diff options
Diffstat (limited to 'build_files/cmake/buildinfo.cmake')
| -rw-r--r-- | build_files/cmake/buildinfo.cmake | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/build_files/cmake/buildinfo.cmake b/build_files/cmake/buildinfo.cmake new file mode 100644 index 00000000000..bfc17ae2cfe --- /dev/null +++ b/build_files/cmake/buildinfo.cmake @@ -0,0 +1,39 @@ +# This is called by cmake as an extermal process from +# ./source/creator/CMakeLists.txt to write ./source/creator/buildinfo.h + +# The FindSubversion.cmake module is part of the standard distribution +include(FindSubversion) + +# Extract working copy information for SOURCE_DIR into MY_XXX variables +# with a default in case anything fails, for examble when using git-svn +set(MY_WC_REVISION "unknown") +# Guess if this is a SVN working copy and then look up the revision +if(EXISTS ${SOURCE_DIR}/.svn/) + if(Subversion_FOUND) + Subversion_WC_INFO(${SOURCE_DIR} MY) + endif() +endif() + +# BUILD_PLATFORM and BUILD_PLATFORM are taken from CMake +# but BUILD_DATE and BUILD_TIME are plataform dependant +if(UNIX) + execute_process(COMMAND date "+%Y-%m-%d" OUTPUT_VARIABLE BUILD_DATE OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND date "+%H:%M:%S" OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE) +endif() +if(WIN32) + execute_process(COMMAND cmd /c date /t OUTPUT_VARIABLE BUILD_DATE OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND cmd /c time /t OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE) +endif() + +# Write a file with the SVNVERSION define +file(WRITE buildinfo.h.txt + "#define BUILD_REV ${MY_WC_REVISION}\n" + "#define BUILD_DATE ${BUILD_DATE}\n" + "#define BUILD_TIME ${BUILD_TIME}\n" +) + +# Copy the file to the final header only if the version changes +# and avoid needless rebuilds +# TODO: verify this comment is true, as BUILD_TIME probably changes +execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different + buildinfo.h.txt buildinfo.h) |