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Only introduce the SDKSettings.plist dependency in modules/PCH files that don't depend on any other modules or PCH files. 

llvm-svn: 177542
This commit is contained in:
Douglas Gregor 2013-03-20 16:59:53 +00:00
parent 0175461296
commit 2bb719f3a9
1 changed files with 1 additions and 1 deletions
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2
clang/lib/Serialization/ASTWriter.cpp
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@ -1277,7 +1277,7 @@ void ASTWriter::WriteInputFiles(SourceManager &SourceMgr,
// detecting whether the system headers may have changed, because it is too
// expensive to stat() all of the system headers.
FileManager &FileMgr = SourceMgr.getFileManager();
if (!HSOpts.Sysroot.empty()) {
if (!HSOpts.Sysroot.empty() && !Chain) {
llvm::SmallString<128> SDKSettingsFileName(HSOpts.Sysroot);
llvm::sys::path::append(SDKSettingsFileName, "SDKSettings.plist");
if (const FileEntry *SDKSettingsFile = FileMgr.getFile(SDKSettingsFileName)) {