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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_numeric var dir)
if(NOT DEFINED ${var})
set(version_numeric "0.0.0")
set(version "0.0.0-unknown")
if(GIT_EXECUTABLE)
set(command
"${GIT_EXECUTABLE}"
-C
"${dir}"
describe
--tags
--match
v*
)
execute_process(
COMMAND ${command}
RESULT_VARIABLE result
OUTPUT_STRIP_TRAILING_WHITESPACE
OUTPUT_VARIABLE version_out
)
if(NOT result EQUAL 0)
message(
WARNING
"Getting ${var} failed: ${command} returned ${result}\nIs this a Git repo with tags?\nConsider settings -D${var} to specify a version manually"
)
elseif("${version_out}" MATCHES "^v(([0-9]+(\\.[0-9]+)*).*)")
set(version "${CMAKE_MATCH_1}")
set(version_numeric "${CMAKE_MATCH_2}")
else()
message(
WARNING
"Couldn't parse version (like v1.2.3 or v1.2.3-foo) from ${version_out}, using ${version} for now"
)
endif()
else()
message(
WARNING
"Couldn't find git executable to get ${var}, please use -D${var}, using ${version} for now"
)
endif()
endif()
set(${var_numeric}
${version_numeric}
CACHE STRING
"The project version numeric part, detected using git if available"
)
set(${var}
${version}
CACHE STRING
"The project version, detected using git if available"
)
endfunction()
|
