buildtools/Cmake/Flags.cmake

   1 set(warnCFLAGS "")
   2 set(optCFLAGS "")
   3
   4 if(NOT __VISUALC__ AND NOT __BORLANDC__)
   5   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-std=gnu99 -g3")
   6   set(CMAKE_CXX_FLAGS "${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 "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  19     endif()
  20   endif()
  21
  22   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror")
  23
  24   set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack
  25
  26   set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
  27 endif()
  28
  29 if(enable_compile_optimizations)
  30   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  31   if(CMAKE_COMPILER_IS_GNUCC AND (NOT enable_model-checking))
  32     if(WIN32)
  33       if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
  34       # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
  35         set(optCFLAGS "${optCFLAGS} -flto ")
  36       endif()
  37     else()
  38       # On non-windows, 4.6 is enough for that
  39       if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5" AND LINKER_VERSION STRGREATER "2.22")
  40         set(optCFLAGS "${optCFLAGS} -flto ")
  41       endif()
  42     endif()
  43   endif()
  44 else()
  45   set(optCFLAGS "-O0 ")
  46 endif()
  47
  48 if(enable_model-checking AND enable_compile_optimizations)
  49   # Forget it, do not optimize the code (because it confuses the MC):
  50   set(optCFLAGS "-O0 ")
  51   # But you can still optimize this:
  52   foreach(s
  53       src/mc/mc_snapshot.c src/mc/mc_page_store.cpp src/mc/mc_page_snapshot.cpp
  54       src/mc/mc_compare.c src/mc/mc_diff.c
  55       src/mc/mc_dwarf.c src/mc/mc_dwarf_attrnames.h src/mc/mc_dwarf_expression.c src/mc/mc_dwarf_tagnames.h
  56       src/mc/mc_set.cpp)
  57     set_source_files_properties(${s} PROPERTIES COMPILE_FLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing")
  58   endforeach()
  59 endif()
  60
  61 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  62   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  63   set(optCFLAGS "-O0 ")
  64 endif()
  65
  66 if(NOT enable_debug)
  67   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  68 endif()
  69
  70 if(enable_msg_deprecated)
  71   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  72 endif()
  73
  74 set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
  75
  76 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  77
  78 # Try to make Mac a bit more complient to open source standards
  79 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  80   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  81 endif()
  82
  83 set(TESH_OPTION "")
  84 if(enable_coverage)
  85   find_program(GCOV_PATH gcov)
  86   if(GCOV_PATH)
  87     set(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
  88     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
  89     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
  90     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
  91     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
  92     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
  93     set(TESH_OPTION --enable-coverage)
  94     add_definitions(-fprofile-arcs -ftest-coverage)
  95   endif()
  96 endif()
  97
  98 if(NOT $ENV{CFLAGS} STREQUAL "")
  99   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
 100   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
 101 endif()
 102
 103 if(NOT $ENV{CXXFLAGS} STREQUAL "")
 104   message(STATUS "Add CXXFLAGS: \"$ENV{CXXFLAGS}\" to CMAKE_CXX_FLAGS")
 105   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{CXXFLAGS}")
 106 endif()
 107
 108 if(NOT $ENV{LDFLAGS} STREQUAL "")
 109   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
 110   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
 111 endif()