diff options
Diffstat (limited to 'cmake/genrev.cmake')
| -rw-r--r-- | cmake/genrev.cmake | 97 |
1 files changed, 42 insertions, 55 deletions
diff --git a/cmake/genrev.cmake b/cmake/genrev.cmake index c7a188d1993..35f1a7a11ed 100644 --- a/cmake/genrev.cmake +++ b/cmake/genrev.cmake @@ -8,67 +8,54 @@ # WITHOUT ANY WARRANTY, to the extent permitted by law; without even the # implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -include(${CMAKE_SOURCE_DIR}/cmake/macros/EnsureVersion.cmake) +# User has manually chosen to ignore the git-tests, so throw them a warning. +# This is done EACH compile so they can be alerted about the consequences. -set(_REQUIRED_GIT_VERSION "1.7") - -find_program(_GIT_EXEC - NAMES - git git.cmd - HINTS - ENV PATH - DOC "git installation path" -) - -if(_GIT_EXEC) - execute_process( - COMMAND "${_GIT_EXEC}" --version - WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" - OUTPUT_VARIABLE _GIT_VERSION - ERROR_QUIET - ) - - # make sure we're using minimum the required version of git, so the "dirty-testing" will work properly - ensure_version( "${_REQUIRED_GIT_VERSION}" "${_GIT_VERSION}" _GIT_VERSION_OK) -endif() - -if(_GIT_VERSION_OK) - execute_process( - COMMAND "${_GIT_EXEC}" describe --match init --dirty=+ --abbrev=12 - WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" - OUTPUT_VARIABLE rev_info - OUTPUT_STRIP_TRAILING_WHITESPACE - ERROR_QUIET - ) - execute_process( - COMMAND "${_GIT_EXEC}" show -s --format=%ci - WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" - OUTPUT_VARIABLE rev_date - OUTPUT_STRIP_TRAILING_WHITESPACE - ERROR_QUIET - ) -else() - message("") - message(STATUS "WARNING - Missing or outdated git - did you forget to install a recent version?") - message(STATUS "WARNING - Observe that for revision hash/date to work you need at least version ${_REQUIRED_GIT_VERSION}") +if(NOT BUILDDIR) + # Workaround for funny MSVC behaviour - this segment only run during compile + set(NO_GIT ${WITHOUT_GIT}) + set(GIT_EXEC ${GIT_EXECUTABLE}) + set(BUILDDIR ${CMAKE_BINARY_DIR}) endif() -# Last minute check - ensure that we have a proper revision -# If everything above fails (means the user has erased the git revision control directory or removed the origin/HEAD tag) -if(NOT rev_info) - # No valid ways available to find/set the revision/hash, so let's force some defaults - message(STATUS "WARNING - Missing repository tags - you may need to pull tags with git fetch -t") - message(STATUS "WARNING - Continuing anyway - note that the versionstring will be set to 0000-00-00 00:00:00 (Archived)") - set(rev_date "0000-00-00 00:00:00 +0000") +if(NO_GIT) + set(rev_date "1970-01-01 00:00:00 +0000") set(rev_hash "Archived") else() - # Extract information required to build a proper versionstring - string(REGEX REPLACE init-|[0-9]+-g "" rev_hash ${rev_info}) -endif() + if(GIT_EXEC) + # Create a revision-string that we can use + execute_process( + COMMAND "${GIT_EXEC}" describe --match init --dirty=+ --abbrev=12 + WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" + OUTPUT_VARIABLE rev_info + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET + ) -# Its not set during initial run -if(NOT BUILDDIR) - set(BUILDDIR ${CMAKE_BINARY_DIR}) + # And grab the commits timestamp + execute_process( + COMMAND "${GIT_EXEC}" show -s --format=%ci + WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}" + OUTPUT_VARIABLE rev_date + OUTPUT_STRIP_TRAILING_WHITESPACE + ERROR_QUIET + ) + endif() + + # Last minute check - ensure that we have a proper revision + # If everything above fails (means the user has erased the git revision control directory or removed the origin/HEAD tag) + + if(NOT rev_info) + # No valid ways available to find/set the revision/hash, so let's force some defaults + message(STATUS " + Could not find a proper repository signature (hash) - you may need to pull tags with git fetch -t + Continuing anyway - note that the versionstring will be set to 1970-01-01 00:00:00 (Archived)") + set(rev_date "1970-01-01 00:00:00 +0000") + set(rev_hash "Archived") + else() + # Extract information required to build a proper versionstring + string(REGEX REPLACE init-|[0-9]+-g "" rev_hash ${rev_info}) + endif() endif() # Create the actual revision.h file from the above params |