93 lines
2.7 KiB
C++
93 lines
2.7 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmDepends.h"
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#include "cmGeneratedFileStream.h"
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#include "cmSystemTools.h"
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#include <assert.h>
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//----------------------------------------------------------------------------
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cmDepends::cmDepends()
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{
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m_Verbose = false;
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}
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//----------------------------------------------------------------------------
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cmDepends::~cmDepends()
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{
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}
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//----------------------------------------------------------------------------
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bool cmDepends::Write(const char *src, const char *obj, std::ostream &fout)
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{
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return this->WriteDependencies(src, obj, fout);
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}
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//----------------------------------------------------------------------------
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void cmDepends::Check(const char *file)
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{
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// Dependency checks must be done in proper working directory.
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std::string oldcwd = ".";
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if(m_CompileDirectory != ".")
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{
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// Get the CWD but do not call CollapseFullPath because
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// we only need it to cd back, and the form does not matter
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oldcwd = cmSystemTools::GetCurrentWorkingDirectory(false);
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cmSystemTools::ChangeDirectory(m_CompileDirectory.c_str());
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}
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// Check whether dependencies must be regenerated.
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std::ifstream fin(file);
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if(!(fin && this->CheckDependencies(fin)))
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{
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// Clear all dependencies so they will be regenerated.
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this->Clear(file);
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}
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// Restore working directory.
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if(oldcwd != ".")
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{
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cmSystemTools::ChangeDirectory(oldcwd.c_str());
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}
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}
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//----------------------------------------------------------------------------
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void cmDepends::Clear(const char *file)
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{
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// Print verbose output.
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if(m_Verbose)
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{
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cmOStringStream msg;
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msg << "Clearing dependencies in \"" << file << "\"." << std::endl;
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cmSystemTools::Stdout(msg.str().c_str());
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}
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// Remove the dependency mark file to be sure dependencies will be
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// regenerated.
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std::string markFile = file;
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markFile += ".mark";
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cmSystemTools::RemoveFile(markFile.c_str());
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// Write an empty dependency file.
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cmGeneratedFileStream depFileStream(file);
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depFileStream
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<< "# Empty dependencies file\n"
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<< "# This may be replaced when dependencies are built." << std::endl;
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}
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