khanat-opennel-code/code/CMakeModules/GetRevision.cmake

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CMAKE_MINIMUM_REQUIRED(VERSION 2.6.3)
# ROOT_DIR should be set to root of the repository (where to find the .svn or .hg directory)
# SOURCE_DIR should be set to root of your code (where to find CMakeLists.txt)
# Replace spaces by semi-columns
IF(CMAKE_MODULE_PATH)
STRING(REPLACE " " ";" CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH})
ENDIF(CMAKE_MODULE_PATH)
SET(CMAKE_MODULE_PATH ${SOURCE_DIR}/CMakeModules ${CMAKE_MODULE_PATH})
IF(NOT ROOT_DIR AND SOURCE_DIR)
SET(ROOT_DIR ${SOURCE_DIR})
ENDIF(NOT ROOT_DIR AND SOURCE_DIR)
IF(NOT SOURCE_DIR AND ROOT_DIR)
SET(SOURCE_DIR ${ROOT_DIR})
ENDIF(NOT SOURCE_DIR AND ROOT_DIR)
MACRO(NOW RESULT)
IF (WIN32)
EXECUTE_PROCESS(COMMAND "wmic os get localdatetime" OUTPUT_VARIABLE DATETIME)
IF(NOT DATETIME MATCHES "ERROR")
STRING(REGEX REPLACE ".*\n([0-9][0-9][0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9])([0-9][0-9]).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
ENDIF(NOT DATETIME MATCHES "ERROR")
ELSEIF(UNIX)
EXECUTE_PROCESS(COMMAND "date +'%Y-%m-%d %H:%M:%S'" OUTPUT_VARIABLE DATETIME)
STRING(REGEX REPLACE "([0-9]+)-([0-9]+)-([0-9]+) ([0-9]+):([0-9]+):([0-9]+).*" "\\1-\\2-\\3 \\4:\\5:\\6" ${RESULT} "${DATETIME}")
ELSE (WIN32)
MESSAGE(SEND_ERROR "date not implemented")
SET(${RESULT} "0000-00-00 00:00:00")
ENDIF (WIN32)
ENDMACRO(NOW)
IF(EXISTS "${ROOT_DIR}/.svn/")
FIND_PACKAGE(Subversion)
IF(SUBVERSION_FOUND)
Subversion_WC_INFO(${ROOT_DIR} ER)
SET(REVISION ${ER_WC_REVISION})
ENDIF(SUBVERSION_FOUND)
ENDIF(EXISTS "${ROOT_DIR}/.svn/")
IF(EXISTS "${ROOT_DIR}/.hg/")
FIND_PACKAGE(Mercurial)
IF(MERCURIAL_FOUND)
Mercurial_WC_INFO(${ROOT_DIR} ER)
SET(REVISION ${ER_WC_REVISION})
ENDIF(MERCURIAL_FOUND)
ENDIF(EXISTS "${ROOT_DIR}/.hg/")
IF(REVISION)
IF(EXISTS ${SOURCE_DIR}/revision.h.in)
NOW(BUILD_DATE)
CONFIGURE_FILE(${SOURCE_DIR}/revision.h.in revision.h.txt)
EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E copy revision.h.txt revision.h) # copy_if_different
ENDIF(EXISTS ${SOURCE_DIR}/revision.h.in)
ENDIF(REVISION)