+##
+## This file is in charge of setting our paranoid flags with regard to warnings and optimization.
+##
+## These flags do break some classical CMake tests, so you don't
+## want to do so before the very end of the configuration.
+##
+## Other compiler flags (C/C++ standard version) are tested and set
+## by the beginning of the configuration, directly in ~/CMakeList.txt
+
set(warnCFLAGS "")
set(optCFLAGS "")
-include(CheckCXXCompilerFlag)
-if (CMAKE_COMPILER_IS_GNUCC)
- if (COMPILER_C_VERSION_MAJOR_MINOR STRLESS "4.7")
- message(FATAL_ERROR "SimGrid needs g++ version 4.7 to compile.")
- endif()
-endif()
-
-if(NOT __VISUALC__ AND NOT __BORLANDC__)
- CHECK_CXX_COMPILER_FLAG("-std=gnu++11" HAVE_CXX11)
- CHECK_CXX_COMPILER_FLAG("-std=gnu++0x" HAVE_CXX0X)
- if(HAVE_CXX11)
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++11")
- elseif(HAVE_CXX0X)
- set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=gnu++0x")
- else()
- message(FATAL_ERROR "Missing support for C++11.")
- endif()
-endif()
-
-if(NOT __VISUALC__ AND NOT __BORLANDC__)
- 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 -Wno-unused-function -Wno-unused-parameter -Wno-strict-aliasing -Wno-format-nonliteral -Werror ")
