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minor tweaks; build-time version numbers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| # Generates version.cpp with git information at during build (and not just configure) | ||
| # | ||
| # Based on: | ||
| # | ||
| # https://mind.be/compile-time-git-version-info-using-cmake/ | ||
| # | ||
| # and | ||
| # | ||
| # https://www.mattkeeter.com/blog/2018-01-06-versioning/ | ||
| # | ||
|
|
||
| # Find Git or bail out | ||
| find_package(Git) | ||
| if(NOT GIT_FOUND) | ||
| message(FATAL_ERROR "[VersionFromGit] Git not found") | ||
| endif(NOT GIT_FOUND) | ||
|
|
||
| # Git describe | ||
| execute_process( | ||
| COMMAND "${GIT_EXECUTABLE}" describe --tags --dirty | ||
| WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" | ||
| RESULT_VARIABLE git_result | ||
| OUTPUT_VARIABLE git_describe | ||
| ERROR_VARIABLE git_error | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE | ||
| ) | ||
| if(NOT git_result EQUAL 0) | ||
| message(WARNING "[VersionFromGit] Failed to execute Git: ${git_error}") | ||
| set(git_describe "") | ||
| endif() | ||
|
|
||
| # Get Git tag | ||
| execute_process( | ||
| COMMAND "${GIT_EXECUTABLE}" describe --tags --abbrev=0 | ||
| WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" | ||
| RESULT_VARIABLE git_result | ||
| OUTPUT_VARIABLE git_tag | ||
| ERROR_VARIABLE git_error | ||
| OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE | ||
| ) | ||
| if(NOT git_result EQUAL 0) | ||
| message(WARNING "[VersionFromGit] Failed to execute Git: ${git_error}") | ||
| set(git_tag "") | ||
| endif() | ||
|
|
||
| if(git_tag MATCHES "^v(0|[1-9][0-9]*)[.](0|[1-9][0-9]*)[.](0|[1-9][0-9]*)(-[.0-9A-Za-z-]+)?([+][.0-9A-Za-z-]+)?$") | ||
| set(version_major "${CMAKE_MATCH_1}") | ||
| set(version_minor "${CMAKE_MATCH_2}") | ||
| set(version_patch "${CMAKE_MATCH_3}") | ||
| set(identifiers "${CMAKE_MATCH_4}") | ||
| set(metadata "${CMAKE_MATCH_5}") | ||
| else() | ||
| message(WARNING "[VersionFromGit] Git tag isn't valid semantic version: [${git_tag}]") | ||
| set(version_major "0") | ||
| set(version_minor "0") | ||
| set(version_patch "0") | ||
| set(identifiers "") | ||
| set(metadata "") | ||
| endif() | ||
|
|
||
| if("${git_tag}" STREQUAL "${git_describe}") | ||
| set(git_at_a_tag ON) | ||
| endif() | ||
|
|
||
| if(NOT git_at_a_tag) | ||
| # Extract the Git hash (if one exists) | ||
| string(REGEX MATCH "g[0-9a-f]+$" git_hash "${git_describe}") | ||
| endif() | ||
|
|
||
| # Construct the version variables | ||
| set(version ${version_major}.${version_minor}.${version_patch}) | ||
| set(semver ${version}) | ||
|
|
||
| # Identifiers | ||
| if(identifiers MATCHES ".+") | ||
| string(SUBSTRING "${identifiers}" 1 -1 identifiers) | ||
| set(semver "${semver}-${identifiers}") | ||
| endif() | ||
|
|
||
| # Metadata TODO Split and join (add Git hash inbetween) | ||
| if(metadata MATCHES ".+") | ||
| string(SUBSTRING "${metadata}" 1 -1 metadata) | ||
| # Split | ||
| string(REPLACE "." ";" metadata "${metadata}") | ||
| endif() | ||
|
|
||
| if(NOT git_at_a_tag) | ||
|
|
||
| list(APPEND metadata "${git_hash}") | ||
|
|
||
| # Timestamp | ||
| if(DEFINED ARG_TIMESTAMP) | ||
| string( | ||
| TIMESTAMP | ||
| timestamp "${ARG_TIMESTAMP}" | ||
| UTC | ||
| ) | ||
| list(APPEND metadata "${timestamp}") | ||
| endif(DEFINED ARG_TIMESTAMP) | ||
|
|
||
| endif() | ||
|
|
||
| # Join | ||
| string(REPLACE ";" "." metadata "${metadata}") | ||
|
|
||
| if(metadata MATCHES ".+") | ||
| set(semver "${semver}+${metadata}") | ||
| endif() | ||
|
|
||
| # Log the results | ||
| message( | ||
| STATUS | ||
| "Version: ${version} | ||
| Git tag: [${git_tag}] | ||
| Git hash: [${git_hash}] | ||
| Decorated: [${git_describe}] | ||
| Identifiers: [${identifiers}] | ||
| Metadata: [${metadata}] | ||
| SemVer: [${semver}]" | ||
| ) | ||
|
|
||
| # Set variables | ||
| set(GIT_TAG ${git_tag}) | ||
| set(GIT_HASH ${git_hash}) | ||
| set(GIT_DESCRIBE ${git_describe}) | ||
| set(SEMVER ${semver}) | ||
| set(VERSION ${version}) | ||
| set(VERSION_MAJOR ${version_major}) | ||
| set(VERSION_MINOR ${version_minor}) | ||
| set(VERSION_PATCH ${version_patch}) | ||
|
|
||
| string(TIMESTAMP BUILD_TIME "%Y-%m-%d %H:%M") | ||
| message(STATUS "Saving build timestamp: ${BUILD_TIME}") | ||
|
|
||
| # Multiply CMAKE_SIZEOF_VOID_P by 8 to get the bitness | ||
| math(EXPR BITNESS "${CMAKE_SIZEOF_VOID_P} * 8") | ||
| set(VERSION_LONG "${GIT_DESCRIBE} (${BITNESS} bit)") | ||
|
|
||
| configure_file("${SRC_DIR}/version.cpp.in" "${BIN_DIR}/version.cpp" @ONLY) |
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