Wextra |
+
+Using `-DENABLE_EFFECTIVE_CXX=ON` adds the `-Weffc++` for both GCC and clang.
+
+Using `-DGENERATE_DEPENDENCY_DATA=ON` generates `.d` files along with regular object files on a per-source file basis on GCC/Clang compilers. These files contains the list of all header files used during compilation of that compilation unit.
+
+## Dependency Graph [`dependency-graph.cmake`](dependency-graph.cmake)
+
+CMake, with the dot application available, will build a visual representation of the library/executable dependencies, like so:
+![Dependency Graph](img/dp-graph.png)
+
+### Required Arguments
+
+#### OUTPUT_TYPE *STR*
+The type of output of `dot` to produce. Can be whatever `dot` itself supports (eg. png, ps, pdf).
+
+### Optional Arguments
+
+#### ADD_TO_DEP_GRAPH
+If specified, add this generated target to be a dependency of the more general `dep-graph` target.
+
+#### TARGET_NAME *STR*
+The name to give the doc target. (Default: doc-${PROJECT_NAME})
+
+#### OUTPUT_DIR *STR*
+The directory to place the generated output
+
+## Doxygen [`doxygen.cmake`](doxygen.cmake)
+
+Builds doxygen documentation with a default 'Doxyfile.in' or with a specified one, and can make the results installable (under the `doc` install target)
+
+This can only be used once per project, as each target generated is as `doc-${PROJECT_NAME}` unless TARGET_NAME is specified.
+
+### Optional Arguments
+
+#### ADD_TO_DOC
+If specified, adds this generated target to be a dependency of the more general `doc` target.
+
+#### INSTALLABLE
+Adds the generated documentation to the generic `install` target, under the `documentation` installation group.
+
+#### PROCESS_DOXYFILE
+If set, then will process the found Doxyfile through the CMAKE `configure_file` function for macro replacements before using it. (@ONLY)
+
+#### TARGET_NAME *STR*
+The name to give the doc target. (Default: doc-${PROJECT_NAME})
+
+#### OUTPUT_DIR *STR*
+The directory to place the generated output. (Default: ${CMAKE_CURRENT_BINARY_DIR}/doc)
+
+#### INSTALL_PATH *STR*
+The path to install the documenttation under. (if not specified, defaults to 'share/${PROJECT_NAME})
+
+#### DOXYFILE_PATH *STR*
+The given doxygen file to use/process. (Defaults to'${CMAKE_CURRENT_SOURCE_DIR}/Doxyfile')
+
+## Prepare the Catch Test Framework [`prepare_catch.cmake`](prepare_catch.cmake)
+
+The included `prepare_catch` function contained within attempts to add the infrastructure necessary for automatically adding C/C++ tests using the Catch2 library, including either an interface or pre-compiled 'catch' target library.
+
+It first attempts to find the header on the local machine, and failing that, clones the single header variant for use. It does make the determination between pre-C++11 and will use Catch1.X rather than Catch2 (when cloned), automatically or forced.. Adds a subdirectory of tests/ if it exists from the macro's calling location.
+
+### Optional Arguments
+
+#### COMPILED_CATCH
+If this option is specified, then generates the 'catch' target as a library with catch already pre-compiled as part of the library. Otherwise acts just an interface library for the header location.
+
+#### CATCH1
+Force the use of Catch1.X, rather than auto-detecting the C++ version in use.
+
+#### CLONE
+Force cloning of Catch, rather than attempting to use a locally-found variant.
+
+## Tools [`tools.cmake`](tools.cmake)
+
+### clang-tidy
+
+> clang-tidy is a clang-based C++ “linter” tool. Its purpose is to provide an extensible framework for diagnosing and fixing typical programming errors, like style violations, interface misuse, or bugs that can be deduced via static analysis. clang-tidy is modular and provides a convenient interface for writing new checks.
+>
+> [clang-tidy page](https://clang.llvm.org/extra/clang-tidy/)
+
+When detected, [clang-tidy](https://clang.llvm.org/extra/clang-tidy/) can be enabled by using the option of `-DCLANG_TIDY=ON`, as it is disabled by default.
+
+To use, add the `clang_tidy()` function, with the arguments being the options to pass to the clang tidy program, such as '-checks=*'.
+
+### include-what-you-use
+
+This tool helps to organize headers for all files encompass all items being used in that file, without accidentally relying upon headers deep down a chain of other headers. This is disabled by default, and can be enabled via have the program installed and adding `-DIWYU=ON`.
+
+To use, add the `include_what_you_use()` function, with the arguments being the options to pass to the program.
+
+### cppcheck
+
+This tool is another static analyzer in the vein of clang-tidy, which focuses on having no false positives. This is by default disabled, and can be enabled via have the program installed and adding `-DCPPCHECK=ON`.
+
+To use, add the `cppcheck()` function, with the arguments being the options to pass to the program.
+
+## Formatting [`formatting.cmake`](formatting.cmake)
+
+### clang-format
+
+Allows to automatically perform code formatting using the clang-format program, by calling an easy-to-use target ala `make format`. It requires a target name, and the list of files to format. As well, if the target name is the name of another target, then all files associated with that target will be added, and the target name changed to be `format_<TARGET>`. As well, any targets otherwise listed with the files will also have their files imported for formatting.
+
+```
+file(GLOB_RECURSE ALL_CODE_FILES
+    ${PROJECT_SOURCE_DIR}/src/*.[ch]pp
+    ${PROJECT_SOURCE_DIR}/src/*.[ch]
+    ${PROJECT_SOURCE_DIR}/include/*.[h]pp
+    ${PROJECT_SOURCE_DIR}/include/*.[h]
+    ${PROJECT_SOURCE_DIR}/example/*.[ch]pp
+    ${PROJECT_SOURCE_DIR}/example/*.[ch]
+)
+
+clang_format(TARGET_NAME ${ALL_CODE_FILES})
+```
+
+### cmake-format
+
+Similar to the clang-format above, creates a target `cmake-format` when the `cmake_format(<FILES>)` function is defined in CMake scripts, and any <FILES> passed in will be formatted by the cmake-format program, if it is found.
+
+```
+file(GLOB_RECURSE CMAKE_FILES
+    CMakeLists.txt
+)
+
+cmake_format(TARGET_NAME ${CMAKE_FILES})
+```
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diff --git a/config/sanitizer/code-coverage.cmake b/config/sanitizer/code-coverage.cmake
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@@ -0,0 +1,536 @@
+#
+# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
+#
+# 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.
+
+# USAGE: To enable any code coverage instrumentation/targets, the single CMake
+# option of `CODE_COVERAGE` needs to be set to 'ON', either by GUI, ccmake, or
+# on the command line.
+#
+# From this point, there are two primary methods for adding instrumentation to
+# targets: 1 - A blanket instrumentation by calling `add_code_coverage()`, where
+# all targets in that directory and all subdirectories are automatically
+# instrumented. 2 - Per-target instrumentation by calling
+# `target_code_coverage(<TARGET_NAME>)`, where the target is given and thus only
+# that target is instrumented. This applies to both libraries and executables.
+#
+# To add coverage targets, such as calling `make ccov` to generate the actual
+# coverage information for perusal or consumption, call
+# `target_code_coverage(<TARGET_NAME>)` on an *executable* target.
+#
+# Example 1: All targets instrumented
+#
+# In this case, the coverage information reported will will be that of the
+# `theLib` library target and `theExe` executable.
+#
+# 1a: Via global command
+#
+# ~~~
+# add_code_coverage() # Adds instrumentation to all targets
+#
+# add_library(theLib lib.cpp)
+#
+# add_executable(theExe main.cpp)
+# target_link_libraries(theExe PRIVATE theLib)
+# target_code_coverage(theExe) # As an executable target, adds the 'ccov-theExe' target (instrumentation already added via global anyways) for generating code coverage reports.
+# ~~~
+#
+# 1b: Via target commands
+#
+# ~~~
+# add_library(theLib lib.cpp)
+# target_code_coverage(theLib) # As a library target, adds coverage instrumentation but no targets.
+#
+# add_executable(theExe main.cpp)
+# target_link_libraries(theExe PRIVATE theLib)
+# target_code_coverage(theExe) # As an executable target, adds the 'ccov-theExe' target and instrumentation for generating code coverage reports.
+# ~~~
+#
+# Example 2: Target instrumented, but with regex pattern of files to be excluded
+# from report
+#
+# ~~~
+# add_executable(theExe main.cpp non_covered.cpp)
+# target_code_coverage(theExe EXCLUDE non_covered.cpp test/*) # As an executable target, the reports will exclude the non-covered.cpp file, and any files in a test/ folder.
+# ~~~
+#
+# Example 3: Target added to the 'ccov' and 'ccov-all' targets
+#
+# ~~~
+# add_code_coverage_all_targets(EXCLUDE test/*) # Adds the 'ccov-all' target set and sets it to exclude all files in test/ folders.
+#
+# add_executable(theExe main.cpp non_covered.cpp)
+# target_code_coverage(theExe AUTO ALL EXCLUDE non_covered.cpp test/*) # As an executable target, adds to the 'ccov' and ccov-all' targets, and the reports will exclude the non-covered.cpp file, and any files in a test/ folder.
+# ~~~
+
+# Options
+option(
+  CODE_COVERAGE
+  "Builds targets with code coverage instrumentation. (Requires GCC or Clang)"
+  OFF)
+
+# Programs
+find_program(LLVM_COV_PATH llvm-cov)
+find_program(LLVM_PROFDATA_PATH llvm-profdata)
+find_program(LCOV_PATH lcov)
+find_program(GENHTML_PATH genhtml)
+
+# Variables
+set(CMAKE_COVERAGE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/ccov)
+
+# Common initialization/checks
+if(CODE_COVERAGE AND NOT CODE_COVERAGE_ADDED)
+  set(CODE_COVERAGE_ADDED ON)
+
+  # Common Targets
+  add_custom_target(
+    ccov-preprocessing
+    COMMAND ${CMAKE_COMMAND} -E make_directory
+            ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}
+    DEPENDS ccov-clean)
+
+  if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+     OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+    # Messages
+    message(STATUS "Building with llvm Code Coverage Tools")
+
+    if(NOT LLVM_COV_PATH)
+      message(FATAL_ERROR "llvm-cov not found! Aborting.")
+    else()
+      # Version number checking for 'EXCLUDE' compatibility
+      execute_process(COMMAND ${LLVM_COV_PATH} --version
+                      OUTPUT_VARIABLE LLVM_COV_VERSION_CALL_OUTPUT)
+      string(REGEX MATCH "[0-9]+\\.[0-9]+\\.[0-9]+" LLVM_COV_VERSION
+                   ${LLVM_COV_VERSION_CALL_OUTPUT})
+
+      if(LLVM_COV_VERSION VERSION_LESS "7.0.0")
+        message(
+          WARNING
+            "target_code_coverage()/add_code_coverage_all_targets() 'EXCLUDE' option only available on llvm-cov >= 7.0.0"
+        )
+      endif()
+    endif()
+
+    # Targets
+    add_custom_target(
+      ccov-clean
+      COMMAND rm -f ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list
+      COMMAND rm -f ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/profraw.list)
+
+    # Used to get the shared object file list before doing the main all-
+    # processing
+    add_custom_target(
+      ccov-libs
+      COMMAND ;
+      COMMENT "libs ready for coverage report.")
+
+  elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+    # Messages
+    message(STATUS "Building with lcov Code Coverage Tools")
+
+    if(CMAKE_BUILD_TYPE)
+      string(TOUPPER ${CMAKE_BUILD_TYPE} upper_build_type)
+      if(NOT ${upper_build_type} STREQUAL "DEBUG")
+        message(
+          WARNING
+            "Code coverage results with an optimized (non-Debug) build may be misleading"
+        )
+      endif()
+    else()
+      message(
+        WARNING
+          "Code coverage results with an optimized (non-Debug) build may be misleading"
+      )
+    endif()
+    if(NOT LCOV_PATH)
+      message(FATAL_ERROR "lcov not found! Aborting...")
+    endif()
+    if(NOT GENHTML_PATH)
+      message(FATAL_ERROR "genhtml not found! Aborting...")
+    endif()
+
+    # Targets
+    add_custom_target(ccov-clean COMMAND ${LCOV_PATH} --directory
+                                         ${CMAKE_BINARY_DIR} --zerocounters)
+
+  else()
+    set(CODE_COVERAGE_ADDED OFF)
+    message(STATUS "Code coverage requires Clang or GCC.(${CMAKE_C_COMPILER_ID})")
+  endif()
+endif()
+
+# Adds code coverage instrumentation to a library, or instrumentation/targets
+# for an executable target.
+# ~~~
+# EXECUTABLE ADDED TARGETS:
+# GCOV/LCOV:
+# ccov : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+# ccov-${TARGET_NAME} : Generates HTML code coverage report for the associated named target.
+# ccov-all : Generates HTML code coverage report, merging every target added with 'ALL' parameter into a single detailed report.
+#
+# LLVM-COV:
+# ccov : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+# ccov-report : Generates HTML code coverage report for every target added with 'AUTO' parameter.
+# ccov-${TARGET_NAME} : Generates HTML code coverage report.
+# ccov-report-${TARGET_NAME} : Prints to command line summary per-file coverage information.
+# ccov-show-${TARGET_NAME} : Prints to command line detailed per-line coverage information.
+# ccov-all : Generates HTML code coverage report, merging every target added with 'ALL' parameter into a single detailed report.
+# ccov-all-report : Prints summary per-file coverage information for every target added with ALL' parameter to the command line.
+#
+# Required:
+# TARGET_NAME - Name of the target to generate code coverage for.
+# Optional:
+# AUTO - Adds the target to the 'ccov' target so that it can be run in a batch with others easily. Effective on executable targets.
+# ALL - Adds the target to the 'ccov-all' and 'ccov-all-report' targets, which merge several executable targets coverage data to a single report. Effective on executable targets.
+# EXTERNAL - For GCC's lcov, allows the profiling of 'external' files from the processing directory
+# EXCLUDE <REGEX_PATTERNS> - Excludes files of the patterns provided from coverage. **These do not copy to the 'all' targets.**
+# OBJECTS <TARGETS> - For executables ONLY, if the provided targets are shared libraries, adds coverage information to the output
+# ~~~
+function(target_code_coverage TARGET_NAME)
+  # Argument parsing
+  set(options AUTO ALL EXTERNAL)
+  set(multi_value_keywords EXCLUDE OBJECTS)
+  cmake_parse_arguments(target_code_coverage "${options}" ""
+                        "${multi_value_keywords}" ${ARGN})
+
+  if(CODE_COVERAGE)
+
+    # Add code coverage instrumentation to the target's linker command
+    if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+       OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+      target_compile_options(${TARGET_NAME} PRIVATE -fprofile-instr-generate
+                                                    -fcoverage-mapping)
+      set_property(
+        TARGET ${TARGET_NAME}
+        APPEND_STRING
+        PROPERTY LINK_FLAGS "-fprofile-instr-generate ")
+      set_property(
+        TARGET ${TARGET_NAME}
+        APPEND_STRING
+        PROPERTY LINK_FLAGS "-fcoverage-mapping ")
+    elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+      target_compile_options(${TARGET_NAME} PRIVATE -fprofile-arcs
+                                                    -ftest-coverage)
+      target_link_libraries(${TARGET_NAME} PRIVATE gcov)
+    endif()
+
+    # Targets
+    get_target_property(target_type ${TARGET_NAME} TYPE)
+
+    # Add shared library to processing for 'all' targets
+    if(target_type STREQUAL "SHARED_LIBRARY" AND target_code_coverage_ALL)
+      if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+         OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+        add_custom_target(
+          ccov-run-${TARGET_NAME}
+          COMMAND echo "-object=$<TARGET_FILE:${TARGET_NAME}>" >>
+                  ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list
+          DEPENDS ccov-preprocessing ${TARGET_NAME})
+
+        if(NOT TARGET ccov-libs)
+          message(
+            FATAL_ERROR
+              "Calling target_code_coverage with 'ALL' must be after a call to 'add_code_coverage_all_targets'."
+          )
+        endif()
+
+        add_dependencies(ccov-libs ccov-run-${TARGET_NAME})
+      endif()
+    endif()
+
+    # For executables add targets to run and produce output
+    if(target_type STREQUAL "EXECUTABLE")
+      if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+         OR CMAKE_CXX_COMPILER_ID MATCHES "(Apple)?Cc]lang")
+
+        # If there are shared objects to also work with, generate the string to
+        # add them here
+        foreach(SO_TARGET ${target_code_coverage_OBJECTS})
+          # Check to see if the target is a shared object
+          if(TARGET ${SO_TARGET})
+            get_target_property(SO_TARGET_TYPE ${SO_TARGET} TYPE)
+            if(${SO_TARGET_TYPE} STREQUAL "SHARED_LIBRARY")
+              set(SO_OBJECTS ${SO_OBJECTS} -object=$<TARGET_FILE:${SO_TARGET}>)
+            endif()
+          endif()
+        endforeach()
+
+        # Run the executable, generating raw profile data
+        add_custom_target(
+          ccov-run-${TARGET_NAME}
+          COMMAND LLVM_PROFILE_FILE=${TARGET_NAME}.profraw
+                  $<TARGET_FILE:${TARGET_NAME}>
+          COMMAND echo "-object=$<TARGET_FILE:${TARGET_NAME}>" >>
+                  ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list
+          COMMAND echo "${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}.profraw " >>
+                  ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/profraw.list
+          DEPENDS ccov-preprocessing ccov-libs ${TARGET_NAME})
+
+        # Merge the generated profile data so llvm-cov can process it
+        add_custom_target(
+          ccov-processing-${TARGET_NAME}
+          COMMAND ${LLVM_PROFDATA_PATH} merge -sparse ${TARGET_NAME}.profraw -o
+                  ${TARGET_NAME}.profdata
+          DEPENDS ccov-run-${TARGET_NAME})
+
+        # Ignore regex only works on LLVM >= 7
+        if(LLVM_COV_VERSION VERSION_GREATER_EQUAL "7.0.0")
+          foreach(EXCLUDE_ITEM ${target_code_coverage_EXCLUDE})
+            set(EXCLUDE_REGEX ${EXCLUDE_REGEX}
+                              -ignore-filename-regex='${EXCLUDE_ITEM}')
+          endforeach()
+        endif()
+
+        # Print out details of the coverage information to the command line
+        add_custom_target(
+          ccov-show-${TARGET_NAME}
+          COMMAND
+            ${LLVM_COV_PATH} show $<TARGET_FILE:${TARGET_NAME}> ${SO_OBJECTS}
+            -instr-profile=${TARGET_NAME}.profdata -show-line-counts-or-regions
+            ${EXCLUDE_REGEX}
+          DEPENDS ccov-processing-${TARGET_NAME})
+
+        # Print out a summary of the coverage information to the command line
+        add_custom_target(
+          ccov-report-${TARGET_NAME}
+          COMMAND ${LLVM_COV_PATH} report $<TARGET_FILE:${TARGET_NAME}>
+                  ${SO_OBJECTS} -instr-profile=${TARGET_NAME}.profdata
+                  ${EXCLUDE_REGEX}
+          DEPENDS ccov-processing-${TARGET_NAME})
+
+        # Generates HTML output of the coverage information for perusal
+        add_custom_target(
+          ccov-${TARGET_NAME}
+          COMMAND
+            ${LLVM_COV_PATH} show $<TARGET_FILE:${TARGET_NAME}> ${SO_OBJECTS}
+            -instr-profile=${TARGET_NAME}.profdata -show-line-counts-or-regions
+            -output-dir=${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/${TARGET_NAME}
+            -format="html" ${EXCLUDE_REGEX}
+          DEPENDS ccov-processing-${TARGET_NAME})
+
+      elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+        set(COVERAGE_INFO
+            "${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/${TARGET_NAME}.info")
+
+        # Run the executable, generating coverage information
+        add_custom_target(
+          ccov-run-${TARGET_NAME}
+          COMMAND $<TARGET_FILE:${TARGET_NAME}>
+          DEPENDS ccov-preprocessing ${TARGET_NAME})
+
+        # Generate exclusion string for use
+        foreach(EXCLUDE_ITEM ${target_code_coverage_EXCLUDE})
+          set(EXCLUDE_REGEX ${EXCLUDE_REGEX} --remove ${COVERAGE_INFO}
+                            '${EXCLUDE_ITEM}')
+        endforeach()
+
+        if(EXCLUDE_REGEX)
+          set(EXCLUDE_COMMAND ${LCOV_PATH} ${EXCLUDE_REGEX} --output-file
+                              ${COVERAGE_INFO})
+        else()
+          set(EXCLUDE_COMMAND ;)
+        endif()
+
+        if(NOT ${target_code_coverage_EXTERNAL})
+          set(EXTERNAL_OPTION --no-external)
+        endif()
+
+        # Capture coverage data
+        add_custom_target(
+          ccov-capture-${TARGET_NAME}
+          COMMAND ${CMAKE_COMMAND} -E remove ${COVERAGE_INFO}
+          COMMAND ${LCOV_PATH} --directory ${CMAKE_BINARY_DIR} --zerocounters
+          COMMAND $<TARGET_FILE:${TARGET_NAME}>
+          COMMAND
+            ${LCOV_PATH} --directory ${CMAKE_BINARY_DIR} --base-directory
+            ${CMAKE_SOURCE_DIR} --capture ${EXTERNAL_OPTION} --output-file
+            ${COVERAGE_INFO}
+          COMMAND ${EXCLUDE_COMMAND}
+          DEPENDS ccov-preprocessing ${TARGET_NAME})
+
+        # Generates HTML output of the coverage information for perusal
+        add_custom_target(
+          ccov-${TARGET_NAME}
+          COMMAND ${GENHTML_PATH} -o
+                  ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/${TARGET_NAME}
+                  ${COVERAGE_INFO}
+          DEPENDS ccov-capture-${TARGET_NAME})
+      endif()
+
+      add_custom_command(
+        TARGET ccov-${TARGET_NAME}
+        POST_BUILD
+        COMMAND ;
+        COMMENT
+          "Open ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/${TARGET_NAME}/index.html in your browser to view the coverage report."
+      )
+
+      # AUTO
+      if(target_code_coverage_AUTO)
+        if(NOT TARGET ccov)
+          add_custom_target(ccov)
+        endif()
+        add_dependencies(ccov ccov-${TARGET_NAME})
+
+        if(NOT CMAKE_COMPILER_IS_GNUCXX)
+          if(NOT TARGET ccov-report)
+            add_custom_target(ccov-report)
+          endif()
+          add_dependencies(ccov-report ccov-report-${TARGET_NAME})
+        endif()
+      endif()
+
+      # ALL
+      if(target_code_coverage_ALL)
+        if(NOT TARGET ccov-all-processing)
+          message(
+            FATAL_ERROR
+              "Calling target_code_coverage with 'ALL' must be after a call to 'add_code_coverage_all_targets'."
+          )
+        endif()
+
+        add_dependencies(ccov-all-processing ccov-run-${TARGET_NAME})
+      endif()
+    endif()
+  endif()
+endfunction()
+
+# Adds code coverage instrumentation to all targets in the current directory and
+# any subdirectories. To add coverage instrumentation to only specific targets,
+# use `target_code_coverage`.
+function(add_code_coverage)
+  if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+     OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+    add_compile_options(-fprofile-instr-generate -fcoverage-mapping)
+    add_link_options(-fprofile-instr-generate -fcoverage-mapping)
+  elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+    add_compile_options(-fprofile-arcs -ftest-coverage)
+    link_libraries(gcov)
+  endif()
+endfunction()
+
+# Adds the 'ccov-all' type targets that calls all targets added via
+# `target_code_coverage` with the `ALL` parameter, but merges all the coverage
+# data from them into a single large report  instead of the numerous smaller
+# reports. Also adds the ccov-all-capture Generates an all-merged.info file, for
+# use with coverage dashboards (e.g. codecov.io, coveralls).
+# ~~~
+# Optional:
+# EXCLUDE <REGEX_PATTERNS> - Excludes files of the regex patterns provided from coverage.
+# ~~~
+function(add_code_coverage_all_targets)
+  # Argument parsing
+  set(multi_value_keywords EXCLUDE)
+  cmake_parse_arguments(add_code_coverage_all_targets "" ""
+                        "${multi_value_keywords}" ${ARGN})
+
+  if(CODE_COVERAGE)
+    if(CMAKE_C_COMPILER_ID MATCHES "[Cc]lang"
+       OR CMAKE_CXX_COMPILER_ID MATCHES "[Cc]lang")
+
+      # Merge the profile data for all of the run executables
+      add_custom_target(
+        ccov-all-processing
+        COMMAND
+          ${LLVM_PROFDATA_PATH} merge -o
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged.profdata -sparse `cat
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/profraw.list`)
+
+      # Regex exclude only available for LLVM >= 7
+      if(LLVM_COV_VERSION VERSION_GREATER_EQUAL "7.0.0")
+        foreach(EXCLUDE_ITEM ${add_code_coverage_all_targets_EXCLUDE})
+          set(EXCLUDE_REGEX ${EXCLUDE_REGEX}
+                            -ignore-filename-regex='${EXCLUDE_ITEM}')
+        endforeach()
+      endif()
+
+      # Print summary of the code coverage information to the command line
+      add_custom_target(
+        ccov-all-report
+        COMMAND
+          ${LLVM_COV_PATH} report `cat
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list`
+          -instr-profile=${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged.profdata
+          ${EXCLUDE_REGEX}
+        DEPENDS ccov-all-processing)
+
+      # Export coverage information so continuous integration tools (e.g.
+      # Jenkins) can consume it
+      add_custom_target(
+        ccov-all-export
+        COMMAND
+          ${LLVM_COV_PATH} export `cat
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list`
+          -instr-profile=${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged.profdata
+          -format="text" ${EXCLUDE_REGEX} >
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/coverage.json
+        DEPENDS ccov-all-processing)
+
+      # Generate HTML output of all added targets for perusal
+      add_custom_target(
+        ccov-all
+        COMMAND
+          ${LLVM_COV_PATH} show `cat
+          ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/binaries.list`
+          -instr-profile=${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged.profdata
+          -show-line-counts-or-regions
+          -output-dir=${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged
+          -format="html" ${EXCLUDE_REGEX}
+        DEPENDS ccov-all-processing)
+
+    elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
+      set(COVERAGE_INFO "${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged.info")
+
+      # Nothing required for gcov
+      add_custom_target(ccov-all-processing COMMAND ;)
+
+      # Exclusion regex string creation
+      foreach(EXCLUDE_ITEM ${add_code_coverage_all_targets_EXCLUDE})
+        set(EXCLUDE_REGEX ${EXCLUDE_REGEX} --remove ${COVERAGE_INFO}
+                          '${EXCLUDE_ITEM}')
+      endforeach()
+
+      if(EXCLUDE_REGEX)
+        set(EXCLUDE_COMMAND ${LCOV_PATH} ${EXCLUDE_REGEX} --output-file
+                            ${COVERAGE_INFO})
+      else()
+        set(EXCLUDE_COMMAND ;)
+      endif()
+
+      # Capture coverage data
+      add_custom_target(
+        ccov-all-capture
+        COMMAND ${CMAKE_COMMAND} -E remove ${COVERAGE_INFO}
+        COMMAND ${LCOV_PATH} --directory ${CMAKE_BINARY_DIR} --capture
+                --output-file ${COVERAGE_INFO}
+        COMMAND ${EXCLUDE_COMMAND}
+        DEPENDS ccov-all-processing)
+
+      # Generates HTML output of all targets for perusal
+      add_custom_target(
+        ccov-all
+        COMMAND ${GENHTML_PATH} -o ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged
+                ${COVERAGE_INFO}
+        DEPENDS ccov-all-capture)
+
+    endif()
+
+    add_custom_command(
+      TARGET ccov-all
+      POST_BUILD
+      COMMAND ;
+      COMMENT
+        "Open ${CMAKE_COVERAGE_OUTPUT_DIRECTORY}/all-merged/index.html in your browser to view the coverage report."
+    )
+  endif()
+endfunction()
diff --git a/config/sanitizer/sanitizers.cmake b/config/sanitizer/sanitizers.cmake
new file mode 100644
index 0000000..d5f9a0f
--- /dev/null
+++ b/config/sanitizer/sanitizers.cmake
@@ -0,0 +1,94 @@
+#
+# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
+#
+# 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.
+
+set(USE_SANITIZER
+    ""
+    CACHE
+      STRING
+      "Compile with a sanitizer. Options are: Address, Memory, MemoryWithOrigins, Undefined, Thread, Leak, 'Address;Undefined'"
+)
+
+function(append value)
+  foreach(variable ${ARGN})
+    set(${variable}
+        "${${variable}} ${value}"
+        PARENT_SCOPE)
+  endforeach(variable)
+endfunction()
+
+if(USE_SANITIZER)
+  append("-fno-omit-frame-pointer" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+
+  if(UNIX)
+
+    if(uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")
+      append("-O1" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+    endif()
+
+    if(USE_SANITIZER MATCHES "([Aa]ddress);([Uu]ndefined)"
+       OR USE_SANITIZER MATCHES "([Uu]ndefined);([Aa]ddress)")
+      message(STATUS "Building with Address, Undefined sanitizers")
+      append("-fsanitize=address,undefined" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE AddressSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Aa]ddress)")
+      # Optional: -fno-optimize-sibling-calls -fsanitize-address-use-after-scope
+      message(STATUS "Building with Address sanitizer")
+      append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE AddressSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Mm]emory([Ww]ith[Oo]rigins)?)")
+      # Optional: -fno-optimize-sibling-calls -fsanitize-memory-track-origins=2
+      append("-fsanitize=memory" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      if(USE_SANITIZER MATCHES "([Mm]emory[Ww]ith[Oo]rigins)")
+        message(STATUS "Building with MemoryWithOrigins sanitizer")
+        append("-fsanitize-memory-track-origins" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      else()
+        message(STATUS "Building with Memory sanitizer")
+      endif()
+      set(MEMCHECK_TYPE MemorySanitizer)
+    elseif(USE_SANITIZER MATCHES "([Uu]ndefined)")
+      message(STATUS "Building with Undefined sanitizer")
+      append("-fsanitize=undefined" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      if(EXISTS "${BLACKLIST_FILE}")
+        append("-fsanitize-blacklist=${BLACKLIST_FILE}" CMAKE_C_FLAGS
+               CMAKE_CXX_FLAGS)
+      endif()
+      set(MEMCHECK_TYPE UndefinedBehaviorSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Tt]hread)")
+      message(STATUS "Building with Thread sanitizer")
+      append("-fsanitize=thread" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE ThreadSanitizer)
+    elseif(USE_SANITIZER MATCHES "([Ll]eak)")
+      message(STATUS "Building with Leak sanitizer")
+      append("-fsanitize=leak" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+      set(MEMCHECK_TYPE LeakSanitizer)
+    else()
+      message(
+        FATAL_ERROR "Unsupported value of USE_SANITIZER: ${USE_SANITIZER}")
+    endif()
+  elseif(MSVC)
+    if(USE_SANITIZER MATCHES "([Aa]ddress)")
+      message(STATUS "Building with Address sanitizer")
+      append("-fsanitize=address" CMAKE_C_FLAGS CMAKE_CXX_FLAGS)
+    else()
+      message(
+        FATAL_ERROR
+          "This sanitizer not yet supported in the MSVC environment: ${USE_SANITIZER}"
+      )
+    endif()
+  else()
+    message(FATAL_ERROR "USE_SANITIZER is not supported on this platform.")
+  endif()
+
+endif()
diff --git a/config/sanitizer/tools.cmake b/config/sanitizer/tools.cmake
new file mode 100644
index 0000000..a44022f
--- /dev/null
+++ b/config/sanitizer/tools.cmake
@@ -0,0 +1,111 @@
+#
+# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
+#
+# 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.
+
+option(CLANG_TIDY "Turns on clang-tidy processing if it is found." OFF)
+option(IWYU "Turns on include-what-you-use processing if it is found." OFF)
+option(CPPCHECK "Turns on cppcheck processing if it is found." OFF)
+
+# Adds clang-tidy checks to the compilation, with the given arguments being used
+# as the options set.
+macro(clang_tidy)
+  if(CLANG_TIDY AND CLANG_TIDY_EXE)
+    set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_EXE} ${ARGN})
+  endif()
+endmacro()
+
+# Adds include_what_you_use to the compilation, with the given arguments being
+# used as the options set.
+macro(include_what_you_use)
+  if(IWYU AND IWYU_EXE)
+    set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${IWYU_EXE};${IWYU_STRING}")
+  endif()
+endmacro()
+
+# Adds cppcheck to the compilation, with the given arguments being used as the
+# options set.
+macro(cppcheck)
+  if(CPPCHECK AND CPPCHECK_EXE)
+    set(CMAKE_CXX_CPPCHECK "${CPPCHECK_EXE};${CPPCHECK_STRING}")
+  endif()
+endmacro()
+
+find_program(CLANG_TIDY_EXE NAMES "clang-tidy")
+if(CLANG_TIDY_EXE)
+  message(STATUS "clang-tidy found: ${CLANG_TIDY_EXE}")
+  if(NOT CLANG_TIDY)
+    message(STATUS "clang-tidy NOT ENABLED via 'CLANG_TIDY' variable!")
+    set(CMAKE_CXX_CLANG_TIDY
+        ""
+        CACHE STRING "" FORCE) # delete it
+  endif()
+elseif(CLANG_TIDY)
+  message(SEND_ERROR "Cannot enable clang-tidy, as executable not found!")
+  set(CMAKE_CXX_CLANG_TIDY
+      ""
+      CACHE STRING "" FORCE) # delete it
+else()
+  message(STATUS "clang-tidy not found!")
+  set(CMAKE_CXX_CLANG_TIDY
+      ""
+      CACHE STRING "" FORCE) # delete it
+endif()
+
+find_program(IWYU_EXE NAMES "include-what-you-use")
+if(IWYU_EXE)
+  message(STATUS "include-what-you-use found: ${IWYU_EXE}")
+  if(NOT IWYU)
+    message(STATUS "include-what-you-use NOT ENABLED via 'IWYU' variable!")
+    set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
+        ""
+        CACHE STRING "" FORCE) # delete it
+  endif()
+elseif(IWYU)
+  message(
+    SEND_ERROR "Cannot enable include-what-you-use, as executable not found!")
+  set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
+      ""
+      CACHE STRING "" FORCE) # delete it
+else()
+  message(STATUS "include-what-you-use not found!")
+  set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
+      ""
+      CACHE STRING "" FORCE) # delete it
+endif()
+
+find_program(CPPCHECK_EXE NAMES "cppcheck")
+if(CPPCHECK_EXE)
+  message(STATUS "cppcheck found: ${CPPCHECK_EXE}")
+  if(CPPECHECK)
+    set(CMAKE_CXX_CPPCHECK
+        "${CPPCHECK_EXE};--enable=warning,performance,portability,missingInclude;--template=\"[{severity}][{id}] {message} {callstack} \(On {file}:{line}\)\";--suppress=missingIncludeSystem;--quiet;--verbose;--force"
+    )
+  endif()
+  if(NOT CPPCHECK)
+    message(STATUS "cppcheck NOT ENABLED via 'CPPCHECK' variable!")
+    set(CMAKE_CXX_CPPCHECK
+        ""
+        CACHE STRING "" FORCE) # delete it
+  endif()
+elseif(CPPCHECK)
+  message(SEND_ERROR "Cannot enable cppcheck, as executable not found!")
+  set(CMAKE_CXX_CPPCHECK
+      ""
+      CACHE STRING "" FORCE) # delete it
+else()
+  message(STATUS "cppcheck not found!")
+  set(CMAKE_CXX_CPPCHECK
+      ""
+      CACHE STRING "" FORCE) # delete it
+endif()