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Make buildinfo not fail with git-svn as suggested by Nicholas Bishop.

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Improve formating and comments a bit.
This commit is contained in:
Guillermo S. Romero
2011-02-25 04:02:58 +00:00
parent 18c7354bd2
commit aa9c91f01a
1 changed files with 15 additions and 11 deletions
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26
build_files/cmake/buildinfo.cmake
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@@ -1,17 +1,21 @@
# this is called by cmake as an extermal process from # This is called by cmake as an extermal process from
# ./source/creator/CMakeLists.txt to write ./source/creator/buildinfo.h # ./source/creator/CMakeLists.txt to write ./source/creator/buildinfo.h
# the FindSubversion.cmake module is part of the standard distribution # The FindSubversion.cmake module is part of the standard distribution
include(FindSubversion) include(FindSubversion)
# extract working copy information for SOURCE_DIR into MY_XXX variables
if(Subversion_FOUND) # Extract working copy information for SOURCE_DIR into MY_XXX variables
Subversion_WC_INFO(${SOURCE_DIR} MY) # with a default in case anything fails, for examble when using git-svn
else() set(MY_WC_REVISION "unknown")
set(MY_WC_REVISION "unknown") # Guess if this is a SVN working copy and then look up the revision
if(EXISTS ${CMAKE_SOURCE_DIR}/.svn/)
if(Subversion_FOUND)
bversion_WC_INFO(${SOURCE_DIR} MY)
endif()
endif() endif()
# BUILD_PLATFORM and BUILD_PLATFORM are taken from CMake # BUILD_PLATFORM and BUILD_PLATFORM are taken from CMake
# But BUILD_DATE is plataform dependant # but BUILD_DATE and BUILD_TIME are plataform dependant
if(UNIX) if(UNIX)
execute_process(COMMAND date "+%Y-%m-%d" OUTPUT_VARIABLE BUILD_DATE OUTPUT_STRIP_TRAILING_WHITESPACE) 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) execute_process(COMMAND date "+%H:%M:%S" OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE)
@@ -21,14 +25,14 @@ if(WIN32)
execute_process(COMMAND cmd /c time /t OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE) execute_process(COMMAND cmd /c time /t OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE)
endif() endif()
# write a file with the SVNVERSION define # Write a file with the SVNVERSION define
file(WRITE buildinfo.h.txt file(WRITE buildinfo.h.txt
"#define BUILD_REV ${MY_WC_REVISION}\n" "#define BUILD_REV ${MY_WC_REVISION}\n"
"#define BUILD_DATE ${BUILD_DATE}\n" "#define BUILD_DATE ${BUILD_DATE}\n"
"#define BUILD_TIME ${BUILD_TIME}\n" "#define BUILD_TIME ${BUILD_TIME}\n"
) )
# copy the file to the final header only if the version changes # Copy the file to the final header only if the version changes
# reduces needless rebuilds # and avoid needless rebuilds
execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
buildinfo.h.txt buildinfo.h) buildinfo.h.txt buildinfo.h)