Add glog option

cmake/DetectGLog.cmake

@@ -0,0 +1,26 @@
+# Copyright 2018 Slightech Co., Ltd. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+include(${CMAKE_CURRENT_LIST_DIR}/IncludeGuard.cmake)
+cmake_include_guard()
+
+get_filename_component(__pro_dir ${CMAKE_CURRENT_LIST_DIR} DIRECTORY)
+LIST(APPEND CMAKE_PREFIX_PATH ${__pro_dir}/third_party/glog/_build)
+
+find_package(glog REQUIRED)
+if(glog_FOUND)
+  add_definitions(-DWITH_GLOG)
+endif()
+
+unset(__pro_dir)

cmake/Option.cmake

@@ -28,6 +28,9 @@ option(WITH_DEVICE_INFO_REQUIRED "Build with device info required" ON)
 
 option(WITH_BOOST "Include Boost support" ON)
 
+# `make 3rdparty` could build glog submodule
+option(WITH_GLOG "Include glog support" ON)
+
 
 # packages
 
@@ -59,6 +62,10 @@ if(NOT WITH_FILESYSTEM)
   endif()
 endif()
 
+if(WITH_GLOG)
+  include(${CMAKE_CURRENT_LIST_DIR}/DetectGLog.cmake)
+endif()
+
 find_package(CUDA QUIET)
 
 # summary
@@ -125,6 +132,16 @@ if(WITH_BOOST)
   endif()
 endif()
 
+status("  WITH_GLOG: ${WITH_GLOG}")
+if(WITH_GLOG)
+  if(glog_FOUND)
+    status("    glog: YES")
+    status("    glog_VERSION: ${glog_VERSION}")
+  else()
+    status("    glog: NO")
+  endif()
+endif()
+
 status("")
 status("Features:")
 status("  Filesystem: "