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cmStateDirectory: Comment relative path top directory selection approach

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This commit is contained in:
Brad King
2021-05-13 09:47:33 -04:00
parent f0ffb1e2d4
commit f6d4fa63f8
1 changed files with 6 additions and 0 deletions
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6
Source/cmStateDirectory.cxx
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@@ -44,6 +44,9 @@ void cmStateDirectory::ComputeRelativePathTopSource()
std::string result = snapshots.front().GetDirectory().GetCurrentSource();
// Walk up the buildsystem directory tree to find the highest source
// directory that contains the current source directory and the
// intermediate ancestors.
for (cmStateSnapshot const& snp : cmMakeRange(snapshots).advance(1)) {
std::string currentSource = snp.GetDirectory().GetCurrentSource();
if (cmSystemTools::IsSubDirectory(result, currentSource)) {
@@ -69,6 +72,9 @@ void cmStateDirectory::ComputeRelativePathTopBinary()
std::string result = snapshots.front().GetDirectory().GetCurrentBinary();
// Walk up the buildsystem directory tree to find the highest binary
// directory that contains the current binary directory and the
// intermediate ancestors.
for (cmStateSnapshot const& snp : cmMakeRange(snapshots).advance(1)) {
std::string currentBinary = snp.GetDirectory().GetCurrentBinary();
if (cmSystemTools::IsSubDirectory(result, currentBinary)) {