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5c0c635a09
Define a "Fortran_FORMAT" target and source file property. Initialize the target property from a "CMAKE_Fortran_FORMAT" variable. Interpret values "FIXED" and "FREE" to indicate the source file format. Append corresponding flags to the compiler command line.
558 lines
19 KiB
C++
558 lines
19 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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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 "cmSourceFile.h"
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#include "cmGlobalGenerator.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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#include "cmDocumentCompileDefinitions.h"
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//----------------------------------------------------------------------------
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cmSourceFile::cmSourceFile(cmMakefile* mf, const char* name):
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Location(mf, name)
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{
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this->CustomCommand = 0;
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this->Properties.SetCMakeInstance(mf->GetCMakeInstance());
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this->FindFullPathFailed = false;
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}
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//----------------------------------------------------------------------------
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cmSourceFile::~cmSourceFile()
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{
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this->SetCustomCommand(0);
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetExtension() const
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{
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return this->Extension;
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetLanguage()
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{
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// If the language was set explicitly by the user then use it.
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if(const char* lang = this->GetProperty("LANGUAGE"))
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{
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return lang;
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}
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// Perform computation needed to get the language if necessary.
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if(this->FullPath.empty() && this->Language.empty())
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{
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// If a known extension is given or a known full path is given
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// then trust that the current extension is sufficient to
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// determine the language. This will fail only if the user
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// specifies a full path to the source but leaves off the
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// extension, which is kind of weird.
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if(this->Location.ExtensionIsAmbiguous() &&
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this->Location.DirectoryIsAmbiguous())
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{
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// Finalize the file location to get the extension and set the
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// language.
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this->GetFullPath();
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}
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else
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{
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// Use the known extension to get the language if possible.
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std::string ext =
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cmSystemTools::GetFilenameLastExtension(this->Location.GetName());
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this->CheckLanguage(ext);
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}
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}
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// Now try to determine the language.
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return static_cast<cmSourceFile const*>(this)->GetLanguage();
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetLanguage() const
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{
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// If the language was set explicitly by the user then use it.
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if(const char* lang = this->GetProperty("LANGUAGE"))
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{
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return lang;
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}
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// If the language was determined from the source file extension use it.
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if(!this->Language.empty())
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{
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return this->Language.c_str();
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}
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// The language is not known.
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return 0;
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}
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//----------------------------------------------------------------------------
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cmSourceFileLocation const& cmSourceFile::GetLocation() const
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{
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return this->Location;
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetFullPath(std::string* error)
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{
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if(this->FullPath.empty())
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{
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if(this->FindFullPath(error))
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{
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this->CheckExtension();
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}
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}
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return this->FullPath;
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}
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//----------------------------------------------------------------------------
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std::string const& cmSourceFile::GetFullPath() const
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{
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return this->FullPath;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::FindFullPath(std::string* error)
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{
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// If thie method has already failed once do not try again.
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if(this->FindFullPathFailed)
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{
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return false;
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}
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// If the file is generated compute the location without checking on
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// disk.
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if(this->GetPropertyAsBool("GENERATED"))
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{
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// The file is either already a full path or is relative to the
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// build directory for the target.
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this->Location.DirectoryUseBinary();
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this->FullPath = this->Location.GetDirectory();
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this->FullPath += "/";
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this->FullPath += this->Location.GetName();
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return true;
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}
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// The file is not generated. It must exist on disk.
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cmMakefile* mf = this->Location.GetMakefile();
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const char* tryDirs[3] = {0, 0, 0};
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if(this->Location.DirectoryIsAmbiguous())
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{
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tryDirs[0] = mf->GetCurrentDirectory();
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tryDirs[1] = mf->GetCurrentOutputDirectory();
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}
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else
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{
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tryDirs[0] = "";
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}
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const std::vector<std::string>& srcExts = mf->GetSourceExtensions();
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const std::vector<std::string>& hdrExts = mf->GetHeaderExtensions();
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for(const char* const* di = tryDirs; *di; ++di)
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{
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std::string tryPath = this->Location.GetDirectory();
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if(!tryPath.empty())
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{
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tryPath += "/";
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}
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tryPath += this->Location.GetName();
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tryPath = cmSystemTools::CollapseFullPath(tryPath.c_str(), *di);
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if(this->TryFullPath(tryPath.c_str(), 0))
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{
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return true;
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}
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for(std::vector<std::string>::const_iterator ei = srcExts.begin();
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ei != srcExts.end(); ++ei)
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{
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if(this->TryFullPath(tryPath.c_str(), ei->c_str()))
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{
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return true;
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}
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}
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for(std::vector<std::string>::const_iterator ei = hdrExts.begin();
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ei != hdrExts.end(); ++ei)
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{
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if(this->TryFullPath(tryPath.c_str(), ei->c_str()))
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{
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return true;
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}
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}
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}
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cmOStringStream e;
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std::string missing = this->Location.GetDirectory();
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if(!missing.empty())
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{
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missing += "/";
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}
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missing += this->Location.GetName();
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e << "Cannot find source file:\n " << missing << "\nTried extensions";
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for(std::vector<std::string>::const_iterator ext = srcExts.begin();
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ext != srcExts.end(); ++ext)
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{
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e << " ." << *ext;
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}
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for(std::vector<std::string>::const_iterator ext = hdrExts.begin();
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ext != hdrExts.end(); ++ext)
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{
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e << " ." << *ext;
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}
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if(error)
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{
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*error = e.str();
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}
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else
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{
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this->Location.GetMakefile()->IssueMessage(cmake::FATAL_ERROR, e.str());
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}
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this->FindFullPathFailed = true;
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return false;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::TryFullPath(const char* tp, const char* ext)
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{
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std::string tryPath = tp;
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if(ext && *ext)
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{
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tryPath += ".";
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tryPath += ext;
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}
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if(cmSystemTools::FileExists(tryPath.c_str()))
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{
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this->FullPath = tryPath;
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return true;
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}
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return false;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::CheckExtension()
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{
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// Compute the extension.
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std::string realExt =
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cmSystemTools::GetFilenameLastExtension(this->FullPath);
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if(!realExt.empty())
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{
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// Store the extension without the leading '.'.
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this->Extension = realExt.substr(1);
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}
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// Look for object files.
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if(this->Extension == "obj" ||
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this->Extension == "o" ||
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this->Extension == "lo")
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{
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this->SetProperty("EXTERNAL_OBJECT", "1");
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}
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// Try to identify the source file language from the extension.
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if(this->Language.empty())
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{
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this->CheckLanguage(this->Extension);
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}
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::CheckLanguage(std::string const& ext)
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{
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// Try to identify the source file language from the extension.
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cmMakefile* mf = this->Location.GetMakefile();
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cmGlobalGenerator* gg = mf->GetLocalGenerator()->GetGlobalGenerator();
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if(const char* l = gg->GetLanguageFromExtension(ext.c_str()))
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{
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this->Language = l;
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}
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::Matches(cmSourceFileLocation const& loc)
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{
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return this->Location.Matches(loc);
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::SetProperty(const char* prop, const char* value)
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{
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if (!prop)
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{
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return;
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}
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this->Properties.SetProperty(prop, value, cmProperty::SOURCE_FILE);
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::AppendProperty(const char* prop, const char* value,
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bool asString)
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{
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if (!prop)
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{
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return;
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}
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this->Properties.AppendProperty(prop, value, cmProperty::SOURCE_FILE,
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asString);
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetPropertyForUser(const char *prop)
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{
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// This method is a consequence of design history and backwards
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// compatibility. GetProperty is (and should be) a const method.
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// Computed properties should not be stored back in the property map
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// but instead reference information already known. If they need to
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// cache information in a mutable ivar to provide the return string
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// safely then so be it.
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//
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// The LOCATION property is particularly problematic. The CMake
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// language has very loose restrictions on the names that will match
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// a given source file (for historical reasons). Implementing
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// lookups correctly with such loose naming requires the
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// cmSourceFileLocation class to commit to a particular full path to
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// the source file as late as possible. If the users requests the
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// LOCATION property we must commit now.
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if(strcmp(prop, "LOCATION") == 0)
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{
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// Commit to a location.
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this->GetFullPath();
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}
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// Perform the normal property lookup.
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return this->GetProperty(prop);
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}
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//----------------------------------------------------------------------------
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const char* cmSourceFile::GetProperty(const char* prop) const
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{
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// Check for computed properties.
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if(strcmp(prop, "LOCATION") == 0)
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{
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if(this->FullPath.empty())
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{
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return 0;
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}
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else
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{
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return this->FullPath.c_str();
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}
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}
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bool chain = false;
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const char *retVal =
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this->Properties.GetPropertyValue(prop, cmProperty::SOURCE_FILE, chain);
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if (chain)
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{
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cmMakefile* mf = this->Location.GetMakefile();
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return mf->GetProperty(prop,cmProperty::SOURCE_FILE);
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}
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return retVal;
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}
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//----------------------------------------------------------------------------
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bool cmSourceFile::GetPropertyAsBool(const char* prop) const
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{
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return cmSystemTools::IsOn(this->GetProperty(prop));
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}
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//----------------------------------------------------------------------------
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cmCustomCommand* cmSourceFile::GetCustomCommand()
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{
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return this->CustomCommand;
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}
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//----------------------------------------------------------------------------
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cmCustomCommand const* cmSourceFile::GetCustomCommand() const
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{
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return this->CustomCommand;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::SetCustomCommand(cmCustomCommand* cc)
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{
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cmCustomCommand* old = this->CustomCommand;
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this->CustomCommand = cc;
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delete old;
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}
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//----------------------------------------------------------------------------
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void cmSourceFile::DefineProperties(cmake *cm)
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{
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// define properties
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cm->DefineProperty
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("ABSTRACT", cmProperty::SOURCE_FILE,
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"Is this source file an abstract class.",
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"A property on a source file that indicates if the source file "
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"represents a class that is abstract. This only makes sense for "
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"languages that have a notion of an abstract class and it is "
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"only used by some tools that wrap classes into other languages.");
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cm->DefineProperty
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("COMPILE_FLAGS", cmProperty::SOURCE_FILE,
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"Additional flags to be added when compiling this source file.",
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"These flags will be added to the list of compile flags when "
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"this source file builds. Use COMPILE_DEFINITIONS to pass additional "
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"preprocessor definitions.");
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cm->DefineProperty
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("COMPILE_DEFINITIONS", cmProperty::SOURCE_FILE,
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"Preprocessor definitions for compiling a source file.",
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"The COMPILE_DEFINITIONS property may be set to a "
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"semicolon-separated list of preprocessor "
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"definitions using the syntax VAR or VAR=value. Function-style "
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"definitions are not supported. CMake will automatically escape "
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"the value correctly for the native build system (note that CMake "
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"language syntax may require escapes to specify some values). "
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"This property may be set on a per-configuration basis using the name "
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"COMPILE_DEFINITIONS_<CONFIG> where <CONFIG> is an upper-case name "
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"(ex. \"COMPILE_DEFINITIONS_DEBUG\").\n"
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"CMake will automatically drop some definitions that "
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"are not supported by the native build tool. "
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"The VS6 IDE does not support definition values with spaces "
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"(but NMake does). Xcode does not support per-configuration "
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"definitions on source files.\n"
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CM_DOCUMENT_COMPILE_DEFINITIONS_DISCLAIMER);
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cm->DefineProperty
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("COMPILE_DEFINITIONS_<CONFIG>", cmProperty::SOURCE_FILE,
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"Per-configuration preprocessor definitions on a source file.",
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"This is the configuration-specific version of "
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"COMPILE_DEFINITIONS. Note that Xcode does not support "
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"per-configuration source file flags so this property will "
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"be ignored by the Xcode generator.");
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cm->DefineProperty
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("EXTERNAL_OBJECT", cmProperty::SOURCE_FILE,
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"If set to true then this is an object file.",
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"If this property is set to true then the source file "
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"is really an object file and should not be compiled. "
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"It will still be linked into the target though.");
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cm->DefineProperty
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("Fortran_FORMAT", cmProperty::SOURCE_FILE,
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"Set to FIXED or FREE to indicate the Fortran source layout.",
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"This property tells CMake whether a given Fortran source file "
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"uses fixed-format or free-format. "
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"CMake will pass the corresponding format flag to the compiler. "
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"Consider using the target-wide Fortran_FORMAT property if all "
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"source files in a target share the same format.");
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cm->DefineProperty
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("GENERATED", cmProperty::SOURCE_FILE,
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"Is this source file generated as part of the build process.",
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"If a source file is generated by the build process CMake will "
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"handle it differently in terms of dependency checking etc. "
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"Otherwise having a non-existent source file could create problems.");
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cm->DefineProperty
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("HEADER_FILE_ONLY", cmProperty::SOURCE_FILE,
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"Is this source file only a header file.",
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"A property on a source file that indicates if the source file "
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"is a header file with no associated implementation. This is "
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"set automatically based on the file extension and is used by "
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"CMake to determine is certain dependency information should be "
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"computed.");
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cm->DefineProperty
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("KEEP_EXTENSION", cmProperty::SOURCE_FILE,
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"Make the output file have the same extension as the source file.",
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"If this property is set then the file extension of the output "
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"file will be the same as that of the source file. Normally "
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"the output file extension is computed based on the language "
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"of the source file, for example .cxx will go to a .o extension.");
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cm->DefineProperty
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("LABELS", cmProperty::SOURCE_FILE,
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"Specify a list of text labels associated with a source file.",
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"This property has meaning only when the source file is listed in "
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"a target whose LABELS property is also set. "
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"No other semantics are currently specified.");
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cm->DefineProperty
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("LANGUAGE", cmProperty::SOURCE_FILE,
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"What programming language is the file.",
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"A property that can be set to indicate what programming language "
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"the source file is. If it is not set the language is determined "
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"based on the file extension. Typical values are CXX C etc. Setting "
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"this property for a file means this file will be compiled. "
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"Do not set this for header or files that should not be compiled.");
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cm->DefineProperty
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("LOCATION", cmProperty::SOURCE_FILE,
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"The full path to a source file.",
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"A read only property on a SOURCE FILE that contains the full path "
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"to the source file.");
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cm->DefineProperty
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("MACOSX_PACKAGE_LOCATION", cmProperty::SOURCE_FILE,
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"Place a source file inside a Mac OS X bundle, CFBundle, or framework.",
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"Executable targets with the MACOSX_BUNDLE property set are built "
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"as Mac OS X application bundles on Apple platforms. "
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"Shared library targets with the FRAMEWORK property set are built "
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"as Mac OS X frameworks on Apple platforms. "
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"Module library targets with the BUNDLE property set are built "
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"as Mac OS X CFBundle bundles on Apple platforms. "
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"Source files listed in the target with this property set will "
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"be copied to a directory inside the bundle or framework content "
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"folder specified by the property value. "
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"For bundles the content folder is \"<name>.app/Contents\". "
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"For frameworks the content folder is "
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"\"<name>.framework/Versions/<version>\". "
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"For cfbundles the content folder is "
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"\"<name>.bundle/Contents\" (unless the extension is changed). "
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"See the PUBLIC_HEADER, PRIVATE_HEADER, and RESOURCE target "
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"properties for specifying files meant for Headers, PrivateHeaders, "
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"or Resources directories.");
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cm->DefineProperty
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("OBJECT_DEPENDS", cmProperty::SOURCE_FILE,
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"Additional files on which a compiled object file depends.",
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"Specifies a semicolon-separated list of full-paths to files on which "
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"any object files compiled from this source file depend. "
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"An object file will be recompiled if any of the named files is newer "
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"than it.\n"
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"This property need not be used to specify the dependency of a "
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"source file on a generated header file that it includes. "
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"Although the property was originally introduced for this purpose, it "
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"is no longer necessary. "
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"If the generated header file is created by a custom command in the "
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"same target as the source file, the automatic dependency scanning "
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"process will recognize the dependency. "
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"If the generated header file is created by another target, an "
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"inter-target dependency should be created with the add_dependencies "
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"command (if one does not already exist due to linking relationships).");
|
|
|
|
cm->DefineProperty
|
|
("OBJECT_OUTPUTS", cmProperty::SOURCE_FILE,
|
|
"Additional outputs for a Makefile rule.",
|
|
"Additional outputs created by compilation of this source file. "
|
|
"If any of these outputs is missing the object will be recompiled. "
|
|
"This is supported only on Makefile generators and will be ignored "
|
|
"on other generators.");
|
|
|
|
cm->DefineProperty
|
|
("SYMBOLIC", cmProperty::SOURCE_FILE,
|
|
"Is this just a name for a rule.",
|
|
"If SYMBOLIC (boolean) is set to true the build system will be "
|
|
"informed that the source file is not actually created on disk but "
|
|
"instead used as a symbolic name for a build rule.");
|
|
|
|
cm->DefineProperty
|
|
("WRAP_EXCLUDE", cmProperty::SOURCE_FILE,
|
|
"Exclude this source file from any code wrapping techniques.",
|
|
"Some packages can wrap source files into alternate languages "
|
|
"to provide additional functionality. For example, C++ code "
|
|
"can be wrapped into Java or Python etc using SWIG etc. "
|
|
"If WRAP_EXCLUDE is set to true (1 etc) that indicates then "
|
|
"this source file should not be wrapped.");
|
|
}
|
|
|