40 lines
1.6 KiB
CMake
40 lines
1.6 KiB
CMake
# This is called by cmake as an extermal process from
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# ./source/creator/CMakeLists.txt to write ./source/creator/buildinfo.h
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# The FindSubversion.cmake module is part of the standard distribution
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include(FindSubversion)
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# Extract working copy information for SOURCE_DIR into MY_XXX variables
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# with a default in case anything fails, for examble when using git-svn
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set(MY_WC_REVISION "unknown")
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# Guess if this is a SVN working copy and then look up the revision
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if(EXISTS ${SOURCE_DIR}/.svn/)
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if(Subversion_FOUND)
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Subversion_WC_INFO(${SOURCE_DIR} MY)
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endif()
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endif()
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# BUILD_PLATFORM and BUILD_PLATFORM are taken from CMake
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# but BUILD_DATE and BUILD_TIME are plataform dependant
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if(UNIX)
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execute_process(COMMAND date "+%Y-%m-%d" OUTPUT_VARIABLE BUILD_DATE OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND date "+%H:%M:%S" OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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if(WIN32)
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execute_process(COMMAND cmd /c date /t OUTPUT_VARIABLE BUILD_DATE OUTPUT_STRIP_TRAILING_WHITESPACE)
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execute_process(COMMAND cmd /c time /t OUTPUT_VARIABLE BUILD_TIME OUTPUT_STRIP_TRAILING_WHITESPACE)
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endif()
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# Write a file with the SVNVERSION define
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file(WRITE buildinfo.h.txt
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"#define BUILD_REV \"${MY_WC_REVISION}\"\n"
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"#define BUILD_DATE \"${BUILD_DATE}\"\n"
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"#define BUILD_TIME \"${BUILD_TIME}\"\n"
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)
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# Copy the file to the final header only if the version changes
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# and avoid needless rebuilds
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# TODO: verify this comment is true, as BUILD_TIME probably changes
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execute_process(COMMAND ${CMAKE_COMMAND} -E copy_if_different
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buildinfo.h.txt buildinfo.h)
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