follow origin style

CMakeLists.txt

@@ -28,8 +28,9 @@ option(WITH_DEBUG_SYMBOLS "With debug symbols" ON)
 option(WITH_THRIFT "With thrift framed protocol supported" OFF)
 option(BUILD_UNIT_TESTS "Whether to build unit tests" OFF)
 
+set(WITH_GLOG_VAL "0")
 if(WITH_GLOG)
-    add_definitions(-DBRPC_WITH_GLOG)
+    set(WITH_GLOG_VAL "1")
 endif()
 
 if(WITH_DEBUG_SYMBOLS)
@@ -79,7 +80,7 @@ if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     endif()
 endif()
 
-set(CMAKE_CPP_FLAGS "${DEFINE_CLOCK_GETTIME}  -DGFLAGS_NS=${GFLAGS_NS}")
+set(CMAKE_CPP_FLAGS "${DEFINE_CLOCK_GETTIME} -DBRPC_WITH_GLOG=${WITH_GLOG_VAL} -DGFLAGS_NS=${GFLAGS_NS}")
 set(CMAKE_CPP_FLAGS "${CMAKE_CPP_FLAGS} -DBTHREAD_USE_FAST_PTHREAD_MUTEX -D__const__= -D_GNU_SOURCE -DUSE_SYMBOLIZE -DNO_TCMALLOC -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DBRPC_REVISION=\\\"${BRPC_REVISION}\\\" -D__STRICT_ANSI__")
 set(CMAKE_CPP_FLAGS "${CMAKE_CPP_FLAGS} ${DEBUG_SYMBOL} ${THRIFT_CPP_FLAG}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -O2 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-invalid-offsetof -Wno-unused-parameter -fno-omit-frame-pointer")

tools/CMakeLists.txt

-set(CMAKE_CPP_FLAGS "${DEFINE_CLOCK_GETTIME} -DGFLAGS_NS=${GFLAGS_NS}")
+set(CMAKE_CPP_FLAGS "${DEFINE_CLOCK_GETTIME} -DBRPC_WITH_GLOG=${WITH_GLOG_VAL} -DGFLAGS_NS=${GFLAGS_NS}")
 set(CMAKE_CXX_FLAGS "${CMAKE_CPP_FLAGS} -DNDEBUG -O2 -D__const__= -D__STRICT_ANSI__ -pipe -W -Wall -Wno-unused-parameter -fPIC -fno-omit-frame-pointer")
 use_cxx11()
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/output/bin)