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| author | Sebastian Redl <sebastian.redl@getdesigned.at> | 2010-08-06 00:35:11 +0000 |
|---|---|---|
| committer | Sebastian Redl <sebastian.redl@getdesigned.at> | 2010-08-06 00:35:11 +0000 |
| commit | f65339e0f1b9ccfc0c92c85f68bb2e72ea48a27b (patch) | |
| tree | 01ed1f440cd52dd2844aeef57a74ae0cde031cb3 /lib/Frontend/ASTUnit.cpp | |
| parent | a87b1eb7f1ef233cd8739ea6052f3375751376e2 (diff) | |
Add an environment variable that makes libclang use chaining for PCH.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@110414 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Frontend/ASTUnit.cpp')
| -rw-r--r-- | lib/Frontend/ASTUnit.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Frontend/ASTUnit.cpp b/lib/Frontend/ASTUnit.cpp index 7c15d82d3b..88c55a885a 100644 --- a/lib/Frontend/ASTUnit.cpp +++ b/lib/Frontend/ASTUnit.cpp @@ -848,7 +848,9 @@ llvm::MemoryBuffer *ASTUnit::BuildPrecompiledPreamble() { // Tell the compiler invocation to generate a temporary precompiled header. FrontendOpts.ProgramAction = frontend::GeneratePCH; - // FIXME: Set ChainedPCH, once it is ready. + // FIXME: Set ChainedPCH unconditionally, once it is ready. + if (::getenv("LIBCLANG_CHAINING")) + FrontendOpts.ChainedPCH = true; // FIXME: Generate the precompiled header into memory? FrontendOpts.OutputFile = GetPreamblePCHPath(); |