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89 lines
2.9 KiB
89 lines
2.9 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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#include "cmTargetPrecompileHeadersCommand.h"
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#include <utility>
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#include "cmGeneratorExpression.h"
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#include "cmListFileCache.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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#include "cmTarget.h"
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#include "cmTargetPropCommandBase.h"
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namespace {
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std::vector<std::string> ConvertToAbsoluteContent(
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const std::vector<std::string>& content, std::string const& baseDir)
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{
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std::vector<std::string> absoluteContent;
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absoluteContent.reserve(content.size());
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for (std::string const& src : content) {
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std::string absoluteSrc;
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// Use '<foo.h>' and '"foo.h"' includes and absolute paths as-is.
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// Interpret relative paths with respect to the source directory.
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// If the path starts in a generator expression, assume it is absolute.
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if (cmHasLiteralPrefix(src, "<") || cmHasLiteralPrefix(src, "\"") ||
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cmSystemTools::FileIsFullPath(src) ||
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cmGeneratorExpression::Find(src) == 0) {
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absoluteSrc = src;
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} else {
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absoluteSrc = cmStrCat(baseDir, '/', src);
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}
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absoluteContent.emplace_back(std::move(absoluteSrc));
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}
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return absoluteContent;
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}
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class TargetPrecompileHeadersImpl : public cmTargetPropCommandBase
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{
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public:
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using cmTargetPropCommandBase::cmTargetPropCommandBase;
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private:
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bool HandleDirectContent(cmTarget* tgt,
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const std::vector<std::string>& content,
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bool /*prepend*/, bool /*system*/) override
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{
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std::string const& base = this->Makefile->GetCurrentSourceDirectory();
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tgt->AppendProperty("PRECOMPILE_HEADERS",
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this->Join(ConvertToAbsoluteContent(content, base)),
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this->Makefile->GetBacktrace());
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return true;
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}
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void HandleInterfaceContent(cmTarget* tgt,
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const std::vector<std::string>& content,
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bool prepend, bool system) override
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{
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std::string const& base = this->Makefile->GetCurrentSourceDirectory();
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this->cmTargetPropCommandBase::HandleInterfaceContent(
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tgt, ConvertToAbsoluteContent(content, base), prepend, system);
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}
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void HandleMissingTarget(const std::string& name) override
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{
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this->Makefile->IssueMessage(
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MessageType::FATAL_ERROR,
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cmStrCat("Cannot specify precompile headers for target \"", name,
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"\" which is not built by this project."));
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}
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std::string Join(const std::vector<std::string>& content) override
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{
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return cmJoin(content, ";");
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}
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};
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} // namespace
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bool cmTargetPrecompileHeadersCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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return TargetPrecompileHeadersImpl(status).HandleArguments(
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args, "PRECOMPILE_HEADERS",
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TargetPrecompileHeadersImpl::PROCESS_REUSE_FROM);
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}
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