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