mirror of https://github.com/FreeRDP/FreeRDP
36 lines
1.9 KiB
Markdown
36 lines
1.9 KiB
Markdown
As FreeRDPs is build on different OS with different build tools and methods the
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"version detection" has grown historically.
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This document quickly describes how it's currently used.
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When doing a `xfreerdp /version` for example the following is shown
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`This is FreeRDP version 3.0.0-dev (c99c4cecddee4e5b914b122bc1531d47a668bb8e)`
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The first part ist the Version as defined in `RAW_VERSION_STRING` and the second part, in braces,
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the `GIT_REVISON` of this version.
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`RAW_VERSION_STRING` is very vital as it determines the version used for libraries as well also for
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all sub-projects as WinPR.
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As default both variables are equal.
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For nightly or development builds it is often of advantage to have the actual version from git
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instead of having the hard coded value set in CMakeLists.txt. For this the cmake variable `USE_VERSION_FROM_GIT_TAG`
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can be set. In order for this to work you need a) source checkout and b) git command line utility.
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If enabled the information from the last git tag (in the format major.minor.patch-extra like
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2.6.0-android12) will be used.
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If you are building FreeRDP and can't use git because it's not available or the source is not in an
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git repository - for example when building packages - the files `.source_tag` and `.source_version`
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in the top-level source directory can be used. `.source_tag` is equal to `RAW_VERSION_STRING` and
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need to contain the version in the same format as the git tag. `.source_version` is used to pre-fill
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`GIT_REVISON`. Although mostly used for that it must not contain a git commit or tag - it can be
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used to set additional arbitrary information. Our recommendation for packagers is to create
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`.source_version` when importing and set it to the upstream commit or tag to simplify issue
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tracking.
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As summary the different mechanisms are applied in that order:
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* `.source_tag` and `.source_version` if found
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* version set from the last git tag if `RAW_VERSION_STRING` is set
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* hard coded version in CMakeLists.txt
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