- set(warnCFLAGS "-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 ")
-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()
+
+ set(CMAKE_Fortran_FLAGS "${CMAKE_Fortran_FLAGS} -Wall") # FIXME: Q&D hack
+
+ set(CMAKE_JAVA_COMPILE_FLAGS "-Xlint")
+endif()
+
+if(enable_compile_optimizations)
+ set(optCFLAGS "-O3 -finline-functions -funroll-loops -fno-strict-aliasing ")
+ if(CMAKE_COMPILER_IS_GNUCC)
+ if(WIN32)
+ if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
+ # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
+ set(optCFLAGS "${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()
+ endif()
+else()
+ set(optCFLAGS "-O0 ")
+endif()