X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/a7bdba363a829744d9da86412cc2f30d365daed0..33000bf1ab61a3274200762ffb6f96098e0d5bd3:/buildtools/Cmake/Flags.cmake

diff --git a/buildtools/Cmake/Flags.cmake b/buildtools/Cmake/Flags.cmake
index 2a2a96f31a..16aa5b7a42 100644
--- a/buildtools/Cmake/Flags.cmake
+++ b/buildtools/Cmake/Flags.cmake
@@ -2,36 +2,78 @@ set(warnCFLAGS "")
 set(optCFLAGS "")
 
 if(NOT __VISUALC__ AND NOT __BORLANDC__)
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-g3")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}-std=gnu99 -g3")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
+  set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -g")
 else()
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
 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 "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
-  endif()
-  if(CMAKE_C_COMPILER_ID STREQUAL "Clang")
-    string(REPLACE "-Wclobbered " "" warnCFLAGS "${warnCFLAGS}")
+  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_C_COMPILER_ID STREQUAL "GNU")
+    set(warnCFLAGS "${warnCFLAGS}-Wclobbered -Wno-error=clobbered ")
+    if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
+      set(warnCFLAGS "${warnCFLAGS}-Wno-error=unused-but-set-variable ")
+    endif()
+    if(COMPILER_C_VERSION_MAJOR_MINOR STREQUAL "4.6")
+    #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
+      set(warnCFLAGS "${warnCFLAGS}-Wno-error=array-bounds")
+    endif()
   endif()
 
-  set(CMAKE_Fortran_FLAGS "-Wall") # FIXME: Q&D hack
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra  -Wunused -Wpointer-arith -Wchar-subscripts -Wcomment -Wno-unknown-warning-option -Wformat -Wwrite-strings -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wclobbered -Wno-error=clobbered -Wno-format-nonliteral -Werror")
+
+  set(CMAKE_Fortran_FLAGS "${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 "${optCFLAGS} -flto ")
+      endif()
+    else()    
+      # On non-windows, 4.6 is enough for that
+      if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5" AND LINKER_VERSION STRGREATER "2.22")
+        set(optCFLAGS "${optCFLAGS} -flto ")
+      endif()
+    endif()
   endif()
 else()
   set(optCFLAGS "-O0 ")
 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/snprintf.c src/xbt/log.c
+      # src/xbt/dynar.c
+      # src/xbt/set.c src/xbt/setset.c
+      # src/xbt/backtrace_linux.c
+      src/mc/mc_dwarf_expression.c src/mc/mc_dwarf.c src/mc/mc_member.c
+      src/mc/mc_snapshot.c src/mc/mc_page_store.cpp src/mc/mc_page_snapshot.cpp
+      src/mc/mc_compare.cpp src/mc/mc_diff.c
+      src/mc/mc_dwarf.c src/mc/mc_dwarf_attrnames.h src/mc/mc_dwarf_expression.c src/mc/mc_dwarf_tagnames.h
+      src/mc/mc_set.cpp)
+    set_source_files_properties(${s} PROPERTIES COMPILE_FLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing")
+  endforeach()
+endif()
+
+if(enable_mc_content_adressable_pages)
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DMC_PAGE_STORE_MD4")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMC_PAGE_STORE_MD4")
+endif()
+
 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
   set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
   set(optCFLAGS "-O0 ")
@@ -39,13 +81,14 @@ 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}")
 
@@ -58,9 +101,10 @@ 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 +117,12 @@ 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()