Enabled g++ warnings and disabled false nvcc warnings

CMakeLists.txt

@@ -42,7 +42,7 @@ else()
 endif()
 
 # set Debug/Release options
-set( CMAKE_CXX_FLAGS "-std=c++11" )
+set( CMAKE_CXX_FLAGS "-std=c++11 -Wall -Wno-unused-local-typedefs -Wno-unused-variable" )
 set( CMAKE_CXX_FLAGS_DEBUG "-g" )
 set( CMAKE_CXX_FLAGS_RELEASE "-O3 -march=native -DNDEBUG" )
 #set( CMAKE_CXX_FLAGS_RELEASE "-O3 -march=native -DNDEBUG -ftree-vectorizer-verbose=1 -ftree-vectorize -fopt-info-vec-missed -funroll-loops" )
@@ -68,6 +68,10 @@ if( WITH_CUDA STREQUAL "yes" )
         set(BUILD_SHARED_LIBS ON)
         set(CUDA_SEPARABLE_COMPILATION ON)        
         set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ;-DHAVE_CUDA)
+        # disable false compiler warnings
+        #   reference for the -Xcudafe flag: http://stackoverflow.com/questions/14831051/how-to-disable-compiler-warnings-with-nvcc/17095910#17095910
+        #   list of possible tokens: http://www.ssl.berkeley.edu/~jimm/grizzly_docs/SSL/opt/intel/cc/9.0/lib/locale/en_US/mcpcom.msg
+        set(CUDA_NVCC_FLAGS ${CUDA_NVCC_FLAGS} ; --expt-relaxed-constexpr -Xcudafe "\"--diag_suppress=code_is_unreachable --diag_suppress=implicit_return_from_non_void_function\"")
         #AddCompilerFlag( "-DHAVE_NOT_CXX11" ) # -U_GLIBCXX_ATOMIC_BUILTINS -U_GLIBCXX_USE_INT128 " )
         set( ALL_CUDA_ARCHS -gencode arch=compute_20,code=sm_20
                             -gencode arch=compute_30,code=sm_30