增加自动版本标记脚本，从Tag中提取版本号，自动生成nm | grep VERSION方式查看的版本号。

cmake/Version.cmake

@@ -0,0 +1,47 @@
+
+# Using autorevision.sh to generate version information
+
+set(__SOURCE_AUTORESIVISION ${CMAKE_SOURCE_DIR}/autorevision.sh)
+set(__AUTORESIVISION ${CMAKE_BINARY_DIR}/autorevision.sh)
+set(__VERSION_CACHE ${CMAKE_SOURCE_DIR}/version.txt)
+set(__VERSION_CONFIG ${CMAKE_BINARY_DIR}/version.cmake)
+
+file(COPY ${__SOURCE_AUTORESIVISION} DESTINATION ${CMAKE_BINARY_DIR}
+	FILE_PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE
+	WORLD_READ WORLD_EXECUTE)
+
+# execute autorevision.sh to generate version information
+execute_process(COMMAND ${__AUTORESIVISION} -t cmake -o ${__VERSION_CACHE} OUTPUT_FILE ${__VERSION_CONFIG} ERROR_QUIET)
+include(${__VERSION_CONFIG})
+
+# extract major, minor, patch version from git tag
+string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" TFE_VERSION_MAJOR "${VCS_TAG}")
+string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" TFE_VERSION_MINOR "${VCS_TAG}")
+string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" TFE_VERSION_PATCH "${VCS_TAG}")
+
+if(NOT TFE_VERSION_MAJOR)
+	set(TFE_VERSION_MAJOR 3)
+endif()
+
+if(NOT TFE_VERSION_MINOR)
+	set(TFE_VERSION_MINOR 0)
+endif()
+
+if(NOT TFE_VERSION_PATCH)
+	set(TFE_VERSION_PATCH 0)
+endif()
+
+set(TFE_VERSION "${TFE_VERSION_MAJOR}.${TFE_VERSION_MINOR}.${TFE_VERSION_PATCH}")
+set(TFE_DESCRIBE "${VCS_SHORT_HASH}")
+set(TFE_GIT_VERSION "${TFE_VERSION_MAJOR}.${TFE_VERSION_MINOR}.${TFE_VERSION_PATCH}-${TFE_VERSION_BUILD}")
+set(TFE_VAR_VERSION "${TFE_VERSION_MAJOR}_${TFE_VERSION_MINOR}_${TFE_VERSION_PATCH}_${TFE_DESCRIBE}")
+
+# system information
+execute_process(COMMAND uname -r OUTPUT_VARIABLE TFE_VERSION_KERNEL)
+
+# print information
+message(STATUS "TFE Version: ${TFE_GIT_VERSION}")
+message(STATUS "Kernel Version: ${TFE_VERSION_KERNEL}")
+
+add_definitions(-DTFE_GIT_VERSION=\"${TFE_GIT_VERSION}\")
+add_definitions(-DTFE_VAR_VERSION=${TFE_VAR_VERSION})