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 "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
  19     endif()
  20     if(COMPILER_C_VERSION_MAJOR_MINOR STREQUAL "4.6")
  21     #some old compilers emit bogus warnings here, see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45978 . Avoid failing the build in this case
  22       set(warnCFLAGS "${warnCFLAGS}-Wno-error=array-bounds")
  23     endif()
  24   endif()
  25
  26   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra  -Wunused -Wpointer-arith -Wchar-subscripts -Wcomment -Wno-unknown-warning-option -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wclobbered -Wno-error=clobbered -Wno-format-nonliteral -Werror")
  27
  28   set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack
  29
  30   set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
  31 endif()
  32
  33 if(enable_compile_optimizations)
  34   set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
  35   if(CMAKE_COMPILER_IS_GNUCC AND (NOT enable_model-checking))
  36     if(WIN32)
  37       if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
  38       # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
  39         set(optCFLAGS "${optCFLAGS} -flto ")
  40       endif()
  41     else()
  42       # On non-windows, 4.6 is enough for that
  43       if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5" AND LINKER_VERSION STRGREATER "2.22")
  44         set(optCFLAGS "${optCFLAGS} -flto ")
  45       endif()
  46     endif()
  47   endif()
  48 else()
  49   set(optCFLAGS "-O0 ")
  50 endif()
  51
  52 if(enable_model-checking AND enable_compile_optimizations)
  53   # Forget it, do not optimize the code (because it confuses the MC):
  54   set(optCFLAGS "-O0 ")
  55   # But you can still optimize this:
  56   foreach(s
  57       # src/xbt/mmalloc/mm.c
  58       # src/xbt/snprintf.c src/xbt/log.c
  59       # src/xbt/dynar.c
  60       # src/xbt/set.c src/xbt/setset.c
  61       # src/xbt/backtrace_linux.c
  62       src/mc/mc_dwarf_expression.c src/mc/mc_dwarf.c src/mc/mc_member.c
  63       src/mc/mc_snapshot.c src/mc/mc_page_store.cpp src/mc/mc_page_snapshot.cpp
  64       src/mc/mc_compare.cpp src/mc/mc_diff.c
  65       src/mc/mc_dwarf.c src/mc/mc_dwarf_attrnames.h src/mc/mc_dwarf_expression.c src/mc/mc_dwarf_tagnames.h
  66       src/mc/mc_set.cpp)
  67     set_source_files_properties(${s} PROPERTIES COMPILE_FLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing")
  68   endforeach()
  69 endif()
  70
  71 if(enable_mc_content_adressable_pages)
  72   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMC_PAGE_STORE_MD4")
  73   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMC_PAGE_STORE_MD4")
  74 endif()
  75
  76 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
  77   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
  78   set(optCFLAGS "-O0 ")
  79 endif()
  80
  81 if(NOT enable_debug)
  82   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
  83   set(CMAKE_CXX_FLAGS "-DNDEBUG ${CMAKE_CXX_FLAGS}")
  84 endif()
  85
  86 if(enable_msg_deprecated)
  87   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
  88 endif()
  89
  90 set(CMAKE_C_FLAGS "${optCFLAGS} ${warnCFLAGS} ${CMAKE_C_FLAGS}")
  91
  92 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
  93
  94 # Try to make Mac a bit more complient to open source standards
  95 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
  96   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
  97 endif()
  98
  99 set(TESH_OPTION "")
 100 if(enable_coverage)
 101   find_program(GCOV_PATH gcov)
 102   if(GCOV_PATH)
 103     set(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
 104     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
 105     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
 106     set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
 107     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
 108     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
 109     set(TESH_OPTION --enable-coverage)
 110     add_definitions(-fprofile-arcs -ftest-coverage)
 111   endif()
 112 endif()
 113
 114 if(NOT $ENV{CFLAGS} STREQUAL "")
 115   message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
 116   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
 117 endif()
 118
 119 if(NOT $ENV{CXXFLAGS} STREQUAL "")
 120   message(STATUS "Add CXXFLAGS: \"$ENV{CXXFLAGS}\" to CMAKE_CXX_FLAGS")
 121   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{CXXFLAGS}")
 122 endif()
 123
 124 if(NOT $ENV{LDFLAGS} STREQUAL "")
 125   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
 126   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
 127 endif()