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   set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
   8 else()
   9   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
  10   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
  11 endif()
  12
  13 if(enable_compile_warnings)
  14   set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wclobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror -Wno-error=clobbered ")
  15   if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  16     set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  17   endif()
  18   if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
  19     string(REPLACE "-Wclobbered " "" warnCFLAGS "${warnCFLAGS}")
  20   endif()
  21
  22   set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack
  23
  24   set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
  25 endif()
  26
  27 if(enable_compile_optimizations)
  28   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  29   if(WIN32)
  30     if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
  31     # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
  32       set(optCFLAGS "${optCFLAGS} -flto ")
  33     endif()
  34   else()
  35     # On non-windows, 4.6 is enough for that
  36     if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
  37       set(optCFLAGS "${optCFLAGS} -flto ")
  38     endif()
  39   endif()
  40 else()
  41   set(optCFLAGS "-O0 ")
  42 endif()
  43
  44 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  45   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  46   set(optCFLAGS "-O0 ")
  47 endif()
  48
  49 if(NOT enable_debug)
  50   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  51 endif()
  52
  53 if(enable_msg_deprecated)
  54   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  55 endif()
  56
  57 set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
  58
  59 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  60
  61 # Try to make Mac a bit more complient to open source standards
  62 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  63   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  64 endif()
  65
  66 set(TESH_OPTION "")
  67 if(enable_coverage)
  68   find_program(GCOV_PATH gcov)
  69   if(GCOV_PATH)
  70     SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
  71     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
  72     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
  73     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
  74     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
  75     set(TESH_OPTION --enable-coverage)
  76     add_definitions(-fprofile-arcs -ftest-coverage)
  77   endif()
  78 endif()
  79
  80 if(NOT $ENV{CFLAGS} STREQUAL "")
  81   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
  82   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
  83 endif()
  84
  85 if(NOT $ENV{LDFLAGS} STREQUAL "")
  86   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
  87   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
  88 endif()
  89
  90 if(enable_model-checking AND enable_compile_optimizations)
  91   message(WARNING "Sorry for now GCC optimizations does not work with model checking.\nPlease turn off optimizations with command:\ncmake -Denable_compile_optimizations=off .")
  92 endif()