-
-# Generate version information from Git
-#####################################################################
-
-include(GetGitRevisionDescription)
-get_git_head_revision(GIT_REFSPEC GIT_HEAD)
-git_describe(GIT_DESCRIBE --long)
-
-# If in a Git repo we can get the commit-date from a git command
-if (GIT_HEAD)
- execute_process(
- COMMAND git -c log.showsignature=false show -s --format=%ct
- WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
- OUTPUT_VARIABLE GIT_COMMIT_DATE
- OUTPUT_STRIP_TRAILING_WHITESPACE
- )
-endif()
-
-# If not in a Git repo try to read GIT_HEAD and GIT_DESCRIBE from
-# enviroment
-if (NOT GIT_HEAD OR NOT GIT_DESCRIBE)
- if (DEFINED ENV{GIT_HEAD})
- set(GIT_HEAD $ENV{GIT_HEAD})
- endif()
- if (DEFINED ENV{GIT_DESCRIBE})
- set(GIT_DESCRIBE $ENV{GIT_DESCRIBE})
- endif()
-endif()
-
-# Sanitize things if we're not in a Git repo
-if (NOT GIT_HEAD OR NOT GIT_DESCRIBE)
- set(GIT_HEAD "")
- set(GIT_DESCRIBE "")
- set(GIT_COMMIT_DATE 0)
-endif()
-
-configure_file(version.h.in ${CMAKE_BINARY_DIR}/version.h @ONLY)
-