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ENH: Simplify link lines in some cases by not allowing targets to be inferred dependees of items with unknown dependencies.

This commit is contained in:
Brad King 2008-04-23 00:40:12 -04:00
parent cbdc1d6e19
commit bd09f6eabc
1 changed files with 9 additions and 1 deletions
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10
Source/cmComputeLinkDepends.cxx
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@ -100,6 +100,9 @@ For the unknown items, we infer dependencies by looking at the
B: intersect( {Y,C} , {} ) = {} ; infer no edges
C: intersect( {} , {B} ) = {} ; infer no edges
Note that targets are never inferred as dependees because outside
libraries should not depend on them.
------------------------------------------------------------------------------
Once the complete graph is formed from all known and inferred
@ -548,7 +551,12 @@ cmComputeLinkDepends::AddLinkEntries(int depender_index,
for(std::map<int, DependSet>::iterator dsi = dependSets.begin();
dsi != dependSets.end(); ++dsi)
{
if(dependee_index != dsi->first)
// Add this item to the inferred dependencies of other items.
// Target items are never inferred dependees because unknown
// items are outside libraries that should not be depending on
// targets.
if(!this->EntryList[dependee_index].Target &&
dependee_index != dsi->first)
{
dsi->second.insert(dependee_index);
}