cmake add gperftools support

-enabled with cmake -DENABLE_GPERFTOOLS=ON

CMakeLists.txt

@@ -18,6 +18,7 @@ endif()
 option(ENABLE_CCACHE "enable caching compiler output" ON)
 option(ENABLE_GIL "threading use GIL" ON)
 option(ENABLE_GOLD "enable the gold linker" ON)
+option(ENABLE_GPERFTOOLS "enable the google performance tools" OFF)
 option(ENABLE_GRWL "threading use GRWL" OFF)
 option(ENABLE_INTEL_JIT_EVENTS "LLVM support for Intel JIT Events API" OFF)
 option(ENABLE_LLVM_DEBUG "LLVM debug symbols" OFF)
@@ -120,6 +121,10 @@ else()
   add_definitions(-DTHREADING_USE_GIL=1 -DTHREADING_USE_GRWL=0)
 endif()
 
+if(ENABLE_GPERFTOOLS)
+  set(OPTIONAL_LIBRARIES ${OPTIONAL_LIBRARIES} profiler)
+endif()
+
 if(ENABLE_OPROFILE)
   set(OPTIONAL_LIBRARIES ${OPTIONAL_LIBRARIES} opagent)
 endif()

src/CMakeLists.txt

@@ -20,6 +20,10 @@ file(GLOB GC_SRCS gc/*.cpp)
 file(GLOB RUNTIME_BUILTIN_MODULES_SRCS runtime/builtin_modules/*.cpp)
 file(GLOB RUNTIME_SRCS runtime/*.cpp)
 
+if(ENABLE_GPERFTOOLS)
+  set(OPTIONAL_SRCS ${OPTIONAL_SRCS} codegen/profiling/pprof.cpp)
+endif()
+
 if(ENABLE_OPROFILE)
   set(OPTIONAL_SRCS codegen/profiling/oprofile.cpp)
 endif()