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Don't include <regex> in header files

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This reduces compilation time by ~15 seconds (CPU time).

Issue #4045.
This commit is contained in:
Eelco Dolstra 2020-09-21 18:22:45 +02:00
parent cbe0bb29f4
commit e8e1d420f3
16 changed files with 96 additions and 53 deletions
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2
src/nix-env/nix-env.cc
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@ -230,7 +230,7 @@ static DrvInfos filterBySelector(EvalState & state, const DrvInfos & allElems,
{
DrvNames selectors = drvNamesFromArgs(args);
if (selectors.empty())
selectors.push_back(DrvName("*"));
selectors.emplace_back("*");
DrvInfos elems;
set<unsigned int> done;