1#
2# Copyright (C) 2018 by George Cave - gcave@stablecoder.ca
3#
4# Licensed under the Apache License, Version 2.0 (the "License"); you may not
5# use this file except in compliance with the License. You may obtain a copy of
6# the License at
7#
8# http://www.apache.org/licenses/LICENSE-2.0
9#
10# Unless required by applicable law or agreed to in writing, software
11# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13# License for the specific language governing permissions and limitations under
14# the License.
15
16option(CLANG_TIDY "Turns on clang-tidy processing if it is found." OFF)
17option(IWYU "Turns on include-what-you-use processing if it is found." OFF)
18option(CPPCHECK "Turns on cppcheck processing if it is found." OFF)
19
20# Adds clang-tidy checks to the compilation, with the given arguments being used
21# as the options set.
22macro(clang_tidy)
23  if(CLANG_TIDY AND CLANG_TIDY_EXE)
24    set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_EXE} ${ARGN})
25  endif()
26endmacro()
27
28# Adds include_what_you_use to the compilation, with the given arguments being
29# used as the options set.
30macro(include_what_you_use)
31  if(IWYU AND IWYU_EXE)
32    set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE "${IWYU_EXE};${IWYU_STRING}")
33  endif()
34endmacro()
35
36# Adds cppcheck to the compilation, with the given arguments being used as the
37# options set.
38macro(cppcheck)
39  if(CPPCHECK AND CPPCHECK_EXE)
40    set(CMAKE_CXX_CPPCHECK "${CPPCHECK_EXE};${CPPCHECK_STRING}")
41  endif()
42endmacro()
43
44find_program(CLANG_TIDY_EXE NAMES "clang-tidy")
45if(CLANG_TIDY_EXE)
46  message(STATUS "clang-tidy found: ${CLANG_TIDY_EXE}")
47  if(NOT CLANG_TIDY)
48    message(STATUS "clang-tidy NOT ENABLED via 'CLANG_TIDY' variable!")
49    set(CMAKE_CXX_CLANG_TIDY
50        ""
51        CACHE STRING "" FORCE) # delete it
52  endif()
53elseif(CLANG_TIDY)
54  message(SEND_ERROR "Cannot enable clang-tidy, as executable not found!")
55  set(CMAKE_CXX_CLANG_TIDY
56      ""
57      CACHE STRING "" FORCE) # delete it
58else()
59  message(STATUS "clang-tidy not found!")
60  set(CMAKE_CXX_CLANG_TIDY
61      ""
62      CACHE STRING "" FORCE) # delete it
63endif()
64
65find_program(IWYU_EXE NAMES "include-what-you-use")
66if(IWYU_EXE)
67  message(STATUS "include-what-you-use found: ${IWYU_EXE}")
68  if(NOT IWYU)
69    message(STATUS "include-what-you-use NOT ENABLED via 'IWYU' variable!")
70    set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
71        ""
72        CACHE STRING "" FORCE) # delete it
73  endif()
74elseif(IWYU)
75  message(
76    SEND_ERROR "Cannot enable include-what-you-use, as executable not found!")
77  set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
78      ""
79      CACHE STRING "" FORCE) # delete it
80else()
81  message(STATUS "include-what-you-use not found!")
82  set(CMAKE_CXX_INCLUDE_WHAT_YOU_USE
83      ""
84      CACHE STRING "" FORCE) # delete it
85endif()
86
87find_program(CPPCHECK_EXE NAMES "cppcheck")
88if(CPPCHECK_EXE)
89  message(STATUS "cppcheck found: ${CPPCHECK_EXE}")
90  if(CPPECHECK)
91    set(CMAKE_CXX_CPPCHECK
92        "${CPPCHECK_EXE};--enable=warning,performance,portability,missingInclude;--template=\"[{severity}][{id}] {message} {callstack} \(On {file}:{line}\)\";--suppress=missingIncludeSystem;--quiet;--verbose;--force"
93    )
94  endif()
95  if(NOT CPPCHECK)
96    message(STATUS "cppcheck NOT ENABLED via 'CPPCHECK' variable!")
97    set(CMAKE_CXX_CPPCHECK
98        ""
99        CACHE STRING "" FORCE) # delete it
100  endif()
101elseif(CPPCHECK)
102  message(SEND_ERROR "Cannot enable cppcheck, as executable not found!")
103  set(CMAKE_CXX_CPPCHECK
104      ""
105      CACHE STRING "" FORCE) # delete it
106else()
107  message(STATUS "cppcheck not found!")
108  set(CMAKE_CXX_CPPCHECK
109      ""
110      CACHE STRING "" FORCE) # delete it
111endif()
112