cmake: New CMake option CPPCHECK_EXTRA_FLAGS

It can be used to pass additional command line flags to `cppcheck`.
krivenko · Jul 18, 2024 · bd58913 · bd58913
1 parent 9f7f09e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,8 @@ All notable changes to this project will be documented in this file.
   Credits to Dr. Cezary Śliwa for providing the patch.
 - Whenever possible, use compiler intrinsics to speed up complex bit
   manipulation operations (``popcount``).
+- New CMake option ``CPPCHECK_EXTRA_FLAGS``. It can be used to pass additional
+  command line flags to ``cppcheck``.
 
 ## [0.7.2] - 2022-11-12
 

diff --git a/cmake/StaticAnalysis.cmake b/cmake/StaticAnalysis.cmake
@@ -28,7 +28,11 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.10)
   find_program(CPPCHECK_EXECUTABLE
                NAMES "cppcheck" REQUIRED
                DOC "Path to the cppcheck executable")
+  set(CPPCHECK_EXTRA_FLAGS "" CACHE STRING
+      "Semicolon-separated list of additional flags to be passed to cppcheck")
+
   mark_as_advanced(CPPCHECK_EXECUTABLE)
+  mark_as_advanced(CPPCHECK_EXTRA_FLAGS)
 
   message(STATUS "Using cppcheck: ${CPPCHECK_EXECUTABLE}")
   set(CMAKE_CXX_CPPCHECK
@@ -41,6 +45,11 @@ if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.10)
       "--force"
       "--quiet"
   )
+
+  if(CPPCHECK_EXTRA_FLAGS)
+    message(STATUS "Extra flags passed to cppcheck: ${CPPCHECK_EXTRA_FLAGS}")
+    list(APPEND CMAKE_CXX_CPPCHECK ${CPPCHECK_EXTRA_FLAGS})
+  endif(CPPCHECK_EXTRA_FLAGS)
 else(CMAKE_VERSION VERSION_GREATER_EQUAL 3.10)
   message(WARNING "CMake >= 3.10 is required to run cppcheck")
 endif(CMAKE_VERSION VERSION_GREATER_EQUAL 3.10)
diff --git a/doc/installation.rst b/doc/installation.rst
@@ -96,3 +96,6 @@ meaning.
 +------------------------------+-----------------------------------------------+
 | ``CPPCHECK_EXECUTABLE``      | [DEV] Path to the ``cppcheck`` executable.    |
 +------------------------------+-----------------------------------------------+
+| ``CPPCHECK_EXTRA_FLAGS``     | [DEV] Semicolon-separated list of additional  |
+|                              | flags to be passed to ``cppcheck``.           |
++------------------------------+-----------------------------------------------+