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//===--- DependencyOutputOptions.h ------------------------------*- C++ -*-===//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#include <string>
#include <vector>
namespace clang {
/// ShowIncludesDestination - Destination for /showIncludes output.
enum class ShowIncludesDestination { None, Stdout, Stderr };
/// DependencyOutputFormat - Format for the compiler dependency file.
enum class DependencyOutputFormat { Make, NMake };
/// ExtraDepKind - The kind of extra dependency file.
enum ExtraDepKind {
/// DependencyOutputOptions - Options for controlling the compiler dependency
/// file generation.
class DependencyOutputOptions {
unsigned IncludeSystemHeaders : 1; ///< Include system header dependencies.
unsigned ShowHeaderIncludes : 1; ///< Show header inclusions (-H).
unsigned UsePhonyTargets : 1; ///< Include phony targets for each
/// dependency, which can avoid some 'make'
/// problems.
unsigned AddMissingHeaderDeps : 1; ///< Add missing headers to dependency list
unsigned IncludeModuleFiles : 1; ///< Include module file dependencies.
unsigned ShowSkippedHeaderIncludes : 1; ///< With ShowHeaderIncludes, show
/// also includes that were skipped
/// due to the "include guard
/// optimization" or #pragma once.
/// Destination of cl.exe style /showIncludes info.
ShowIncludesDestination ShowIncludesDest = ShowIncludesDestination::None;
/// The format for the dependency file.
DependencyOutputFormat OutputFormat = DependencyOutputFormat::Make;
/// The file to write dependency output to.
std::string OutputFile;
/// The file to write header include output to. This is orthogonal to
/// ShowHeaderIncludes (-H) and will include headers mentioned in the
/// predefines buffer. If the output file is "-", output will be sent to
/// stderr.
std::string HeaderIncludeOutputFile;
/// A list of names to use as the targets in the dependency file; this list
/// must contain at least one entry.
std::vector<std::string> Targets;
/// A list of extra dependencies (filename and kind) to be used for every
/// target.
std::vector<std::pair<std::string, ExtraDepKind>> ExtraDeps;
/// In /showIncludes mode, pretend the main TU is a header with this name.
std::string ShowIncludesPretendHeader;
/// The file to write GraphViz-formatted header dependencies to.
std::string DOTOutputFile;
/// The directory to copy module dependencies to when collecting them.
std::string ModuleDependencyOutputDir;
: IncludeSystemHeaders(0), ShowHeaderIncludes(0), UsePhonyTargets(0),
AddMissingHeaderDeps(0), IncludeModuleFiles(0),
ShowSkippedHeaderIncludes(0) {}
} // end namespace clang