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Put add-usage-requirements back

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[SVN r41979]
This commit is contained in:
Vladimir Prus
2007-12-11 19:41:47 +00:00
parent 89cd055eb0
commit f679fc1efd
1 changed files with 21 additions and 1 deletions
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22
src/build/generators.jam
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@@ -1186,6 +1186,26 @@ rule construct ( project name ? : target-type : property-set * : sources * )
decrease-indent ;
.construct-stack = $(.construct-stack[2-]) ;
return $(result) ;
}
# Given 'result', obtained from some generator or
# generators.construct, adds 'raw-properties' as usage requirements
# to it. If result already contains usage requirements -- that is
# the first element of result of an instance of the property-set class,
# the existing usage requirements and 'raw-properties' are combined.
rule add-usage-requirements ( result * : raw-properties * )
{
if $(result)
{
if [ class.is-a $(result[1]) : property-set ]
{
return [ $(result[1]).add-raw $(raw-properties) ] $(result[2-]) ;
}
else
{
return [ property-set.create $(raw-properties) ] $(result) ;
}
}
}