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34 lines
1.3 KiB
34 lines
1.3 KiB
function (write_static_version_header hash)
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set(VERSIONTAG "${hash}")
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configure_file("src/version.h.in" "version/version.h")
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add_custom_target(version ALL)
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endfunction ()
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file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/version")
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find_package(Git QUIET)
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if ("$Format:$" STREQUAL "")
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# We're in a tarball; use hard-coded variables.
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write_static_version_header("release")
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elseif (GIT_FOUND OR Git_FOUND)
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message(STATUS "Found Git: ${GIT_EXECUTABLE}")
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set(extra_output)
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if (CMAKE_GENERATOR MATCHES "Ninja")
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# Ninja will not rerun the command every time if the file doesn't change,
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# so inject this bogus output so that it always runs.
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set(extra_output "${CMAKE_SOURCE_DIR}/.force-git-version-check")
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endif ()
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add_custom_command(
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OUTPUT "${CMAKE_BINARY_DIR}/version/version.h"
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${extra_output}
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COMMAND "${CMAKE_COMMAND}"
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"-D" "GIT=${GIT_EXECUTABLE}"
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"-D" "TO=${CMAKE_BINARY_DIR}/version/version.h"
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"-P" "src/version.cmake"
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WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}")
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add_custom_target(version ALL
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DEPENDS "${CMAKE_BINARY_DIR}/version/version.h")
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else()
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message(STATUS "WARNING: Git was not found!")
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write_static_version_header("unknown")
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endif ()
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