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