refs #4871 default to USE_VALGRIND=ON

git-svn-id: file:///svn/toku/tokudb@46773 c7de825b-a66e-492c-adef-691d508d4ae1

cmake_modules/TokuSetupCompiler.cmake

@@ -126,6 +126,7 @@ else ()
   endif ()
 endif ()
 
+option(USE_VALGRIND "Do not pass NVALGRIND to the compiler, because valgrind will be run on the generated executables." ON)
 if (NOT USE_VALGRIND)
   set_property(DIRECTORY APPEND PROPERTY COMPILE_DEFINITIONS_RELEASE NVALGRIND=1)
 endif ()