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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
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#include "cmGlobalGenerator.h"
#include "cmLocalVisualStudio6Generator.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
#include "cmSourceFile.h"
#include "cmGeneratorTarget.h"
#include "cmCustomCommandGenerator.h"
#include "cmake.h"
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#include "cmComputeLinkInformation.h"
#include <cmsys/RegularExpression.hxx>
#include <cmsys/FStream.hxx>
cmLocalVisualStudio6Generator
::cmLocalVisualStudio6Generator(cmGlobalGenerator* gg,
cmLocalGenerator* parent,
cmState::Snapshot snapshot):
cmLocalVisualStudioGenerator(gg, parent, snapshot)
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{
}
cmLocalVisualStudio6Generator::~cmLocalVisualStudio6Generator()
{
}
//----------------------------------------------------------------------------
// Helper class to write build events.
class cmLocalVisualStudio6Generator::EventWriter
{
public:
EventWriter(cmLocalVisualStudio6Generator* lg,
const std::string& config, std::string& code):
LG(lg), Config(config), Code(code), First(true) {}
void Start(const char* event)
{
this->First = true;
this->Event = event;
}
void Finish()
{
this->Code += (this->First? "" : "\n");
}
void Write(std::vector<cmCustomCommand> const& ccs)
{
for(std::vector<cmCustomCommand>::const_iterator ci = ccs.begin();
ci != ccs.end(); ++ci)
{
this->Write(*ci);
}
}
void Write(cmCustomCommand const& cc)
{
cmCustomCommandGenerator ccg(cc, this->Config, this->LG->GetMakefile());
if(this->First)
{
this->Code += this->Event + "_Cmds=";
this->First = false;
}
else
{
this->Code += "\\\n\t";
}
this->Code += this->LG->ConstructScript(ccg, "\\\n\t");
}
private:
cmLocalVisualStudio6Generator* LG;
std::string Config;
std::string& Code;
bool First;
std::string Event;
};
void cmLocalVisualStudio6Generator::AddHelperCommands()
{
std::set<std::string> lang;
lang.insert("C");
lang.insert("CXX");
this->CreateCustomTargetsAndCommands(lang);
}
void cmLocalVisualStudio6Generator::AddCMakeListsRules()
{
cmTargets &tgts = this->Makefile->GetTargets();
for(cmTargets::iterator l = tgts.begin();
l != tgts.end(); l++)
{
if (l->second.GetType() == cmTarget::INTERFACE_LIBRARY)
{
continue;
}
// Add a rule to regenerate the build system when the target
// specification source changes.
const char* suppRegenRule =
this->Makefile->GetDefinition("CMAKE_SUPPRESS_REGENERATION");
if (!cmSystemTools::IsOn(suppRegenRule))
{
this->AddDSPBuildRule(l->second);
}
}
}
void cmLocalVisualStudio6Generator::Generate()
{
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this->OutputDSPFile();
}
void cmLocalVisualStudio6Generator::OutputDSPFile()
{
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// If not an in source build, then create the output directory
if(strcmp(this->Makefile->GetCurrentBinaryDirectory(),
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this->Makefile->GetHomeDirectory()) != 0)
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{
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if(!cmSystemTools::MakeDirectory
(this->Makefile->GetCurrentBinaryDirectory()))
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{
cmSystemTools::Error("Error creating directory ",
this->Makefile->GetCurrentBinaryDirectory());
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}
}
// Create the DSP or set of DSP's for libraries and executables
cmTargets &tgts = this->Makefile->GetTargets();
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// build any targets
for(cmTargets::iterator l = tgts.begin();
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l != tgts.end(); l++)
{
switch(l->second.GetType())
{
case cmTarget::STATIC_LIBRARY:
case cmTarget::OBJECT_LIBRARY:
this->SetBuildType(STATIC_LIBRARY, l->first.c_str(), l->second);
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break;
case cmTarget::SHARED_LIBRARY:
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case cmTarget::MODULE_LIBRARY:
this->SetBuildType(DLL, l->first.c_str(), l->second);
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break;
case cmTarget::EXECUTABLE:
this->SetBuildType(EXECUTABLE,l->first.c_str(), l->second);
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break;
case cmTarget::UTILITY:
case cmTarget::GLOBAL_TARGET:
this->SetBuildType(UTILITY, l->first.c_str(), l->second);
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break;
case cmTarget::INTERFACE_LIBRARY:
continue;
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default:
cmSystemTools::Error("Bad target type: ", l->first.c_str());
break;
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}
// INCLUDE_EXTERNAL_MSPROJECT command only affects the workspace
// so don't build a projectfile for it
const char* path =
l->second.GetProperty("EXTERNAL_MSPROJECT");
if(!path)
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{
// check to see if the dsp is going into a sub-directory
std::string::size_type pos = l->first.rfind('/');
if(pos != std::string::npos)
{
std::string dir = this->Makefile->GetCurrentBinaryDirectory();
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dir += "/";
dir += l->first.substr(0, pos);
if(!cmSystemTools::MakeDirectory(dir.c_str()))
{
cmSystemTools::Error("Error creating directory: ", dir.c_str());
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}
}
this->CreateSingleDSP(l->first.c_str(),l->second);
}
}
}
// Utility function to make a valid VS6 *.dsp filename out
// of a CMake target name:
//
extern std::string GetVS6TargetName(const std::string& targetName);
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void cmLocalVisualStudio6Generator::CreateSingleDSP(const std::string& lname,
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cmTarget &target)
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{
// add to the list of projects
std::string pname = GetVS6TargetName(lname);
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// create the dsp.cmake file
std::string fname;
fname = this->Makefile->GetCurrentBinaryDirectory();
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fname += "/";
fname += pname;
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fname += ".dsp";
// save the name of the real dsp file
std::string realDSP = fname;
fname += ".cmake";
cmsys::ofstream fout(fname.c_str());
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if(!fout)
{
cmSystemTools::Error("Error Writing ", fname.c_str());
cmSystemTools::ReportLastSystemError("");
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}
this->WriteDSPFile(fout,pname.c_str(),target);
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fout.close();
// if the dsp file has changed, then write it.
cmSystemTools::CopyFileIfDifferent(fname.c_str(), realDSP.c_str());
}
void cmLocalVisualStudio6Generator::AddDSPBuildRule(cmTarget& tgt)
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{
std::string dspname = GetVS6TargetName(tgt.GetName());
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dspname += ".dsp.cmake";
cmCustomCommandLine commandLine;
commandLine.push_back(cmSystemTools::GetCMakeCommand());
std::string makefileIn = this->Makefile->GetCurrentSourceDirectory();
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makefileIn += "/";
makefileIn += "CMakeLists.txt";
if(!cmSystemTools::FileExists(makefileIn.c_str()))
{
return;
}
std::string comment = "Building Custom Rule ";
comment += makefileIn;
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std::string args;
args = "-H";
args += this->Makefile->GetHomeDirectory();
commandLine.push_back(args);
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args = "-B";
args += this->Makefile->GetHomeOutputDirectory();
commandLine.push_back(args);
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std::vector<std::string> const& listFiles = this->Makefile->GetListFiles();
cmCustomCommandLines commandLines;
commandLines.push_back(commandLine);
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const char* no_working_directory = 0;
this->Makefile->AddCustomCommandToOutput(dspname.c_str(), listFiles,
makefileIn.c_str(), commandLines,
comment.c_str(),
no_working_directory, true);
if(this->Makefile->GetSource(makefileIn.c_str()))
{
tgt.AddSource(makefileIn);
}
else
{
cmSystemTools::Error("Error adding rule for ", makefileIn.c_str());
}
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}
void cmLocalVisualStudio6Generator::WriteDSPFile(std::ostream& fout,
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const std::string& libName,
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cmTarget &target)
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{
// For utility targets need custom command since pre- and post-
// build does not do anything in Visual Studio 6. In order for the
// rules to run in the correct order as custom commands, we need
// special care for dependencies. The first rule must depend on all
// the dependencies of all the rules. The later rules must each
// depend only on the previous rule.
if ((target.GetType() == cmTarget::UTILITY ||
target.GetType() == cmTarget::GLOBAL_TARGET) &&
(!target.GetPreBuildCommands().empty() ||
!target.GetPostBuildCommands().empty()))
{
// Accumulate the dependencies of all the commands.
std::vector<std::string> depends;
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPreBuildCommands().begin();
cr != target.GetPreBuildCommands().end(); ++cr)
{
depends.insert(depends.end(),
cr->GetDepends().begin(), cr->GetDepends().end());
}
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPostBuildCommands().begin();
cr != target.GetPostBuildCommands().end(); ++cr)
{
depends.insert(depends.end(),
cr->GetDepends().begin(), cr->GetDepends().end());
}
// Add the pre- and post-build commands in order.
int count = 1;
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPreBuildCommands().begin();
cr != target.GetPreBuildCommands().end(); ++cr)
{
this->AddUtilityCommandHack(target, count++, depends, *cr);
}
for (std::vector<cmCustomCommand>::const_iterator cr =
target.GetPostBuildCommands().begin();
cr != target.GetPostBuildCommands().end(); ++cr)
{
this->AddUtilityCommandHack(target, count++, depends, *cr);
}
}
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// We may be modifying the source groups temporarily, so make a copy.
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std::vector<cmSourceGroup> sourceGroups = this->Makefile->GetSourceGroups();
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// get the classes from the source lists then add them to the groups
std::vector<cmSourceFile*> classes;
if (!target.GetConfigCommonSourceFiles(classes))
{
return;
}
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// now all of the source files have been properly assigned to the target
// now stick them into source groups using the reg expressions
for(std::vector<cmSourceFile*>::const_iterator i = classes.begin();
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i != classes.end(); i++)
{
if (!(*i)->GetObjectLibrary().empty())
{
continue;
}
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// Add the file to the list of sources.
std::string source = (*i)->GetFullPath();
cmSourceGroup* sourceGroup =
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this->Makefile->FindSourceGroup(source.c_str(), sourceGroups);
sourceGroup->AssignSource(*i);
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// while we are at it, if it is a .rule file then for visual studio 6 we
// must generate it
if ((*i)->GetPropertyAsBool("__CMAKE_RULE"))
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{
if(!cmSystemTools::FileExists(source.c_str()))
{
cmSystemTools::ReplaceString(source, "$(IntDir)/", "");
// Make sure the path exists for the file
std::string path = cmSystemTools::GetFilenamePath(source);
cmSystemTools::MakeDirectory(path.c_str());
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#if defined(_WIN32) || defined(__CYGWIN__)
cmsys::ofstream sourceFout(source.c_str(),
std::ios::binary | std::ios::out
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| std::ios::trunc);
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#else
cmsys::ofstream sourceFout(source.c_str(),
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std::ios::out | std::ios::trunc);
#endif
if(sourceFout)
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{
sourceFout.write("# generated from CMake",22);
sourceFout.flush();
sourceFout.close();
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}
}
}
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}
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// Write the DSP file's header.
this->WriteDSPHeader(fout, libName, target, sourceGroups);
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// Loop through every source group.
for(std::vector<cmSourceGroup>::const_iterator sg = sourceGroups.begin();
sg != sourceGroups.end(); ++sg)
{
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this->WriteGroup(&(*sg), target, fout, libName);
}
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// Write the DSP file's footer.
this->WriteDSPFooter(fout);
}
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void cmLocalVisualStudio6Generator
::WriteGroup(const cmSourceGroup *sg, cmTarget& target,
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std::ostream &fout, const std::string& libName)
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{
cmGeneratorTarget* gt =
this->GlobalGenerator->GetGeneratorTarget(&target);
const std::vector<const cmSourceFile *> &sourceFiles =
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sg->GetSourceFiles();
// If the group is empty, don't write it at all.
if(sourceFiles.empty() && sg->GetGroupChildren().empty())
{
return;
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}
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// If the group has a name, write the header.
std::string name = sg->GetName();
if(name != "")
{
this->WriteDSPBeginGroup(fout, name.c_str(), "");
}
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// Loop through each source in the source group.
for(std::vector<const cmSourceFile *>::const_iterator sf =
sourceFiles.begin(); sf != sourceFiles.end(); ++sf)
{
if (!(*sf)->GetObjectLibrary().empty())
{
continue;
}
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std::string source = (*sf)->GetFullPath();
const cmCustomCommand *command =
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(*sf)->GetCustomCommand();
std::string compileFlags;
std::vector<std::string> depends;
std::string objectNameDir;
if(gt->HasExplicitObjectName(*sf))
{
objectNameDir = cmSystemTools::GetFilenamePath(gt->GetObjectName(*sf));
}
// Add per-source file flags.
if(const char* cflags = (*sf)->GetProperty("COMPILE_FLAGS"))
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{
compileFlags += cflags;
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}
const std::string& lang = this->GetSourceFileLanguage(*(*sf));
if(lang == "CXX")
{
// force a C++ file type
compileFlags += " /TP ";
}
else if(lang == "C")
{
// force to c file type
compileFlags += " /TC ";
}
// Add per-source and per-configuration preprocessor definitions.
std::map<std::string, std::string> cdmap;
{
std::set<std::string> targetCompileDefinitions;
this->AppendDefines(targetCompileDefinitions,
(*sf)->GetProperty("COMPILE_DEFINITIONS"));
this->JoinDefines(targetCompileDefinitions, compileFlags, lang);
}
if(const char* cdefs = (*sf)->GetProperty("COMPILE_DEFINITIONS_DEBUG"))
{
std::set<std::string> debugCompileDefinitions;
this->AppendDefines(debugCompileDefinitions, cdefs);
this->JoinDefines(debugCompileDefinitions, cdmap["DEBUG"], lang);
}
if(const char* cdefs = (*sf)->GetProperty("COMPILE_DEFINITIONS_RELEASE"))
{
std::set<std::string> releaseCompileDefinitions;
this->AppendDefines(releaseCompileDefinitions, cdefs);
this->JoinDefines(releaseCompileDefinitions, cdmap["RELEASE"], lang);
}
if(const char* cdefs =
(*sf)->GetProperty("COMPILE_DEFINITIONS_MINSIZEREL"))
{
std::set<std::string> minsizerelCompileDefinitions;
this->AppendDefines(minsizerelCompileDefinitions, cdefs);
this->JoinDefines(minsizerelCompileDefinitions, cdmap["MINSIZEREL"],
lang);
}
if(const char* cdefs =
(*sf)->GetProperty("COMPILE_DEFINITIONS_RELWITHDEBINFO"))
{
std::set<std::string> relwithdebinfoCompileDefinitions;
this->AppendDefines(relwithdebinfoCompileDefinitions, cdefs);
this->JoinDefines(relwithdebinfoCompileDefinitions,
cdmap["RELWITHDEBINFO"], lang);
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}
bool excludedFromBuild =
(!lang.empty() && (*sf)->GetPropertyAsBool("HEADER_FILE_ONLY"));
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// Check for extra object-file dependencies.
const char* dependsValue = (*sf)->GetProperty("OBJECT_DEPENDS");
if(dependsValue)
{
cmSystemTools::ExpandListArgument(dependsValue, depends);
}
if (GetVS6TargetName(source) != libName ||
target.GetType() == cmTarget::UTILITY ||
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target.GetType() == cmTarget::GLOBAL_TARGET)
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{
fout << "# Begin Source File\n\n";
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// Tell MS-Dev what the source is. If the compiler knows how to
// build it, then it will.
fout << "SOURCE=" <<
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this->ConvertToOutputFormat(source.c_str(), SHELL) << "\n\n";
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if(!depends.empty())
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{
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// Write out the dependencies for the rule.
fout << "USERDEP__HACK=";
for(std::vector<std::string>::const_iterator d = depends.begin();
d != depends.end(); ++d)
{
fout << "\\\n\t" <<
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this->ConvertToOutputFormat(d->c_str(), SHELL);
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}
fout << "\n";
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}
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if (command)
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{
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const char* flags = compileFlags.size() ? compileFlags.c_str(): 0;
this->WriteCustomRule(fout, source.c_str(), *command, flags);
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}
else if(!compileFlags.empty() || !objectNameDir.empty() ||
excludedFromBuild || !cdmap.empty())
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{
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for(std::vector<std::string>::iterator i
= this->Configurations.begin();
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i != this->Configurations.end(); ++i)
{
// Strip the subdirectory name out of the configuration name.
std::string config = this->GetConfigName(*i);
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if (i == this->Configurations.begin())
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{
fout << "!IF \"$(CFG)\" == " << i->c_str() << std::endl;
}
else
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{
fout << "!ELSEIF \"$(CFG)\" == " << i->c_str() << std::endl;
}
if(excludedFromBuild)
{
fout << "# PROP Exclude_From_Build 1\n";
}
if(!compileFlags.empty())
{
fout << "\n# ADD CPP " << compileFlags << "\n\n";
}
std::map<std::string, std::string>::iterator cdi =
cdmap.find(cmSystemTools::UpperCase(config));
if(cdi != cdmap.end() && !cdi->second.empty())
{
fout << "\n# ADD CPP " << cdi->second << "\n\n";
}
if(!objectNameDir.empty())
{
// Setup an alternate object file directory.
fout << "\n# PROP Intermediate_Dir \""
<< config << "/" << objectNameDir << "\"\n\n";
}
}
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fout << "!ENDIF\n\n";
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}
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fout << "# End Source File\n";
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}
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}
std::vector<cmSourceGroup> const& children = sg->GetGroupChildren();
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for(unsigned int i=0;i<children.size();++i)
{
this->WriteGroup(&children[i], target, fout, libName);
}
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// If the group has a name, write the footer.
if(name != "")
{
this->WriteDSPEndGroup(fout);
}
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}
void
cmLocalVisualStudio6Generator
::AddUtilityCommandHack(cmTarget& target, int count,
std::vector<std::string>& depends,
const cmCustomCommand& origCommand)
{
// Create a fake output that forces the rule to run.
char* output = new char[(strlen(this->Makefile->GetCurrentBinaryDirectory())
+ target.GetName().size() + 30)];
sprintf(output,"%s/%s_force_%i", this->Makefile->GetCurrentBinaryDirectory(),
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target.GetName().c_str(), count);
const char* comment = origCommand.GetComment();
if(!comment && origCommand.GetOutputs().empty())
{
comment = "<hack>";
}
// Add the rule with the given dependencies and commands.
std::string no_main_dependency = "";
if(cmSourceFile* outsf =
this->Makefile->AddCustomCommandToOutput(
output, depends, no_main_dependency,
origCommand.GetCommandLines(), comment,
origCommand.GetWorkingDirectory().c_str()))
{
target.AddSource(outsf->GetFullPath());
}
// Replace the dependencies with the output of this rule so that the
// next rule added will run after this one.
depends.clear();
depends.push_back(output);
// Free the fake output name.
delete [] output;
}
void
cmLocalVisualStudio6Generator
::WriteCustomRule(std::ostream& fout,
const char* source,
const cmCustomCommand& command,
const char* flags)
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{
// Write the rule for each configuration.
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std::vector<std::string>::iterator i;
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for(i = this->Configurations.begin(); i != this->Configurations.end(); ++i)
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{
std::string config = this->GetConfigName(*i);
cmCustomCommandGenerator ccg(command, config, this->Makefile);
std::string comment =
this->ConstructComment(ccg, "Building Custom Rule $(InputPath)");
if(comment == "<hack>")
{
comment = "";
}
std::string script =
this->ConstructScript(ccg, "\\\n\t");
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if (i == this->Configurations.begin())
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{
fout << "!IF \"$(CFG)\" == " << i->c_str() << std::endl;
}
else
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{
fout << "!ELSEIF \"$(CFG)\" == " << i->c_str() << std::endl;
}
if(flags)
{
fout << "\n# ADD CPP " << flags << "\n\n";
}
// Write out the dependencies for the rule.
fout << "USERDEP__HACK=";
for(std::vector<std::string>::const_iterator d =
ccg.GetDepends().begin();
d != ccg.GetDepends().end();
++d)
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{
// Lookup the real name of the dependency in case it is a CMake target.
std::string dep;
if(this->GetRealDependency(d->c_str(), config.c_str(), dep))
{
fout << "\\\n\t" <<
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this->ConvertToOutputFormat(dep.c_str(), SHELL);
}
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}
fout << "\n";
fout << "# PROP Ignore_Default_Tool 1\n";
fout << "# Begin Custom Build -";
if(!comment.empty())
{
fout << " " << comment.c_str();
}
fout << "\n\n";
if(ccg.GetOutputs().empty())
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{
fout << source
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<< "_force : \"$(SOURCE)\" \"$(INTDIR)\" \"$(OUTDIR)\"\n\t";
fout << script.c_str() << "\n\n";
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}
else
{
for(std::vector<std::string>::const_iterator o =
ccg.GetOutputs().begin();
o != ccg.GetOutputs().end();
++o)
{
// Write a rule for every output generated by this command.
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fout << this->ConvertToOutputFormat(o->c_str(), SHELL)
<< " : \"$(SOURCE)\" \"$(INTDIR)\" \"$(OUTDIR)\"\n\t";
fout << script.c_str() << "\n\n";
}
}
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fout << "# End Custom Build\n\n";
}
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fout << "!ENDIF\n\n";
}
void cmLocalVisualStudio6Generator::WriteDSPBeginGroup(std::ostream& fout,
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const char* group,
const char* filter)
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{
fout << "# Begin Group \"" << group << "\"\n"
"# PROP Default_Filter \"" << filter << "\"\n";
}
void cmLocalVisualStudio6Generator::WriteDSPEndGroup(std::ostream& fout)
{
fout << "# End Group\n";
}
void cmLocalVisualStudio6Generator::SetBuildType(BuildType b,
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const std::string& libName,
cmTarget& target)
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{
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std::string root= this->Makefile->GetRequiredDefinition("CMAKE_ROOT");
const char *def=
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this->Makefile->GetDefinition( "MSPROJECT_TEMPLATE_DIRECTORY");
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if( def)
{
root = def;
}
else
{
root += "/Templates";
}
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switch(b)
{
case WIN32_EXECUTABLE:
break;
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case STATIC_LIBRARY:
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this->DSPHeaderTemplate = root;
this->DSPHeaderTemplate += "/staticLibHeader.dsptemplate";
this->DSPFooterTemplate = root;
this->DSPFooterTemplate += "/staticLibFooter.dsptemplate";
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break;
case DLL:
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this->DSPHeaderTemplate = root;
this->DSPHeaderTemplate += "/DLLHeader.dsptemplate";
this->DSPFooterTemplate = root;
this->DSPFooterTemplate += "/DLLFooter.dsptemplate";
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break;
case EXECUTABLE:
if ( target.GetPropertyAsBool("WIN32_EXECUTABLE") )
{
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this->DSPHeaderTemplate = root;
this->DSPHeaderTemplate += "/EXEWinHeader.dsptemplate";
this->DSPFooterTemplate = root;
this->DSPFooterTemplate += "/EXEFooter.dsptemplate";
}
else
{
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this->DSPHeaderTemplate = root;
this->DSPHeaderTemplate += "/EXEHeader.dsptemplate";
this->DSPFooterTemplate = root;
this->DSPFooterTemplate += "/EXEFooter.dsptemplate";
}
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break;
case UTILITY:
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this->DSPHeaderTemplate = root;
this->DSPHeaderTemplate += "/UtilityHeader.dsptemplate";
this->DSPFooterTemplate = root;
this->DSPFooterTemplate += "/UtilityFooter.dsptemplate";
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break;
}
// once the build type is set, determine what configurations are
// possible
cmsys::ifstream fin(this->DSPHeaderTemplate.c_str());
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cmsys::RegularExpression reg("# Name ");
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if(!fin)
{
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cmSystemTools::Error("Error Reading ", this->DSPHeaderTemplate.c_str());
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}
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// reset this->Configurations
this->Configurations.erase(this->Configurations.begin(),
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this->Configurations.end());
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// now add all the configurations possible
std::string vs6name = GetVS6TargetName(libName);
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
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{
cmSystemTools::ReplaceString(line, "OUTPUT_LIBNAME", vs6name.c_str());
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if (reg.find(line))
{
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this->Configurations.push_back(line.substr(reg.end()));
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}
}
}
//----------------------------------------------------------------------------
cmsys::auto_ptr<cmCustomCommand>
cmLocalVisualStudio6Generator::MaybeCreateOutputDir(cmTarget& target,
const std::string& config)
{
cmsys::auto_ptr<cmCustomCommand> pcc;
// VS6 forgets to create the output directory for archives if it
// differs from the intermediate directory.
if(target.GetType() != cmTarget::STATIC_LIBRARY) { return pcc; }
std::string outDir = target.GetDirectory(config, false);
// Add a pre-link event to create the directory.
cmCustomCommandLine command;
command.push_back(cmSystemTools::GetCMakeCommand());
command.push_back("-E");
command.push_back("make_directory");
command.push_back(outDir);
std::vector<std::string> no_output;
Add an option for explicit BYPRODUCTS of custom commands (#14963) A common idiom in CMake-based build systems is to have custom commands that generate files not listed explicitly as outputs so that these files do not have to be newer than the inputs. The file modification times of such "byproducts" are updated only when their content changes. Then other build rules can depend on the byproducts explicitly so that their dependents rebuild when the content of the original byproducts really does change. This "undeclared byproduct" approach is necessary for Makefile, VS, and Xcode build tools because if a byproduct were listed as an output of a rule then the rule would always rerun when the input is newer than the byproduct but the byproduct may never be updated. Ninja solves this problem by offering a 'restat' feature to check whether an output was really modified after running a rule and tracking the fact that it is up to date separately from its timestamp. However, Ninja also stats all dependencies up front and will only restat files that are listed as outputs of rules with the 'restat' option enabled. Therefore an undeclared byproduct that does not exist at the start of the build will be considered missing and the build will fail even if other dependencies would cause the byproduct to be available before its dependents build. CMake works around this limitation by adding 'phony' build rules for custom command dependencies in the build tree that do not have any explicit specification of what produces them. This is not optimal because it prevents Ninja from reporting an error when an input to a rule really is missing. A better approach is to allow projects to explicitly specify the byproducts of their custom commands so that no phony rules are needed for them. In order to work with the non-Ninja generators, the byproducts must be known separately from the outputs. Add a new "BYPRODUCTS" option to the add_custom_command and add_custom_target commands to specify byproducts explicitly. Teach the Ninja generator to specify byproducts as outputs of the custom commands. In the case of POST_BUILD, PRE_LINK, and PRE_BUILD events on targets that link, the byproducts must be specified as outputs of the link rule that runs the commands. Activate 'restat' for such rules so that Ninja knows it needs to check the byproducts, but not for link rules that have no byproducts.
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std::vector<std::string> no_byproducts;
std::vector<std::string> no_depends;
cmCustomCommandLines commands;
commands.push_back(command);
Add an option for explicit BYPRODUCTS of custom commands (#14963) A common idiom in CMake-based build systems is to have custom commands that generate files not listed explicitly as outputs so that these files do not have to be newer than the inputs. The file modification times of such "byproducts" are updated only when their content changes. Then other build rules can depend on the byproducts explicitly so that their dependents rebuild when the content of the original byproducts really does change. This "undeclared byproduct" approach is necessary for Makefile, VS, and Xcode build tools because if a byproduct were listed as an output of a rule then the rule would always rerun when the input is newer than the byproduct but the byproduct may never be updated. Ninja solves this problem by offering a 'restat' feature to check whether an output was really modified after running a rule and tracking the fact that it is up to date separately from its timestamp. However, Ninja also stats all dependencies up front and will only restat files that are listed as outputs of rules with the 'restat' option enabled. Therefore an undeclared byproduct that does not exist at the start of the build will be considered missing and the build will fail even if other dependencies would cause the byproduct to be available before its dependents build. CMake works around this limitation by adding 'phony' build rules for custom command dependencies in the build tree that do not have any explicit specification of what produces them. This is not optimal because it prevents Ninja from reporting an error when an input to a rule really is missing. A better approach is to allow projects to explicitly specify the byproducts of their custom commands so that no phony rules are needed for them. In order to work with the non-Ninja generators, the byproducts must be known separately from the outputs. Add a new "BYPRODUCTS" option to the add_custom_command and add_custom_target commands to specify byproducts explicitly. Teach the Ninja generator to specify byproducts as outputs of the custom commands. In the case of POST_BUILD, PRE_LINK, and PRE_BUILD events on targets that link, the byproducts must be specified as outputs of the link rule that runs the commands. Activate 'restat' for such rules so that Ninja knows it needs to check the byproducts, but not for link rules that have no byproducts.
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pcc.reset(new cmCustomCommand(0, no_output, no_byproducts,
no_depends, commands, 0, 0));
pcc->SetEscapeOldStyle(false);
pcc->SetEscapeAllowMakeVars(true);
return pcc;
}
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// look for custom rules on a target and collect them together
std::string
cmLocalVisualStudio6Generator::CreateTargetRules(cmTarget &target,
const std::string& configName,
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const std::string& /* libName */)
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{
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if (target.GetType() >= cmTarget::UTILITY )
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{
return "";
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}
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std::string customRuleCode = "# Begin Special Build Tool\n";
EventWriter event(this, configName, customRuleCode);
// Write the pre-build and pre-link together (VS6 does not support both).
event.Start("PreLink");
event.Write(target.GetPreBuildCommands());
event.Write(target.GetPreLinkCommands());
cmsys::auto_ptr<cmCustomCommand> pcc(
this->MaybeCreateImplibDir(target, configName, false));
if(pcc.get())
{
event.Write(*pcc);
}
pcc = this->MaybeCreateOutputDir(target, configName);
if(pcc.get())
{
event.Write(*pcc);
}
event.Finish();
// Write the post-build rules.
event.Start("PostBuild");
event.Write(target.GetPostBuildCommands());
event.Finish();
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customRuleCode += "# End Special Build Tool\n";
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return customRuleCode;
}
inline std::string removeQuotes(const std::string& s)
{
if(s[0] == '\"' && s[s.size()-1] == '\"')
{
return s.substr(1, s.size()-2);
}
return s;
}
std::string
cmLocalVisualStudio6Generator::GetTargetIncludeOptions(cmTarget &target,
const std::string& config)
{
std::string includeOptions;
// Setup /I and /LIBPATH options for the resulting DSP file. VS 6
// truncates long include paths so make it as short as possible if
// the length threatens this problem.
unsigned int maxIncludeLength = 3000;
bool useShortPath = false;
cmGeneratorTarget* gt =
this->GlobalGenerator->GetGeneratorTarget(&target);
for(int j=0; j < 2; ++j)
{
std::vector<std::string> includes;
this->GetIncludeDirectories(includes, gt, "C", config);
std::vector<std::string>::iterator i;
for(i = includes.begin(); i != includes.end(); ++i)
{
std::string tmp =
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this->ConvertToOutputFormat(i->c_str(), SHELL);
if(useShortPath)
{
cmSystemTools::GetShortPath(tmp.c_str(), tmp);
}
includeOptions += " /I ";
// quote if not already quoted
if (tmp[0] != '"')
{
includeOptions += "\"";
includeOptions += tmp;
includeOptions += "\"";
}
else
{
includeOptions += tmp;
}
}
if(j == 0 && includeOptions.size() > maxIncludeLength)
{
includeOptions = "";
useShortPath = true;
}
else
{
break;
}
}
return includeOptions;
}
// Code in blocks surrounded by a test for this definition is needed
// only for compatibility with user project's replacement DSP
// templates. The CMake templates no longer use them.
#define CM_USE_OLD_VS6
void cmLocalVisualStudio6Generator
::WriteDSPHeader(std::ostream& fout,
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const std::string& libName, cmTarget &target,
std::vector<cmSourceGroup> &)
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{
bool targetBuilds = (target.GetType() >= cmTarget::EXECUTABLE &&
target.GetType() <= cmTarget::MODULE_LIBRARY);
#ifdef CM_USE_OLD_VS6
// Lookup the library and executable output directories.
std::string libPath;
if(this->Makefile->GetDefinition("LIBRARY_OUTPUT_PATH"))
{
libPath = this->Makefile->GetDefinition("LIBRARY_OUTPUT_PATH");
}
std::string exePath;
if(this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
{
exePath = this->Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH");
}
// Make sure there are trailing slashes.
if(!libPath.empty())
{
if(libPath[libPath.size()-1] != '/')
{
libPath += "/";
}
}
if(!exePath.empty())
{
if(exePath[exePath.size()-1] != '/')
{
exePath += "/";
}
}
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std::set<std::string> pathEmitted;
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// determine the link directories
std::string libOptions;
std::string libDebugOptions;
std::string libOptimizedOptions;
std::string libMultiLineOptions;
std::string libMultiLineOptionsForDebug;
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std::string libMultiLineDebugOptions;
std::string libMultiLineOptimizedOptions;
if(libPath.size())
{
std::string lpath =
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this->ConvertToOutputFormat(libPath.c_str(), SHELL);
if(lpath.size() == 0)
{
lpath = ".";
}
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std::string lpathIntDir = libPath + "$(INTDIR)";
lpathIntDir =
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this->ConvertToOutputFormat(lpathIntDir.c_str(), SHELL);
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if(pathEmitted.insert(lpath).second)
{
libOptions += " /LIBPATH:";
libOptions += lpathIntDir;
libOptions += " ";
libOptions += " /LIBPATH:";
libOptions += lpath;
libOptions += " ";
libMultiLineOptions += "# ADD LINK32 /LIBPATH:";
libMultiLineOptions += lpathIntDir;
libMultiLineOptions += " ";
libMultiLineOptions += " /LIBPATH:";
libMultiLineOptions += lpath;
libMultiLineOptions += " \n";
libMultiLineOptionsForDebug += "# ADD LINK32 /LIBPATH:";
libMultiLineOptionsForDebug += lpathIntDir;
libMultiLineOptionsForDebug += " ";
libMultiLineOptionsForDebug += " /LIBPATH:";
libMultiLineOptionsForDebug += lpath;
libMultiLineOptionsForDebug += " \n";
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}
}
if(exePath.size())
{
std::string lpath =
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this->ConvertToOutputFormat(exePath.c_str(), SHELL);
if(lpath.size() == 0)
{
lpath = ".";
}
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std::string lpathIntDir = exePath + "$(INTDIR)";
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lpathIntDir =
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this->ConvertToOutputFormat(lpathIntDir.c_str(), SHELL);
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if(pathEmitted.insert(lpath).second)
{
libOptions += " /LIBPATH:";
libOptions += lpathIntDir;
libOptions += " ";
libOptions += " /LIBPATH:";
libOptions += lpath;
libOptions += " ";
libMultiLineOptions += "# ADD LINK32 /LIBPATH:";
libMultiLineOptions += lpathIntDir;
libMultiLineOptions += " ";
libMultiLineOptions += " /LIBPATH:";
libMultiLineOptions += lpath;
libMultiLineOptions += " \n";
libMultiLineOptionsForDebug += "# ADD LINK32 /LIBPATH:";
libMultiLineOptionsForDebug += lpathIntDir;
libMultiLineOptionsForDebug += " ";
libMultiLineOptionsForDebug += " /LIBPATH:";
libMultiLineOptionsForDebug += lpath;
libMultiLineOptionsForDebug += " \n";
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}
}
std::vector<std::string>::const_iterator i;
const std::vector<std::string>& libdirs = target.GetLinkDirectories();
for(i = libdirs.begin(); i != libdirs.end(); ++i)
{
std::string path = *i;
if(path[path.size()-1] != '/')
{
path += "/";
}
std::string lpath =
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this->ConvertToOutputFormat(path.c_str(), SHELL);
if(lpath.size() == 0)
{
lpath = ".";
}
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std::string lpathIntDir = path + "$(INTDIR)";
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lpathIntDir =
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this->ConvertToOutputFormat(lpathIntDir.c_str(), SHELL);
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if(pathEmitted.insert(lpath).second)
{
libOptions += " /LIBPATH:";
libOptions += lpathIntDir;
libOptions += " ";
libOptions += " /LIBPATH:";
libOptions += lpath;
libOptions += " ";
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libMultiLineOptions += "# ADD LINK32 /LIBPATH:";
libMultiLineOptions += lpathIntDir;
libMultiLineOptions += " ";
libMultiLineOptions += " /LIBPATH:";
libMultiLineOptions += lpath;
libMultiLineOptions += " \n";
libMultiLineOptionsForDebug += "# ADD LINK32 /LIBPATH:";
libMultiLineOptionsForDebug += lpathIntDir;
libMultiLineOptionsForDebug += " ";
libMultiLineOptionsForDebug += " /LIBPATH:";
libMultiLineOptionsForDebug += lpath;
libMultiLineOptionsForDebug += " \n";
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}
}
// find link libraries
const cmTarget::LinkLibraryVectorType& libs =
target.GetLinkLibrariesForVS6();
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cmTarget::LinkLibraryVectorType::const_iterator j;
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for(j = libs.begin(); j != libs.end(); ++j)
{
// add libraries to executables and dlls (but never include
// a library in a library, bad recursion)
// NEVER LINK STATIC LIBRARIES TO OTHER STATIC LIBRARIES
2002-09-04 23:23:56 +04:00
if ((target.GetType() != cmTarget::SHARED_LIBRARY
&& target.GetType() != cmTarget::STATIC_LIBRARY
&& target.GetType() != cmTarget::MODULE_LIBRARY) ||
(target.GetType()==cmTarget::SHARED_LIBRARY
&& libName != GetVS6TargetName(j->first)) ||
(target.GetType()==cmTarget::MODULE_LIBRARY
&& libName != GetVS6TargetName(j->first)))
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{
// Compute the proper name to use to link this library.
std::string lib;
std::string libDebug;
cmTarget* tgt = this->GlobalGenerator->FindTarget(j->first.c_str());
if(tgt)
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{
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lib = cmSystemTools::GetFilenameWithoutExtension
(tgt->GetFullName().c_str());
libDebug = cmSystemTools::GetFilenameWithoutExtension
(tgt->GetFullName("Debug").c_str());
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lib += ".lib";
libDebug += ".lib";
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}
else
{
lib = j->first.c_str();
libDebug = j->first.c_str();
if(j->first.find(".lib") == std::string::npos)
{
lib += ".lib";
libDebug += ".lib";
}
}
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lib = this->ConvertToOutputFormat(lib.c_str(), SHELL);
libDebug =
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this->ConvertToOutputFormat(libDebug.c_str(), SHELL);
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if (j->second == cmTarget::GENERAL)
{
libOptions += " ";
libOptions += lib;
libMultiLineOptions += "# ADD LINK32 ";
libMultiLineOptions += lib;
libMultiLineOptions += "\n";
libMultiLineOptionsForDebug += "# ADD LINK32 ";
libMultiLineOptionsForDebug += libDebug;
libMultiLineOptionsForDebug += "\n";
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}
if (j->second == cmTarget::DEBUG)
{
libDebugOptions += " ";
libDebugOptions += lib;
libMultiLineDebugOptions += "# ADD LINK32 ";
libMultiLineDebugOptions += libDebug;
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libMultiLineDebugOptions += "\n";
}
if (j->second == cmTarget::OPTIMIZED)
{
libOptimizedOptions += " ";
libOptimizedOptions += lib;
libMultiLineOptimizedOptions += "# ADD LINK32 ";
libMultiLineOptimizedOptions += lib;
libMultiLineOptimizedOptions += "\n";
}
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}
}
#endif
// Get include options for this target.
std::string includeOptionsDebug = this->GetTargetIncludeOptions(target,
"DEBUG");
std::string includeOptionsRelease = this->GetTargetIncludeOptions(target,
"RELEASE");
std::string includeOptionsRelWithDebInfo = this->GetTargetIncludeOptions(
target,
"RELWITHDEBINFO");
std::string includeOptionsMinSizeRel = this->GetTargetIncludeOptions(target,
"MINSIZEREL");
// Get extra linker options for this target type.
std::string extraLinkOptions;
std::string extraLinkOptionsDebug;
std::string extraLinkOptionsRelease;
std::string extraLinkOptionsMinSizeRel;
std::string extraLinkOptionsRelWithDebInfo;
if(target.GetType() == cmTarget::EXECUTABLE)
{
extraLinkOptions = this->Makefile->
GetRequiredDefinition("CMAKE_EXE_LINKER_FLAGS");
extraLinkOptionsDebug = this->Makefile->
GetRequiredDefinition("CMAKE_EXE_LINKER_FLAGS_DEBUG");
extraLinkOptionsRelease = this->Makefile->
GetRequiredDefinition("CMAKE_EXE_LINKER_FLAGS_RELEASE");
extraLinkOptionsMinSizeRel = this->Makefile->
GetRequiredDefinition("CMAKE_EXE_LINKER_FLAGS_MINSIZEREL");
extraLinkOptionsRelWithDebInfo = this->Makefile->
GetRequiredDefinition("CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO");
}
if(target.GetType() == cmTarget::SHARED_LIBRARY)
{
extraLinkOptions = this->Makefile->
GetRequiredDefinition("CMAKE_SHARED_LINKER_FLAGS");
extraLinkOptionsDebug = this->Makefile->
GetRequiredDefinition("CMAKE_SHARED_LINKER_FLAGS_DEBUG");
extraLinkOptionsRelease = this->Makefile->
GetRequiredDefinition("CMAKE_SHARED_LINKER_FLAGS_RELEASE");
extraLinkOptionsMinSizeRel = this->Makefile->
GetRequiredDefinition("CMAKE_SHARED_LINKER_FLAGS_MINSIZEREL");
extraLinkOptionsRelWithDebInfo = this->Makefile->
GetRequiredDefinition("CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO");
}
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if(target.GetType() == cmTarget::MODULE_LIBRARY)
{
extraLinkOptions = this->Makefile->
GetRequiredDefinition("CMAKE_MODULE_LINKER_FLAGS");
extraLinkOptionsDebug = this->Makefile->
GetRequiredDefinition("CMAKE_MODULE_LINKER_FLAGS_DEBUG");
extraLinkOptionsRelease = this->Makefile->
GetRequiredDefinition("CMAKE_MODULE_LINKER_FLAGS_RELEASE");
extraLinkOptionsMinSizeRel = this->Makefile->
GetRequiredDefinition("CMAKE_MODULE_LINKER_FLAGS_MINSIZEREL");
extraLinkOptionsRelWithDebInfo = this->Makefile->
GetRequiredDefinition("CMAKE_MODULE_LINKER_FLAGS_RELWITHDEBINFO");
2003-05-05 18:23:25 +04:00
}
// Get extra linker options for this target.
if(const char* targetLinkFlags = target.GetProperty("LINK_FLAGS"))
{
extraLinkOptions += " ";
extraLinkOptions += targetLinkFlags;
}
if(const char* targetLinkFlags = target.GetProperty("LINK_FLAGS_DEBUG"))
{
extraLinkOptionsDebug += " ";
extraLinkOptionsDebug += targetLinkFlags;
}
if(const char* targetLinkFlags = target.GetProperty("LINK_FLAGS_RELEASE"))
{
extraLinkOptionsRelease += " ";
extraLinkOptionsRelease += targetLinkFlags;
}
if(const char* targetLinkFlags = target.GetProperty("LINK_FLAGS_MINSIZEREL"))
{
extraLinkOptionsMinSizeRel += " ";
extraLinkOptionsMinSizeRel += targetLinkFlags;
}
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if(const char* targetLinkFlags =
target.GetProperty("LINK_FLAGS_RELWITHDEBINFO"))
{
extraLinkOptionsRelWithDebInfo += " ";
extraLinkOptionsRelWithDebInfo += targetLinkFlags;
}
// Get standard libraries for this language.
if(targetBuilds)
{
// Get the language to use for linking.
std::vector<std::string> configs;
target.GetMakefile()->GetConfigurations(configs);
std::vector<std::string>::const_iterator it = configs.begin();
const std::string& linkLanguage = target.GetLinkerLanguage(*it);
for ( ; it != configs.end(); ++it)
{
const std::string& configLinkLanguage = target.GetLinkerLanguage(*it);
if (configLinkLanguage != linkLanguage)
{
cmSystemTools::Error
("Linker language must not vary by configuration for target: ",
target.GetName().c_str());
}
}
if(linkLanguage.empty())
{
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cmSystemTools::Error
("CMake can not determine linker language for target: ",
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target.GetName().c_str());
return;
}
// Compute the variable name to lookup standard libraries for this
// language.
std::string standardLibsVar = "CMAKE_";
standardLibsVar += linkLanguage;
standardLibsVar += "_STANDARD_LIBRARIES";
// Add standard libraries.
if(const char* stdLibs =
this->Makefile->GetDefinition(standardLibsVar.c_str()))
{
extraLinkOptions += " ";
extraLinkOptions += stdLibs;
}
}
// Compute version number information.
std::string targetVersionFlag;
if(target.GetType() == cmTarget::EXECUTABLE ||
target.GetType() == cmTarget::SHARED_LIBRARY ||
target.GetType() == cmTarget::MODULE_LIBRARY)
{
int major;
int minor;
target.GetTargetVersion(major, minor);
std::ostringstream targetVersionStream;
targetVersionStream << "/version:" << major << "." << minor;
targetVersionFlag = targetVersionStream.str();
}
// Compute the real name of the target.
std::string outputName =
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"(OUTPUT_NAME is for libraries and executables only)";
std::string outputNameDebug = outputName;
std::string outputNameRelease = outputName;
std::string outputNameMinSizeRel = outputName;
std::string outputNameRelWithDebInfo = outputName;
if(target.GetType() == cmTarget::EXECUTABLE ||
target.GetType() == cmTarget::STATIC_LIBRARY ||
target.GetType() == cmTarget::SHARED_LIBRARY ||
target.GetType() == cmTarget::MODULE_LIBRARY)
{
outputName = target.GetFullName();
outputNameDebug = target.GetFullName("Debug");
outputNameRelease = target.GetFullName("Release");
outputNameMinSizeRel = target.GetFullName("MinSizeRel");
outputNameRelWithDebInfo = target.GetFullName("RelWithDebInfo");
}
else if(target.GetType() == cmTarget::OBJECT_LIBRARY)
{
outputName = target.GetName();
outputName += ".lib";
outputNameDebug = outputName;
outputNameRelease = outputName;
outputNameMinSizeRel = outputName;
outputNameRelWithDebInfo = outputName;
}
// Compute the output directory for the target.
std::string outputDirOld;
std::string outputDirDebug;
std::string outputDirRelease;
std::string outputDirMinSizeRel;
std::string outputDirRelWithDebInfo;
if(target.GetType() == cmTarget::EXECUTABLE ||
target.GetType() == cmTarget::STATIC_LIBRARY ||
target.GetType() == cmTarget::SHARED_LIBRARY ||
target.GetType() == cmTarget::MODULE_LIBRARY)
{
#ifdef CM_USE_OLD_VS6
outputDirOld =
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removeQuotes(this->ConvertToOutputFormat
(target.GetDirectory().c_str(), SHELL));
#endif
outputDirDebug =
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removeQuotes(this->ConvertToOutputFormat(
target.GetDirectory("Debug").c_str(), SHELL));
outputDirRelease =
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removeQuotes(this->ConvertToOutputFormat(
target.GetDirectory("Release").c_str(), SHELL));
outputDirMinSizeRel =
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removeQuotes(this->ConvertToOutputFormat(
target.GetDirectory("MinSizeRel").c_str(), SHELL));
outputDirRelWithDebInfo =
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removeQuotes(this->ConvertToOutputFormat(
target.GetDirectory("RelWithDebInfo").c_str(), SHELL));
}
else if(target.GetType() == cmTarget::OBJECT_LIBRARY)
{
std::string outputDir = cmake::GetCMakeFilesDirectoryPostSlash();
outputDirDebug = outputDir + "Debug";
outputDirRelease = outputDir + "Release";
outputDirMinSizeRel = outputDir + "MinSizeRel";
outputDirRelWithDebInfo = outputDir + "RelWithDebInfo";
}
// Compute the proper link information for the target.
std::string optionsDebug;
std::string optionsRelease;
std::string optionsMinSizeRel;
std::string optionsRelWithDebInfo;
if(target.GetType() == cmTarget::EXECUTABLE ||
target.GetType() == cmTarget::SHARED_LIBRARY ||
target.GetType() == cmTarget::MODULE_LIBRARY)
{
extraLinkOptionsDebug =
extraLinkOptions + " " + extraLinkOptionsDebug;
extraLinkOptionsRelease =
extraLinkOptions + " " + extraLinkOptionsRelease;
extraLinkOptionsMinSizeRel =
extraLinkOptions + " " + extraLinkOptionsMinSizeRel;
extraLinkOptionsRelWithDebInfo =
extraLinkOptions + " " + extraLinkOptionsRelWithDebInfo;
this->ComputeLinkOptions(target, "Debug", extraLinkOptionsDebug,
optionsDebug);
this->ComputeLinkOptions(target, "Release", extraLinkOptionsRelease,
optionsRelease);
this->ComputeLinkOptions(target, "MinSizeRel", extraLinkOptionsMinSizeRel,
optionsMinSizeRel);
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this->ComputeLinkOptions(target, "RelWithDebInfo",
extraLinkOptionsRelWithDebInfo,
optionsRelWithDebInfo);
}
// Compute the path of the import library.
std::string targetImplibFlagDebug;
std::string targetImplibFlagRelease;
std::string targetImplibFlagMinSizeRel;
std::string targetImplibFlagRelWithDebInfo;
if(target.GetType() == cmTarget::SHARED_LIBRARY ||
target.GetType() == cmTarget::MODULE_LIBRARY ||
target.GetType() == cmTarget::EXECUTABLE)
{
std::string fullPathImpDebug = target.GetDirectory("Debug", true);
std::string fullPathImpRelease = target.GetDirectory("Release", true);
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std::string fullPathImpMinSizeRel =
target.GetDirectory("MinSizeRel", true);
std::string fullPathImpRelWithDebInfo =
target.GetDirectory("RelWithDebInfo", true);
fullPathImpDebug += "/";
fullPathImpRelease += "/";
fullPathImpMinSizeRel += "/";
fullPathImpRelWithDebInfo += "/";
fullPathImpDebug += target.GetFullName("Debug", true);
fullPathImpRelease += target.GetFullName("Release", true);
fullPathImpMinSizeRel += target.GetFullName("MinSizeRel", true);
fullPathImpRelWithDebInfo += target.GetFullName("RelWithDebInfo", true);
targetImplibFlagDebug = "/implib:";
targetImplibFlagRelease = "/implib:";
targetImplibFlagMinSizeRel = "/implib:";
targetImplibFlagRelWithDebInfo = "/implib:";
targetImplibFlagDebug +=
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this->ConvertToOutputFormat(fullPathImpDebug.c_str(), SHELL);
targetImplibFlagRelease +=
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this->ConvertToOutputFormat(fullPathImpRelease.c_str(), SHELL);
targetImplibFlagMinSizeRel +=
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this->ConvertToOutputFormat(fullPathImpMinSizeRel.c_str(), SHELL);
targetImplibFlagRelWithDebInfo +=
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this->ConvertToOutputFormat(fullPathImpRelWithDebInfo.c_str(), SHELL);
}
#ifdef CM_USE_OLD_VS6
// Compute link information for the target.
if(extraLinkOptions.size())
{
libOptions += " ";
libOptions += extraLinkOptions;
libOptions += " ";
libMultiLineOptions += "# ADD LINK32 ";
libMultiLineOptions += extraLinkOptions;
libMultiLineOptions += " \n";
libMultiLineOptionsForDebug += "# ADD LINK32 ";
libMultiLineOptionsForDebug += extraLinkOptions;
libMultiLineOptionsForDebug += " \n";
}
#endif
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// are there any custom rules on the target itself
// only if the target is a lib or exe
std::string customRuleCodeRelease
= this->CreateTargetRules(target, "RELEASE", libName);
std::string customRuleCodeDebug
= this->CreateTargetRules(target, "DEBUG", libName);
std::string customRuleCodeMinSizeRel
= this->CreateTargetRules(target, "MINSIZEREL", libName);
std::string customRuleCodeRelWithDebInfo
= this->CreateTargetRules(target, "RELWITHDEBINFO", libName);
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cmsys::ifstream fin(this->DSPHeaderTemplate.c_str());
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if(!fin)
{
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cmSystemTools::Error("Error Reading ", this->DSPHeaderTemplate.c_str());
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}
std::string staticLibOptions;
std::string staticLibOptionsDebug;
std::string staticLibOptionsRelease;
std::string staticLibOptionsMinSizeRel;
std::string staticLibOptionsRelWithDebInfo;
if(target.GetType() == cmTarget::STATIC_LIBRARY )
{
const char *libflagsGlobal =
this->Makefile->GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS");
this->AppendFlags(staticLibOptions, libflagsGlobal);
this->AppendFlags(staticLibOptionsDebug, libflagsGlobal);
this->AppendFlags(staticLibOptionsRelease, libflagsGlobal);
this->AppendFlags(staticLibOptionsMinSizeRel, libflagsGlobal);
this->AppendFlags(staticLibOptionsRelWithDebInfo, libflagsGlobal);
this->AppendFlags(staticLibOptionsDebug, this->Makefile->
GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS_DEBUG"));
this->AppendFlags(staticLibOptionsRelease, this->Makefile->
GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS_RELEASE"));
this->AppendFlags(staticLibOptionsMinSizeRel, this->Makefile->
GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS_MINSIZEREL"));
this->AppendFlags(staticLibOptionsRelWithDebInfo, this->Makefile->
GetSafeDefinition("CMAKE_STATIC_LINKER_FLAGS_RELWITHDEBINFO"));
const char *libflags = target.GetProperty("STATIC_LIBRARY_FLAGS");
this->AppendFlags(staticLibOptions, libflags);
this->AppendFlags(staticLibOptionsDebug, libflags);
this->AppendFlags(staticLibOptionsRelease, libflags);
this->AppendFlags(staticLibOptionsMinSizeRel, libflags);
this->AppendFlags(staticLibOptionsRelWithDebInfo, libflags);
this->AppendFlags(staticLibOptionsDebug,
target.GetProperty("STATIC_LIBRARY_FLAGS_DEBUG"));
this->AppendFlags(staticLibOptionsRelease,
target.GetProperty("STATIC_LIBRARY_FLAGS_RELEASE"));
this->AppendFlags(staticLibOptionsMinSizeRel,
target.GetProperty("STATIC_LIBRARY_FLAGS_MINSIZEREL"));
this->AppendFlags(staticLibOptionsRelWithDebInfo,
target.GetProperty("STATIC_LIBRARY_FLAGS_RELWITHDEBINFO"));
std::string objects;
this->OutputObjects(target, "LIB", objects);
if(!objects.empty())
{
objects = "\n" + objects;
staticLibOptionsDebug += objects;
staticLibOptionsRelease += objects;
staticLibOptionsMinSizeRel += objects;
staticLibOptionsRelWithDebInfo += objects;
}
}
// Add the export symbol definition for shared library objects.
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std::string exportSymbol;
if(const char* exportMacro = target.GetExportMacro())
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{
exportSymbol = exportMacro;
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}
std::string line;
std::string libnameExports;
if(exportSymbol.size())
{
libnameExports = "/D \"";
libnameExports += exportSymbol;
libnameExports += "\"";
}
while(cmSystemTools::GetLineFromStream(fin, line))
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{
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const char* mfcFlag = this->Makefile->GetDefinition("CMAKE_MFC_FLAG");
if(!mfcFlag)
{
mfcFlag = "0";
}
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cmSystemTools::ReplaceString(line, "OUTPUT_LIBNAME_EXPORTS",
libnameExports.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_MFC_FLAG",
mfcFlag);
if(target.GetType() == cmTarget::STATIC_LIBRARY ||
target.GetType() == cmTarget::OBJECT_LIBRARY)
{
cmSystemTools::ReplaceString(line, "CM_STATIC_LIB_ARGS_DEBUG",
staticLibOptionsDebug.c_str());
cmSystemTools::ReplaceString(line, "CM_STATIC_LIB_ARGS_RELEASE",
staticLibOptionsRelease.c_str());
cmSystemTools::ReplaceString(line, "CM_STATIC_LIB_ARGS_MINSIZEREL",
staticLibOptionsMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "CM_STATIC_LIB_ARGS_RELWITHDEBINFO",
staticLibOptionsRelWithDebInfo.c_str());
cmSystemTools::ReplaceString(line, "CM_STATIC_LIB_ARGS",
staticLibOptions.c_str());
}
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if(this->Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE"))
{
cmSystemTools::ReplaceString(line, "/nologo", "");
}
#ifdef CM_USE_OLD_VS6
cmSystemTools::ReplaceString(line, "CM_LIBRARIES",
libOptions.c_str());
cmSystemTools::ReplaceString(line, "CM_DEBUG_LIBRARIES",
libDebugOptions.c_str());
cmSystemTools::ReplaceString(line, "CM_OPTIMIZED_LIBRARIES",
libOptimizedOptions.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_LIBRARIES_FOR_DEBUG",
libMultiLineOptionsForDebug.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_LIBRARIES",
libMultiLineOptions.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_DEBUG_LIBRARIES",
libMultiLineDebugOptions.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_OPTIMIZED_LIBRARIES",
libMultiLineOptimizedOptions.c_str());
#endif
// Substitute the rules for custom command. When specifying just the
// target name for the command the command can be different for
// different configs
cmSystemTools::ReplaceString(line, "CMAKE_CUSTOM_RULE_CODE_RELEASE",
customRuleCodeRelease.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CUSTOM_RULE_CODE_DEBUG",
customRuleCodeDebug.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CUSTOM_RULE_CODE_MINSIZEREL",
customRuleCodeMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CUSTOM_RULE_CODE_RELWITHDEBINFO",
customRuleCodeRelWithDebInfo.c_str());
// Substitute the real output name into the template.
cmSystemTools::ReplaceString(line, "OUTPUT_NAME_DEBUG",
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outputNameDebug.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_NAME_RELEASE",
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outputNameRelease.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_NAME_MINSIZEREL",
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outputNameMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_NAME_RELWITHDEBINFO",
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outputNameRelWithDebInfo.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_NAME", outputName.c_str());
// Substitute the proper link information into the template.
cmSystemTools::ReplaceString(line, "CM_MULTILINE_OPTIONS_DEBUG",
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optionsDebug.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_OPTIONS_RELEASE",
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optionsRelease.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_OPTIONS_MINSIZEREL",
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optionsMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "CM_MULTILINE_OPTIONS_RELWITHDEBINFO",
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optionsRelWithDebInfo.c_str());
cmSystemTools::ReplaceString(line, "BUILD_INCLUDES_DEBUG",
includeOptionsDebug.c_str());
cmSystemTools::ReplaceString(line, "BUILD_INCLUDES_RELEASE",
includeOptionsRelease.c_str());
cmSystemTools::ReplaceString(line, "BUILD_INCLUDES_MINSIZEREL",
includeOptionsMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "BUILD_INCLUDES_RELWITHDEBINFO",
includeOptionsRelWithDebInfo.c_str());
cmSystemTools::ReplaceString(line, "TARGET_VERSION_FLAG",
targetVersionFlag.c_str());
cmSystemTools::ReplaceString(line, "TARGET_IMPLIB_FLAG_DEBUG",
targetImplibFlagDebug.c_str());
cmSystemTools::ReplaceString(line, "TARGET_IMPLIB_FLAG_RELEASE",
targetImplibFlagRelease.c_str());
cmSystemTools::ReplaceString(line, "TARGET_IMPLIB_FLAG_MINSIZEREL",
targetImplibFlagMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "TARGET_IMPLIB_FLAG_RELWITHDEBINFO",
targetImplibFlagRelWithDebInfo.c_str());
std::string vs6name = GetVS6TargetName(libName);
cmSystemTools::ReplaceString(line, "OUTPUT_LIBNAME", vs6name.c_str());
#ifdef CM_USE_OLD_VS6
// because LIBRARY_OUTPUT_PATH and EXECUTABLE_OUTPUT_PATH
// are already quoted in the template file,
// we need to remove the quotes here, we still need
// to convert to output path for unix to win32 conversion
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cmSystemTools::ReplaceString
(line, "LIBRARY_OUTPUT_PATH",
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removeQuotes(this->ConvertToOutputFormat
(libPath.c_str(), SHELL)).c_str());
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cmSystemTools::ReplaceString
(line, "EXECUTABLE_OUTPUT_PATH",
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removeQuotes(this->ConvertToOutputFormat
(exePath.c_str(), SHELL)).c_str());
#endif
if(targetBuilds || target.GetType() == cmTarget::OBJECT_LIBRARY)
{
cmSystemTools::ReplaceString(line, "OUTPUT_DIRECTORY_DEBUG",
outputDirDebug.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_DIRECTORY_RELEASE",
outputDirRelease.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_DIRECTORY_MINSIZEREL",
outputDirMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "OUTPUT_DIRECTORY_RELWITHDEBINFO",
outputDirRelWithDebInfo.c_str());
if(!outputDirOld.empty())
{
cmSystemTools::ReplaceString(line, "OUTPUT_DIRECTORY",
outputDirOld.c_str());
}
}
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cmSystemTools::ReplaceString(line,
"EXTRA_DEFINES",
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this->Makefile->GetDefineFlags());
const char* debugPostfix
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= this->Makefile->GetDefinition("CMAKE_DEBUG_POSTFIX");
cmSystemTools::ReplaceString(line, "DEBUG_POSTFIX",
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debugPostfix?debugPostfix:"");
if(target.GetType() >= cmTarget::EXECUTABLE &&
target.GetType() <= cmTarget::OBJECT_LIBRARY)
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{
// store flags for each configuration
std::string flags = " ";
std::string flagsRelease = " ";
std::string flagsMinSizeRel = " ";
std::string flagsDebug = " ";
std::string flagsRelWithDebInfo = " ";
std::vector<std::string> configs;
target.GetMakefile()->GetConfigurations(configs);
std::vector<std::string>::const_iterator it = configs.begin();
const std::string& linkLanguage = target.GetLinkerLanguage(*it);
for ( ; it != configs.end(); ++it)
{
const std::string& configLinkLanguage = target.GetLinkerLanguage(*it);
if (configLinkLanguage != linkLanguage)
{
cmSystemTools::Error
("Linker language must not vary by configuration for target: ",
target.GetName().c_str());
}
}
if(linkLanguage.empty())
{
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cmSystemTools::Error
("CMake can not determine linker language for target: ",
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target.GetName().c_str());
return;
}
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// if CXX is on and the target contains cxx code then add the cxx flags
std::string baseFlagVar = "CMAKE_";
baseFlagVar += linkLanguage;
baseFlagVar += "_FLAGS";
flags = this->Makefile->GetSafeDefinition(baseFlagVar.c_str());
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std::string flagVar = baseFlagVar + "_RELEASE";
flagsRelease = this->Makefile->GetSafeDefinition(flagVar.c_str());
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flagsRelease += " -DCMAKE_INTDIR=\\\"Release\\\" ";
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flagVar = baseFlagVar + "_MINSIZEREL";
flagsMinSizeRel = this->Makefile->GetSafeDefinition(flagVar.c_str());
flagsMinSizeRel += " -DCMAKE_INTDIR=\\\"MinSizeRel\\\" ";
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flagVar = baseFlagVar + "_DEBUG";
flagsDebug = this->Makefile->GetSafeDefinition(flagVar.c_str());
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flagsDebug += " -DCMAKE_INTDIR=\\\"Debug\\\" ";
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flagVar = baseFlagVar + "_RELWITHDEBINFO";
flagsRelWithDebInfo = this->Makefile->GetSafeDefinition(flagVar.c_str());
flagsRelWithDebInfo += " -DCMAKE_INTDIR=\\\"RelWithDebInfo\\\" ";
this->AddCompileOptions(flags, &target, linkLanguage, "");
this->AddCompileOptions(flagsDebug, &target, linkLanguage, "Debug");
this->AddCompileOptions(flagsRelease, &target, linkLanguage, "Release");
this->AddCompileOptions(flagsMinSizeRel, &target, linkLanguage,
"MinSizeRel");
this->AddCompileOptions(flagsRelWithDebInfo, &target, linkLanguage,
"RelWithDebInfo");
// if _UNICODE and _SBCS are not found, then add -D_MBCS
std::string defs = this->Makefile->GetDefineFlags();
if(flags.find("D_UNICODE") == flags.npos &&
defs.find("D_UNICODE") == flags.npos &&
flags.find("D_SBCS") == flags.npos &&
defs.find("D_SBCS") == flags.npos)
{
flags += " /D \"_MBCS\"";
}
// Add per-target and per-configuration preprocessor definitions.
std::set<std::string> definesSet;
std::set<std::string> debugDefinesSet;
std::set<std::string> releaseDefinesSet;
std::set<std::string> minsizeDefinesSet;
std::set<std::string> debugrelDefinesSet;
this->AddCompileDefinitions(definesSet, &target, "", linkLanguage);
this->AddCompileDefinitions(debugDefinesSet, &target,
"DEBUG", linkLanguage);
this->AddCompileDefinitions(releaseDefinesSet, &target,
"RELEASE", linkLanguage);
this->AddCompileDefinitions(minsizeDefinesSet, &target,
"MINSIZEREL", linkLanguage);
this->AddCompileDefinitions(debugrelDefinesSet, &target,
"RELWITHDEBINFO", linkLanguage);
std::string defines = " ";
std::string debugDefines = " ";
std::string releaseDefines = " ";
std::string minsizeDefines = " ";
std::string debugrelDefines = " ";
this->JoinDefines(definesSet, defines, "");
this->JoinDefines(debugDefinesSet, debugDefines, "");
this->JoinDefines(releaseDefinesSet, releaseDefines, "");
this->JoinDefines(minsizeDefinesSet, minsizeDefines, "");
this->JoinDefines(debugrelDefinesSet, debugrelDefines, "");
flags += defines;
flagsDebug += debugDefines;
flagsRelease += releaseDefines;
flagsMinSizeRel += minsizeDefines;
flagsRelWithDebInfo += debugrelDefines;
// The template files have CXX FLAGS in them, that need to be replaced.
// There are not separate CXX and C template files, so we use the same
// variable names. The previous code sets up flags* variables to
// contain the correct C or CXX flags
cmSystemTools::ReplaceString(line, "CMAKE_CXX_FLAGS_MINSIZEREL",
flagsMinSizeRel.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CXX_FLAGS_DEBUG",
flagsDebug.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CXX_FLAGS_RELWITHDEBINFO",
flagsRelWithDebInfo.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CXX_FLAGS_RELEASE",
flagsRelease.c_str());
cmSystemTools::ReplaceString(line, "CMAKE_CXX_FLAGS", flags.c_str());
cmSystemTools::ReplaceString(line, "COMPILE_DEFINITIONS_MINSIZEREL",
minsizeDefines.c_str());
cmSystemTools::ReplaceString(line, "COMPILE_DEFINITIONS_DEBUG",
debugDefines.c_str());
cmSystemTools::ReplaceString(line, "COMPILE_DEFINITIONS_RELWITHDEBINFO",
debugrelDefines.c_str());
cmSystemTools::ReplaceString(line, "COMPILE_DEFINITIONS_RELEASE",
releaseDefines.c_str());
cmSystemTools::ReplaceString(line, "COMPILE_DEFINITIONS",
defines.c_str());
}
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fout << line.c_str() << std::endl;
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}
}
void cmLocalVisualStudio6Generator::WriteDSPFooter(std::ostream& fout)
{
cmsys::ifstream fin(this->DSPFooterTemplate.c_str());
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if(!fin)
{
cmSystemTools::Error("Error Reading ",
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this->DSPFooterTemplate.c_str());
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}
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
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{
fout << line << std::endl;
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}
}
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//----------------------------------------------------------------------------
void cmLocalVisualStudio6Generator
::ComputeLinkOptions(cmTarget& target,
const std::string& configName,
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const std::string extraOptions,
std::string& options)
{
// Compute the link information for this configuration.
cmComputeLinkInformation* pcli = target.GetLinkInformation(configName);
if(!pcli)
{
return;
}
cmComputeLinkInformation& cli = *pcli;
typedef cmComputeLinkInformation::ItemVector ItemVector;
ItemVector const& linkLibs = cli.GetItems();
std::vector<std::string> const& linkDirs = cli.GetDirectories();
this->OutputObjects(target, "LINK", options);
// Build the link options code.
for(std::vector<std::string>::const_iterator d = linkDirs.begin();
d != linkDirs.end(); ++d)
{
std::string dir = *d;
if(!dir.empty())
{
if(dir[dir.size()-1] != '/')
{
dir += "/";
}
dir += "$(IntDir)";
options += "# ADD LINK32 /LIBPATH:";
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options += this->ConvertToOutputFormat(dir.c_str(), SHELL);
options += " /LIBPATH:";
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options += this->ConvertToOutputFormat(d->c_str(), SHELL);
options += "\n";
}
}
for(ItemVector::const_iterator l = linkLibs.begin();
l != linkLibs.end(); ++l)
{
options += "# ADD LINK32 ";
if(l->IsPath)
{
options +=
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this->ConvertToOutputFormat(l->Value.c_str(), SHELL);
}
else if (!l->Target
|| l->Target->GetType() != cmTarget::INTERFACE_LIBRARY)
{
options += l->Value;
}
options += "\n";
}
// Add extra options if any.
if(!extraOptions.empty())
{
options += "# ADD LINK32 ";
options += extraOptions;
options += "\n";
}
}
//----------------------------------------------------------------------------
void cmLocalVisualStudio6Generator
::OutputObjects(cmTarget& target, const char* tool,
std::string& options)
{
// VS 6 does not support per-config source locations so we
// list object library content on the link line instead.
cmGeneratorTarget* gt =
this->GlobalGenerator->GetGeneratorTarget(&target);
std::vector<std::string> objs;
gt->UseObjectLibraries(objs, "");
for(std::vector<std::string>::const_iterator
oi = objs.begin(); oi != objs.end(); ++oi)
{
options += "# ADD ";
options += tool;
options += "32 ";
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options += this->ConvertToOutputFormat(oi->c_str(), SHELL);
options += "\n";
}
}
std::string
cmLocalVisualStudio6Generator
::GetTargetDirectory(cmTarget const&) const
{
// No per-target directory for this generator (yet).
return "";
}
//----------------------------------------------------------------------------
std::string
cmLocalVisualStudio6Generator
::ComputeLongestObjectDirectory(cmTarget&) const
{
// Compute the maximum length configuration name.
std::string config_max;
for(std::vector<std::string>::const_iterator
i = this->Configurations.begin();
i != this->Configurations.end(); ++i)
{
// Strip the subdirectory name out of the configuration name.
std::string config = this->GetConfigName(*i);
if(config.size() > config_max.size())
{
config_max = config;
}
}
// Compute the maximum length full path to the intermediate
// files directory for any configuration. This is used to construct
// object file names that do not produce paths that are too long.
std::string dir_max;
dir_max += this->Makefile->GetCurrentBinaryDirectory();
dir_max += "/";
dir_max += config_max;
dir_max += "/";
return dir_max;
}
std::string
cmLocalVisualStudio6Generator
::GetConfigName(std::string const& configuration) const
{
// Strip the subdirectory name out of the configuration name.
std::string config = configuration;
std::string::size_type pos = config.find_last_of(" ");
config = config.substr(pos+1, std::string::npos);
config = config.substr(0, config.size()-1);
return config;
}
//----------------------------------------------------------------------------
bool
cmLocalVisualStudio6Generator
::CheckDefinition(std::string const& define) const
{
// Perform the standard check first.
if(!this->cmLocalGenerator::CheckDefinition(define))
{
return false;
}
// Now do the VS6-specific check.
if(define.find_first_of(" ") != define.npos &&
define.find_first_of("\"$;") != define.npos)
{
std::ostringstream e;
e << "WARNING: The VS6 IDE does not support preprocessor definition "
<< "values with spaces and '\"', '$', or ';'.\n"
<< "CMake is dropping a preprocessor definition: " << define << "\n"
<< "Consider defining the macro in a (configured) header file.\n";
cmSystemTools::Message(e.str().c_str());
return false;
}
// Assume it is supported.
return true;
}