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aec06dd492
In cmVersionConfig.h we must define this macro with a value because clients expect it to have one. Also ensure that all CMakeLists.txt code paths have an initialized value. Reported-by: Stephen Kelly <steveire@gmail.com>
31 lines
949 B
CMake
31 lines
949 B
CMake
# Try to identify the current development source version.
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set(CMake_VERSION_SOURCE "")
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if(EXISTS ${CMake_SOURCE_DIR}/.git/HEAD)
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find_program(GIT_EXECUTABLE NAMES git git.cmd)
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mark_as_advanced(GIT_EXECUTABLE)
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if(GIT_EXECUTABLE)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} rev-parse --verify -q --short=4 HEAD
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OUTPUT_VARIABLE head
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OUTPUT_STRIP_TRAILING_WHITESPACE
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WORKING_DIRECTORY ${CMake_SOURCE_DIR}
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)
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if(head)
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set(CMake_VERSION_SOURCE "g${head}")
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execute_process(
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COMMAND ${GIT_EXECUTABLE} update-index -q --refresh
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WORKING_DIRECTORY ${CMake_SOURCE_DIR}
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)
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execute_process(
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COMMAND ${GIT_EXECUTABLE} diff-index --name-only HEAD --
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OUTPUT_VARIABLE dirty
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OUTPUT_STRIP_TRAILING_WHITESPACE
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WORKING_DIRECTORY ${CMake_SOURCE_DIR}
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)
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if(dirty)
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set(CMake_VERSION_IS_DIRTY 1)
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endif()
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endif()
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endif()
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endif()
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