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Computing the value of the GENERATED variable in the build file templates is somewhat overcomplicated, and because of possible duplication errors, changes are potentially error prone. Looking more closely at how this list is determined, it can be observed that the exact list of files to check is consistently available in all the values found in the %unified_info tables 'depends', 'sources' and 'shared_sources', and all that's needed is to filter those values so only those present as keys in the 'generate' table are left. This computation is also common for all build files, so due to its apparent complexity, we move it to common0.tmpl, with the result left in a global variable (@generated), to be consumed by all build file templates. common0.tmpl is included among the files to process when creating build files, but unlike common.tmpl, it comes first of all. Reviewed-by: Andy Polyakov <appro@openssl.org> (Merged from https://github.com/openssl/openssl/pull/5930)
32 lines
1.3 KiB
Perl
32 lines
1.3 KiB
Perl
{- # -*- Mode: perl -*-
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# Commonly used list of generated files
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# The reason for the complexity is that the build.info files provide
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# GENERATE rules for *all* platforms without discrimination, while the
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# build files only want those for a particular build. Therefore, we
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# need to extrapolate exactly what we need to generate. The way to do
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# that is to extract all possible source files from diverse tables and
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# filter out all that are not generated
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my %generatables =
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map { $_ => 1 }
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( # The sources of stuff may be generated
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( map { @{$unified_info{sources}->{$_}} }
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keys %{$unified_info{sources}} ),
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$disabled{shared}
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? ()
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: ( map { @{$unified_info{shared_sources}->{$_}} }
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keys %{$unified_info{shared_sources}} ),
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# Things we explicitely depend on are usually generated
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( map { $_ eq "" ? () : @{$unified_info{depends}->{$_}} }
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keys %{$unified_info{depends}} ));
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our @generated =
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sort ( ( grep { defined $unified_info{generate}->{$_} }
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sort keys %generatables ),
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# Scripts are assumed to be generated, so add thhem too
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( grep { defined $unified_info{sources}->{$_} }
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@{$unified_info{scripts}} ) );
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# Avoid strange output
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"";
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-}
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