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[Modules] Emit the module file paths as dependencies of the PCH when we are building one.

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This is because the PCH is tied to the module files, if one of the module files changes or gets removed
the build system should re-build the PCH file.

rdar://16321245

llvm-svn: 203885
This commit is contained in:
Argyrios Kyrtzidis
2014-03-14 03:07:38 +00:00
parent f88731f293
commit 6d0753d42a
9 changed files with 50 additions and 1 deletions
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1
clang/lib/Frontend/CompilerInvocation.cpp
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@@ -528,6 +528,7 @@ static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
Opts.Targets = Args.getAllArgValues(OPT_MT);
Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
Opts.IncludeModuleFiles = Args.hasArg(OPT_module_file_deps);
Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);