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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 | e98428d7bd90d690ba6dd4f273378253ca0698bf (patch) | |
| tree | 1d9ce1aa70588fe768725c5e097b0ce0f2b820c4 /clang/lib/Frontend/ASTUnit.cpp | |
| parent | c503e784c7c8b27912c6aedf989023576ac5a959 (diff) | |
| download | bcm5719-llvm-e98428d7bd90d690ba6dd4f273378253ca0698bf.tar.gz bcm5719-llvm-e98428d7bd90d690ba6dd4f273378253ca0698bf.zip | |
Add an environment variable that makes libclang use chaining for PCH.
llvm-svn: 110414
Diffstat (limited to 'clang/lib/Frontend/ASTUnit.cpp')
| -rw-r--r-- | clang/lib/Frontend/ASTUnit.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp index 7c15d82d3b3..88c55a885a2 100644 --- a/clang/lib/Frontend/ASTUnit.cpp +++ b/clang/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(); |
