cmake/TargetAnalyzer.cmake

   1 get_cmake_property(ENABLED_LANGUAGES ENABLED_LANGUAGES)
   2 include(CheckCXXCompilerFlag)
   3 include(CheckCCompilerFlag)
   4
   5 function(list_append var)
   6   foreach(arg ${ARGN})
   7     list(FIND ${var} ${arg} found)
   8     if(${found} EQUAL -1)
   9       list(APPEND ${var} ${arg})
  10     endif()
  11   endforeach()
  12   set(${var} ${${var}} PARENT_SCOPE)
  13 endfunction()
  14
  15 macro(analyzer_flag)
  16   foreach(arg ${ARGN})
  17     string(REPLACE "+" "x" var ${arg})
  18     string(REGEX REPLACE "[^A-Za-z0-9_-]+" "-" var ${var})
  19     list(FIND ENABLED_LANGUAGES C found)
  20     if(${found} GREATER -1)
  21       check_c_compiler_flag(${arg} cx${var})
  22       if(cx${var})
  23         list_append(ANALYZER_CX ${arg})
  24       endif()
  25     endif()
  26     list(FIND ENABLED_LANGUAGES CXX found)
  27     if(${found} GREATER -1)
  28       check_cxx_compiler_flag(${arg} cx${var})
  29       if(cx${var})
  30         list_append(ANALYZER_CX ${arg})
  31       endif()
  32     endif()
  33   endforeach()
  34 endmacro()
  35
  36 if(CMAKE_C_COMPILER_ID MATCHES "MSVC" OR CMAKE_CXX_COMPILER_ID MATCHES "MSVC")
  37   # https://learn.microsoft.com/en-us/cpp/build/reference/analyze-code-analysis
  38   analyzer_flag(/analyze)
  39 elseif(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "GNU")
  40   # https://gcc.gnu.org/onlinedocs/gcc-10.1.0/gcc/Static-Analyzer-Options.html
  41   analyzer_flag(-fanalyzer) # 10.1+
  42 endif()
  43
  44 function(target_compile_analyzer)
  45   foreach(target ${ARGN})
  46     target_compile_options(${target} PRIVATE ${ANALYZER_CX})
  47   endforeach()
  48 endfunction()