message: add abseil time library linking
diff: @@ -31,8 +31,8 @@ if (systemlib_ABSEIL_CPP)
  message(STATUS " abseil_cpp includes: ${ABSEIL_CPP_INCLUDE_DIR}")
  message(STATUS " abseil_cpp libraries: ${ABSEIL_CPP_LIBRARIES}")
  - add_custom_target(abseil_cpp)
  - list(APPEND tensorflow_EXTERNAL_DEPENDENCIES abseil_cpp)
  + add_custom_target(abseil_cpp_build)
  + list(APPEND tensorflow_EXTERNAL_DEPENDENCIES abseil_cpp_build)
  else (systemlib_ABSEIL_CPP)
  @@ -53,6 +53,7 @@ else (systemlib_ABSEIL_CPP)
  ${abseil_cpp_BUILD}/absl/numeric/Release/absl_int128.lib
  ${abseil_cpp_BUILD}/absl/strings/Release/absl_strings.lib
  ${abseil_cpp_BUILD}/absl/strings/Release/str_format_internal.lib
  + ${abseil_cpp_BUILD}/absl/time/Release/absl_time.lib
  ${abseil_cpp_BUILD}/absl/types/Release/absl_bad_optional_access.lib)
  else()
  set(abseil_cpp_STATIC_LIBRARIES
  @@ -64,6 +65,7 @@ else (systemlib_ABSEIL_CPP)
  ${abseil_cpp_BUILD}/absl/numeric/absl_int128.lib
  ${abseil_cpp_BUILD}/absl/strings/absl_strings.lib
  ${abseil_cpp_BUILD}/absl/strings/str_format_internal.lib
  + ${abseil_cpp_BUILD}/absl/time/absl_time.lib
  ${abseil_cpp_BUILD}/absl/types/absl_bad_optional_access.lib)
  endif()
  else()
  @@ -76,14 +78,18 @@ else (systemlib_ABSEIL_CPP)
  ${abseil_cpp_BUILD}/absl/numeric/libabsl_int128.a
  ${abseil_cpp_BUILD}/absl/strings/libabsl_strings.a
  ${abseil_cpp_BUILD}/absl/strings/libstr_format_internal.a
  + ${abseil_cpp_BUILD}/absl/time/libabsl_time.a
  ${abseil_cpp_BUILD}/absl/types/libabsl_bad_optional_access.a)
  endif()
  - ExternalProject_Add(abseil_cpp
  + ExternalProject_Add(abseil_cpp_build
  PREFIX abseil_cpp
  GIT_REPOSITORY ${abseil_cpp_URL}
  DOWNLOAD_DIR "${DOWNLOAD_LOCATION}"
  + BUILD_IN_SOURCE 1
  BUILD_BYPRODUCTS ${abseil_cpp_STATIC_LIBRARIES}
  + BUILD_COMMAND ${CMAKE_COMMAND} --build . --config Release
  + COMMAND ${CMAKE_COMMAND} --build . --config Release
  INSTALL_COMMAND ""
  CMAKE_CACHE_ARGS
  -DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=${tensorflow_ENABLE_POSITION_INDEPENDENT_CODE}
  @@ -96,6 +102,6 @@ else (systemlib_ABSEIL_CPP)
  list(APPEND tensorflow_EXTERNAL_LIBRARIES ${abseil_cpp_STATIC_LIBRARIES})
  - list(APPEND tensorflow_EXTERNAL_DEPENDENCIES abseil_cpp)
  + list(APPEND tensorflow_EXTERNAL_DEPENDENCIES abseil_cpp_build)
  endif (systemlib_ABSEIL_CPP)
  \ No newline at end of file
  