diff options
Diffstat (limited to 'version.cmake')
| -rw-r--r-- | version.cmake | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/version.cmake b/version.cmake new file mode 100644 index 000000000..80f1c40b8 --- /dev/null +++ b/version.cmake @@ -0,0 +1,33 @@ +function (write_static_version_header hash) + set(VERSIONTAG "${hash}") + configure_file("src/version.h.in" "version/version.h") + add_custom_target(version ALL) +endfunction () + +file(MAKE_DIRECTORY "${CMAKE_BINARY_DIR}/version") +find_package(Git QUIET) +if ("$Format:$" STREQUAL "") + # We're in a tarball; use hard-coded variables. + write_static_version_header("release") +elseif (GIT_FOUND OR Git_FOUND) + message(STATUS "Found Git: ${GIT_EXECUTABLE}") + set(extra_output) + if (CMAKE_GENERATOR MATCHES "Ninja") + # Ninja will not rerun the command every time if the file doesn't change, + # so inject this bogus output so that it always runs. + set(extra_output "${CMAKE_SOURCE_DIR}/.force-git-version-check") + endif () + add_custom_command( + OUTPUT "${CMAKE_BINARY_DIR}/version/version.h" + ${extra_output} + COMMAND "${CMAKE_COMMAND}" + "-D" "GIT=${GIT_EXECUTABLE}" + "-D" "TO=${CMAKE_BINARY_DIR}/version/version.h" + "-P" "src/version.cmake" + WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}") + add_custom_target(version ALL + DEPENDS "${CMAKE_BINARY_DIR}/version/version.h") +else() + message(STATUS "WARNING: Git was not found!") + write_static_version_header("unknown") +endif () |