diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56e6360443dd6362039095f574e04663dd5df459..dd314aed4224a670067f1817894f4eb66de420e0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -33,7 +33,6 @@ set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 add_subdirectory(deps/easy)
 add_subdirectory(deps/oblib)
-add_subdirectory(deps/logmessage)
 add_subdirectory(src)
 
 include(CMakeDependentOption)
diff --git a/build.sh b/build.sh
index 3b75633142bc0cfdcf25c17d3eb68165a03aa325..6d1485fd9eb992906460298e7d8d1d770109e069 100755
--- a/build.sh
+++ b/build.sh
@@ -86,7 +86,7 @@ function prepare_build_dir
 # dep_create
 function do_init
 {
-    (cd $TOPDIR/deps/3rd && bash dep_create.sh && cd $TOPDIR  &&  git submodule update --init)
+    (cd $TOPDIR/deps/3rd && bash dep_create.sh)
 }
 
 # make build directory && cmake && make (if need)
diff --git a/cmake/Env.cmake b/cmake/Env.cmake
index 9792a94fa48e23bfc42f7b58f59b040cf9ea0d1a..3e597365ff6f2cb804b09a2088977472cd06faf6 100644
--- a/cmake/Env.cmake
+++ b/cmake/Env.cmake
@@ -12,6 +12,7 @@ ob_define(OB_ENABLE_LIB_PCH ${OB_ENABLE_PCH})
 ob_define(OB_ENABLE_SERVER_PCH ${OB_ENABLE_PCH})
 ob_define(OB_ENALBE_UNITY ON)
 ob_define(OB_MAX_UNITY_BATCH_SIZE 30)
+ob_define(OB_BUILD_LIBOBLOG OFF)
 
 ob_define(OB_RELEASEID 1)
 
@@ -25,7 +26,7 @@ set(LD_OPT "-Wl,--build-id=uuid")
 set(BUILD_OPT "${DEBUG_PREFIX}")
 
 if (OB_USE_LLVM_LIBTOOLS)
-  # use llvm-ar llvm-ranlib llvm-objcopy ld.lld... 
+  # use llvm-ar llvm-ranlib llvm-objcopy ld.lld...
   set(_CMAKE_TOOLCHAIN_PREFIX llvm-)
   set(_CMAKE_TOOLCHAIN_LOCATION "${DEVTOOLS_DIR}/bin")
   set(LD_BIN "${DEVTOOLS_DIR}/bin/ld.lld")
diff --git a/src/liboblog/CMakeLists.txt b/src/liboblog/CMakeLists.txt
index be67ad5c84c99c54cdf41b23f959b1ba48c04bc1..5c1296de7d86644f6661547e03d6c64b1b604ef3 100644
--- a/src/liboblog/CMakeLists.txt
+++ b/src/liboblog/CMakeLists.txt
@@ -1,3 +1,18 @@
-add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0)
-add_subdirectory(src)
-add_subdirectory(tests)
+message(STATUS "OB_BUILD_LIBOBLOG ${OB_BUILD_LIBOBLOG}")
+if (OB_BUILD_LIBOBLOG)
+  find_package(Git QUIET)
+  if (GIT_FOUND)
+    execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init
+      WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+      RESULT_VARIABLE GIT_SUBMOD_RESULT)
+    if (NOT GIT_SUBMOD_RESULT EQUAL "0")
+      message(FATAL_ERROR "git submodule update --init failed with ${GIT_SUBMOD_RESULT}, please checkout submodules")
+    endif()
+    add_subdirectory(${PROJECT_SOURCE_DIR}/deps/logmessage ${PROJECT_BINARY_DIR}/deps/logmessage EXCLUDE_FROM_ALL)
+    add_definitions(-D_GLIBCXX_USE_CXX11_ABI=0)
+    add_subdirectory(src)
+    add_subdirectory(tests)
+  else()
+    message("cannot find executable git")
+  endif()
+endif()
diff --git a/src/liboblog/src/CMakeLists.txt b/src/liboblog/src/CMakeLists.txt
index d77c1d331adfd8435686106048b223a711fa1abc..991f91134a6ffd173b790909d72adaa5d5e3cbde 100644
--- a/src/liboblog/src/CMakeLists.txt
+++ b/src/liboblog/src/CMakeLists.txt
@@ -1,7 +1,7 @@
 add_library(oblog_base INTERFACE)
 target_include_directories(oblog_base INTERFACE ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(oblog_base
-  INTERFACE ob_base oblogmsg
+  INTERFACE ob_base oblogmsg_static
   )
 
 add_library(oblog_miner INTERFACE)
diff --git a/unittest/CMakeLists.txt b/unittest/CMakeLists.txt
index 337ae8e487fa76f7a7d6f3ea8bd465edbd2a75fa..3433f2e51d754e36db9a1eea105f45c74db15877 100644
--- a/unittest/CMakeLists.txt
+++ b/unittest/CMakeLists.txt
@@ -29,4 +29,6 @@ add_subdirectory(observer)
 add_subdirectory(share)
 add_subdirectory(rootserver)
 add_subdirectory(tools)
-add_subdirectory(liboblog)
+if (OB_BUILD_LIBOBLOG)
+  add_subdirectory(liboblog)
+endif()