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121 lines
3.9 KiB
121 lines
3.9 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#pragma once
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <map>
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#include <string>
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#include <vector>
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#include <cm/optional>
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#include "cmArgumentParser.h"
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#include "cmArgumentParserTypes.h"
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#include "cmStateTypes.h"
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class cmMakefile;
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template <typename Iter>
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class cmRange;
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/** \class cmCoreTryCompile
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* \brief Base class for cmTryCompileCommand and cmTryRunCommand
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*
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* cmCoreTryCompile implements the functionality to build a program.
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* It is the base class for cmTryCompileCommand and cmTryRunCommand.
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*/
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class cmCoreTryCompile
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{
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public:
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cmCoreTryCompile(cmMakefile* mf)
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: Makefile(mf)
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{
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}
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struct Arguments : public ArgumentParser::ParseResult
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{
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cm::optional<std::string> CompileResultVariable;
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cm::optional<std::string> BinaryDirectory;
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cm::optional<std::string> SourceDirectoryOrFile;
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cm::optional<std::string> ProjectName;
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cm::optional<std::string> TargetName;
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cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>> Sources;
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cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>>
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SourceFromContent;
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cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>>
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SourceFromVar;
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cm::optional<ArgumentParser::NonEmpty<std::vector<std::string>>>
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SourceFromFile;
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ArgumentParser::MaybeEmpty<std::vector<std::string>> CMakeFlags{
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1, "CMAKE_FLAGS"
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}; // fake argv[0]
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std::vector<std::string> CompileDefs;
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cm::optional<ArgumentParser::MaybeEmpty<std::vector<std::string>>>
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LinkLibraries;
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ArgumentParser::MaybeEmpty<std::vector<std::string>> LinkOptions;
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std::map<std::string, std::string> LangProps;
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std::string CMakeInternal;
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cm::optional<std::string> OutputVariable;
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cm::optional<std::string> CopyFileTo;
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cm::optional<std::string> CopyFileError;
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bool NoCache = false;
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// Argument for try_run only.
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// Keep in sync with warnings in cmCoreTryCompile::ParseArgs.
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cm::optional<std::string> CompileOutputVariable;
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cm::optional<std::string> RunOutputVariable;
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cm::optional<std::string> RunOutputStdOutVariable;
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cm::optional<std::string> RunOutputStdErrVariable;
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cm::optional<std::string> RunWorkingDirectory;
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cm::optional<ArgumentParser::MaybeEmpty<std::vector<std::string>>> RunArgs;
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};
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Arguments ParseArgs(cmRange<std::vector<std::string>::const_iterator> args,
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bool isTryRun);
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/**
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* This is the core code for try compile. It is here so that other commands,
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* such as TryRun can access the same logic without duplication.
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*
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* This function requires at least two \p arguments and will crash if given
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* fewer.
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*/
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bool TryCompileCode(Arguments& arguments,
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cmStateEnums::TargetType targetType);
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/**
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* Returns \c true if \p path resides within a CMake temporary directory,
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* otherwise returns \c false.
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*/
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static bool IsTemporary(std::string const& path);
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/**
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* This deletes all the files created by TryCompileCode.
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* This way we do not have to rely on the timing and
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* dependencies of makefiles.
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*/
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void CleanupFiles(std::string const& binDir);
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/**
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* This tries to find the (executable) file created by
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TryCompileCode. The result is stored in OutputFile. If nothing is found,
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the error message is stored in FindErrorMessage.
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*/
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void FindOutputFile(const std::string& targetName);
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std::string BinaryDirectory;
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std::string OutputFile;
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std::string FindErrorMessage;
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bool SrcFileSignature = false;
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cmMakefile* Makefile;
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private:
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std::string WriteSource(std::string const& name, std::string const& content,
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char const* command) const;
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Arguments ParseArgs(
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const cmRange<std::vector<std::string>::const_iterator>& args,
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const cmArgumentParser<Arguments>& parser,
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std::vector<std::string>& unparsedArguments);
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};
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