X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a7bdba363a829744d9da86412cc2f30d365daed0..3e39df11f9163e4e421be8d8fc31b71eacf8f6fe:/buildtools/Cmake/Flags.cmake

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 2a2a96f31a..b3dc83771c 100644
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -1,37 +1,118 @@
 set(warnCFLAGS "")
 set(optCFLAGS "")
 
-if(NOT __VISUALC__ AND NOT __BORLANDC__)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-g3")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
+##
+## Request full debugging flags
+##
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -g3")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g3")
+set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
+
+##
+## We need a decent support of the c++11 standard
+##
+include(CheckCXXCompilerFlag)
+CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
+if(COMPILER_SUPPORTS_CXX11)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
+else()
+  message(FATAL_ERROR 
+          "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. "
+	  "Please use a decent C++ compiler.")
+endif()
+if (CMAKE_COMPILER_IS_GNUCC)
+  if (COMPILER_CXX_VERSION_MAJOR_MINOR STRLESS "4.7")
+    message(FATAL_ERROR
+            "SimGrid needs g++ version 4.7 to compile "
+	    "(c++11 support of previous versions is too limited).")
+  endif()
+endif()
+
+###
+### And we need C11 standard, too
+###
+include(CheckCCompilerFlag)
+CHECK_C_COMPILER_FLAG("-std=gnu11" COMPILER_SUPPORTS_C11)
+if(COMPILER_SUPPORTS_C11)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu11")
 else()
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
+  message(FATAL_ERROR 
+          "The compiler ${CMAKE_C_COMPILER} has no C11 support. "
+	  "Please use a decent C compiler "
+	  "(note that c++11 support of ${CMAKE_CXX_COMPILER} seems ok).")
 endif()
 
+
 if(enable_compile_warnings)
-  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 ")
-  if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
-    set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
+  set(warnCFLAGS "-fno-common -Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
+  if(CMAKE_COMPILER_IS_GNUCC)
+    set(warnCFLAGS "${warnCFLAGS}-Wclobbered -Wno-error=clobbered ")
   endif()
-  if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    string(REPLACE "-Wclobbered " "" warnCFLAGS "${warnCFLAGS}")
+
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra  -Wunused -Wpointer-arith -Wchar-subscripts -Wcomment  -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror")
+  if(CMAKE_COMPILER_IS_GNUCXX)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wclobbered -Wno-error=clobbered")
   endif()
 
-  set(CMAKE_Fortran_FLAGS "-Wall") # FIXME: Q&D hack
+  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack
 
   set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
 endif()
 
 if(enable_compile_optimizations)
-  set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
-  if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
-    set(optCFLAGS "${optCFLAGS}-flto ")
+  set(optCFLAGS "-O3 -funroll-loops -fno-strict-aliasing ")
+  if(CMAKE_COMPILER_IS_GNUCC AND (NOT enable_model-checking))
+    set(optCFLAGS "${optCFLAGS} -finline-functions ")
+    if(WIN32)
+      if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
+      # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
+        set(optCFLAGS "${optCFLAGS} -flto ")
+      endif()
+    else()    
+      # On non-windows, 4.6 is enough for that
+      if(LINKER_VERSION STRGREATER "2.22")
+        set(optCFLAGS "${optCFLAGS} -flto ")
+      endif()
+    endif()
   endif()
 else()
   set(optCFLAGS "-O0 ")
 endif()
 
+if(enable_sdt)
+  add_definitions(-DUSE_SDT)
+endif()
+
+if(enable_ust)
+  add_definitions(-DUSE_UST)
+endif()
+
+if(enable_model-checking AND enable_compile_optimizations)
+  # Forget it, do not optimize the code (because it confuses the MC):
+  set(optCFLAGS "-O0 ")
+  # But you can still optimize this:
+  foreach(s
+      src/xbt/mmalloc/mm.c
+      src/xbt/log.c src/xbt/xbt_log_appender_file.c
+      src/xbt/xbt_log_layout_format.c src/xbt/xbt_log_layout_simple.c
+      src/xbt/dict.c src/xbt/dict_elm.c src/xbt/dict_multi.c src/xbt/dict_cursor.c
+      src/xbt/set.c src/xbt/setset.c
+      src/xbt/dynar.c src/xbt/fifo.c src/xbt/heap.c src/xbt/swag.c
+      src/xbt/str.c src/xbt/strbuff.c src/xbt/snprintf.c
+      src/xbt/queue.c
+      src/xbt/xbt_os_time.c src/xbt/xbt_os_thread.c
+      src/xbt/sha.c
+      src/xbt/matrix.c
+      src/xbt/backtrace_linux.c
+      ${MC_SRC_BASE} ${MC_SRC})
+      set (mcCFLAGS "-O3  -funroll-loops -fno-strict-aliasing")
+       if(CMAKE_COMPILER_IS_GNUCC)
+         set (mcCFLAGS "${mcCFLAGS} -finline-functions")
+      endif()
+      set_source_files_properties(${s} PROPERTIES COMPILE_FLAGS ${mcCFLAGS})
+  endforeach()
+endif()
+
 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
   set(optCFLAGS "-O0 ")
@@ -39,28 +120,30 @@ endif()
 
 if(NOT enable_debug)
   set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
+  set(CMAKE_CXX_FLAGS "-DNDEBUG ${CMAKE_CXX_FLAGS}")
 endif()
 
 if(enable_msg_deprecated)
   set(CMAKE_C_FLAGS "-DMSG_USE_DEPRECATED ${CMAKE_C_FLAGS}")
 endif()
 
-set(CMAKE_C_FLAGS "${optCFLAGS}${warnCFLAGS}${CMAKE_C_FLAGS}")
+set(CMAKE_C_FLAGS "${optCFLAGS} ${warnCFLAGS} ${CMAKE_C_FLAGS}")
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${optCFLAGS}")
 
 # Try to make Mac a bit more complient to open source standards
 if(CMAKE_SYSTEM_NAME MATCHES "Darwin")
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE=700 -D_DARWIN_C_SOURCE")
 endif()
 
 set(TESH_OPTION "")
 if(enable_coverage)
   find_program(GCOV_PATH gcov)
   if(GCOV_PATH)
-    SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
+    set(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DCOVERAGE")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fprofile-arcs -ftest-coverage")
     set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -fprofile-arcs -ftest-coverage")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
     set(TESH_OPTION --enable-coverage)
@@ -73,11 +156,12 @@ if(NOT $ENV{CFLAGS} STREQUAL "")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
 endif()
 
+if(NOT $ENV{CXXFLAGS} STREQUAL "")
+  message(STATUS "Add CXXFLAGS: \"$ENV{CXXFLAGS}\" to CMAKE_CXX_FLAGS")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} $ENV{CXXFLAGS}")
+endif()
+
 if(NOT $ENV{LDFLAGS} STREQUAL "")
   message(STATUS "Add LDFLAGS: \"$ENV{LDFLAGS}\" to CMAKE_C_LINK_FLAGS")
   set(CMAKE_C_LINK_FLAGS "${CMAKE_C_LINK_FLAGS} $ENV{LDFLAGS}")
 endif()
-
-if(enable_model-checking AND enable_compile_optimizations)
-  message(WARNING "Sorry for now GCC optimizations does not work with model checking.\nPlease turn off optimizations with command:\ncmake -Denable_compile_optimizations=off .")
-endif()