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[simgrid.git] / buildtools / Cmake / Flags.cmake
index 51c0ef8..4c1178d 100644 (file)
@@ -2,58 +2,91 @@ 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}-g3")
   set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}-g3")
-else(NOT __VISUALC__ AND NOT __BORLANDC__)
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS}/Zi")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}/Zi")
-endif(NOT __VISUALC__ AND NOT __BORLANDC__)
+  set(CMAKE_Fortran_FLAGS "${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 "-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Werror=clobbered -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
-endif(enable_compile_warnings)
+  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()
+  endif()
 
-if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
-       set(warnCFLAGS "${warnCFLAGS} -Wno-unused-but-set-variable ")
-endif(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
+  set(CMAKE_Fortran_FLAGS "${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 ")
-       endif(${COMPILER_C_VERSION_MAJOR_MINOR} STRGREATER "4.5")
-else(enable_compile_optimizations)
-        set(optCFLAGS "-O0 ")
-endif(enable_compile_optimizations)
+  set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
+  if(WIN32)
+    if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
+    # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
+      set(optCFLAGS "${optCFLAGS} -flto ")
+    endif()
+  else()    
+    # On non-windows, 4.6 is enough for that
+    if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
+      set(optCFLAGS "${optCFLAGS} -flto ")
+    endif()
+  endif()
+else()
+  set(optCFLAGS "-O0 ")
+endif()
 
 if(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")     
-    set(optCFLAGS "-O0 ")
-endif(APPLE AND COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated-declarations")
+  set(optCFLAGS "-O0 ")
+endif()
 
 if(NOT enable_debug)
-               set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
-endif(NOT enable_debug)
+  set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_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 "${CMAKE_C_FLAGS} ${custom_flags}")
 set(CMAKE_CXX_FLAGS "${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 "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
-endif(CMAKE_SYSTEM_NAME MATCHES "Darwin")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -D_XOPEN_SOURCE")
+endif()
 
 set(TESH_OPTION "")
 if(enable_coverage)
-       find_program(GCOV_PATH gcov)
-       if(GCOV_PATH)
-               SET(COVERAGE_COMMAND "${GCOV_PATH}" CACHE TYPE FILEPATH FORCE)
-               set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fprofile-arcs -ftest-coverage")
-               set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
-               set(TESH_OPTION --enable-coverage)
-               add_definitions(-fprofile-arcs -ftest-coverage)
-       endif(GCOV_PATH)
-endif(enable_coverage)
+  find_program(GCOV_PATH gcov)
+  if(GCOV_PATH)
+    SET(COVERAGE_COMMAND "${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_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)
+    add_definitions(-fprofile-arcs -ftest-coverage)
+  endif()
+endif()
+
+if(NOT $ENV{CFLAGS} STREQUAL "")
+  message(STATUS "Add CFLAGS: \"$ENV{CFLAGS}\" to CMAKE_C_FLAGS")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} $ENV{CFLAGS}")
+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()