1  
  2  cmake_minimum_required(VERSION 3.23)
  3  
  4  project(C_Skeleton
  5      VERSION 0.1.0
  6      )
  7  
  8  option(USE_MISRA "Use MISRA checks" Off)
  9  option(USE_CLANG_TIDY "Use clang-tidy checks" On)
 10  
 11  set(CMAKE_EXPORT_COMPILE_COMMANDS true)
 12  
 13  if(USE_CLANG_TIDY)
 14    set(CMAKE_CXX_CLANG_TIDY clang-tidy-devel -config-file=.clang-tidy.yaml -format-style=file)
 15    set(CMAKE_C_CLANG_TIDY clang-tidy-devel -config-file=.clang-tidy.yaml -format-style=file)
 16  endif(USE_CLANG_TIDY)
 17  
 18  
 19  if(CMAKE_C_COMPILER_ID STREQUAL "GNU")
 20  
 21      message("Found GNU C compiler")
 22  
 23      set(PIE_COMPILE_OPTS -fPIE -pie)
 24      set(PIE_LINK_OPTS -fPIE -pie -Wl,-z,relro,-z,now)
 25  
 26      set(
 27          SAFETY_COMPILE_OPTS
 28          -D_FORTIFY_SOURCE=3
 29          -D_GLIBCXX_ASSERTIONS
 30          -ftrivial-auto-var-init=zero
 31          -fstack-protector-all
 32          -fstack-clash-protection
 33          -fcf-protection=full
 34      )
 35  
 36      set(
 37          SAFETY_LINK_OPTS
 38          -fstack-protector-all
 39          -fstack-clash-protection
 40          -fcf-protection=full
 41          -fzero-call-used-regs=all
 42      )
 43  
 44  else(CMAKE_C_COMPILER_ID STREQUAL "GNU") # NOT gcc
 45  
 46      message("Found other C compiler")
 47  
 48      set(PIE_COMPILE_OPTS -fPIE)
 49      set(PIE_LINK_OPTS -fPIE -Wl,-z,relro,-z,now)
 50  
 51      set(
 52          SAFETY_COMPILE_OPTS
 53          -D_FORTIFY_SOURCE=3
 54          -D_GLIBCXX_ASSERTIONS
 55          -ftrivial-auto-var-init=zero
 56          -fstack-protector-all
 57          -fstack-clash-protection
 58          -fcf-protection=full
 59      )
 60  
 61      set(
 62          SAFETY_LINK_OPTS
 63          -fstack-protector-all
 64          -fstack-clash-protection
 65          -fcf-protection=full
 66          -fzero-call-used-regs=all
 67      )
 68  
 69  endif(CMAKE_C_COMPILER_ID STREQUAL "GNU")
 70  
 71  add_executable(
 72      a_program
 73      src/main.c
 74      )
 75  
 76  target_compile_options(
 77      a_program
 78      PRIVATE
 79      -std=c23
 80      -Wall
 81      -Werror
 82      -g
 83      -std=gnu17
 84      ${PIE_COMPILE_OPTS}
 85      ${SAFETY_COMPILE_OPTS}
 86      -I/usr/local/include
 87      )
 88  
 89  target_link_libraries(
 90      a_program
 91      ${PIE_LINK_OPTS}
 92      ${SAFETY_LINK_OPTS}
 93      -L/usr/local/lib
 94      pthread
 95      rt
 96      )
 97  
 98  if(USE_MISRA)
 99  
100    add_custom_target(check
101        COMMAND
102            cppcheck --addon=.misra.json --enable=all --inline-suppr src
103        VERBATIM
104    )
105  
106  else(USE_MISRA)
107  
108    add_custom_target(check
109        COMMAND
110            cppcheck --enable=all --inline-suppr src
111        VERBATIM
112    )
113  
114  endif(USE_MISRA)