469 lines
17 KiB
C++
469 lines
17 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2011 Peter Collingbourne <peter@pcc.me.uk>
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Copyright 2011 Nicolas Despres <nicolas.despres@gmail.com>
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmNinjaNormalTargetGenerator.h"
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#include "cmLocalNinjaGenerator.h"
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#include "cmGlobalNinjaGenerator.h"
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#include "cmSourceFile.h"
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#include "cmGeneratedFileStream.h"
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#include "cmMakefile.h"
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#include <assert.h>
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cmNinjaNormalTargetGenerator::
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cmNinjaNormalTargetGenerator(cmTarget* target)
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: cmNinjaTargetGenerator(target)
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, TargetNameOut()
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, TargetNameSO()
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, TargetNameReal()
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, TargetNameImport()
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, TargetNamePDB()
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, TargetLinkLanguage(target->GetLinkerLanguage(this->GetConfigName()))
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{
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if (target->GetType() == cmTarget::EXECUTABLE)
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target->GetExecutableNames(this->TargetNameOut,
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this->TargetNameReal,
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this->TargetNameImport,
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this->TargetNamePDB,
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GetLocalGenerator()->GetConfigName());
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else
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target->GetLibraryNames(this->TargetNameOut,
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this->TargetNameSO,
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this->TargetNameReal,
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this->TargetNameImport,
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this->TargetNamePDB,
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GetLocalGenerator()->GetConfigName());
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// on Windows the output dir is already needed at compile time
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// ensure the directory exists (OutDir test)
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std::string outpath = target->GetDirectory(this->GetConfigName());
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cmSystemTools::MakeDirectory(outpath.c_str());
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}
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cmNinjaNormalTargetGenerator::~cmNinjaNormalTargetGenerator()
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{
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}
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void cmNinjaNormalTargetGenerator::Generate()
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{
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if (!this->TargetLinkLanguage) {
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cmSystemTools::Error("CMake can not determine linker language for target:",
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this->GetTarget()->GetName());
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return;
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}
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// Write the rules for each language.
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this->WriteLanguagesRules();
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// Write the build statements
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this->WriteObjectBuildStatements();
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this->WriteLinkRule();
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this->WriteLinkStatement();
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this->GetBuildFileStream() << "\n";
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this->GetRulesFileStream() << "\n";
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}
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void cmNinjaNormalTargetGenerator::WriteLanguagesRules()
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{
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cmGlobalNinjaGenerator::WriteDivider(this->GetRulesFileStream());
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this->GetRulesFileStream()
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<< "# Rules for each languages for "
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<< cmTarget::GetTargetTypeName(this->GetTarget()->GetType())
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<< " target "
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<< this->GetTargetName()
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<< "\n\n";
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std::set<cmStdString> languages;
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this->GetTarget()->GetLanguages(languages);
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for(std::set<cmStdString>::const_iterator l = languages.begin();
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l != languages.end();
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++l)
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this->WriteLanguageRules(*l);
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}
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const char *cmNinjaNormalTargetGenerator::GetVisibleTypeName() const
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{
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switch (this->GetTarget()->GetType()) {
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case cmTarget::STATIC_LIBRARY:
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return "static library";
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case cmTarget::SHARED_LIBRARY:
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return "shared library";
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case cmTarget::MODULE_LIBRARY:
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return "shared module";
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case cmTarget::EXECUTABLE:
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return "executable";
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default:
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return 0;
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}
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}
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std::string
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cmNinjaNormalTargetGenerator
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::LanguageLinkerRule() const
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{
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return std::string(this->TargetLinkLanguage)
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+ "_"
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+ cmTarget::GetTargetTypeName(this->GetTarget()->GetType())
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+ "_LINKER";
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}
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void
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cmNinjaNormalTargetGenerator
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::WriteLinkRule()
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{
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cmTarget::TargetType targetType = this->GetTarget()->GetType();
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std::string ruleName = this->LanguageLinkerRule();
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if (!this->GetGlobalGenerator()->HasRule(ruleName)) {
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cmLocalGenerator::RuleVariables vars;
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vars.RuleLauncher = "RULE_LAUNCH_LINK";
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vars.CMTarget = this->GetTarget();
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vars.Language = this->TargetLinkLanguage;
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vars.Objects = "$in";
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std::string objdir = cmake::GetCMakeFilesDirectoryPostSlash();
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objdir += this->GetTargetName();
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objdir += ".dir";
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objdir = this->GetLocalGenerator()->Convert(objdir.c_str(),
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cmLocalGenerator::START_OUTPUT,
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cmLocalGenerator::SHELL);
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vars.ObjectDir = objdir.c_str();
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vars.Target = "$out";
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vars.TargetSOName = "$SONAME";
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vars.TargetInstallNameDir = "$INSTALLNAME_DIR";
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vars.TargetPDB = "$TARGET_PDB";
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// Setup the target version.
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std::string targetVersionMajor;
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std::string targetVersionMinor;
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{
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cmOStringStream majorStream;
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cmOStringStream minorStream;
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int major;
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int minor;
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this->GetTarget()->GetTargetVersion(major, minor);
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majorStream << major;
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minorStream << minor;
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targetVersionMajor = majorStream.str();
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targetVersionMinor = minorStream.str();
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}
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vars.TargetVersionMajor = targetVersionMajor.c_str();
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vars.TargetVersionMinor = targetVersionMinor.c_str();
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vars.LinkLibraries = "$LINK_LIBRARIES";
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vars.Flags = "$FLAGS";
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vars.LinkFlags = "$LINK_FLAGS";
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std::string langFlags;
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this->GetLocalGenerator()->AddLanguageFlags(langFlags,
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this->TargetLinkLanguage,
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this->GetConfigName());
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if (targetType != cmTarget::EXECUTABLE)
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langFlags += " $ARCH_FLAGS";
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vars.LanguageCompileFlags = langFlags.c_str();
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// Rule for linking library.
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std::vector<std::string> linkCmds = this->ComputeLinkCmd();
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for(std::vector<std::string>::iterator i = linkCmds.begin();
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i != linkCmds.end();
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++i)
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{
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this->GetLocalGenerator()->ExpandRuleVariables(*i, vars);
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}
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linkCmds.insert(linkCmds.begin(), "$PRE_LINK");
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linkCmds.push_back("$POST_BUILD");
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std::string linkCmd =
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this->GetLocalGenerator()->BuildCommandLine(linkCmds);
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// Write the linker rule.
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std::ostringstream comment;
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comment << "Rule for linking " << this->TargetLinkLanguage << " "
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<< this->GetVisibleTypeName() << ".";
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std::ostringstream description;
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description << "Linking " << this->TargetLinkLanguage << " "
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<< this->GetVisibleTypeName() << " $out";
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this->GetGlobalGenerator()->AddRule(ruleName,
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linkCmd,
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description.str(),
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comment.str());
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}
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if (this->TargetNameOut != this->TargetNameReal) {
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std::string cmakeCommand =
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this->GetLocalGenerator()->ConvertToOutputFormat(
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this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND"),
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cmLocalGenerator::SHELL);
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if (targetType == cmTarget::EXECUTABLE)
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this->GetGlobalGenerator()->AddRule("CMAKE_SYMLINK_EXECUTABLE",
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cmakeCommand +
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" -E cmake_symlink_executable"
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" $in $out && $POST_BUILD",
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"Creating executable symlink $out",
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"Rule for creating executable symlink.");
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else
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this->GetGlobalGenerator()->AddRule("CMAKE_SYMLINK_LIBRARY",
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cmakeCommand +
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" -E cmake_symlink_library"
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" $in $SONAME $out && $POST_BUILD",
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"Creating library symlink $out",
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"Rule for creating library symlink.");
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}
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}
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std::vector<std::string>
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cmNinjaNormalTargetGenerator
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::ComputeLinkCmd()
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{
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std::vector<std::string> linkCmds;
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cmTarget::TargetType targetType = this->GetTarget()->GetType();
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switch (targetType) {
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case cmTarget::STATIC_LIBRARY: {
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// Check if you have a non archive way to create the static library.
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{
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std::string linkCmdVar = "CMAKE_";
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linkCmdVar += this->TargetLinkLanguage;
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linkCmdVar += "_CREATE_STATIC_LIBRARY";
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if (const char *linkCmd =
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this->GetMakefile()->GetDefinition(linkCmdVar.c_str()))
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{
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cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
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return linkCmds;
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}
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}
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// We have archive link commands set. First, delete the existing archive.
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std::string cmakeCommand =
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this->GetLocalGenerator()->ConvertToOutputFormat(
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this->GetMakefile()->GetRequiredDefinition("CMAKE_COMMAND"),
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cmLocalGenerator::SHELL);
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linkCmds.push_back(cmakeCommand + " -E remove $out");
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// TODO: Use ARCHIVE_APPEND for archives over a certain size.
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{
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std::string linkCmdVar = "CMAKE_";
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linkCmdVar += this->TargetLinkLanguage;
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linkCmdVar += "_ARCHIVE_CREATE";
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const char *linkCmd =
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this->GetMakefile()->GetRequiredDefinition(linkCmdVar.c_str());
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cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
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}
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{
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std::string linkCmdVar = "CMAKE_";
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linkCmdVar += this->TargetLinkLanguage;
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linkCmdVar += "_ARCHIVE_FINISH";
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const char *linkCmd =
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this->GetMakefile()->GetRequiredDefinition(linkCmdVar.c_str());
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cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
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}
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return linkCmds;
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}
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case cmTarget::SHARED_LIBRARY:
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case cmTarget::MODULE_LIBRARY:
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case cmTarget::EXECUTABLE: {
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std::string linkCmdVar = "CMAKE_";
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linkCmdVar += this->TargetLinkLanguage;
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switch (targetType) {
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case cmTarget::SHARED_LIBRARY:
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linkCmdVar += "_CREATE_SHARED_LIBRARY";
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break;
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case cmTarget::MODULE_LIBRARY:
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linkCmdVar += "_CREATE_SHARED_MODULE";
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break;
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case cmTarget::EXECUTABLE:
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linkCmdVar += "_LINK_EXECUTABLE";
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break;
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default:
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assert(0 && "Unexpected target type");
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}
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const char *linkCmd =
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this->GetMakefile()->GetRequiredDefinition(linkCmdVar.c_str());
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cmSystemTools::ExpandListArgument(linkCmd, linkCmds);
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return linkCmds;
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}
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default:
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assert(0 && "Unexpected target type");
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}
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return std::vector<std::string>();
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}
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void cmNinjaNormalTargetGenerator::WriteLinkStatement()
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{
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cmTarget::TargetType targetType = this->GetTarget()->GetType();
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// Write comments.
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cmGlobalNinjaGenerator::WriteDivider(this->GetBuildFileStream());
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this->GetBuildFileStream()
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<< "# Link build statements for "
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<< cmTarget::GetTargetTypeName(targetType)
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<< " target "
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<< this->GetTargetName()
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<< "\n\n";
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cmNinjaDeps emptyDeps;
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cmNinjaVars vars;
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std::string targetOutput = ConvertToNinjaPath(
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this->GetTarget()->GetFullPath(this->GetConfigName()).c_str());
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std::string targetOutputReal = ConvertToNinjaPath(
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this->GetTarget()->GetFullPath(this->GetConfigName(),
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/*implib=*/false,
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/*realpath=*/true).c_str());
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std::string targetOutputImplib = ConvertToNinjaPath(
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this->GetTarget()->GetFullPath(this->GetConfigName(),
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/*implib=*/true).c_str());
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// Compute the comment.
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std::ostringstream comment;
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comment << "Link the " << this->GetVisibleTypeName() << " "
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<< targetOutputReal;
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// Compute outputs.
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cmNinjaDeps outputs;
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outputs.push_back(targetOutputReal);
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// Compute specific libraries to link with.
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cmNinjaDeps explicitDeps = this->GetObjects(),
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implicitDeps = this->ComputeLinkDeps();
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this->GetLocalGenerator()->GetTargetFlags(vars["LINK_LIBRARIES"],
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vars["FLAGS"],
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vars["LINK_FLAGS"],
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*this->GetTarget());
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this->AddModuleDefinitionFlag(vars["LINK_FLAGS"]);
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// Compute architecture specific link flags. Yes, these go into a different
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// variable for executables, probably due to a mistake made when duplicating
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// code between the Makefile executable and library generators.
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this->GetLocalGenerator()
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->AddArchitectureFlags(targetType == cmTarget::EXECUTABLE
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? vars["FLAGS"]
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: vars["ARCH_FLAGS"],
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this->GetTarget(),
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this->TargetLinkLanguage,
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this->GetConfigName());
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vars["SONAME"] = this->TargetNameSO;
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if (targetType == cmTarget::SHARED_LIBRARY) {
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std::string install_name_dir =
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this->GetTarget()->GetInstallNameDirForBuildTree(this->GetConfigName());
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if (!install_name_dir.empty()) {
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vars["INSTALLNAME_DIR"] =
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this->GetLocalGenerator()->Convert(install_name_dir.c_str(),
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cmLocalGenerator::NONE,
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cmLocalGenerator::SHELL, false);
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}
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}
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if (!this->TargetNameImport.empty()) {
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vars["TARGET_IMPLIB"] = this->GetLocalGenerator()->ConvertToOutputFormat(
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targetOutputImplib.c_str(), cmLocalGenerator::SHELL);
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}
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vars["TARGET_PDB"] = this->GetTargetPDB();
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std::vector<cmCustomCommand> *cmdLists[3] = {
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&this->GetTarget()->GetPreBuildCommands(),
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&this->GetTarget()->GetPreLinkCommands(),
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&this->GetTarget()->GetPostBuildCommands()
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};
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std::vector<std::string> preLinkCmdLines, postBuildCmdLines;
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std::vector<std::string> *cmdLineLists[3] = {
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&preLinkCmdLines,
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&preLinkCmdLines,
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&postBuildCmdLines
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};
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for (unsigned i = 0; i != 3; ++i) {
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for (std::vector<cmCustomCommand>::const_iterator
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ci = cmdLists[i]->begin();
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ci != cmdLists[i]->end(); ++ci) {
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this->GetLocalGenerator()->AppendCustomCommandLines(&*ci,
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*cmdLineLists[i]);
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}
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}
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// If we have any PRE_LINK commands, we need to go back to HOME_OUTPUT for
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// the link commands.
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if (!preLinkCmdLines.empty()) {
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std::string path = this->GetLocalGenerator()->ConvertToOutputFormat(
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this->GetMakefile()->GetHomeOutputDirectory(),
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cmLocalGenerator::SHELL);
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preLinkCmdLines.push_back("cd " + path);
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}
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vars["PRE_LINK"] =
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this->GetLocalGenerator()->BuildCommandLine(preLinkCmdLines);
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std::string postBuildCmdLine =
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this->GetLocalGenerator()->BuildCommandLine(postBuildCmdLines);
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cmNinjaVars symlinkVars;
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if (targetOutput == targetOutputReal) {
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vars["POST_BUILD"] = postBuildCmdLine;
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} else {
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vars["POST_BUILD"] = ":";
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symlinkVars["POST_BUILD"] = postBuildCmdLine;
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}
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// Write the build statement for this target.
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cmGlobalNinjaGenerator::WriteBuild(this->GetBuildFileStream(),
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comment.str(),
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this->LanguageLinkerRule(),
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outputs,
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explicitDeps,
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implicitDeps,
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emptyDeps,
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vars);
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if (targetOutput != targetOutputReal) {
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if (targetType == cmTarget::EXECUTABLE) {
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cmGlobalNinjaGenerator::WriteBuild(this->GetBuildFileStream(),
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"Create executable symlink " + targetOutput,
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"CMAKE_SYMLINK_EXECUTABLE",
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cmNinjaDeps(1, targetOutput),
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cmNinjaDeps(1, targetOutputReal),
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emptyDeps,
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emptyDeps,
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symlinkVars);
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} else {
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symlinkVars["SONAME"] = this->GetTargetFilePath(this->TargetNameSO);
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cmGlobalNinjaGenerator::WriteBuild(this->GetBuildFileStream(),
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"Create library symlink " + targetOutput,
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"CMAKE_SYMLINK_LIBRARY",
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cmNinjaDeps(1, targetOutput),
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cmNinjaDeps(1, targetOutputReal),
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emptyDeps,
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emptyDeps,
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symlinkVars);
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}
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}
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if (!this->TargetNameImport.empty()) {
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// Since using multiple outputs would mess up the $out variable, use an
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// alias for the import library.
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cmGlobalNinjaGenerator::WritePhonyBuild(this->GetBuildFileStream(),
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"Alias for import library.",
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cmNinjaDeps(1, targetOutputImplib),
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cmNinjaDeps(1, targetOutputReal));
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}
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// Add aliases for the file name and the target name.
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this->GetGlobalGenerator()->AddTargetAlias(this->TargetNameOut,
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this->GetTarget());
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this->GetGlobalGenerator()->AddTargetAlias(this->GetTargetName(),
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this->GetTarget());
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}
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