diff --git a/Source/cmLocalUnixMakefileGenerator2.cxx b/Source/cmLocalUnixMakefileGenerator2.cxx new file mode 100644 index 000000000..fc962479a --- /dev/null +++ b/Source/cmLocalUnixMakefileGenerator2.cxx @@ -0,0 +1,471 @@ +/*========================================================================= + + Program: CMake - Cross-Platform Makefile Generator + Module: $RCSfile$ + Language: C++ + Date: $Date$ + Version: $Revision$ + + Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. + See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ +#include "cmLocalUnixMakefileGenerator2.h" + +#include "cmGeneratedFileStream.h" +#include "cmGlobalGenerator.h" +#include "cmMakefile.h" +#include "cmSourceFile.h" + +//---------------------------------------------------------------------------- +cmLocalUnixMakefileGenerator2::cmLocalUnixMakefileGenerator2() +{ +} + +//---------------------------------------------------------------------------- +cmLocalUnixMakefileGenerator2::~cmLocalUnixMakefileGenerator2() +{ +} + +//---------------------------------------------------------------------------- +void cmLocalUnixMakefileGenerator2::Generate(bool fromTheTop) +{ + // TODO: Account for control-c during Makefile generation. + + // Generate old style for now. + this->cmLocalUnixMakefileGenerator::Generate(fromTheTop); + + // Generate the rule files for each target. + const cmTargets& targets = m_Makefile->GetTargets(); + for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t) + { + this->GenerateTargetRuleFile(t->second); + } + + // Generate the main makefile. + this->GenerateMakefile(); + + // Generate the cmake file that keeps the makefile up to date. + this->GenerateCMakefile(); +} + +//---------------------------------------------------------------------------- +void cmLocalUnixMakefileGenerator2::GenerateMakefile() +{ + std::string makefileName = m_Makefile->GetStartOutputDirectory(); + makefileName += "/Makefile2"; + std::string cmakefileName = makefileName; + cmakefileName += ".cmake"; + + // Open the output files. + std::ofstream makefileStream(makefileName.c_str()); + if(!makefileStream) + { + cmSystemTools::Error("Error can not open for write: ", + makefileName.c_str()); + cmSystemTools::ReportLastSystemError(""); + return; + } + + // Write the do not edit header. + this->WriteDisclaimer(makefileStream); + + // Write some rules to make things look nice. + makefileStream + << "# Disable some common implicit rules to speed things up.\n" + << ".SUFFIXES:\n" + << ".SUFFIXES:.hpuxmakemusthaverule\n\n"; + + // Write standard variables to the makefile. + this->OutputMakeVariables(makefileStream); + + // Build command to run CMake to check if anything needs regenerating. + std::string runRule = + "@$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)"; + runRule += " --check-rerun "; + runRule += this->ConvertToRelativeOutputPath(cmakefileName.c_str()); + + // Most unix makes will pass the command line flags to make down to + // sub-invoked makes via an environment variable. However, some + // makes do not support that, so you have to pass the flags + // explicitly. + const char* depRule = "$(MAKE) -f Makefile2 $(MAKESILENT) all.depends"; + const char* allRule = "$(MAKE) -f Makefile2 $(MAKESILENT) all"; + if(m_PassMakeflags) + { + depRule = "$(MAKE) -f Makefile2 $(MAKESILENT) -$(MAKEFLAGS) all.depends"; + allRule = "$(MAKE) -f Makefile2 $(MAKESILENT) -$(MAKEFLAGS) all"; + } + + // Write the main entry point target. This must be the VERY first + // target so that make with no arguments will run it. + { + std::vector depends; + std::vector commands; + //commands.push_back(runRule); + commands.push_back(depRule); + commands.push_back(allRule); + this->OutputMakeRule( + makefileStream, + "Default target executed when no arguments are given to make.", + "default_target", + depends, + commands); + } + + // Write special target to silence make output. This must be after + // the default target in case VERBOSE is set (which changes the name). + if(!m_Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE")) + { + makefileStream + << "# Suppress display of executed commands.\n" + << "$(VERBOSE).SILENT:\n\n"; + } + + // Get the set of targets. + const cmTargets& targets = m_Makefile->GetTargets(); + + // Output top level dependency rule. + { + std::vector depends; + std::vector commands; + for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t) + { + if(t->second.IsInAll()) + { + std::string dep = this->GetTargetDirectory(t->second); + dep += "/"; + dep += t->first; + dep += ".depends"; + depends.push_back(dep); + } + } + this->OutputMakeRule(makefileStream, "all dependencies", "all.depends", + depends, commands); + } + + // Output top level build rule. + { + std::vector depends; + std::vector commands; + for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t) + { + if(t->second.IsInAll()) + { + depends.push_back(t->first+".requires"); + } + } + this->OutputMakeRule(makefileStream, "all", "all", + depends, commands); + } + + // Write include statements to get rules for each target. + makefileStream + << "# Include target rule files.\n"; + for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t) + { + std::string ruleFileName = this->GetTargetDirectory(t->second); + ruleFileName += "/"; + ruleFileName += t->first; + ruleFileName += ".make"; + makefileStream + << m_IncludeDirective << " " + << this->ConvertToOutputForExisting(ruleFileName.c_str()).c_str() + << "\n"; + } +} + +//---------------------------------------------------------------------------- +void cmLocalUnixMakefileGenerator2::GenerateCMakefile() +{ + std::string makefileName = m_Makefile->GetStartOutputDirectory(); + makefileName += "/Makefile2"; + std::string cmakefileName = makefileName; + cmakefileName += ".cmake"; + + // Open the output file. + std::ofstream cmakefileStream(cmakefileName.c_str()); + if(!cmakefileStream) + { + cmSystemTools::Error("Error can not open for write: ", + cmakefileName.c_str()); + cmSystemTools::ReportLastSystemError(""); + return; + } + + // Write the do not edit header. + this->WriteDisclaimer(cmakefileStream); + + // Get the list of files contributing to this generation step. + // Sort the list and remove duplicates. + std::vector lfiles = m_Makefile->GetListFiles(); + std::sort(lfiles.begin(), lfiles.end(), std::less()); + std::vector::iterator new_end = std::unique(lfiles.begin(), + lfiles.end()); + lfiles.erase(new_end, lfiles.end()); + + // Save the list to the cmake file. + cmakefileStream + << "# The corresponding makefile\n" + << "# \"" << makefileName << "\"\n" + << "# was generated from the following files:\n" + << "SET(CMAKE_MAKEFILE_DEPENDS\n" + << " \"" << m_Makefile->GetHomeOutputDirectory() << "/CMakeCache.txt\"\n"; + for(std::vector::const_iterator i = lfiles.begin(); + i != lfiles.end(); ++i) + { + cmakefileStream + << " \"" << i->c_str() << "\"\n"; + } + cmakefileStream + << " )\n\n"; + + // Set the corresponding makefile in the cmake file. + cmakefileStream + << "# The corresponding makefile is:\n" + << "SET(CMAKE_MAKEFILE_OUTPUTS\n" + << " \"" << makefileName.c_str() << "\"\n" + << " )\n"; +} + +//---------------------------------------------------------------------------- +void +cmLocalUnixMakefileGenerator2 +::GenerateTargetRuleFile(const cmTarget& target) +{ + // Create a directory for this target. + std::string dir = this->GetTargetDirectory(target); + cmSystemTools::MakeDirectory(dir.c_str()); + + // First generate the object rule files. Save a list of all object + // files for this target. + std::vector objects; + const std::vector& sources = target.GetSourceFiles(); + for(std::vector::const_iterator source = sources.begin(); + source != sources.end(); ++source) + { + if(!(*source)->GetPropertyAsBool("HEADER_FILE_ONLY") && + !(*source)->GetCustomCommand()) + { + // Generate this object file's rule file. + this->GenerateObjectRuleFile(target, *(*source)); + + // Save the object file full path. + std::string obj = dir; + obj += "/"; + obj += this->GetObjectFileName(*(*source)); + objects.push_back(obj); + } + } + + // If there is no dependencies file, create an empty one. + std::string depFileName = dir; + depFileName += "/"; + depFileName += target.GetName(); + depFileName += ".depends.make"; + if(!cmSystemTools::FileExists(depFileName.c_str())) + { + std::ofstream depFileStream(depFileName.c_str()); + this->WriteDisclaimer(depFileStream); + depFileStream + << "# Empty dependencies file for target " << target.GetName() << ".\n" + << "# This may be replaced when dependencies are built.\n"; + } + + // Open the rule file. This should be copy-if-different because the + // rules may depend on this file itself. + std::string ruleFileName = dir; + ruleFileName += "/"; + ruleFileName += target.GetName(); + ruleFileName += ".make"; + cmGeneratedFileStream ruleFile(ruleFileName.c_str()); + std::ostream& ruleFileStream = ruleFile.GetStream(); + if(!ruleFileStream) + { + // TODO: Produce error message that accounts for generated stream + // .tmp. + return; + } + this->WriteDisclaimer(ruleFileStream); + ruleFileStream + << "# Rule file for target " << target.GetName() << ".\n\n"; + + // Include the dependencies for the target. + ruleFileStream + << "# Include any dependencies generated for this rule.\n" + << m_IncludeDirective << " " + << this->ConvertToOutputForExisting(depFileName.c_str()).c_str() + << "\n\n"; + + // Include the rule file for each object. + if(!objects.empty()) + { + ruleFileStream + << "# Include rules for object files.\n"; + for(std::vector::const_iterator obj = objects.begin(); + obj != objects.end(); ++obj) + { + std::string objRuleFileName = *obj; + objRuleFileName += ".make"; + ruleFileStream + << m_IncludeDirective << " " + << this->ConvertToOutputForExisting(objRuleFileName.c_str()).c_str() + << "\n"; + } + ruleFileStream + << "\n"; + } + + // Write the dependency generation rule. + { + std::vector depends; + std::vector commands; + std::string depComment = "dependencies for "; + depComment += target.GetName(); + std::string depTarget = dir; + depTarget += "/"; + depTarget += target.GetName(); + depTarget += ".depends"; + for(std::vector::const_iterator obj = objects.begin(); + obj != objects.end(); ++obj) + { + depends.push_back((*obj)+".depends"); + } + depends.push_back(ruleFileName); + std::string touchCmd = "@touch "; + touchCmd += this->ConvertToRelativeOutputPath(depTarget.c_str()); + // TODO: Construct dependency generation rule and append command. + commands.push_back(touchCmd); + this->OutputMakeRule(ruleFileStream, depComment.c_str(), depTarget.c_str(), + depends, commands); + } +} + +//---------------------------------------------------------------------------- +void +cmLocalUnixMakefileGenerator2 +::GenerateObjectRuleFile(const cmTarget& target, const cmSourceFile& source) +{ + // Get the full path name of the object file. + std::string objName = this->GetObjectFileName(source); + std::string obj = this->GetTargetDirectory(target); + obj += "/"; + obj += objName; + + // Create the directory containing the object file. This may be a + // subdirectory under the target's directory. + std::string dir = cmSystemTools::GetFilenamePath(obj.c_str()); + cmSystemTools::MakeDirectory(dir.c_str()); + + // If there is no dependencies file, create an empty one. + std::string depFileName = obj; + depFileName += ".depends.make"; + if(!cmSystemTools::FileExists(depFileName.c_str())) + { + std::ofstream depFileStream(depFileName.c_str()); + this->WriteDisclaimer(depFileStream); + depFileStream + << "# Empty dependencies file for object file " + << objName.c_str() << ".\n" + << "# This may be replaced when dependencies are built.\n"; + } + + // Open the rule file. This should be copy-if-different because the + // rules may depend on this file itself. + std::string ruleFileName = obj; + ruleFileName += ".make"; + cmGeneratedFileStream ruleFile(ruleFileName.c_str()); + std::ostream& ruleFileStream = ruleFile.GetStream(); + if(!ruleFileStream) + { + // TODO: Produce error message that accounts for generated stream + // .tmp. + return; + } + this->WriteDisclaimer(ruleFileStream); + ruleFileStream + << "# Rule file for object file " << objName.c_str() << ".\n\n"; + + // Include the dependencies for the target. + ruleFileStream + << "# Include any dependencies generated for this rule.\n" + << m_IncludeDirective << " " + << this->ConvertToOutputForExisting(depFileName.c_str()).c_str() + << "\n\n"; + + // Write the dependency generation rule. + { + std::vector depends; + std::vector commands; + std::string depComment = "dependencies for "; + depComment += objName; + std::string depTarget = obj; + depTarget += ".depends"; + depends.push_back(source.GetFullPath()); + depends.push_back(ruleFileName); + std::string touchCmd = "@touch "; + touchCmd += this->ConvertToRelativeOutputPath(depTarget.c_str()); + // TODO: Construct dependency generation rule and append command. + commands.push_back(touchCmd); + this->OutputMakeRule(ruleFileStream, depComment.c_str(), depTarget.c_str(), + depends, commands); + } +} + +//---------------------------------------------------------------------------- +void cmLocalUnixMakefileGenerator2::WriteDisclaimer(std::ostream& os) +{ + os + << "# CMAKE generated file: DO NOT EDIT!\n" + << "# Generated by \"" << m_GlobalGenerator->GetName() << "\"" + << " Generator, CMake Version " + << cmMakefile::GetMajorVersion() << "." + << cmMakefile::GetMinorVersion() << "\n\n"; +} + +//---------------------------------------------------------------------------- +std::string +cmLocalUnixMakefileGenerator2 +::GetTargetDirectory(const cmTarget& target) +{ + std::string dir = m_Makefile->GetStartOutputDirectory(); + dir += "/"; + dir += target.GetName(); + dir += ".dir"; + return dir; +} + +//---------------------------------------------------------------------------- +std::string +cmLocalUnixMakefileGenerator2 +::GetObjectFileName(const cmSourceFile& source) +{ + // If the full path to the source file includes this directory, + // we want to use the relative path for the filename of the + // object file. Otherwise, we will use just the filename + // portion. + std::string objectName; + if((cmSystemTools::GetFilenamePath( + source.GetFullPath()).find( + m_Makefile->GetCurrentDirectory()) == 0) + || (cmSystemTools::GetFilenamePath( + source.GetFullPath()).find( + m_Makefile->GetCurrentOutputDirectory()) == 0)) + { + objectName = source.GetSourceName(); + } + else + { + objectName = cmSystemTools::GetFilenameName(source.GetSourceName()); + } + + // Append the object file extension. + objectName += + m_GlobalGenerator->GetLanguageOutputExtensionFromExtension( + source.GetSourceExtension().c_str()); + return objectName; +} diff --git a/Source/cmLocalUnixMakefileGenerator2.h b/Source/cmLocalUnixMakefileGenerator2.h new file mode 100644 index 000000000..0fc901886 --- /dev/null +++ b/Source/cmLocalUnixMakefileGenerator2.h @@ -0,0 +1,63 @@ +/*========================================================================= + + Program: CMake - Cross-Platform Makefile Generator + Module: $RCSfile$ + Language: C++ + Date: $Date$ + Version: $Revision$ + + Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved. + See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ +#ifndef cmLocalUnixMakefileGenerator2_h +#define cmLocalUnixMakefileGenerator2_h + +#include "cmLocalUnixMakefileGenerator.h" + +class cmDependInformation; +class cmMakeDepend; +class cmTarget; +class cmSourceFile; + +/** \class cmLocalUnixMakefileGenerator2 + * \brief Write a LocalUnix makefiles. + * + * cmLocalUnixMakefileGenerator2 produces a LocalUnix makefile from its + * member m_Makefile. + */ +class cmLocalUnixMakefileGenerator2 : public cmLocalUnixMakefileGenerator +{ +public: + ///! Set cache only and recurse to false by default. + cmLocalUnixMakefileGenerator2(); + + virtual ~cmLocalUnixMakefileGenerator2(); + + /** + * Generate the makefile for this directory. fromTheTop indicates if this + * is being invoked as part of a global Generate or specific to this + * directory. The difference is that when done from the Top we might skip + * some steps to save time, such as dependency generation for the + * makefiles. This is done by a direct invocation from make. + */ + virtual void Generate(bool fromTheTop); +protected: + + void GenerateMakefile(); + void GenerateCMakefile(); + void GenerateTargetRuleFile(const cmTarget& target); + void GenerateObjectRuleFile(const cmTarget& target, + const cmSourceFile& source); + void WriteDisclaimer(std::ostream& os); + + std::string GetTargetDirectory(const cmTarget& target); + std::string GetObjectFileName(const cmSourceFile& source); +private: +}; + +#endif