2013-07-31 05:04:07 -05:00
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# - Write version information into the source code
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#
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# Add an unconditional target to the Makefile which checks the current
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# SHA of the source directory and write to a header file if and *only*
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# if this has changed (thus we avoid unnecessary rebuilds). By having
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# this in the Makefile, we get updated version information even though
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# we haven't done any reconfiguring.
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#
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# The time it takes to probe the VCS for this information and write it
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# to the miniature file in negligable.
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if (NOT GIT_FOUND)
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find_package (Git)
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endif ()
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add_custom_target (update-version ALL
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COMMAND ${CMAKE_COMMAND}
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-DCMAKE_HOME_DIRECTORY=${CMAKE_HOME_DIRECTORY}
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-DGIT_EXECUTABLE=${GIT_EXECUTABLE}
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-DPROJECT_SOURCE_DIR=${PROJECT_SOURCE_DIR}
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-DPROJECT_BINARY_DIR=${PROJECT_BINARY_DIR}
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-DPROJECT_LABEL=${${project}_LABEL}
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-P ${PROJECT_SOURCE_DIR}/cmake/Scripts/WriteVerSHA.cmake
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COMMENT "Updating version information"
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)
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2013-07-31 05:58:12 -05:00
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# the target above gets built every time thanks to the "ALL" modifier,
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# but it must also be done before the main library so it can pick up
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# any changes it does.
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add_dependencies (${${project}_TARGET} update-version)
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