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ENH: performance fixes for network depends

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This commit is contained in:
Bill Hoffman
2003-07-28 18:12:23 -04:00
parent 3d27a6a391
commit 2ba1c0ab06
3 changed files with 44 additions and 9 deletions
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Source/cmLocalUnixMakefileGenerator.cxx
+5 -2
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@@ -1904,8 +1904,11 @@ void cmLocalUnixMakefileGenerator::OutputCheckDepends(std::ostream& fout)
(*source)->GetDepends().begin();
dep != (*source)->GetDepends().end(); ++dep)
{
std::string dependfile =
cmSystemTools::ConvertToOutputPath(cmSystemTools::CollapseFullPath(dep->c_str()).c_str());
// do not call CollapseFullPath on dep here, because it already
// has been done because m_FullPath on cmDependInformation
// always is it called. If it is called here, network builds are
// very slow because of the number of stats
std::string dependfile = cmSystemTools::ConvertToOutputPath(dep->c_str());
// use the lower path function to create uniqe names
std::string lowerpath = this->LowerCasePath(dependfile.c_str());
if(emittedLowerPath.insert(lowerpath).second)