buildtools/Cmake/Flags.cmake

   1 set(warnCFLAGS "")
   2 set(optCFLAGS "")
   3
   4 if(NOT __VISUALC__ AND NOT __BORLANDC__)
   5   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-g3")
   6   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
   7 else()
   8   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
   9   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
  10 endif()
  11
  12 if(enable_compile_warnings)
  13   set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wclobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror -Wno-error=clobbered ")
  14   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  15     set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  16   endif()
  17 endif()
  18
  19 if(enable_compile_optimizations)
  20   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  21   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  22     set(optCFLAGS "${optCFLAGS}-flto ")
  23   endif()
  24 else()
  25   set(optCFLAGS "-O0 ")
  26 endif()
  27
  28 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  29   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  30   set(optCFLAGS "-O0 ")
  31 endif()
  32
  33 if(NOT enable_debug)
  34   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  35 endif()
  36
  37 if(enable_msg_deprecated)
  38   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  39 endif()
  40
  41 set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
  42
  43 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  44
  45 # Try to make Mac a bit more complient to open source standards
  46 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  47   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  48 endif()
  49
  50 set(TESH_OPTION "")
  51 if(enable_coverage)
  52   find_program(GCOV_PATH gcov)
  53   if(GCOV_PATH)
  54     SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
  55     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
  56     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
  57     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
  58     set(TESH_OPTION --enable-coverage)
  59     add_definitions(-fprofile-arcs -ftest-coverage)
  60   endif()
  61 endif()
  62
  63 if(NOT $ENV{CFLAGS} STREQUAL "")
  64   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
  65   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
  66 endif()
  67
  68 if(NOT $ENV{LDFLAGS} STREQUAL "")
  69   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
  70   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
  71 endif()
  72
  73 if(enable_model-checking AND enable_compile_optimizations)
  74   message(WARNING "Sorry for now GCC optimizations does not work with model checking.\nPlease turn off optimizations with command:\ncmake -Denable_compile_optimizations=off. ")
  75 endif()