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|
find_package(Git)
# Extract a version from the latest tag matching something like v1.2.3.4
function(get_git_version var dir)
if(NOT DEFINED ${var})
set(version "0.0")
if(GIT_EXECUTABLE)
set(command
"${GIT_EXECUTABLE}"
-C
"${dir}"
describe
--abbrev=0
--tags
--match
v*
)
execute_process(
COMMAND ${command}
RESULT_VARIABLE result
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE version
)
if(NOT result EQUAL 0)
message(
WARNING
"Getting ${var} failed: ${command} returned ${result}"
)
elseif("${version}" MATCHES "^v([0-9]+(\.[0-9]+)*).*")
set(version "${CMAKE_MATCH_1}")
else()
message(
WARNING
"Couldn't parse numeric version (like v1.2.3) from ${version}"
)
endif()
else()
message(
WARNING
"Couldn't find git executable to get ${var}, please use -D${var}"
)
endif()
endif()
set(${var}
${version}
CACHE STRING
"The project version, detected using git if available"
)
endfunction()
|
