528 lines
17 KiB
C++
528 lines
17 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 "cmLocalUnixMakefileGenerator2.h"
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#include "cmGeneratedFileStream.h"
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#include "cmGlobalGenerator.h"
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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//----------------------------------------------------------------------------
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cmLocalUnixMakefileGenerator2::cmLocalUnixMakefileGenerator2()
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{
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}
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//----------------------------------------------------------------------------
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cmLocalUnixMakefileGenerator2::~cmLocalUnixMakefileGenerator2()
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{
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}
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//----------------------------------------------------------------------------
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void cmLocalUnixMakefileGenerator2::Generate(bool fromTheTop)
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{
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// TODO: Account for control-c during Makefile generation.
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// Generate old style for now.
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this->cmLocalUnixMakefileGenerator::Generate(fromTheTop);
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// Generate the rule files for each target.
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const cmTargets& targets = m_Makefile->GetTargets();
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for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
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{
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this->GenerateTargetRuleFile(t->second);
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}
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// Generate the main makefile.
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this->GenerateMakefile();
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// Generate the cmake file that keeps the makefile up to date.
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this->GenerateCMakefile();
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}
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//----------------------------------------------------------------------------
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void cmLocalUnixMakefileGenerator2::GenerateMakefile()
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{
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std::string makefileName = m_Makefile->GetStartOutputDirectory();
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makefileName += "/Makefile2";
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std::string cmakefileName = makefileName;
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cmakefileName += ".cmake";
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// Open the output files.
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std::ofstream makefileStream(makefileName.c_str());
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if(!makefileStream)
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{
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cmSystemTools::Error("Error can not open for write: ",
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makefileName.c_str());
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cmSystemTools::ReportLastSystemError("");
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return;
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}
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// Write the do not edit header.
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this->WriteDisclaimer(makefileStream);
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// Write some rules to make things look nice.
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makefileStream
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<< "# Disable some common implicit rules to speed things up.\n"
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<< ".SUFFIXES:\n"
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<< ".SUFFIXES:.hpuxmakemusthaverule\n\n";
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// Write standard variables to the makefile.
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this->OutputMakeVariables(makefileStream);
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// Build command to run CMake to check if anything needs regenerating.
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std::string runRule =
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"@$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
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runRule += " --check-rerun ";
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runRule += this->ConvertToRelativeOutputPath(cmakefileName.c_str());
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// Most unix makes will pass the command line flags to make down to
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// sub-invoked makes via an environment variable. However, some
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// makes do not support that, so you have to pass the flags
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// explicitly.
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const char* depRule = "$(MAKE) -f Makefile2 $(MAKESILENT) all.depends";
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const char* allRule = "$(MAKE) -f Makefile2 $(MAKESILENT) all";
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if(m_PassMakeflags)
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{
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depRule = "$(MAKE) -f Makefile2 $(MAKESILENT) -$(MAKEFLAGS) all.depends";
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allRule = "$(MAKE) -f Makefile2 $(MAKESILENT) -$(MAKEFLAGS) all";
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}
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// Write the main entry point target. This must be the VERY first
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// target so that make with no arguments will run it.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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commands.push_back(runRule);
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commands.push_back(depRule);
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commands.push_back(allRule);
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this->OutputMakeRule(
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makefileStream,
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"Default target executed when no arguments are given to make.",
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"default_target",
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depends,
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commands);
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}
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// Write special target to silence make output. This must be after
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// the default target in case VERBOSE is set (which changes the name).
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if(!m_Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE"))
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{
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makefileStream
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<< "# Suppress display of executed commands.\n"
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<< "$(VERBOSE).SILENT:\n\n";
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}
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// Get the set of targets.
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const cmTargets& targets = m_Makefile->GetTargets();
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// Output top level dependency rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
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{
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if(t->second.IsInAll())
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{
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std::string dep = this->GetTargetDirectory(t->second);
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dep += "/";
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dep += t->first;
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dep += ".depends";
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depends.push_back(dep);
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}
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}
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this->OutputMakeRule(makefileStream, "all dependencies", "all.depends",
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depends, commands);
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}
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// Output top level build rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
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{
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if(t->second.IsInAll())
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{
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depends.push_back(t->first+".requires");
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}
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}
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this->OutputMakeRule(makefileStream, "all", "all",
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depends, commands);
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}
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// Write include statements to get rules for each target.
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makefileStream
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<< "# Include target rule files.\n";
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for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
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{
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std::string ruleFileName = this->GetTargetDirectory(t->second);
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ruleFileName += "/";
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ruleFileName += t->first;
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ruleFileName += ".make";
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makefileStream
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<< m_IncludeDirective << " "
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<< this->ConvertToOutputForExisting(ruleFileName.c_str()).c_str()
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<< "\n";
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}
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}
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//----------------------------------------------------------------------------
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void cmLocalUnixMakefileGenerator2::GenerateCMakefile()
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{
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std::string makefileName = m_Makefile->GetStartOutputDirectory();
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makefileName += "/Makefile2";
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std::string cmakefileName = makefileName;
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cmakefileName += ".cmake";
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// Open the output file.
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std::ofstream cmakefileStream(cmakefileName.c_str());
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if(!cmakefileStream)
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{
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cmSystemTools::Error("Error can not open for write: ",
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cmakefileName.c_str());
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cmSystemTools::ReportLastSystemError("");
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return;
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}
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// Write the do not edit header.
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this->WriteDisclaimer(cmakefileStream);
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// Get the list of files contributing to this generation step.
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// Sort the list and remove duplicates.
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std::vector<std::string> lfiles = m_Makefile->GetListFiles();
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std::sort(lfiles.begin(), lfiles.end(), std::less<std::string>());
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std::vector<std::string>::iterator new_end = std::unique(lfiles.begin(),
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lfiles.end());
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lfiles.erase(new_end, lfiles.end());
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// Save the list to the cmake file.
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cmakefileStream
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<< "# The corresponding makefile\n"
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<< "# \"" << makefileName << "\"\n"
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<< "# was generated from the following files:\n"
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<< "SET(CMAKE_MAKEFILE_DEPENDS\n"
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<< " \"" << m_Makefile->GetHomeOutputDirectory() << "/CMakeCache.txt\"\n";
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for(std::vector<std::string>::const_iterator i = lfiles.begin();
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i != lfiles.end(); ++i)
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{
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cmakefileStream
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<< " \"" << i->c_str() << "\"\n";
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}
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cmakefileStream
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<< " )\n\n";
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// Set the corresponding makefile in the cmake file.
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cmakefileStream
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<< "# The corresponding makefile is:\n"
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<< "SET(CMAKE_MAKEFILE_OUTPUTS\n"
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<< " \"" << makefileName.c_str() << "\"\n"
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<< " )\n";
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}
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//----------------------------------------------------------------------------
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void
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cmLocalUnixMakefileGenerator2
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::GenerateTargetRuleFile(const cmTarget& target)
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{
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// Create a directory for this target.
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std::string dir = this->GetTargetDirectory(target);
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cmSystemTools::MakeDirectory(dir.c_str());
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// First generate the object rule files. Save a list of all object
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// files for this target.
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std::vector<std::string> objects;
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const std::vector<cmSourceFile*>& sources = target.GetSourceFiles();
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for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
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source != sources.end(); ++source)
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{
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if(!(*source)->GetPropertyAsBool("HEADER_FILE_ONLY") &&
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!(*source)->GetCustomCommand())
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{
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// Generate this object file's rule file.
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this->GenerateObjectRuleFile(target, *(*source));
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// Save the object file full path.
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std::string obj = dir;
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obj += "/";
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obj += this->GetObjectFileName(*(*source));
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objects.push_back(obj);
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}
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}
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// If there is no dependencies file, create an empty one.
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std::string depFileName = dir;
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depFileName += "/";
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depFileName += target.GetName();
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depFileName += ".depends.make";
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if(!cmSystemTools::FileExists(depFileName.c_str()))
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{
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std::ofstream depFileStream(depFileName.c_str());
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this->WriteDisclaimer(depFileStream);
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depFileStream
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<< "# Empty dependencies file for target " << target.GetName() << ".\n"
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<< "# This may be replaced when dependencies are built.\n";
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}
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// Open the rule file. This should be copy-if-different because the
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// rules may depend on this file itself.
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std::string ruleFileName = dir;
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ruleFileName += "/";
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ruleFileName += target.GetName();
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ruleFileName += ".make";
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cmGeneratedFileStream ruleFile(ruleFileName.c_str());
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std::ostream& ruleFileStream = ruleFile.GetStream();
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if(!ruleFileStream)
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{
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// TODO: Produce error message that accounts for generated stream
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// .tmp.
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return;
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}
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this->WriteDisclaimer(ruleFileStream);
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ruleFileStream
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<< "# Rule file for target " << target.GetName() << ".\n\n";
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// Include the dependencies for the target.
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ruleFileStream
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<< "# Include any dependencies generated for this rule.\n"
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<< m_IncludeDirective << " "
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<< this->ConvertToOutputForExisting(depFileName.c_str()).c_str()
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<< "\n\n";
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// Include the rule file for each object.
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if(!objects.empty())
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{
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ruleFileStream
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<< "# Include rules for object files.\n";
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for(std::vector<std::string>::const_iterator obj = objects.begin();
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obj != objects.end(); ++obj)
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{
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std::string objRuleFileName = *obj;
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objRuleFileName += ".make";
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ruleFileStream
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<< m_IncludeDirective << " "
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<< this->ConvertToOutputForExisting(objRuleFileName.c_str()).c_str()
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<< "\n";
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}
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ruleFileStream
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<< "\n";
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}
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// Write the dependency generation rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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std::string depComment = "dependencies for ";
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depComment += target.GetName();
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std::string depTarget = dir;
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depTarget += "/";
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depTarget += target.GetName();
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depTarget += ".depends";
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for(std::vector<std::string>::const_iterator obj = objects.begin();
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obj != objects.end(); ++obj)
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{
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depends.push_back((*obj)+".depends");
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}
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depends.push_back(ruleFileName);
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std::string touchCmd = "@touch ";
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touchCmd += this->ConvertToRelativeOutputPath(depTarget.c_str());
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// TODO: Construct dependency generation rule and append command.
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commands.push_back(touchCmd);
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this->OutputMakeRule(ruleFileStream, depComment.c_str(), depTarget.c_str(),
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depends, commands);
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}
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// Write the requires rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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std::string reqComment = "requirements for ";
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reqComment += target.GetName();
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std::string reqTarget = target.GetName();
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reqTarget += ".requires";
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for(std::vector<std::string>::const_iterator obj = objects.begin();
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obj != objects.end(); ++obj)
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{
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depends.push_back(*obj);
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}
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depends.push_back(ruleFileName);
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this->OutputMakeRule(ruleFileStream, reqComment.c_str(), reqTarget.c_str(),
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depends, commands);
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}
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#if 0
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// Write the build rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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std::string buildComment = " target ";
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buildComment += objName;
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for(std::vector<std::string>::const_iterator obj = objects.begin();
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obj != objects.end(); ++obj)
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{
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depends.push_back(*obj);
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}
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depends.push_back(ruleFileName);
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std::string touchCmd = "@touch ";
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touchCmd += this->ConvertToRelativeOutputPath(obj.c_str());
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// TODO: Construct build rule and append command.
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commands.push_back(touchCmd);
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this->OutputMakeRule(ruleFileStream, buildComment.c_str(), obj.c_str(),
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depends, commands);
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}
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#endif
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}
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//----------------------------------------------------------------------------
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void
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cmLocalUnixMakefileGenerator2
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::GenerateObjectRuleFile(const cmTarget& target, const cmSourceFile& source)
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{
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// Get the full path name of the object file.
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std::string objName = this->GetObjectFileName(source);
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std::string obj = this->GetTargetDirectory(target);
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obj += "/";
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obj += objName;
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// Create the directory containing the object file. This may be a
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// subdirectory under the target's directory.
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std::string dir = cmSystemTools::GetFilenamePath(obj.c_str());
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cmSystemTools::MakeDirectory(dir.c_str());
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// If there is no dependencies file, create an empty one.
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std::string depFileName = obj;
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depFileName += ".depends.make";
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if(!cmSystemTools::FileExists(depFileName.c_str()))
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{
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std::ofstream depFileStream(depFileName.c_str());
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this->WriteDisclaimer(depFileStream);
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depFileStream
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<< "# Empty dependencies file for object file "
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<< objName.c_str() << ".\n"
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<< "# This may be replaced when dependencies are built.\n";
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}
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// Open the rule file. This should be copy-if-different because the
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// rules may depend on this file itself.
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std::string ruleFileName = obj;
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ruleFileName += ".make";
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cmGeneratedFileStream ruleFile(ruleFileName.c_str());
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std::ostream& ruleFileStream = ruleFile.GetStream();
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if(!ruleFileStream)
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{
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// TODO: Produce error message that accounts for generated stream
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// .tmp.
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return;
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}
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this->WriteDisclaimer(ruleFileStream);
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ruleFileStream
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<< "# Rule file for object file " << objName.c_str() << ".\n\n";
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// Include the dependencies for the target.
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ruleFileStream
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<< "# Include any dependencies generated for this rule.\n"
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<< m_IncludeDirective << " "
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<< this->ConvertToOutputForExisting(depFileName.c_str()).c_str()
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<< "\n\n";
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// Write the dependency generation rule.
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std::string depTarget = obj;
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depTarget += ".depends";
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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std::string depComment = "dependencies for ";
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depComment += objName;
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depends.push_back(source.GetFullPath());
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depends.push_back(ruleFileName);
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std::string touchCmd = "@touch ";
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touchCmd += this->ConvertToRelativeOutputPath(depTarget.c_str());
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// TODO: Construct dependency generation rule and append command.
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commands.push_back(touchCmd);
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this->OutputMakeRule(ruleFileStream, depComment.c_str(), depTarget.c_str(),
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depends, commands);
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}
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// Write the build rule.
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{
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std::vector<std::string> depends;
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std::vector<std::string> commands;
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std::string buildComment = "object ";
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buildComment += objName;
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depends.push_back(depTarget);
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depends.push_back(ruleFileName);
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std::string touchCmd = "@touch ";
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touchCmd += this->ConvertToRelativeOutputPath(obj.c_str());
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// TODO: Construct build rule and append command.
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commands.push_back(touchCmd);
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this->OutputMakeRule(ruleFileStream, buildComment.c_str(), obj.c_str(),
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depends, commands);
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}
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}
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//----------------------------------------------------------------------------
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void cmLocalUnixMakefileGenerator2::WriteDisclaimer(std::ostream& os)
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{
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os
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<< "# CMAKE generated file: DO NOT EDIT!\n"
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<< "# Generated by \"" << m_GlobalGenerator->GetName() << "\""
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<< " Generator, CMake Version "
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<< cmMakefile::GetMajorVersion() << "."
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<< cmMakefile::GetMinorVersion() << "\n\n";
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}
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//----------------------------------------------------------------------------
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std::string
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cmLocalUnixMakefileGenerator2
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::GetTargetDirectory(const cmTarget& target)
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{
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std::string dir = m_Makefile->GetStartOutputDirectory();
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dir += "/";
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dir += target.GetName();
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dir += ".dir";
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return dir;
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}
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//----------------------------------------------------------------------------
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std::string
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cmLocalUnixMakefileGenerator2
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::GetObjectFileName(const cmSourceFile& source)
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{
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// If the full path to the source file includes this directory,
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// we want to use the relative path for the filename of the
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// object file. Otherwise, we will use just the filename
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// portion.
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std::string objectName;
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if((cmSystemTools::GetFilenamePath(
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source.GetFullPath()).find(
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m_Makefile->GetCurrentDirectory()) == 0)
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|| (cmSystemTools::GetFilenamePath(
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source.GetFullPath()).find(
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m_Makefile->GetCurrentOutputDirectory()) == 0))
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{
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objectName = source.GetSourceName();
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}
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else
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{
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objectName = cmSystemTools::GetFilenameName(source.GetSourceName());
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}
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// Append the object file extension.
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objectName +=
|
|
m_GlobalGenerator->GetLanguageOutputExtensionFromExtension(
|
|
source.GetSourceExtension().c_str());
|
|
return objectName;
|
|
}
|