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/*=========================================================================
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 "cmDepends.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include "cmake.h"
// Include dependency scanners for supported languages. Only the
// C/C++ scanner is needed for bootstrapping CMake.
#include "cmDependsC.h"
#ifdef CMAKE_BUILD_WITH_CMAKE
# include "cmDependsFortran.h"
# include "cmDependsJava.h"
#endif
#include <memory> // auto_ptr
#include <queue>
// TODO: Convert makefile name to a runtime switch.
#define CMLUMG_MAKEFILE_NAME "Makefile"
// TODO: Add "help" target.
// TODO: Identify remaining relative path violations.
// TODO: Need test for separate executable/library output path.
//----------------------------------------------------------------------------
cmLocalUnixMakefileGenerator2::cmLocalUnixMakefileGenerator2()
{
m_WindowsShell = false;
m_IncludeDirective = "include";
m_MakefileVariableSize = 0;
m_IgnoreLibPrefix = false;
m_PassMakeflags = false;
m_EchoNeedsQuote = true;
}
//----------------------------------------------------------------------------
cmLocalUnixMakefileGenerator2::~cmLocalUnixMakefileGenerator2()
{
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::SetEmptyCommand(const char* cmd)
{
m_EmptyCommands.clear();
if(cmd)
{
m_EmptyCommands.push_back(cmd);
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::Generate()
{
// Setup our configuration variables for this directory.
this->ConfigureOutputPaths();
// Generate the rule files for each target.
const cmTargets& targets = m_Makefile->GetTargets();
for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
{
if((t->second.GetType() == cmTarget::EXECUTABLE) ||
(t->second.GetType() == cmTarget::STATIC_LIBRARY) ||
(t->second.GetType() == cmTarget::SHARED_LIBRARY) ||
(t->second.GetType() == cmTarget::MODULE_LIBRARY))
{
this->GenerateTargetRuleFile(t->second);
}
else if(t->second.GetType() == cmTarget::UTILITY)
{
this->GenerateUtilityRuleFile(t->second);
}
}
// Generate the rule files for each custom command.
const std::vector<cmSourceFile*>& sources = m_Makefile->GetSourceFiles();
for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
i != sources.end(); ++i)
{
if(const cmCustomCommand* cc = (*i)->GetCustomCommand())
{
this->GenerateCustomRuleFile(*cc);
}
}
// Generate the main makefile.
this->GenerateMakefile();
// Generate the cmake file that keeps the makefile up to date.
this->GenerateCMakefile();
// Generate the cmake file with information for this directory.
this->GenerateDirectoryInformationFile();
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::GenerateMakefile()
{
// Open the output file. This should not be copy-if-different
// because the check-build-system step compares the makefile time to
// see if the build system must be regenerated.
std::string makefileName = m_Makefile->GetStartOutputDirectory();
makefileName += "/" CMLUMG_MAKEFILE_NAME;
cmGeneratedFileStream makefileStream(makefileName.c_str());
if(!makefileStream)
{
return;
}
// Write the do not edit header.
this->WriteDisclaimer(makefileStream);
// Write standard variables to the makefile.
this->WriteMakeVariables(makefileStream);
// Write special targets that belong at the top of the file.
this->WriteSpecialTargetsTop(makefileStream);
// Write rules to build dependencies and targets.
this->WriteAllRules(makefileStream);
// Write dependency generation rules.
this->WritePassRules(makefileStream, "depend");
this->WriteLocalRule(makefileStream, "depend", 0);
// Write main build rules.
this->WritePassRules(makefileStream, "build");
this->WriteLocalRule(makefileStream, "build", 0);
// Write clean rules.
this->WritePassRules(makefileStream, "clean");
this->WriteLocalCleanRule(makefileStream);
// Write include statements to get rules for this directory.
this->WriteRuleFileIncludes(makefileStream);
// Write jump-and-build rules that were recorded in the map.
this->WriteJumpAndBuildRules(makefileStream);
// Write special targets that belong at the bottom of the file.
this->WriteSpecialTargetsBottom(makefileStream);
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::GenerateCMakefile()
{
std::string makefileName = m_Makefile->GetStartOutputDirectory();
makefileName += "/" CMLUMG_MAKEFILE_NAME;
std::string cmakefileName = makefileName;
cmakefileName += ".cmake";
// Open the output file.
cmGeneratedFileStream cmakefileStream(cmakefileName.c_str());
if(!cmakefileStream)
{
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<std::string> lfiles = m_Makefile->GetListFiles();
std::sort(lfiles.begin(), lfiles.end(), std::less<std::string>());
std::vector<std::string>::iterator new_end = std::unique(lfiles.begin(),
lfiles.end());
lfiles.erase(new_end, lfiles.end());
// Build the path to the cache file.
std::string cache = m_Makefile->GetHomeOutputDirectory();
cache += "/CMakeCache.txt";
// Save the list to the cmake file.
cmakefileStream
<< "# The corresponding makefile\n"
<< "# \"" << this->ConvertToRelativePath(makefileName.c_str()).c_str() << "\"\n"
<< "# was generated from the following files:\n"
<< "SET(CMAKE_MAKEFILE_DEPENDS\n"
<< " \"" << this->ConvertToRelativePath(cache.c_str()).c_str() << "\"\n";
for(std::vector<std::string>::const_iterator i = lfiles.begin();
i != lfiles.end(); ++i)
{
cmakefileStream
<< " \"" << this->ConvertToRelativePath(i->c_str()).c_str()
<< "\"\n";
}
cmakefileStream
<< " )\n\n";
// Build the path to the cache check file.
std::string check = m_Makefile->GetHomeOutputDirectory();
check += "/cmake.check_cache";
// Set the corresponding makefile in the cmake file.
cmakefileStream
<< "# The corresponding makefile is:\n"
<< "SET(CMAKE_MAKEFILE_OUTPUTS\n"
<< " \"" << this->ConvertToRelativePath(makefileName.c_str()).c_str() << "\"\n"
<< " \"" << this->ConvertToRelativePath(check.c_str()).c_str() << "\"\n"
<< " \"CMakeDirectoryInformation.cmake\"\n"
<< " )\n\n";
// Set the set of files to check for dependency integrity.
cmakefileStream
<< "# The set of files whose dependency integrity should be checked:\n";
cmakefileStream
<< "SET(CMAKE_DEPENDS_LANGUAGES\n";
for(std::map<cmStdString, IntegrityCheckSet>::const_iterator
l = m_CheckDependFiles.begin();
l != m_CheckDependFiles.end(); ++l)
{
cmakefileStream
<< " \"" << l->first.c_str() << "\"\n";
}
cmakefileStream
<< " )\n";
for(std::map<cmStdString, IntegrityCheckSet>::const_iterator
l = m_CheckDependFiles.begin();
l != m_CheckDependFiles.end(); ++l)
{
cmakefileStream
<< "SET(CMAKE_DEPENDS_CHECK_" << l->first.c_str() << "\n";
for(std::set<cmStdString>::const_iterator i = l->second.begin();
i != l->second.end(); ++i)
{
cmakefileStream
<< " \"" << this->ConvertToRelativePath(i->c_str()).c_str() << "\"\n";
}
cmakefileStream
<< " )\n";
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::GenerateDirectoryInformationFile()
{
std::string infoFileName = m_Makefile->GetStartOutputDirectory();
infoFileName += "/CMakeDirectoryInformation.cmake";
// Open the output file.
cmGeneratedFileStream infoFileStream(infoFileName.c_str());
if(!infoFileStream)
{
return;
}
// Write the do not edit header.
this->WriteDisclaimer(infoFileStream);
// Tell the dependency scanner to use unix paths if necessary.
if(cmSystemTools::GetForceUnixPaths())
{
infoFileStream
<< "# Force unix paths in dependencies.\n"
<< "SET(CMAKE_FORCE_UNIX_PATHS 1)\n"
<< "\n";
}
// Store the include search path for this directory.
infoFileStream
<< "# The C and CXX include file search paths:\n";
infoFileStream
<< "SET(CMAKE_C_INCLUDE_PATH\n";
std::vector<std::string> includeDirs;
this->GetIncludeDirectories(includeDirs);
for(std::vector<std::string>::iterator i = includeDirs.begin();
i != includeDirs.end(); ++i)
{
infoFileStream
<< " \"" << this->ConvertToRelativePath(i->c_str()).c_str() << "\"\n";
}
infoFileStream
<< " )\n";
infoFileStream
<< "SET(CMAKE_CXX_INCLUDE_PATH ${CMAKE_C_INCLUDE_PATH})\n";
// Store the include regular expressions for this directory.
infoFileStream
<< "\n"
<< "# The C and CXX include file regular expressions for this directory.\n";
infoFileStream
<< "SET(CMAKE_C_INCLUDE_REGEX_SCAN ";
this->WriteCMakeArgument(infoFileStream,
m_Makefile->GetIncludeRegularExpression());
infoFileStream
<< ")\n";
infoFileStream
<< "SET(CMAKE_C_INCLUDE_REGEX_COMPLAIN ";
this->WriteCMakeArgument(infoFileStream,
m_Makefile->GetComplainRegularExpression());
infoFileStream
<< ")\n";
infoFileStream
<< "SET(CMAKE_CXX_INCLUDE_REGEX_SCAN ${CMAKE_C_INCLUDE_REGEX_SCAN})\n";
infoFileStream
<< "SET(CMAKE_CXX_INCLUDE_REGEX_COMPLAIN ${CMAKE_C_INCLUDE_REGEX_COMPLAIN})\n";
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::GenerateTargetRuleFile(const cmTarget& target)
{
// Create a directory for this target.
std::string dir = this->GetTargetDirectory(target);
cmSystemTools::MakeDirectory(this->ConvertToFullPath(dir).c_str());
// First generate the object rule files. Save a list of all object
// files for this target.
std::vector<std::string> objects;
std::vector<std::string> external_objects;
std::vector<std::string> provides_requires;
const std::vector<cmSourceFile*>& sources = target.GetSourceFiles();
for(std::vector<cmSourceFile*>::const_iterator source = sources.begin();
source != sources.end(); ++source)
{
if(!(*source)->GetPropertyAsBool("HEADER_FILE_ONLY") &&
!(*source)->GetCustomCommand())
{
if(!m_GlobalGenerator->IgnoreFile((*source)->GetSourceExtension().c_str()))
{
// Generate this object file's rule file.
this->GenerateObjectRuleFile(target, *(*source), objects,
provides_requires);
}
else if((*source)->GetPropertyAsBool("EXTERNAL_OBJECT"))
{
// This is an external object file. Just add it.
external_objects.push_back((*source)->GetFullPath());
}
}
}
// Generate the build-time dependencies file for this target.
std::string depBase = dir;
depBase += "/";
depBase += target.GetName();
// Construct the rule file name.
std::string ruleFileName = dir;
ruleFileName += "/";
ruleFileName += target.GetName();
ruleFileName += ".make";
// The rule file must be included by the makefile.
m_IncludeRuleFiles.push_back(ruleFileName);
// Open the rule file. This should be copy-if-different because the
// rules may depend on this file itself.
std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
ruleFileStream.SetCopyIfDifferent(true);
if(!ruleFileStream)
{
return;
}
this->WriteDisclaimer(ruleFileStream);
ruleFileStream
<< "# Rule file for target " << target.GetName() << ".\n\n";
// Include the rule file for each object.
if(!objects.empty())
{
ruleFileStream
<< "# Include make rules for object files.\n";
for(std::vector<std::string>::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 rule for this target type.
switch(target.GetType())
{
case cmTarget::STATIC_LIBRARY:
this->WriteStaticLibraryRule(ruleFileStream, ruleFileName.c_str(),
target, objects, external_objects,
provides_requires);
break;
case cmTarget::SHARED_LIBRARY:
this->WriteSharedLibraryRule(ruleFileStream, ruleFileName.c_str(),
target, objects, external_objects,
provides_requires);
break;
case cmTarget::MODULE_LIBRARY:
this->WriteModuleLibraryRule(ruleFileStream, ruleFileName.c_str(),
target, objects, external_objects,
provides_requires);
break;
case cmTarget::EXECUTABLE:
this->WriteExecutableRule(ruleFileStream, ruleFileName.c_str(),
target, objects, external_objects,
provides_requires);
break;
default:
break;
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::GenerateObjectRuleFile(const cmTarget& target, const cmSourceFile& source,
std::vector<std::string>& objects,
std::vector<std::string>& provides_requires)
{
// Identify the language of the source file.
const char* lang = this->GetSourceFileLanguage(source);
if(!lang)
{
// If language is not known, this is an error.
cmSystemTools::Error("Source file \"", source.GetFullPath().c_str(),
"\" has unknown type.");
return;
}
// Get the full path name of the object file.
std::string obj = this->GetObjectFileName(target, source);
// Avoid generating duplicate rules.
if(m_ObjectFiles.find(obj) == m_ObjectFiles.end())
{
m_ObjectFiles.insert(obj);
}
else
{
cmOStringStream err;
err << "Warning: Source file \""
<< source.GetSourceName().c_str() << "."
<< source.GetSourceExtension().c_str()
<< "\" is listed multiple times for target \"" << target.GetName()
<< "\".";
cmSystemTools::Message(err.str().c_str(), "Warning");
return;
}
// 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(this->ConvertToFullPath(dir).c_str());
// Generate the build-time dependencies file for this object file.
std::string depMakeFile;
std::string depMarkFile;
if(!this->GenerateDependsMakeFile(lang, obj.c_str(),
depMakeFile, depMarkFile))
{
cmSystemTools::Error("No dependency checker available for language \"",
lang, "\".");
return;
}
// Save this in the target's list of object files.
objects.push_back(obj);
// The object file should be checked for dependency integrity.
m_CheckDependFiles[lang].insert(obj);
// Open the rule file for writing. This should be copy-if-different
// because the rules may depend on this file itself.
std::string ruleFileName = obj;
ruleFileName += ".make";
std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
ruleFileStream.SetCopyIfDifferent(true);
if(!ruleFileStream)
{
return;
}
this->WriteDisclaimer(ruleFileStream);
ruleFileStream
<< "# Rule file for object file " << obj.c_str() << ".\n\n";
// Include the dependencies for the target.
ruleFileStream
<< "# Include any dependencies generated for this rule.\n"
<< m_IncludeDirective << " "
<< this->ConvertToOutputForExisting(depMakeFile.c_str()).c_str()
<< "\n\n";
// Create the list of dependencies known at cmake time. These are
// shared between the object file and dependency scanning rule.
std::vector<std::string> depends;
depends.push_back(source.GetFullPath());
if(const char* objectDeps = source.GetProperty("OBJECT_DEPENDS"))
{
std::vector<std::string> deps;
cmSystemTools::ExpandListArgument(objectDeps, deps);
for(std::vector<std::string>::iterator i = deps.begin();
i != deps.end(); ++i)
{
depends.push_back(i->c_str());
}
}
this->AppendRuleDepend(depends, ruleFileName.c_str());
// Write the dependency generation rule.
{
std::vector<std::string> commands;
std::string depEcho = "Scanning ";
depEcho += lang;
depEcho += " dependencies of ";
depEcho += this->ConvertToRelativeOutputPath(obj.c_str());
this->AppendEcho(commands, depEcho.c_str());
// Add a command to call CMake to scan dependencies. CMake will
// touch the corresponding depends file after scanning dependencies.
cmOStringStream depCmd;
// TODO: Account for source file properties and directory-level
// definitions when scanning for dependencies.
depCmd << "$(CMAKE_COMMAND) -E cmake_depends " << lang << " "
<< this->ConvertToRelativeOutputPath(obj.c_str()) << " "
<< this->ConvertToRelativeOutputPath(source.GetFullPath().c_str());
commands.push_back(depCmd.str());
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0,
depMarkFile.c_str(), depends, commands);
}
// Write the build rule.
{
// Build the set of compiler flags.
std::string flags;
// Add the export symbol definition for shared library objects.
bool shared = ((target.GetType() == cmTarget::SHARED_LIBRARY) ||
(target.GetType() == cmTarget::MODULE_LIBRARY));
if(shared)
{
flags += "-D";
if(const char* custom_export_name = target.GetProperty("DEFINE_SYMBOL"))
{
flags += custom_export_name;
}
else
{
std::string in = target.GetName();
in += "_EXPORTS";
flags += cmSystemTools::MakeCindentifier(in.c_str());
}
}
// Add flags from source file properties.
this->AppendFlags(flags, source.GetProperty("COMPILE_FLAGS"));
// Add language-specific flags.
this->AddLanguageFlags(flags, lang);
// Add shared-library flags if needed.
this->AddSharedFlags(flags, lang, shared);
// Add include directory flags.
this->AppendFlags(flags, this->GetIncludeFlags(lang));
// Get the output paths for source and object files.
std::string sourceFile =
this->ConvertToOptionallyRelativeOutputPath(source.GetFullPath().c_str());
std::string objectFile =
this->ConvertToRelativeOutputPath(obj.c_str());
// Construct the build message.
std::vector<std::string> commands;
std::string buildEcho = "Building ";
buildEcho += lang;
buildEcho += " object ";
buildEcho += this->ConvertToRelativeOutputPath(obj.c_str());
this->AppendEcho(commands, buildEcho.c_str());
// Construct the compile rules.
std::string compileRuleVar = "CMAKE_";
compileRuleVar += lang;
compileRuleVar += "_COMPILE_OBJECT";
std::string compileRule =
m_Makefile->GetRequiredDefinition(compileRuleVar.c_str());
cmSystemTools::ExpandListArgument(compileRule, commands);
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->ExpandRuleVariables(*i,
lang,
0, // no objects
0, // no target
0, // no link libs
sourceFile.c_str(),
objectFile.c_str(),
flags.c_str());
}
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0,
obj.c_str(), depends, commands);
}
// If the language needs provides-requires mode, create the
// corresponding targets.
if(strcmp(lang, "Fortran") == 0)
{
std::string objectRequires = obj;
std::string objectProvides = obj;
objectRequires += ".requires";
objectProvides += ".provides";
{
// Add the provides target to build the object file.
std::vector<std::string> no_commands;
std::vector<std::string> p_depends;
p_depends.push_back(obj);
this->WriteMakeRule(ruleFileStream, 0,
objectProvides.c_str(), p_depends, no_commands);
}
{
// Add the requires target to recursively build the provides
// target after needed information is up to date.
std::vector<std::string> no_depends;
std::vector<std::string> r_commands;
r_commands.push_back(this->GetRecursiveMakeCall(objectProvides.c_str()));
this->WriteMakeRule(ruleFileStream, 0,
objectRequires.c_str(), no_depends, r_commands);
}
// Add this to the set of provides-requires objects on the target.
provides_requires.push_back(objectRequires);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::GenerateCustomRuleFile(const cmCustomCommand& cc)
{
// Create a directory for custom rule files.
std::string dir = "CMakeCustomRules.dir";
cmSystemTools::MakeDirectory(this->ConvertToFullPath(dir).c_str());
// Convert the output name to a relative path if possible.
std::string output = this->ConvertToRelativePath(cc.GetOutput());
// Construct the name of the rule file by transforming the output
// name to a valid file name. Since the output is already a file
// everything but the path characters is valid.
std::string customName = output;
cmSystemTools::ReplaceString(customName, "../", "___");
cmSystemTools::ReplaceString(customName, "/", "_");
cmSystemTools::ReplaceString(customName, ":", "_");
std::string ruleFileName = dir;
ruleFileName += "/";
ruleFileName += customName;
ruleFileName += ".make";
// If this is a duplicate rule produce an error.
if(m_CustomRuleFiles.find(ruleFileName) != m_CustomRuleFiles.end())
{
cmSystemTools::Error("An output was found with multiple rules on how to build it for output: ",
cc.GetOutput());
return;
}
m_CustomRuleFiles.insert(ruleFileName);
// This rule should be included by the makefile.
m_IncludeRuleFiles.push_back(ruleFileName);
// Open the rule file. This should be copy-if-different because the
// rules may depend on this file itself.
std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
ruleFileStream.SetCopyIfDifferent(true);
if(!ruleFileStream)
{
return;
}
this->WriteDisclaimer(ruleFileStream);
ruleFileStream
<< "# Custom command rule file for " << output.c_str() << ".\n\n";
// Collect the commands.
std::vector<std::string> commands;
std::string preEcho = "Generating ";
preEcho += output;
this->AppendEcho(commands, preEcho.c_str());
this->AppendCustomCommand(commands, cc);
// Collect the dependencies.
std::vector<std::string> depends;
this->AppendCustomDepend(depends, cc);
// Add a dependency on the rule file itself.
this->AppendRuleDepend(depends, ruleFileName.c_str());
// Write the rule.
const char* comment = 0;
if(cc.GetComment() && *cc.GetComment())
{
comment = cc.GetComment();
}
this->WriteMakeRule(ruleFileStream, comment,
cc.GetOutput(), depends, commands);
// Write the clean rule for this custom command.
std::string cleanTarget = output;
cleanTarget += ".clean";
commands.clear();
depends.clear();
std::vector<std::string> cleanFiles;
cleanFiles.push_back(cc.GetOutput());
this->AppendCleanCommand(commands, cleanFiles);
this->WriteMakeRule(ruleFileStream,
"Clean the output of this custom command.",
cleanTarget.c_str(), depends, commands);
// Check whether to attach the clean rule.
bool attach = true;
if(const char* clean_no_custom =
m_Makefile->GetProperty("CLEAN_NO_CUSTOM"))
{
if(!cmSystemTools::IsOff(clean_no_custom))
{
attach = false;
}
}
// Attach the clean rule to the directory-level clean rule.
if(attach)
{
this->WriteLocalRule(ruleFileStream, "clean", cleanTarget.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::GenerateUtilityRuleFile(const cmTarget& target)
{
// Create a directory for utility rule files.
std::string dir = "CMakeCustomRules.dir";
cmSystemTools::MakeDirectory(this->ConvertToFullPath(dir).c_str());
// Construct the name of the rule file.
std::string ruleFileName = dir;
ruleFileName += "/";
ruleFileName += target.GetName();
ruleFileName += ".make";
// This rule should be included by the makefile.
m_IncludeRuleFiles.push_back(ruleFileName);
// Open the rule file. This should be copy-if-different because the
// rules may depend on this file itself.
std::string ruleFileNameFull = this->ConvertToFullPath(ruleFileName);
cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
ruleFileStream.SetCopyIfDifferent(true);
if(!ruleFileStream)
{
return;
}
this->WriteDisclaimer(ruleFileStream);
ruleFileStream
<< "# Utility rule file for " << target.GetName() << ".\n\n";
// Collect the commands and dependencies.
std::vector<std::string> commands;
std::vector<std::string> depends;
// Utility targets store their rules in post-build commands.
this->AppendCustomDepends(depends, target.GetPostBuildCommands());
this->AppendCustomCommands(commands, target.GetPostBuildCommands());
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends, target);
// Add a dependency on the rule file itself.
this->AppendRuleDepend(depends, ruleFileName.c_str());
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0,
target.GetName(), depends, commands);
// Add this to the list of build rules in this directory.
if(target.IsInAll())
{
this->WriteLocalRule(ruleFileStream, "build", target.GetName());
}
}
//----------------------------------------------------------------------------
bool
cmLocalUnixMakefileGenerator2
::GenerateDependsMakeFile(const std::string& lang, const char* objFile,
std::string& depMakeFile, std::string& depMarkFile)
{
// Construct a checker for the given language.
std::auto_ptr<cmDepends>
checker(this->GetDependsChecker(lang,
m_Makefile->GetStartOutputDirectory(),
objFile));
if(checker.get())
{
// Save the make and mark file names.
depMakeFile = checker->GetMakeFileName();
depMarkFile = checker->GetMarkFileName();
// Check the dependencies.
checker->Check();
return true;
}
return false;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteMakeRule(std::ostream& os,
const char* comment,
const char* target,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands)
{
// Make sure there is a target.
if(!target || !*target)
{
cmSystemTools::Error("No target for WriteMakeRule!");
return;
}
std::string replace;
// Write the comment describing the rule in the makefile.
if(comment)
{
replace = comment;
std::string::size_type lpos = 0;
std::string::size_type rpos;
while((rpos = replace.find('\n', lpos)) != std::string::npos)
{
os << "# " << replace.substr(lpos, rpos-lpos) << "\n";
lpos = rpos+1;
}
os << "# " << replace.substr(lpos) << "\n";
}
// Construct the left hand side of the rule.
replace = target;
std::string tgt = this->ConvertToRelativeOutputPath(replace.c_str());
tgt = this->ConvertToMakeTarget(tgt.c_str());
const char* space = "";
if(tgt.size() == 1)
{
// Add a space before the ":" to avoid drive letter confusion on
// Windows.
space = " ";
}
// Write the rule.
if(depends.empty())
{
// No dependencies. The commands will always run.
os << tgt.c_str() << space << ":\n";
}
else
{
// Split dependencies into multiple rule lines. This allows for
// very long dependency lists even on older make implementations.
for(std::vector<std::string>::const_iterator dep = depends.begin();
dep != depends.end(); ++dep)
{
replace = *dep;
replace = this->ConvertToRelativeOutputPath(replace.c_str());
replace = this->ConvertToMakeTarget(replace.c_str());
os << tgt.c_str() << space << ": " << replace.c_str() << "\n";
}
}
// Write the list of commands.
for(std::vector<std::string>::const_iterator i = commands.begin();
i != commands.end(); ++i)
{
replace = *i;
os << "\t" << replace.c_str() << "\n";
}
os << "\n";
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::WriteDivider(std::ostream& os)
{
os
<< "#======================================"
<< "=======================================\n";
}
//----------------------------------------------------------------------------
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";
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteMakeVariables(std::ostream& makefileStream)
{
this->WriteDivider(makefileStream);
makefileStream
<< "# Set environment variables for the build.\n"
<< "\n";
if(m_WindowsShell)
{
makefileStream
<< "!IF \"$(OS)\" == \"Windows_NT\"\n"
<< "NULL=\n"
<< "!ELSE\n"
<< "NULL=nul\n"
<< "!ENDIF\n";
}
else
{
makefileStream
<< "# The shell in which to execute make rules.\n"
<< "SHELL = /bin/sh\n"
<< "\n";
}
if(m_Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE"))
{
makefileStream
<< "# Produce verbose output by default.\n"
<< "VERBOSE = 1\n"
<< "\n";
}
std::string cmakecommand =
this->ConvertToOutputForExisting(
m_Makefile->GetRequiredDefinition("CMAKE_COMMAND"));
makefileStream
<< "# The CMake executable.\n"
<< "CMAKE_COMMAND = "
<< this->ConvertToRelativeOutputPath(cmakecommand.c_str()).c_str() << "\n"
<< "\n";
makefileStream
<< "# The command to remove a file.\n"
<< "RM = "
<< this->ConvertToRelativeOutputPath(cmakecommand.c_str()).c_str()
<< " -E remove -f\n"
<< "\n";
if(m_Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))
{
makefileStream
<< "# The program to use to edit the cache.\n"
<< "CMAKE_EDIT_COMMAND = "
<< (this->ConvertToOutputForExisting(
m_Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))) << "\n"
<< "\n";
}
makefileStream
<< "# The source directory corresponding to this makefile.\n"
<< "CMAKE_CURRENT_SOURCE = "
<< this->ConvertToRelativeOutputPath(m_Makefile->GetStartDirectory())
<< "\n"
<< "\n";
makefileStream
<< "# The build directory corresponding to this makefile.\n"
<< "CMAKE_CURRENT_BINARY = "
<< this->ConvertToRelativeOutputPath(m_Makefile->GetStartOutputDirectory())
<< "\n"
<< "\n";
makefileStream
<< "# The top-level source directory on which CMake was run.\n"
<< "CMAKE_SOURCE_DIR = "
<< this->ConvertToRelativeOutputPath(m_Makefile->GetHomeDirectory())
<< "\n"
<< "\n";
makefileStream
<< "# The top-level build directory on which CMake was run.\n"
<< "CMAKE_BINARY_DIR = "
<< this->ConvertToRelativeOutputPath(m_Makefile->GetHomeOutputDirectory())
<< "\n"
<< "\n";
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSpecialTargetsTop(std::ostream& makefileStream)
{
this->WriteDivider(makefileStream);
makefileStream
<< "# Special targets provided by cmake.\n"
<< "\n";
// Write the main entry point target. This must be the VERY first
// target so that make with no arguments will run it.
{
// Just depend on the all target to drive the build.
std::vector<std::string> depends;
std::vector<std::string> no_commands;
depends.push_back("all");
// Write the rule.
this->WriteMakeRule(makefileStream,
"Default target executed when no arguments are "
"given to make.",
"default_target",
depends,
no_commands);
}
// Write special "test" target to run ctest.
if(m_Makefile->IsOn("CMAKE_TESTING_ENABLED"))
{
std::string ctest;
if(m_Makefile->GetDefinition("CMake_BINARY_DIR"))
{
// We are building CMake itself. Use the ctest that comes with
// this version of CMake instead of the one used to build it.
ctest = m_ExecutableOutputPath;
ctest += "ctest";
ctest += cmSystemTools::GetExecutableExtension();
ctest = this->ConvertToRelativeOutputPath(ctest.c_str());
}
else
{
// We are building another project. Use the ctest that comes with
// the CMake building it.
ctest = m_Makefile->GetRequiredDefinition("CMAKE_COMMAND");
ctest = cmSystemTools::GetFilenamePath(ctest.c_str());
ctest += "/";
ctest += "ctest";
ctest += cmSystemTools::GetExecutableExtension();
ctest = this->ConvertToOutputForExisting(ctest.c_str());
}
std::vector<std::string> no_depends;
std::vector<std::string> commands;
this->AppendEcho(commands, "Running tests...");
std::string cmd = ctest;
cmd += " $(ARGS)";
commands.push_back(cmd);
this->WriteMakeRule(makefileStream,
"Special rule to drive testing with ctest.",
"test", no_depends, commands);
}
// Write special "install" target to run cmake_install.cmake script.
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
std::string cmd;
if(m_Makefile->GetDefinition("CMake_BINARY_DIR"))
{
// We are building CMake itself. We cannot use the original
// executable to install over itself.
cmd = m_ExecutableOutputPath;
cmd += "cmake";
cmd = this->ConvertToRelativeOutputPath(cmd.c_str());
}
else
{
cmd = "$(CMAKE_COMMAND)";
}
cmd += " -P cmake_install.cmake";
commands.push_back(cmd);
this->WriteMakeRule(makefileStream,
"Special rule to run installation script.",
"install", no_depends, commands);
}
// Write special "rebuild_cache" target to re-run cmake.
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
this->AppendEcho(commands, "Running CMake to regenerate build system...");
commands.push_back(
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake using make.",
"rebuild_cache",
no_depends,
commands);
}
// Use CMAKE_EDIT_COMMAND for the edit_cache rule if it is defined.
// Otherwise default to the interactive command-line interface.
if(m_Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
this->AppendEcho(commands, "Running CMake cache editor...");
commands.push_back(
"$(CMAKE_EDIT_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake cache editor using make.",
"edit_cache",
no_depends,
commands);
}
else
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
this->AppendEcho(commands,
"Running interactive CMake command-line interface...");
commands.push_back(
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) -i");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake cache editor using make.",
"edit_cache",
no_depends,
commands);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSpecialTargetsBottom(std::ostream& makefileStream)
{
this->WriteDivider(makefileStream);
makefileStream
<< "# Special targets to cleanup operation of make.\n"
<< "\n";
// Write special "cmake_check_build_system" target to run cmake with
// the --check-build-system flag.
{
// Build command to run CMake to check if anything needs regenerating.
std::string cmakefileName = m_Makefile->GetStartOutputDirectory();
cmakefileName += "/" CMLUMG_MAKEFILE_NAME ".cmake";
std::string runRule =
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
runRule += " --check-build-system ";
runRule += this->ConvertToRelativeOutputPath(cmakefileName.c_str());
std::vector<std::string> no_depends;
std::vector<std::string> commands;
commands.push_back(runRule);
this->WriteMakeRule(makefileStream,
"Special rule to run CMake to check the build system "
"integrity.\n"
"No rule that depends on this can have "
"commands that come from listfiles\n"
"because they might be regenerated.",
"cmake_check_build_system",
no_depends,
commands);
}
std::vector<std::string> no_commands;
// Write special target to silence make output. This must be after
// the default target in case VERBOSE is set (which changes the
// name). The setting of CMAKE_VERBOSE_MAKEFILE to ON will cause a
// "VERBOSE=1" to be added as a make variable which will change the
// name of this special target. This gives a make-time choice to
// the user.
std::vector<std::string> no_depends;
this->WriteMakeRule(makefileStream,
"Suppress display of executed commands.",
"$(VERBOSE).SILENT",
no_depends,
no_commands);
// Special target to cleanup operation of make tool.
std::vector<std::string> depends;
this->WriteMakeRule(makefileStream,
"Disable implicit rules so canoncical targets will work.",
".SUFFIXES",
depends,
no_commands);
// Add a fake suffix to keep HP happy. Must be max 32 chars for SGI make.
depends.push_back(".hpux_make_needs_suffix_list");
this->WriteMakeRule(makefileStream, 0,
".SUFFIXES", depends, no_commands);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteAllRules(std::ostream& makefileStream)
{
// Write section header.
this->WriteDivider(makefileStream);
makefileStream
<< "# Rules to build dependencies and targets.\n"
<< "\n";
// Write rules to traverse the directory tree building dependencies
// and targets.
this->WriteDriverRules(makefileStream, "all", "depend.local", "build.local");
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WritePassRules(std::ostream& makefileStream, const char* pass)
{
// Write section header.
this->WriteDivider(makefileStream);
makefileStream
<< "# Rules for the " << pass << " pass.\n"
<< "\n";
// Write rules to traverse the directory tree for this pass.
std::string passLocal = pass;
passLocal += ".local";
this->WriteDriverRules(makefileStream, pass, passLocal.c_str());
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteDriverRules(std::ostream& makefileStream, const char* pass,
const char* local1, const char* local2)
{
// Write a set of targets that will traverse the directory structure
// in order and build given local targets in each directory.
// The dependencies and commands generated for this rule must not
// depend on listfile contents because the build system check might
// regenerate the makefile but it might not get read again by make
// before the commands run.
std::vector<std::string> depends;
std::vector<std::string> commands;
// Add directory start message.
std::string preEcho = "Entering directory ";
preEcho += m_Makefile->GetStartOutputDirectory();
this->AppendEcho(commands, preEcho.c_str());
// Check the build system in this directory.
depends.push_back("cmake_check_build_system");
// Recursively handle pre-order directories.
std::string preTarget = pass;
preTarget += ".pre-order";
commands.push_back(this->GetRecursiveMakeCall(preTarget.c_str()));
// Recursively build the local targets in this directory.
if(local1)
{
commands.push_back(this->GetRecursiveMakeCall(local1));
}
if(local2)
{
commands.push_back(this->GetRecursiveMakeCall(local2));
}
// Recursively handle post-order directories.
std::string postTarget = pass;
postTarget += ".post-order";
commands.push_back(this->GetRecursiveMakeCall(postTarget.c_str()));
// Add directory end message.
std::string postEcho = "Finished directory ";
postEcho += m_Makefile->GetStartOutputDirectory();
this->AppendEcho(commands, postEcho.c_str());
// Write the rule.
this->WriteMakeRule(makefileStream, 0,
pass, depends, commands);
// Write the subdirectory traversal rules.
this->WriteSubdirRules(makefileStream, pass);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSubdirRules(std::ostream& makefileStream, const char* pass)
{
// Iterate through subdirectories. Only entries in which the
// boolean is true should be included. Keep track of the last
// pre-order and last post-order rule created so that ordering can
// be enforced.
std::string lastPre = "";
std::string lastPost = "";
for(std::vector<cmLocalGenerator*>::const_iterator
i = this->Children.begin(); i != this->Children.end(); ++i)
{
if(!(*i)->GetExcludeAll())
{
// Construct the name of the subdirectory relative to this
// directory.
std::string subdir =
this->ConvertToRelativePath((*i)->GetMakefile()->GetStartOutputDirectory());
// Add the subdirectory rule either for pre-order or post-order.
if((*i)->GetMakefile()->GetPreOrder())
{
this->WriteSubdirRule(makefileStream, pass, subdir.c_str(), lastPre);
}
else
{
this->WriteSubdirRule(makefileStream, pass, subdir.c_str(), lastPost);
}
}
}
// Write the subdir driver rules. Hook them to the last
// subdirectory of their corresponding order.
this->WriteSubdirDriverRule(makefileStream, pass, "pre", lastPre);
this->WriteSubdirDriverRule(makefileStream, pass, "post", lastPost);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSubdirRule(std::ostream& makefileStream, const char* pass,
const char* subdir, std::string& last)
{
std::vector<std::string> depends;
std::vector<std::string> commands;
// Construct the name of the subdirectory rule.
std::string tgt = this->GetSubdirTargetName(pass, subdir);
if(m_WindowsShell)
{
// On Windows we must perform each step separately and then change
// back because the shell keeps the working directory between
// commands.
std::string cmd = "cd ";
cmd += this->ConvertToOutputForExisting(subdir);
commands.push_back(cmd);
// Build the target for this pass.
commands.push_back(this->GetRecursiveMakeCall(pass));
// Change back to the starting directory. Any trailing slash must
// be removed to avoid problems with Borland Make.
std::string back =
cmSystemTools::RelativePath(subdir,
m_Makefile->GetStartOutputDirectory());
if(back.size() && back[back.size()-1] == '/')
{
back = back.substr(0, back.size()-1);
}
cmd = "cd ";
cmd += this->ConvertToOutputForExisting(back.c_str());
commands.push_back(cmd);
}
else
{
// On UNIX we must construct a single shell command to change
// directory and build because make resets the directory between
// each command.
std::string cmd = "cd ";
cmd += this->ConvertToOutputForExisting(subdir);
// Build the target for this pass.
cmd += " && ";
cmd += this->GetRecursiveMakeCall(pass);
// Add the command as a single line.
commands.push_back(cmd);
}
// Depend on the last directory written out to enforce ordering.
if(last.size() > 0)
{
depends.push_back(last);
}
// Write the rule.
this->WriteMakeRule(makefileStream, 0, tgt.c_str(), depends, commands);
// This rule is now the last one written.
last = tgt;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSubdirDriverRule(std::ostream& makefileStream, const char* pass,
const char* order, const std::string& last)
{
// This rule corresponds to a particular pass (all, clean, etc). It
// dispatches the build into subdirectories in pre- or post-order.
std::vector<std::string> depends;
std::vector<std::string> commands;
if(last.size())
{
// Use the dependency to drive subdirectory processing.
depends.push_back(last);
}
else
{
// There are no subdirectories. Use the empty commands to avoid
// make errors on some platforms.
commands = m_EmptyCommands;
}
// Build comment to describe purpose.
std::string comment = "Driver target for ";
comment += order;
comment += "-order subdirectories during the ";
comment += pass;
comment += " pass.";
// Build the make target name.
std::string tgt = pass;
tgt += ".";
tgt += order;
tgt += "-order";
// Write the rule.
this->WriteMakeRule(makefileStream, comment.c_str(),
tgt.c_str(), depends, commands);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteLocalRule(std::ostream& ruleFileStream, const char* pass,
const char* dependency)
{
std::string localTarget = pass;
localTarget += ".local";
if(dependency)
{
std::string comment = "Include this target in the \"";
comment += pass;
comment += "\" pass for this directory.";
std::vector<std::string> depends;
std::vector<std::string> no_commands;
depends.push_back(dependency);
this->WriteMakeRule(ruleFileStream, comment.c_str(),
localTarget.c_str(), depends, no_commands);
}
else
{
std::vector<std::string> no_depends;
std::vector<std::string> commands = m_EmptyCommands;
this->WriteMakeRule(ruleFileStream,
"Local rule is empty by default. "
"Targets may add dependencies.",
localTarget.c_str(), no_depends, commands);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteConvenienceRules(std::ostream& ruleFileStream, const cmTarget& target,
const char* targetOutPath)
{
// Add a rule to build the target by name.
std::string localName = this->GetFullTargetName(target.GetName(), target);
localName = this->ConvertToRelativeOutputPath(localName.c_str());
this->WriteConvenienceRule(ruleFileStream, targetOutPath,
localName.c_str());
// Add a target with the canonical name (no prefix, suffix or path).
if(localName != target.GetName())
{
this->WriteConvenienceRule(ruleFileStream, targetOutPath,
target.GetName());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteConvenienceRule(std::ostream& ruleFileStream,
const char* realTarget,
const char* helpTarget)
{
// A rule is only needed if the names are different.
if(strcmp(realTarget, helpTarget) != 0)
{
// The helper target depends on the real target.
std::vector<std::string> depends;
depends.push_back(realTarget);
// There are no commands.
std::vector<std::string> no_commands;
// Write the rule.
this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
helpTarget, depends, no_commands);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteRuleFileIncludes(std::ostream& makefileStream)
{
// Make sure we have some rules to include.
if(m_IncludeRuleFiles.empty())
{
return;
}
// Write section header.
this->WriteDivider(makefileStream);
makefileStream
<< "# Include rule files for this directory.\n"
<< "\n";
// Write the include rules.
for(std::vector<std::string>::const_iterator i = m_IncludeRuleFiles.begin();
i != m_IncludeRuleFiles.end(); ++i)
{
makefileStream
<< m_IncludeDirective << " "
<< this->ConvertToOutputForExisting(i->c_str()).c_str()
<< "\n";
}
makefileStream << "\n";
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteExecutableRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
const std::vector<std::string>& provides_requires)
{
// Write the dependency generation rule.
this->WriteTargetDependsRule(ruleFileStream, ruleFileName, target, objects);
std::vector<std::string> commands;
// Build list of dependencies.
std::vector<std::string> depends;
for(std::vector<std::string>::const_iterator obj = objects.begin();
obj != objects.end(); ++obj)
{
depends.push_back(*obj);
}
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends, target);
// Add a dependency on the rule file itself.
this->AppendRuleDepend(depends, ruleFileName);
// Construct the full path to the executable that will be generated.
std::string targetFullPath = m_ExecutableOutputPath;
if(targetFullPath.length() == 0)
{
targetFullPath = m_Makefile->GetStartOutputDirectory();
targetFullPath += "/";
}
#ifdef __APPLE__
if(target.GetPropertyAsBool("MACOSX_BUNDLE"))
{
// Make bundle directories
targetFullPath += target.GetName();
targetFullPath += ".app/Contents/MacOS/";
}
#endif
targetFullPath += target.GetName();
targetFullPath += cmSystemTools::GetExecutableExtension();
// Convert to the output path to use in constructing commands.
std::string targetOutPath =
this->ConvertToRelativeOutputPath(targetFullPath.c_str());
// Get the language to use for linking this executable.
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
// Make sure we have a link language.
if(!linkLanguage)
{
cmSystemTools::Error("Cannot determine link language for target \"",
target.GetName(), "\".");
return;
}
// Add the link message.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
buildEcho += " executable ";
buildEcho += targetOutPath;
this->AppendEcho(commands, buildEcho.c_str());
// Build a list of compiler flags and linker flags.
std::string flags;
std::string linkFlags;
// Add flags to create an executable.
this->AddConfigVariableFlags(linkFlags, "CMAKE_EXE_LINKER_FLAGS");
if(target.GetPropertyAsBool("WIN32_EXECUTABLE"))
{
this->AppendFlags(linkFlags,
m_Makefile->GetDefinition("CMAKE_CREATE_WIN32_EXE"));
}
else
{
this->AppendFlags(linkFlags,
m_Makefile->GetDefinition("CMAKE_CREATE_CONSOLE_EXE"));
}
// Add language-specific flags.
this->AddLanguageFlags(flags, linkLanguage);
// Add flags to deal with shared libraries. Any library being
// linked in might be shared, so always use shared flags for an
// executable.
this->AddSharedFlags(flags, linkLanguage, true);
// Add target-specific linker flags.
this->AppendFlags(linkFlags, target.GetProperty("LINK_FLAGS"));
// Add the pre-build and pre-link rules.
this->AppendCustomCommands(commands, target.GetPreBuildCommands());
this->AppendCustomCommands(commands, target.GetPreLinkCommands());
// Construct the main link rule.
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_LINK_EXECUTABLE";
std::string linkRule = m_Makefile->GetRequiredDefinition(linkRuleVar.c_str());
cmSystemTools::ExpandListArgument(linkRule, commands);
// Add the post-build rules.
this->AppendCustomCommands(commands, target.GetPostBuildCommands());
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
this->OutputLinkLibraries(linklibs, 0, target);
// Construct object file lists that may be needed to expand the
// rule.
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(ruleFileStream, target, objects, external_objects,
variableName, variableNameExternal);
std::string buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
std::string cleanObjs = "$(";
cleanObjs += variableName;
cleanObjs += ")";
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->ExpandRuleVariables(*i,
linkLanguage,
buildObjs.c_str(),
targetOutPath.c_str(),
linklibs.str().c_str(),
0,
0,
flags.c_str(),
0,
0,
0,
linkFlags.c_str());
}
// Write the build rule.
this->WriteMakeRule(ruleFileStream, 0,
targetFullPath.c_str(), depends, commands);
// Write convenience targets.
this->WriteConvenienceRules(ruleFileStream, target, targetOutPath.c_str());
// Write clean target.
std::vector<std::string> cleanFiles;
cleanFiles.push_back(targetOutPath.c_str());
cleanFiles.push_back(cleanObjs);
this->WriteTargetCleanRule(ruleFileStream, target, cleanFiles);
// Write the driving make target.
this->WriteTargetRequiresRule(ruleFileStream, target, provides_requires);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteStaticLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
const std::vector<std::string>& provides_requires)
{
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_STATIC_LIBRARY";
std::string extraFlags;
this->AppendFlags(extraFlags, target.GetProperty("STATIC_LIBRARY_FLAGS"));
this->WriteLibraryRule(ruleFileStream, ruleFileName, target,
objects, external_objects,
linkRuleVar.c_str(), extraFlags.c_str(),
provides_requires);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSharedLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
const std::vector<std::string>& provides_requires)
{
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_SHARED_LIBRARY";
std::string extraFlags;
this->AppendFlags(extraFlags, target.GetProperty("LINK_FLAGS"));
this->AddConfigVariableFlags(extraFlags, "CMAKE_SHARED_LINKER_FLAGS");
if(m_Makefile->IsOn("WIN32") && !(m_Makefile->IsOn("CYGWIN") || m_Makefile->IsOn("MINGW")))
{
const std::vector<cmSourceFile*>& sources = target.GetSourceFiles();
for(std::vector<cmSourceFile*>::const_iterator i = sources.begin();
i != sources.end(); ++i)
{
if((*i)->GetSourceExtension() == "def")
{
extraFlags += " ";
extraFlags += m_Makefile->GetSafeDefinition("CMAKE_LINK_DEF_FILE_FLAG");
extraFlags += this->ConvertToRelativeOutputPath((*i)->GetFullPath().c_str());
}
}
}
this->WriteLibraryRule(ruleFileStream, ruleFileName, target,
objects, external_objects,
linkRuleVar.c_str(), extraFlags.c_str(),
provides_requires);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteModuleLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
const std::vector<std::string>& provides_requires)
{
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
std::string linkRuleVar = "CMAKE_";
linkRuleVar += linkLanguage;
linkRuleVar += "_CREATE_SHARED_MODULE";
std::string extraFlags;
this->AppendFlags(extraFlags, target.GetProperty("LINK_FLAGS"));
this->AddConfigVariableFlags(extraFlags, "CMAKE_MODULE_LINKER_FLAGS");
// TODO: .def files should be supported here also.
this->WriteLibraryRule(ruleFileStream, ruleFileName, target,
objects, external_objects,
linkRuleVar.c_str(), extraFlags.c_str(),
provides_requires);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
const char* linkRuleVar,
const char* extraFlags,
const std::vector<std::string>& provides_requires)
{
// Write the dependency generation rule.
this->WriteTargetDependsRule(ruleFileStream, ruleFileName, target, objects);
// TODO: Merge the methods that call this method to avoid
// code duplication.
std::vector<std::string> commands;
// Build list of dependencies.
std::vector<std::string> depends;
for(std::vector<std::string>::const_iterator obj = objects.begin();
obj != objects.end(); ++obj)
{
depends.push_back(*obj);
}
for(std::vector<std::string>::const_iterator obj = external_objects.begin();
obj != external_objects.end(); ++obj)
{
depends.push_back(*obj);
}
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends, target);
// Add a dependency on the rule file itself.
this->AppendRuleDepend(depends, ruleFileName);
// Get the language to use for linking this library.
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
// Make sure we have a link language.
if(!linkLanguage)
{
cmSystemTools::Error("Cannot determine link language for target \"",
target.GetName(), "\".");
return;
}
// Create set of linking flags.
std::string linkFlags;
this->AppendFlags(linkFlags, extraFlags);
// Construct the name of the library.
std::string targetName;
std::string targetNameSO;
std::string targetNameReal;
std::string targetNameBase;
this->GetLibraryNames(target,
targetName, targetNameSO,
targetNameReal, targetNameBase);
// Construct the full path version of the names.
std::string outpath = m_LibraryOutputPath;
if(outpath.length() == 0)
{
outpath = m_Makefile->GetStartOutputDirectory();
outpath += "/";
}
std::string targetFullPath = outpath + targetName;
std::string targetFullPathSO = outpath + targetNameSO;
std::string targetFullPathReal = outpath + targetNameReal;
std::string targetFullPathBase = outpath + targetNameBase;
// Construct the output path version of the names for use in command
// arguments.
std::string targetOutPath = this->ConvertToRelativeOutputPath(targetFullPath.c_str());
std::string targetOutPathSO = this->ConvertToRelativeOutputPath(targetFullPathSO.c_str());
std::string targetOutPathReal = this->ConvertToRelativeOutputPath(targetFullPathReal.c_str());
std::string targetOutPathBase = this->ConvertToRelativeOutputPath(targetFullPathBase.c_str());
// Add the link message.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
switch(target.GetType())
{
case cmTarget::STATIC_LIBRARY:
buildEcho += " static library "; break;
case cmTarget::SHARED_LIBRARY:
buildEcho += " shared library "; break;
case cmTarget::MODULE_LIBRARY:
buildEcho += " shared module "; break;
default:
buildEcho += " library "; break;
}
buildEcho += targetOutPath.c_str();
this->AppendEcho(commands, buildEcho.c_str());
// Add a command to remove any existing files for this library.
std::vector<std::string> cleanFiles;
cleanFiles.push_back(targetFullPathReal);
if(targetOutPathSO != targetOutPathReal)
{
cleanFiles.push_back(targetFullPathSO);
}
if(targetOutPath != targetOutPathSO &&
targetOutPath != targetOutPathReal)
{
cleanFiles.push_back(targetFullPath);
}
this->AppendCleanCommand(commands, cleanFiles);
// Add the pre-build and pre-link rules.
this->AppendCustomCommands(commands, target.GetPreBuildCommands());
this->AppendCustomCommands(commands, target.GetPreLinkCommands());
// Construct the main link rule.
std::string linkRule = m_Makefile->GetRequiredDefinition(linkRuleVar);
cmSystemTools::ExpandListArgument(linkRule, commands);
// Add a rule to create necessary symlinks for the library.
if(targetOutPath != targetOutPathReal)
{
std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_library ";
symlink += targetOutPathReal;
symlink += " ";
symlink += targetOutPathSO;
symlink += " ";
symlink += targetOutPath;
commands.push_back(symlink);
}
// Add the post-build rules.
this->AppendCustomCommands(commands, target.GetPostBuildCommands());
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
this->OutputLinkLibraries(linklibs, target.GetName(), target);
// Construct object file lists that may be needed to expand the
// rule.
std::string variableName;
std::string variableNameExternal;
this->WriteObjectsVariable(ruleFileStream, target, objects, external_objects,
variableName, variableNameExternal);
std::string buildObjs = "$(";
buildObjs += variableName;
buildObjs += ") $(";
buildObjs += variableNameExternal;
buildObjs += ")";
std::string cleanObjs = "$(";
cleanObjs += variableName;
cleanObjs += ")";
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->ExpandRuleVariables(*i,
linkLanguage,
buildObjs.c_str(),
targetOutPathReal.c_str(),
linklibs.str().c_str(),
0, 0, 0, buildObjs.c_str(),
targetOutPathBase.c_str(),
targetNameSO.c_str(),
linkFlags.c_str());
}
// Write the build rule.
this->WriteMakeRule(ruleFileStream, 0,
targetFullPath.c_str(), depends, commands);
// Write convenience targets.
this->WriteConvenienceRules(ruleFileStream, target, targetOutPath.c_str());
// Write clean target.
cleanFiles.push_back(cleanObjs);
this->WriteTargetCleanRule(ruleFileStream, target, cleanFiles);
// Write the driving make target.
this->WriteTargetRequiresRule(ruleFileStream, target, provides_requires);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteObjectsVariable(std::ostream& ruleFileStream,
const cmTarget& target,
const std::vector<std::string>& objects,
const std::vector<std::string>& external_objects,
std::string& variableName,
std::string& variableNameExternal)
{
// Write a make variable assignment that lists all objects for the
// target.
variableName = this->CreateMakeVariable(target.GetName(), "_OBJECTS");
ruleFileStream
<< "# Object files for target " << target.GetName() << "\n"
<< variableName.c_str() << " =";
for(std::vector<std::string>::const_iterator i = objects.begin();
i != objects.end(); ++i)
{
std::string object = this->ConvertToRelativePath(i->c_str());
ruleFileStream
<< " \\\n"
<< this->ConvertToQuotedOutputPath(object.c_str());
}
ruleFileStream
<< "\n";
// Write a make variable assignment that lists all external objects
// for the target.
variableNameExternal = this->CreateMakeVariable(target.GetName(),
"_EXTERNAL_OBJECTS");
ruleFileStream
<< "\n"
<< "# External object files for target " << target.GetName() << "\n"
<< variableNameExternal.c_str() << " =";
for(std::vector<std::string>::const_iterator i = external_objects.begin();
i != external_objects.end(); ++i)
{
std::string object = this->ConvertToRelativePath(i->c_str());
ruleFileStream
<< " \\\n"
<< this->ConvertToQuotedOutputPath(object.c_str());
}
ruleFileStream
<< "\n"
<< "\n";
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteTargetDependsRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
const std::vector<std::string>& objects)
{
std::vector<std::string> depends;
std::vector<std::string> no_commands;
// Construct the name of the dependency generation target.
std::string depTarget = this->GetTargetDirectory(target);
depTarget += "/";
depTarget += target.GetName();
depTarget += ".depends";
// This target drives dependency generation for all object files.
for(std::vector<std::string>::const_iterator obj = objects.begin();
obj != objects.end(); ++obj)
{
depends.push_back((*obj)+".depends");
}
// Depend on the rule file itself.
this->AppendRuleDepend(depends, ruleFileName);
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0,
depTarget.c_str(), depends, no_commands);
// Add this to the list of depends rules in this directory.
if(target.IsInAll())
{
this->WriteLocalRule(ruleFileStream, "depend", depTarget.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteTargetCleanRule(std::ostream& ruleFileStream,
const cmTarget& target,
const std::vector<std::string>& files)
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
// Construct the clean target name.
std::string cleanTarget = target.GetName();
cleanTarget += ".clean";
// Construct the clean command.
this->AppendCleanCommand(commands, files);
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0,
cleanTarget.c_str(), no_depends, commands);
// Add this to the list of clean rules in this directory.
if(target.IsInAll())
{
this->WriteLocalRule(ruleFileStream, "clean", cleanTarget.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteTargetRequiresRule(std::ostream& ruleFileStream, const cmTarget& target,
const std::vector<std::string>& provides_requires)
{
// Create the driving make target.
std::string targetRequires = target.GetName();
targetRequires += ".requires";
std::string comment = "Directory-level driver rulue for this target.";
if(provides_requires.empty())
{
// No provides-requires mode objects in this target. Anything
// that requires the target can build it directly.
std::vector<std::string> no_commands;
std::vector<std::string> depends;
depends.push_back(target.GetName());
this->WriteMakeRule(ruleFileStream, comment.c_str(),
targetRequires.c_str(), depends, no_commands);
}
else
{
// There are provides-requires mode objects in this target. Use
// provides-requires mode to build the target itself.
std::string targetProvides = target.GetName();
targetProvides += ".provides";
{
std::vector<std::string> no_commands;
std::vector<std::string> depends;
depends.push_back(target.GetName());
this->WriteMakeRule(ruleFileStream, 0,
targetProvides.c_str(), depends, no_commands);
}
{
// Build list of require-level dependencies.
std::vector<std::string> depends;
for(std::vector<std::string>::const_iterator
pr = provides_requires.begin();
pr != provides_requires.end(); ++pr)
{
depends.push_back(*pr);
}
// Write the requires rule for this target.
std::vector<std::string> commands;
commands.push_back(this->GetRecursiveMakeCall(targetProvides.c_str()));
this->WriteMakeRule(ruleFileStream, comment.c_str(),
targetRequires.c_str(), depends, commands);
}
}
// Add this to the list of build rules in this directory.
if(target.IsInAll())
{
this->WriteLocalRule(ruleFileStream, "build", targetRequires.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteLocalCleanRule(std::ostream& makefileStream)
{
// Collect a list of extra files to clean in this directory.
std::vector<std::string> files;
// Look for files registered for cleaning in this directory.
if(const char* additional_clean_files =
m_Makefile->GetProperty("ADDITIONAL_MAKE_CLEAN_FILES"))
{
cmSystemTools::ExpandListArgument(additional_clean_files, files);
}
// Write the local clean rule for this directory.
if(files.empty())
{
// No extra files to clean. Write an empty rule.
this->WriteLocalRule(makefileStream, "clean", 0);
}
else
{
// Have extra files to clean. Write the action to remove them.
std::vector<std::string> no_depends;
std::vector<std::string> commands;
this->AppendCleanCommand(commands, files);
this->WriteMakeRule(makefileStream,
"Clean extra files in this directory.",
"clean.local", no_depends, commands);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteCMakeArgument(std::ostream& os, const char* s)
{
// Write the given string to the stream with escaping to get it back
// into CMake through the lexical scanner.
os << "\"";
for(const char* c = s; *c; ++c)
{
if(*c == '\\')
{
os << "\\\\";
}
else if(*c == '"')
{
os << "\\\"";
}
else
{
os << *c;
}
}
os << "\"";
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GetTargetDirectory(const cmTarget& target)
{
std::string dir = target.GetName();
dir += ".dir";
return dir;
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GetSubdirTargetName(const char* pass, const char* subdir)
{
// Convert the subdirectory name to a valid make target name.
std::string s = pass;
s += "_";
s += subdir;
// Replace "../" with 3 underscores. This allows one .. at the beginning.
size_t pos = s.find("../");
if(pos != std::string::npos)
{
s.replace(pos, 3, "___");
}
// Replace "/" directory separators with a single underscore.
while((pos = s.find('/')) != std::string::npos)
{
s.replace(pos, 1, "_");
}
// Replace ":" drive specifier with a single underscore
while((pos = s.find(':')) != std::string::npos)
{
s.replace(pos, 1, "_");
}
return s;
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GetObjectFileName(const cmTarget& target,
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->GetStartOutputDirectory()) == 0))
{
objectName = source.GetSourceName();
}
else
{
objectName = cmSystemTools::GetFilenameName(source.GetSourceName());
}
// Append the object file extension.
objectName +=
m_GlobalGenerator->GetLanguageOutputExtensionFromExtension(
source.GetSourceExtension().c_str());
// Convert to a safe name.
objectName = this->CreateSafeUniqueObjectFileName(objectName.c_str());
// Prepend the target directory.
std::string obj = this->GetTargetDirectory(target);
obj += "/";
obj += objectName;
return obj;
}
//----------------------------------------------------------------------------
const char*
cmLocalUnixMakefileGenerator2
::GetSourceFileLanguage(const cmSourceFile& source)
{
// Identify the language of the source file.
return (m_GlobalGenerator
->GetLanguageFromExtension(source.GetSourceExtension().c_str()));
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::ConvertToFullPath(const std::string& localPath)
{
std::string dir = m_Makefile->GetStartOutputDirectory();
dir += "/";
dir += localPath;
return dir;
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2::ConvertToRelativeOutputPath(const char* p)
{
// Convert the path to a relative path.
std::string relative = this->ConvertToRelativePath(p);
// Now convert it to an output path.
return cmSystemTools::ConvertToOutputPath(relative.c_str());
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2::ConvertToQuotedOutputPath(const char* p)
{
// Split the path into its components.
std::vector<std::string> components;
cmSystemTools::SplitPath(p, components);
// Return an empty path if there are no components.
if(components.empty())
{
return "\"\"";
}
// Choose a slash direction and fix root component.
const char* slash = "/";
#if defined(_WIN32) && !defined(__CYGWIN__)
if(!cmSystemTools::GetForceUnixPaths())
{
slash = "\\";
for(std::string::iterator i = components[0].begin();
i != components[0].end(); ++i)
{
if(*i == '/')
{
*i = '\\';
}
}
}
#endif
// Begin the quoted result with the root component.
std::string result = "\"";
result += components[0];
// Now add the rest of the components separated by the proper slash
// direction for this platform.
bool first = true;
for(unsigned int i=1; i < components.size(); ++i)
{
// Only the last component can be empty to avoid double slashes.
if(components[i].length() > 0 || (i == (components.size()-1)))
{
if(!first)
{
result += slash;
}
result += components[i];
first = false;
}
}
// Close the quoted result.
result += "\"";
return result;
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::ConfigureOutputPaths()
{
// Format the library and executable output paths.
if(const char* libOut = m_Makefile->GetDefinition("LIBRARY_OUTPUT_PATH"))
{
m_LibraryOutputPath = libOut;
this->FormatOutputPath(m_LibraryOutputPath, "LIBRARY");
}
if(const char* exeOut = m_Makefile->GetDefinition("EXECUTABLE_OUTPUT_PATH"))
{
m_ExecutableOutputPath = exeOut;
this->FormatOutputPath(m_ExecutableOutputPath, "EXECUTABLE");
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::FormatOutputPath(std::string& path,
const char* name)
{
if(!path.empty())
{
// Convert the output path to a full path in case it is
// specified as a relative path. Treat a relative path as
// relative to the current output directory for this makefile.
path =
cmSystemTools::CollapseFullPath(path.c_str(),
m_Makefile->GetStartOutputDirectory());
// Add a trailing slash for easy appending later.
if(path.empty() || path[path.size()-1] != '/')
{
path += "/";
}
// Make sure the output path exists on disk.
if(!cmSystemTools::MakeDirectory(path.c_str()))
{
cmSystemTools::Error("Error failed to create ",
name, "_OUTPUT_PATH directory:", path.c_str());
}
// Add this as a link directory automatically.
m_Makefile->AddLinkDirectory(path.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendTargetDepends(std::vector<std::string>& depends,
const cmTarget& target)
{
// Do not bother with dependencies for static libraries.
if(target.GetType() == cmTarget::STATIC_LIBRARY)
{
return;
}
// Keep track of dependencies already listed.
std::set<cmStdString> emitted;
// A target should not depend on itself.
emitted.insert(target.GetName());
// Loop over all library dependencies.
const cmTarget::LinkLibraries& tlibs = target.GetLinkLibraries();
for(cmTarget::LinkLibraries::const_iterator lib = tlibs.begin();
lib != tlibs.end(); ++lib)
{
// Don't emit the same library twice for this target.
if(emitted.insert(lib->first).second)
{
// Add this dependency.
this->AppendAnyDepend(depends, lib->first.c_str());
}
}
// Loop over all utility dependencies.
const std::set<cmStdString>& tutils = target.GetUtilities();
for(std::set<cmStdString>::const_iterator util = tutils.begin();
util != tutils.end(); ++util)
{
// Don't emit the same utility twice for this target.
if(emitted.insert(*util).second)
{
// Add this dependency.
this->AppendAnyDepend(depends, util->c_str());
}
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendAnyDepend(std::vector<std::string>& depends, const char* name,
bool assume_unknown_is_file)
{
// There are a few cases for the name of the target:
// - CMake target in this directory: depend on it.
// - CMake target in another directory: depend and add jump-and-build.
// - Full path to a file: depend on it.
// - Other format (like -lm): do nothing.
// If it is an executable or library target there will be a
// definition for it.
std::string dirVar = name;
dirVar += "_CMAKE_PATH";
const char* dir = m_Makefile->GetDefinition(dirVar.c_str());
if(dir && *dir)
{
// This is a CMake target somewhere in this project.
bool jumpAndBuild = false;
// Get the type of the library. If it does not have a type then
// it is an executable.
std::string typeVar = name;
typeVar += "_LIBRARY_TYPE";
const char* libType = m_Makefile->GetDefinition(typeVar.c_str());
// Get the output path for this target type.
std::string tgtOutputPath;
if(libType)
{
tgtOutputPath = m_LibraryOutputPath;
}
else
{
tgtOutputPath = m_ExecutableOutputPath;
}
// Get the path to the target.
std::string tgtPath;
if(this->SamePath(m_Makefile->GetStartOutputDirectory(), dir))
{
// The target is in the current directory so this makefile will
// know about it already.
tgtPath = tgtOutputPath;
}
else
{
// The target is in another directory. Get the path to it.
if(tgtOutputPath.size())
{
tgtPath = tgtOutputPath;
}
else
{
tgtPath = dir;
tgtPath += "/";
}
// We need to add a jump-and-build rule for this library.
jumpAndBuild = true;
}
// Add the name of the targets's file. This depends on the type
// of the target.
std::string prefix;
std::string suffix;
if(!libType)
{
suffix = cmSystemTools::GetExecutableExtension();
}
else if(strcmp(libType, "SHARED") == 0)
{
prefix = m_Makefile->GetSafeDefinition("CMAKE_SHARED_LIBRARY_PREFIX");
suffix = m_Makefile->GetSafeDefinition("CMAKE_SHARED_LIBRARY_SUFFIX");
}
else if(strcmp(libType, "MODULE") == 0)
{
prefix = m_Makefile->GetSafeDefinition("CMAKE_SHARED_MODULE_PREFIX");
suffix = m_Makefile->GetSafeDefinition("CMAKE_SHARED_MODULE_SUFFIX");
}
else if(strcmp(libType, "STATIC") == 0)
{
prefix = m_Makefile->GetSafeDefinition("CMAKE_STATIC_LIBRARY_PREFIX");
suffix = m_Makefile->GetSafeDefinition("CMAKE_STATIC_LIBRARY_SUFFIX");
}
tgtPath += prefix;
tgtPath += name;
tgtPath += suffix;
if(jumpAndBuild)
{
// We need to add a jump-and-build rule for this target.
cmLocalUnixMakefileGenerator2::RemoteTarget rt;
rt.m_BuildDirectory = dir;
rt.m_FilePath = tgtPath;
m_JumpAndBuild[name] = rt;
}
// Add a dependency on the target.
depends.push_back(tgtPath.c_str());
}
else if(m_Makefile->GetTargets().find(name) !=
m_Makefile->GetTargets().end())
{
// This is a CMake target that is not an executable or library.
// It must be in this directory, so just depend on the name
// directly.
depends.push_back(name);
}
else if(cmSystemTools::FileIsFullPath(name))
{
// This is a path to a file. Just trust the listfile author that
// it will be present or there is a rule to build it.
depends.push_back(cmSystemTools::CollapseFullPath(name));
}
else if(assume_unknown_is_file)
{
// Just assume this is a file or make target that will be present.
depends.push_back(name);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendRuleDepend(std::vector<std::string>& depends,
const char* ruleFileName)
{
// Add a dependency on the rule file itself unless an option to skip
// it is specifically enabled by the user or project.
const char* nodep = m_Makefile->GetDefinition("CMAKE_SKIP_RULE_DEPENDENCY");
if(!nodep || cmSystemTools::IsOff(nodep))
{
depends.push_back(ruleFileName);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendCustomDepends(std::vector<std::string>& depends,
const std::vector<cmCustomCommand>& ccs)
{
for(std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
i != ccs.end(); ++i)
{
this->AppendCustomDepend(depends, *i);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendCustomDepend(std::vector<std::string>& depends,
const cmCustomCommand& cc)
{
for(std::vector<std::string>::const_iterator d = cc.GetDepends().begin();
d != cc.GetDepends().end(); ++d)
{
// Add this dependency.
this->AppendAnyDepend(depends, d->c_str(), true);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendCustomCommands(std::vector<std::string>& commands,
const std::vector<cmCustomCommand>& ccs)
{
for(std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
i != ccs.end(); ++i)
{
this->AppendCustomCommand(commands, *i);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendCustomCommand(std::vector<std::string>& commands,
const cmCustomCommand& cc)
{
// TODO: Convert outputs/dependencies (arguments?) to relative paths.
// Add each command line to the set of commands.
for(cmCustomCommandLines::const_iterator cl = cc.GetCommandLines().begin();
cl != cc.GetCommandLines().end(); ++cl)
{
// Build the command line in a single string.
const cmCustomCommandLine& commandLine = *cl;
std::string cmd = commandLine[0];
cmSystemTools::ReplaceString(cmd, "/./", "/");
cmd = this->ConvertToRelativePath(cmd.c_str());
if(cmd.find("/") == cmd.npos &&
commandLine[0].find("/") != cmd.npos)
{
// Add a leading "./" for executables in the current directory.
cmd = "./" + cmd;
}
cmd = cmSystemTools::ConvertToOutputPath(cmd.c_str());
for(unsigned int j=1; j < commandLine.size(); ++j)
{
cmd += " ";
cmd += cmSystemTools::EscapeSpaces(commandLine[j].c_str());
}
commands.push_back(cmd);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::AppendCleanCommand(std::vector<std::string>& commands,
const std::vector<std::string>& files)
{
if(!files.empty())
{
std::string remove = "$(CMAKE_COMMAND) -E remove -f";
for(std::vector<std::string>::const_iterator f = files.begin();
f != files.end(); ++f)
{
remove += " ";
remove += this->ConvertToRelativeOutputPath(f->c_str());
}
commands.push_back(remove);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2::AppendEcho(std::vector<std::string>& commands,
const char* text)
{
// Echo one line at a time.
std::string line;
for(const char* c = text;; ++c)
{
if(*c == '\n' || *c == '\0')
{
// Avoid writing a blank last line on end-of-string.
if(*c != '\0' || !line.empty())
{
// Add a command to echo this line.
std::string cmd = "@echo ";
if(m_EchoNeedsQuote)
{
cmd += "\"";
}
cmd += line;
if(m_EchoNeedsQuote)
{
cmd += "\"";
}
commands.push_back(cmd);
}
// Reset the line to emtpy.
line = "";
// Terminate on end-of-string.
if(*c == '\0')
{
return;
}
}
else if(*c != '\r')
{
// Append this character to the current line.
line += *c;
}
}
}
//============================================================================
//----------------------------------------------------------------------------
bool
cmLocalUnixMakefileGenerator2::SamePath(const char* path1, const char* path2)
{
if (strcmp(path1, path2) == 0)
{
return true;
}
#if defined(_WIN32) || defined(__APPLE__)
return
(cmSystemTools::LowerCase(this->ConvertToOutputForExisting(path1)) ==
cmSystemTools::LowerCase(this->ConvertToOutputForExisting(path2)));
#else
return false;
#endif
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2::GetBaseTargetName(const cmTarget& t)
{
std::string pathPrefix = "";
#ifdef __APPLE__
if ( t.GetPropertyAsBool("MACOSX_BUNDLE") )
{
pathPrefix = t.GetName();
pathPrefix += ".app/Contents/MacOS/";
}
#endif
const char* targetPrefix = t.GetProperty("PREFIX");
const char* prefixVar = t.GetPrefixVariable();
// if there is no prefix on the target use the cmake definition
if(!targetPrefix && prefixVar)
{
// first check for a language specific suffix var
const char* ll = t.GetLinkerLanguage(this->GetGlobalGenerator());
if(ll)
{
std::string langPrefix = prefixVar + std::string("_") + ll;
targetPrefix = m_Makefile->GetDefinition(langPrefix.c_str());
}
// if there not a language specific suffix then use the general one
if(!targetPrefix)
{
targetPrefix = m_Makefile->GetSafeDefinition(prefixVar);
}
}
std::string name = pathPrefix + (targetPrefix?targetPrefix:"");
name += t.GetName();
return name;
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::GetLibraryNames(const cmTarget& t,
std::string& name,
std::string& soName,
std::string& realName,
std::string& baseName)
{
// Check for library version properties.
const char* version = t.GetProperty("VERSION");
const char* soversion = t.GetProperty("SOVERSION");
if((t.GetType() != cmTarget::SHARED_LIBRARY &&
t.GetType() != cmTarget::MODULE_LIBRARY) ||
!m_Makefile->GetDefinition("CMAKE_SHARED_LIBRARY_SONAME_C_FLAG"))
{
// Versioning is supported only for shared libraries and modules,
// and then only when the platform supports an soname flag.
version = 0;
soversion = 0;
}
if(version && !soversion)
{
// The soversion must be set if the library version is set. Use
// the library version as the soversion.
soversion = version;
}
// The library name.
name = this->GetFullTargetName(t.GetName(), t);
// The library's soname.
soName = name;
if(soversion)
{
soName += ".";
soName += soversion;
}
// The library's real name on disk.
realName = name;
if(version)
{
realName += ".";
realName += version;
}
else if(soversion)
{
realName += ".";
realName += soversion;
}
// The library name without extension.
baseName = this->GetBaseTargetName(t);
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::ConvertToMakeTarget(const char* tgt)
{
// Make targets should not have a leading './' for a file in the
// directory containing the makefile.
std::string ret = tgt;
if(ret.size() > 2 &&
(ret[0] == '.') &&
( (ret[1] == '/') || ret[1] == '\\'))
{
std::string upath = ret;
cmSystemTools::ConvertToUnixSlashes(upath);
if(upath.find(2, '/') == upath.npos)
{
ret = ret.substr(2, ret.size()-2);
}
}
return ret;
}
//----------------------------------------------------------------------------
std::string&
cmLocalUnixMakefileGenerator2::CreateSafeUniqueObjectFileName(const char* sin)
{
if ( m_Makefile->IsOn("CMAKE_MANGLE_OBJECT_FILE_NAMES") )
{
std::map<cmStdString,cmStdString>::iterator it = m_UniqueObjectNamesMap.find(sin);
if ( it == m_UniqueObjectNamesMap.end() )
{
std::string ssin = sin;
bool done;
int cc = 0;
char rpstr[100];
sprintf(rpstr, "_p_");
cmSystemTools::ReplaceString(ssin, "+", rpstr);
std::string sssin = sin;
do
{
done = true;
for ( it = m_UniqueObjectNamesMap.begin();
it != m_UniqueObjectNamesMap.end();
++ it )
{
if ( it->second == ssin )
{
done = false;
}
}
if ( done )
{
break;
}
sssin = ssin;
cmSystemTools::ReplaceString(ssin, "_p_", rpstr);
sprintf(rpstr, "_p%d_", cc++);
}
while ( !done );
m_UniqueObjectNamesMap[sin] = ssin;
}
}
else
{
m_UniqueObjectNamesMap[sin] = sin;
}
return m_UniqueObjectNamesMap[sin];
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::CreateMakeVariable(const char* sin, const char* s2in)
{
std::string s = sin;
std::string s2 = s2in;
std::string unmodified = s;
unmodified += s2;
// if there is no restriction on the length of make variables
// and there are no "." charactors in the string, then return the
// unmodified combination.
if(!m_MakefileVariableSize && unmodified.find('.') == s.npos)
{
return unmodified;
}
// see if the variable has been defined before and return
// the modified version of the variable
std::map<cmStdString, cmStdString>::iterator i = m_MakeVariableMap.find(unmodified);
if(i != m_MakeVariableMap.end())
{
return i->second;
}
// start with the unmodified variable
std::string ret = unmodified;
// if this there is no value for m_MakefileVariableSize then
// the string must have bad characters in it
if(!m_MakefileVariableSize)
{
cmSystemTools::ReplaceString(ret, ".", "_");
int ni = 0;
char buffer[5];
// make sure the _ version is not already used, if
// it is used then add number to the end of the variable
while(m_ShortMakeVariableMap.count(ret) && ni < 1000)
{
++ni;
sprintf(buffer, "%04d", ni);
ret = unmodified + buffer;
}
m_ShortMakeVariableMap[ret] = "1";
m_MakeVariableMap[unmodified] = ret;
return ret;
}
// if the string is greater the 32 chars it is an invalid vairable name
// for borland make
if(static_cast<int>(ret.size()) > m_MakefileVariableSize)
{
int keep = m_MakefileVariableSize - 8;
int size = keep + 3;
std::string str1 = s;
std::string str2 = s2;
// we must shorten the combined string by 4 charactors
// keep no more than 24 charactors from the second string
if(static_cast<int>(str2.size()) > keep)
{
str2 = str2.substr(0, keep);
}
if(static_cast<int>(str1.size()) + static_cast<int>(str2.size()) > size)
{
str1 = str1.substr(0, size - str2.size());
}
char buffer[5];
int ni = 0;
sprintf(buffer, "%04d", ni);
ret = str1 + str2 + buffer;
while(m_ShortMakeVariableMap.count(ret) && ni < 1000)
{
++ni;
sprintf(buffer, "%04d", ni);
ret = str1 + str2 + buffer;
}
if(ni == 1000)
{
cmSystemTools::Error("Borland makefile variable length too long");
return unmodified;
}
// once an unused variable is found
m_ShortMakeVariableMap[ret] = "1";
}
// always make an entry into the unmodified to variable map
m_MakeVariableMap[unmodified] = ret;
return ret;
}
//============================================================================
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GetRecursiveMakeCall(const char* tgt)
{
// Call make on the given file.
std::string cmd;
cmd += "$(MAKE) -f " CMLUMG_MAKEFILE_NAME " ";
// Pass down verbosity level.
if(m_MakeSilentFlag.size())
{
cmd += m_MakeSilentFlag;
cmd += " ";
}
// 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.
if(m_PassMakeflags)
{
cmd += "-$(MAKEFLAGS) ";
}
// Add the target.
cmd += tgt;
return cmd;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteJumpAndBuildRules(std::ostream& makefileStream)
{
// Write the header for this section.
if(!m_JumpAndBuild.empty())
{
this->WriteDivider(makefileStream);
makefileStream
<< "# Targets to make sure needed libraries exist.\n"
<< "# These will jump to other directories to build targets.\n"
<< "\n";
}
std::vector<std::string> depends;
std::vector<std::string> commands;
for(std::map<cmStdString, RemoteTarget>::iterator
jump = m_JumpAndBuild.begin(); jump != m_JumpAndBuild.end(); ++jump)
{
const cmLocalUnixMakefileGenerator2::RemoteTarget& rt = jump->second;
const char* destination = rt.m_BuildDirectory.c_str();
// Construct the dependency and build target names.
std::string dep = jump->first;
dep += ".dir/";
dep += jump->first;
dep += ".depends";
dep = this->ConvertToRelativeOutputPath(dep.c_str());
std::string tgt = jump->first;
tgt += ".requires";
tgt = this->ConvertToRelativeOutputPath(tgt.c_str());
// Add the pre-jump message.
commands.clear();
std::string jumpPreEcho = "Jumping to ";
jumpPreEcho += rt.m_BuildDirectory.c_str();
jumpPreEcho += " to build ";
jumpPreEcho += jump->first;
this->AppendEcho(commands, jumpPreEcho.c_str());
// Build the jump-and-build command list.
if(m_WindowsShell)
{
// On Windows we must perform each step separately and then jump
// back because the shell keeps the working directory between
// commands.
std::string cmd = "cd ";
cmd += this->ConvertToOutputForExisting(destination);
commands.push_back(cmd);
// Check the build system in destination directory.
commands.push_back(this->GetRecursiveMakeCall("cmake_check_build_system"));
// Build the targets's dependencies.
commands.push_back(this->GetRecursiveMakeCall(dep.c_str()));
// Build the target.
commands.push_back(this->GetRecursiveMakeCall(tgt.c_str()));
// Jump back to the starting directory.
cmd = "cd ";
cmd += this->ConvertToOutputForExisting(m_Makefile->GetStartOutputDirectory());
commands.push_back(cmd);
}
else
{
// On UNIX we must construct a single shell command to jump and
// build because make resets the directory between each command.
std::string cmd = "cd ";
cmd += this->ConvertToOutputForExisting(destination);
// Check the build system in destination directory.
cmd += " && ";
cmd += this->GetRecursiveMakeCall("cmake_check_build_system");
// Build the targets's dependencies.
cmd += " && ";
cmd += this->GetRecursiveMakeCall(dep.c_str());
// Build the target.
cmd += " && ";
cmd += this->GetRecursiveMakeCall(tgt.c_str());
// Add the command as a single line.
commands.push_back(cmd);
}
// Add the post-jump message.
std::string jumpPostEcho = "Returning to ";
jumpPostEcho += m_Makefile->GetStartOutputDirectory();
this->AppendEcho(commands, jumpPostEcho.c_str());
// Write the rule.
this->WriteMakeRule(makefileStream, 0,
rt.m_FilePath.c_str(), depends, commands);
}
}
//----------------------------------------------------------------------------
cmDepends*
cmLocalUnixMakefileGenerator2::GetDependsChecker(const std::string& lang,
const char* dir,
const char* objFile)
{
if(lang == "C" || lang == "CXX" || lang == "RC")
{
return new cmDependsC(dir, objFile);
}
#ifdef CMAKE_BUILD_WITH_CMAKE
else if(lang == "Fortran")
{
return new cmDependsFortran(dir, objFile);
}
else if(lang == "Java")
{
return new cmDependsJava(dir, objFile);
}
#endif
return 0;
}
//----------------------------------------------------------------------------
bool
cmLocalUnixMakefileGenerator2
::ScanDependencies(std::vector<std::string> const& args)
{
// Format of arguments is:
// $(CMAKE_COMMAND), cmake_depends, <lang>, <obj>, <src>
// The caller has ensured that all required arguments exist.
// The language for which we are scanning dependencies.
std::string const& lang = args[2];
// The file to which to write dependencies.
const char* objFile = args[3].c_str();
// The source file at which to start the scan.
const char* srcFile = args[4].c_str();
// Read the directory information file.
cmake cm;
cmGlobalGenerator gg;
gg.SetCMakeInstance(&cm);
std::auto_ptr<cmLocalGenerator> lg(gg.CreateLocalGenerator());
lg->SetGlobalGenerator(&gg);
cmMakefile* mf = lg->GetMakefile();
bool haveDirectoryInfo = false;
if(mf->ReadListFile(0, "CMakeDirectoryInformation.cmake") &&
!cmSystemTools::GetErrorOccuredFlag())
{
haveDirectoryInfo = true;
}
// Test whether we need to force Unix paths.
if(haveDirectoryInfo)
{
if(const char* force = mf->GetDefinition("CMAKE_FORCE_UNIX_PATHS"))
{
if(!cmSystemTools::IsOff(force))
{
cmSystemTools::SetForceUnixPaths(true);
}
}
}
// Get the set of include directories.
std::vector<std::string> includes;
if(haveDirectoryInfo)
{
std::string includePathVar = "CMAKE_";
includePathVar += lang;
includePathVar += "_INCLUDE_PATH";
if(const char* includePath = mf->GetDefinition(includePathVar.c_str()))
{
cmSystemTools::ExpandListArgument(includePath, includes);
}
}
// Get the include file regular expression.
std::string includeRegexScan = "^.*$";
std::string includeRegexComplain = "^$";
if(haveDirectoryInfo)
{
std::string scanRegexVar = "CMAKE_";
scanRegexVar += lang;
scanRegexVar += "_INCLUDE_REGEX_SCAN";
if(const char* scanRegex = mf->GetDefinition(scanRegexVar.c_str()))
{
includeRegexScan = scanRegex;
}
std::string complainRegexVar = "CMAKE_";
complainRegexVar += lang;
complainRegexVar += "_INCLUDE_REGEX_COMPLAIN";
if(const char* complainRegex = mf->GetDefinition(complainRegexVar.c_str()))
{
includeRegexComplain = complainRegex;
}
}
// Dispatch the scan for each language.
if(lang == "C" || lang == "CXX" || lang == "RC")
{
// TODO: Handle RC (resource files) dependencies correctly.
cmDependsC scanner(".", objFile, srcFile, includes,
includeRegexScan.c_str(), includeRegexComplain.c_str());
return scanner.Write();
}
#ifdef CMAKE_BUILD_WITH_CMAKE
else if(lang == "Fortran")
{
cmDependsFortran scanner(".", objFile, srcFile, includes);
return scanner.Write();
}
else if(lang == "Java")
{
cmDependsJava scanner(".", objFile, srcFile);
return scanner.Write();
}
#endif
return false;
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::CheckDependencies(cmMakefile* mf)
{
// Get the list of languages that may have sources to check.
const char* langDef = mf->GetDefinition("CMAKE_DEPENDS_LANGUAGES");
if(!langDef)
{
return;
}
std::vector<std::string> languages;
cmSystemTools::ExpandListArgument(langDef, languages);
// For each language get the set of files to check.
for(std::vector<std::string>::iterator l = languages.begin();
l != languages.end(); ++l)
{
std::string depCheck = "CMAKE_DEPENDS_CHECK_";
depCheck += *l;
if(const char* fileDef = mf->GetDefinition(depCheck.c_str()))
{
// Check each file. The current working directory is already
// correct.
std::vector<std::string> files;
cmSystemTools::ExpandListArgument(fileDef, files);
for(std::vector<std::string>::iterator f = files.begin();
f != files.end(); ++f)
{
// Construct a checker for the given language.
std::auto_ptr<cmDepends>
checker(cmLocalUnixMakefileGenerator2
::GetDependsChecker(*l, ".", f->c_str()));
if(checker.get())
{
checker->Check();
}
}
}
}
}
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