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16 lines
720 B
Markdown
16 lines
720 B
Markdown
This directory contains tools to help analyze header dependencies.
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The first script is "build_headers". It runs clang with -H option,
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to generate header dependencies, over the entire source directory,
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and builds out of tree copies of all files with a listing of all
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headers they directly or indirectly include. You may run it with
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various filters for level of detail.
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Build headers will generate a sorted "rank" file which indicates
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how many compilation units include each header.
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The second script is "header_times". It takes a compilation log,
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generated by scons with debug=time option (such as found on
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travis), and builds a second ranking in which compilation units
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are weighted by the total time that they take.
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