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Add an option to compile the build date into dindexer's binary

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King_DuckZ 2016-04-22 01:35:57 +02:00
commit 343c44add5
6 changed files with 80 additions and 1 deletions
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40
cmake/Modules/timestamp.cmake Normal file
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@ -0,0 +1,40 @@
if (NOT bare_name)
message(FATAL_ERROR "bare_name variable not defined")
endif()
string(TOUPPER "${bare_name}" bare_name_upper)
option(${bare_name_upper}_WITH_BUILD_DATE "Compile the build date into the program. It will cause frequent rebuilds" OFF)
string(TOUPPER ${${bare_name_upper}_WITH_BUILD_DATE} ${bare_name_upper}_WITH_BUILD_DATE PARENT_SCOPE)
#See:
#http://stackoverflow.com/questions/24292898/compile-date-and-time-using-cmake#26214363
function (make_timestamp project_name file_input)
# if (${bare_name_upper}_WITH_BUILD_DATE)
# string(TIMESTAMP ${bare_name_upper}_BUILD_DATE "%Y-%m-%d %H:%M:%S" UTC)
# else()
# set(${bare_name_upper}_BUILD_DATE "")
# endif()
get_filename_component(file_name "${file_input}" NAME)
string(REGEX REPLACE "\\.in$" "" file_name "${file_name}")
FILE (WRITE ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
"if (${bare_name_upper}_WITH_BUILD_DATE)
# string(TIMESTAMP ${bare_name_upper}_BUILD_DATE \"%Y-%m-%d %H:%M:%S\" UTC)
string(TIMESTAMP ${bare_name_upper}_BUILD_DATE \"%Y-%m-%d %H:%M:%S\" UTC)
else()
set(${bare_name_upper}_BUILD_DATE \"\")
endif()
#set(${bare_name_upper}_BUILD_DATE \"$\{${bare_name_upper}_BUILD_DATE}\" PARENT_SCOPE)
configure_file(\"${CMAKE_CURRENT_SOURCE_DIR}/${file_input}\" \"${CMAKE_CURRENT_BINARY_DIR}/${file_name}\")\n"
)
add_custom_target (
timestamp
COMMAND ${CMAKE_COMMAND} "-D${bare_name_upper}_WITH_BUILD_DATE=${${bare_name_upper}_WITH_BUILD_DATE}" -P ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
ADD_DEPENDENCIES ${CMAKE_CURRENT_BINARY_DIR}/timestamp.cmake
)
add_dependencies(${project_name} timestamp)
#set_source_files_properties("${PROJECT_BINARY_DIR}/${bare_name}Config.h" OBJECT_DEPENDS timestamp)
endfunction()