blob: 60f1e0c74ada5cf3fed8cab3b8fc0da17ae1ca81 [file] [log] [blame]
cmake_minimum_required(VERSION 2.2)
macro(GET_DATE)
#
# All macro arguments are optional.
# If there's an ARGV0, use it as GD_PREFIX. Default = 'GD_'
# If there's an ARGV1, use it as ${GD_PREFIX}VERBOSE. Default = '0'
#
# If the date can be retrieved and parsed successfully, this macro
# will set the following CMake variables:
#
# GD_PREFIX
# ${GD_PREFIX}PREFIX (if '${GD_PREFIX}' is not 'GD_'...!)
# ${GD_PREFIX}VERBOSE
#
# ${GD_PREFIX}CMD
# ${GD_PREFIX}ARGS
# ${GD_PREFIX}OV
# ${GD_PREFIX}RV
#
# ${GD_PREFIX}REGEX
# ${GD_PREFIX}YEAR
# ${GD_PREFIX}MONTH
# ${GD_PREFIX}DAY
# ${GD_PREFIX}HOUR
# ${GD_PREFIX}MINUTE
# ${GD_PREFIX}SECOND
# ${GD_PREFIX}FRACTIONAL_SECOND
# ${GD_PREFIX}DAY_OF_WEEK
#
# Caller can then use these variables to construct names based on
# date and time stamps...
#
# If there's an ARGV0, use it as GD_PREFIX:
#
set(GD_PREFIX "GD_")
if(NOT "${ARGV0}" STREQUAL "")
set(GD_PREFIX "${ARGV0}")
endif()
if(NOT "${GD_PREFIX}" STREQUAL "GD_")
set(${GD_PREFIX}PREFIX "${GD_PREFIX}")
endif()
# If there's an ARGV1, use it as ${GD_PREFIX}VERBOSE:
#
set(${GD_PREFIX}VERBOSE "0")
if(NOT "${ARGV1}" STREQUAL "")
set(${GD_PREFIX}VERBOSE "${ARGV1}")
endif()
# Retrieve the current date and time in the format:
#
# Thu 01/12/2006 8:55:12.01
# dow mm/dd/YYYY HH:MM:SS.ssssss
#
# Use "echo %DATE% %TIME%" on Windows.
# Otherwise, try "date" as implemented on most Unix flavors.
#
if(WIN32)
#
# Use "cmd" shell with %DATE% and %TIME% support...
# May need adjustment in different locales or for custom date/time formats
# set in the Windows Control Panel.
#
set(${GD_PREFIX}CMD "cmd")
set(${GD_PREFIX}ARGS "/c echo %DATE% %TIME%")
else()
#
# Match the format returned by default in US English Windows:
#
set(${GD_PREFIX}CMD "date")
set(${GD_PREFIX}ARGS "\"+%a %m/%d/%Y %H:%M:%S.00\"")
endif()
exec_program("${${GD_PREFIX}CMD}" "." ARGS "${${GD_PREFIX}ARGS}"
OUTPUT_VARIABLE ${GD_PREFIX}OV RETURN_VALUE ${GD_PREFIX}RV
)
if(${GD_PREFIX}VERBOSE)
message(STATUS "")
message(STATUS "<GET_DATE>")
message(STATUS "")
message(STATUS "GD_PREFIX='${GD_PREFIX}'")
if(NOT "${GD_PREFIX}" STREQUAL "GD_")
message(STATUS "${GD_PREFIX}PREFIX='${${GD_PREFIX}PREFIX}'")
endif()
message(STATUS "${GD_PREFIX}VERBOSE='${${GD_PREFIX}VERBOSE}'")
message(STATUS "")
message(STATUS "${GD_PREFIX}CMD='${${GD_PREFIX}CMD}'")
message(STATUS "${GD_PREFIX}ARGS='${${GD_PREFIX}ARGS}'")
message(STATUS "${GD_PREFIX}OV='${${GD_PREFIX}OV}'")
message(STATUS "${GD_PREFIX}RV='${${GD_PREFIX}RV}'")
message(STATUS "")
endif()
if("${${GD_PREFIX}RV}" STREQUAL "0")
#
# Extract eight individual components by matching a regex with paren groupings.
# Use the replace functionality and \\1 thru \\8 to extract components.
#
set(${GD_PREFIX}REGEX "([^ ]+) +([^/]+)/([^/]+)/([^ ]+) +([^:]+):([^:]+):([^\\.]+)\\.(.*)")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\1" ${GD_PREFIX}DAY_OF_WEEK "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\2" ${GD_PREFIX}MONTH "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\3" ${GD_PREFIX}DAY "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\4" ${GD_PREFIX}YEAR "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\5" ${GD_PREFIX}HOUR "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\6" ${GD_PREFIX}MINUTE "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\7" ${GD_PREFIX}SECOND "${${GD_PREFIX}OV}")
string(REGEX REPLACE "${${GD_PREFIX}REGEX}" "\\8" ${GD_PREFIX}FRACTIONAL_SECOND "${${GD_PREFIX}OV}")
#
# Verify that extracted components don't have anything obviously
# wrong with them... Emit warnings if something looks suspicious...
#
# Expecting a four digit year:
#
if(NOT "${${GD_PREFIX}YEAR}" MATCHES "^[0-9][0-9][0-9][0-9]$")
message(STATUS "WARNING: Extracted ${GD_PREFIX}YEAR='${${GD_PREFIX}YEAR}' is not a four digit number...")
endif()
# Expecting month to be <= 12:
#
if(${${GD_PREFIX}MONTH} GREATER 12)
message(STATUS "WARNING: Extracted ${GD_PREFIX}MONTH='${${GD_PREFIX}MONTH}' is greater than 12!")
endif()
# Expecting day to be <= 31:
#
if(${${GD_PREFIX}DAY} GREATER 31)
message(STATUS "WARNING: Extracted ${GD_PREFIX}DAY='${${GD_PREFIX}DAY}' is greater than 31!")
endif()
# Expecting hour to be <= 23:
#
if(${${GD_PREFIX}HOUR} GREATER 23)
message(STATUS "WARNING: Extracted ${GD_PREFIX}HOUR='${${GD_PREFIX}HOUR}' is greater than 23!")
endif()
# Expecting minute to be <= 59:
#
if(${${GD_PREFIX}MINUTE} GREATER 59)
message(STATUS "WARNING: Extracted ${GD_PREFIX}MINUTE='${${GD_PREFIX}MINUTE}' is greater than 59!")
endif()
# Expecting second to be <= 59:
#
if(${${GD_PREFIX}SECOND} GREATER 59)
message(STATUS "WARNING: Extracted ${GD_PREFIX}SECOND='${${GD_PREFIX}SECOND}' is greater than 59!")
endif()
# If individual components are single digit,
# prepend a leading zero:
#
if("${${GD_PREFIX}YEAR}" MATCHES "^[0-9]$")
set(${GD_PREFIX}YEAR "0${${GD_PREFIX}YEAR}")
endif()
if("${${GD_PREFIX}MONTH}" MATCHES "^[0-9]$")
set(${GD_PREFIX}MONTH "0${${GD_PREFIX}MONTH}")
endif()
if("${${GD_PREFIX}DAY}" MATCHES "^[0-9]$")
set(${GD_PREFIX}DAY "0${${GD_PREFIX}DAY}")
endif()
if("${${GD_PREFIX}HOUR}" MATCHES "^[0-9]$")
set(${GD_PREFIX}HOUR "0${${GD_PREFIX}HOUR}")
endif()
if("${${GD_PREFIX}MINUTE}" MATCHES "^[0-9]$")
set(${GD_PREFIX}MINUTE "0${${GD_PREFIX}MINUTE}")
endif()
if("${${GD_PREFIX}SECOND}" MATCHES "^[0-9]$")
set(${GD_PREFIX}SECOND "0${${GD_PREFIX}SECOND}")
endif()
if(${GD_PREFIX}VERBOSE)
message(STATUS "${GD_PREFIX}REGEX='${${GD_PREFIX}REGEX}'")
message(STATUS "${GD_PREFIX}YEAR='${${GD_PREFIX}YEAR}'")
message(STATUS "${GD_PREFIX}MONTH='${${GD_PREFIX}MONTH}'")
message(STATUS "${GD_PREFIX}DAY='${${GD_PREFIX}DAY}'")
message(STATUS "${GD_PREFIX}HOUR='${${GD_PREFIX}HOUR}'")
message(STATUS "${GD_PREFIX}MINUTE='${${GD_PREFIX}MINUTE}'")
message(STATUS "${GD_PREFIX}SECOND='${${GD_PREFIX}SECOND}'")
message(STATUS "${GD_PREFIX}FRACTIONAL_SECOND='${${GD_PREFIX}FRACTIONAL_SECOND}'")
message(STATUS "${GD_PREFIX}DAY_OF_WEEK='${${GD_PREFIX}DAY_OF_WEEK}'")
message(STATUS "")
message(STATUS "Counters that change...")
message(STATUS "")
message(STATUS "...very very quickly : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}${${GD_PREFIX}HOUR}${${GD_PREFIX}MINUTE}${${GD_PREFIX}SECOND}${${GD_PREFIX}FRACTIONAL_SECOND}")
message(STATUS " every second : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}${${GD_PREFIX}HOUR}${${GD_PREFIX}MINUTE}${${GD_PREFIX}SECOND}")
message(STATUS " daily : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}${${GD_PREFIX}DAY}")
message(STATUS " monthly : ${${GD_PREFIX}YEAR}${${GD_PREFIX}MONTH}")
message(STATUS " annually : ${${GD_PREFIX}YEAR}")
message(STATUS "")
endif()
else()
message(SEND_ERROR "ERROR: macro(GET_DATE) failed. ${GD_PREFIX}CMD='${${GD_PREFIX}CMD}' ${GD_PREFIX}ARGS='${${GD_PREFIX}ARGS}' ${GD_PREFIX}OV='${${GD_PREFIX}OV}' ${GD_PREFIX}RV='${${GD_PREFIX}RV}'")
endif()
if(${GD_PREFIX}VERBOSE)
message(STATUS "</GET_DATE>")
message(STATUS "")
endif()
endmacro()
macro(ADD_SECONDS sec)
set(new_min ${${GD_PREFIX}MINUTE})
set(new_hr ${${GD_PREFIX}HOUR})
math(EXPR new_sec "${sec} + ${${GD_PREFIX}SECOND}")
while(${new_sec} GREATER 60 OR ${new_sec} EQUAL 60)
math(EXPR new_sec "${new_sec} - 60")
math(EXPR new_min "${${GD_PREFIX}MINUTE} + 1")
endwhile()
while(${new_min} GREATER 60 OR ${new_min} EQUAL 60)
math(EXPR new_min "${new_min} - 60")
math(EXPR new_hr "${${GD_PREFIX}HOUR} + 1")
endwhile()
math(EXPR new_hr "${new_hr} % 24")
# Pad the H, M, S if needed
string(LENGTH ${new_sec} sec_len)
string(LENGTH ${new_min} min_len)
string(LENGTH ${new_hr} hr_len)
if(${sec_len} EQUAL 1)
set(new_sec "0${new_sec}")
endif()
if(${min_len} EQUAL 1)
set(new_min "0${new_min}")
endif()
if(${hr_len} EQUAL 1)
set(new_hr "0${new_hr}")
endif()
endmacro()