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| author | Tim Blechmann <tim@klingt.org> | 2020-01-14 10:55:04 (GMT) |
|---|---|---|
| committer | Tim Blechmann <tim@klingt.org> | 2020-01-16 03:29:25 (GMT) |
| commit | 9d5a554cc9de0ac03d2da7dc95b8ef1db4a526e9 (patch) | |
| tree | aa91636887104b6c5a85023fde05373d107abfb1 /Source/cmGlobalGenerator.cxx | |
| parent | 23e782ce05b5996536eff4c075d4bc36a8d8ba85 (diff) | |
| download | CMake-9d5a554cc9de0ac03d2da7dc95b8ef1db4a526e9.zip CMake-9d5a554cc9de0ac03d2da7dc95b8ef1db4a526e9.tar.gz CMake-9d5a554cc9de0ac03d2da7dc95b8ef1db4a526e9.tar.bz2 | |
cmGlobalGenerator: Add cache for realpath() results
Cache the results of `realpath()` system calls in `cmGlobalGenerator`
to avoid repeating such calls for the same paths over and over.
Diffstat (limited to 'Source/cmGlobalGenerator.cxx')
| -rw-r--r-- | Source/cmGlobalGenerator.cxx | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx index bcc9050..c189ea5 100644 --- a/Source/cmGlobalGenerator.cxx +++ b/Source/cmGlobalGenerator.cxx @@ -7,6 +7,7 @@ #include <cstdio> #include <cstdlib> #include <cstring> +#include <functional> #include <initializer_list> #include <iterator> #include <sstream> @@ -3110,6 +3111,16 @@ cmGlobalGenerator::GetFilenameTargetDepends(cmSourceFile* sf) const return this->FilenameTargetDepends[sf]; } +const std::string& cmGlobalGenerator::GetRealPath(const std::string& dir) +{ + auto i = this->RealPaths.lower_bound(dir); + if (i == this->RealPaths.end() || + this->RealPaths.key_comp()(dir, i->first)) { + i = this->RealPaths.emplace_hint(i, dir, cmSystemTools::GetRealPath(dir)); + } + return i->second; +} + void cmGlobalGenerator::ProcessEvaluationFiles() { std::vector<std::string> generatedFiles; |