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 "${optCFLAGS}-flto ")
- endif()
+ if(WIN32)
+ if (COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.7")
+ # On windows, we need 4.8 or higher to enable lto because of http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
+ set(optCFLAGS "${optCFLAGS} -flto ")
+ else()
+ # On non-windows, 4.6 is enough for that
+ if(COMPILER_C_VERSION_MAJOR_MINOR STRGREATER "4.5")
+ set(optCFLAGS "${optCFLAGS} -flto ")
+ endif()
+ endif
else()
set(optCFLAGS "-O0 ")
endif()
set(optCFLAGS "-O0 ")
endif()
-if(WIN32) # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50293
- if (COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.7" OR
- COMPILER_C_VERSION_MAJOR_MINOR MATCHES "4.6")
- set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} --disable-lto")
- endif()
-endif()
-
if(NOT enable_debug)
set(CMAKE_C_FLAGS "-DNDEBUG ${CMAKE_C_FLAGS}")
endif()