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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 "cmGeneratedFileStream.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmSourceFile.h"
#include <queue>
// Quick-switch for generating old makefiles.
#if 0
# define CMLUMG_MAKEFILE_NAME "Makefile"
#else
# define CMLUMG_WRITE_OLD_MAKEFILE
# define CMLUMG_MAKEFILE_NAME "Makefile2"
#endif
// TODO: Add "help" target.
// TODO: Add install targets to m_InstallTargets list.
//----------------------------------------------------------------------------
cmLocalUnixMakefileGenerator2::cmLocalUnixMakefileGenerator2()
{
}
//----------------------------------------------------------------------------
cmLocalUnixMakefileGenerator2::~cmLocalUnixMakefileGenerator2()
{
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::SetEmptyCommand(const char* cmd)
{
m_EmptyCommands.clear();
if(cmd)
{
m_EmptyCommands.push_back(cmd);
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::Generate(bool fromTheTop)
{
#ifdef CMLUMG_WRITE_OLD_MAKEFILE
// Generate old style for now.
this->cmLocalUnixMakefileGenerator::Generate(fromTheTop);
#else
// Make sure we never run a local generate.
if(!fromTheTop)
{
cmSystemTools::Error("Local generate invoked in ",
m_Makefile->GetStartOutputDirectory());
return;
}
// Handle EXECUTABLE_OUTPUT_PATH and LIBRARY_OUTPUT_PATH since
// superclass generator is not called.
this->ConfigureOutputPaths();
#endif
// Generate the rule files for each target.
const cmTargets& targets = m_Makefile->GetTargets();
for(cmTargets::const_iterator t = targets.begin(); t != targets.end(); ++t)
{
// TODO: Dispatch generation of each target type.
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();
}
//----------------------------------------------------------------------------
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",
"Build dependencies for this directory.",
m_DependTargets);
// Write main build rules.
this->WritePassRules(makefileStream, "build",
"Build targets in this directory.",
m_BuildTargets);
// Write install rules.
this->WritePassRules(makefileStream, "install",
"Install files from this directory.",
m_InstallTargets);
// Write clean rules.
this->WritePassRules(makefileStream, "clean",
"Clean targets in this directory.",
m_CleanTargets);
// 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";
// TODO: Use relative paths in this generated file.
// 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());
// Save the list to the cmake file.
cmakefileStream
<< "# The corresponding makefile\n"
<< "# \"" << makefileName << "\"\n"
<< "# was generated from the following files:\n"
<< "SET(CMAKE_MAKEFILE_DEPENDS\n"
<< " \"" << m_Makefile->GetHomeOutputDirectory() << "/CMakeCache.txt\"\n";
for(std::vector<std::string>::const_iterator i = lfiles.begin();
i != lfiles.end(); ++i)
{
cmakefileStream
<< " \"" << i->c_str() << "\"\n";
}
cmakefileStream
<< " )\n\n";
// Set the corresponding makefile in the cmake file.
cmakefileStream
<< "# The corresponding makefile is:\n"
<< "SET(CMAKE_MAKEFILE_OUTPUTS\n"
<< " \"" << makefileName.c_str() << "\"\n"
<< " \"" << m_Makefile->GetHomeOutputDirectory() << "/cmake.check_cache\"\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"
<< "SET(CMAKE_DEPENDS_CHECK\n";
for(std::set<cmStdString>::const_iterator i = m_CheckDependFiles.begin();
i != m_CheckDependFiles.end(); ++i)
{
cmakefileStream
<< " \"" << i->c_str() << "\"\n";
}
cmakefileStream
<< " )\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;
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() &&
!m_GlobalGenerator->IgnoreFile((*source)->GetSourceExtension().c_str()))
{
// Generate this object file's rule file.
this->GenerateObjectRuleFile(target, *(*source));
// Save the object file name.
objects.push_back(this->GetObjectFileName(target, *(*source)));
}
}
// Generate the build-time dependencies file for this target.
std::string depBase = dir;
depBase += "/";
depBase += target.GetName();
std::string depMakeFile = this->GenerateDependsMakeFile(depBase.c_str());
// 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 dependencies for the target.
ruleFileStream
<< "# Include any dependencies generated for this rule.\n"
<< m_IncludeDirective << " "
<< this->ConvertToOutputForExisting(depMakeFile.c_str()).c_str()
<< "\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);
break;
case cmTarget::SHARED_LIBRARY:
this->WriteSharedLibraryRule(ruleFileStream, ruleFileName.c_str(),
target, objects);
break;
case cmTarget::MODULE_LIBRARY:
this->WriteModuleLibraryRule(ruleFileStream, ruleFileName.c_str(),
target, objects);
break;
case cmTarget::EXECUTABLE:
this->WriteExecutableRule(ruleFileStream, ruleFileName.c_str(),
target, objects);
break;
default:
break;
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::GenerateObjectRuleFile(const cmTarget& target, const cmSourceFile& source)
{
// 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);
// The object file should be checked for dependency integrity.
m_CheckDependFiles.insert(obj);
// 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 = this->GenerateDependsMakeFile(obj.c_str());
// 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(this->ConvertToRelativeOutputPath(i->c_str()));
}
}
depends.push_back(ruleFileName);
// Write the dependency generation rule.
std::string depTarget = obj;
depTarget += ".depends";
{
std::string depEcho = "Scanning ";
depEcho += lang;
depEcho += " dependencies of ";
depEcho += this->ConvertToRelativeOutputPath(obj.c_str());
depEcho += "...";
// 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());
std::vector<std::string> includeDirs;
this->GetIncludeDirectories(includeDirs);
for(std::vector<std::string>::iterator i = includeDirs.begin();
i != includeDirs.end(); ++i)
{
depCmd << " -I" << this->ConvertToRelativeOutputPath(i->c_str());
}
std::vector<std::string> commands;
commands.push_back(depCmd.str());
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0, depEcho.c_str(),
depTarget.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->ConvertToRelativeOutputPath(source.GetFullPath().c_str());
std::string objectFile =
this->ConvertToRelativeOutputPath(obj.c_str());
// Construct the compile rules.
std::vector<std::string> commands;
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.
std::string buildEcho = "Building ";
buildEcho += lang;
buildEcho += " object ";
buildEcho += this->ConvertToRelativeOutputPath(obj.c_str());
buildEcho += "...";
this->WriteMakeRule(ruleFileStream, 0, buildEcho.c_str(),
obj.c_str(), depends, commands);
}
}
//----------------------------------------------------------------------------
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());
// Construct the name of the rule file.
std::string customName = this->GetCustomBaseName(cc);
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().c_str());
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 " << customName.c_str() << ".\n\n";
// Collect the commands.
std::vector<std::string> commands;
this->AppendCustomCommand(commands, cc);
// Collect the dependencies.
std::vector<std::string> depends;
this->AppendCustomDepend(depends, cc);
// Add a dependency on the rule file itself.
depends.push_back(ruleFileName);
// Write the rule.
const char* comment = 0;
if(cc.GetComment().size())
{
comment = cc.GetComment().c_str();
}
std::string preEcho = "Generating ";
preEcho += customName;
preEcho += "...";
this->WriteMakeRule(ruleFileStream, comment, preEcho.c_str(),
cc.GetOutput().c_str(), depends, commands);
}
//----------------------------------------------------------------------------
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";
// TODO: Pre-build and pre-link rules.
// 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.
depends.push_back(ruleFileName);
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0, 0,
target.GetName(), depends, commands);
// Add this to the list of build rules in this directory.
if(target.IsInAll())
{
m_BuildTargets.push_back(target.GetName());
}
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GenerateDependsMakeFile(const char* file)
{
// Check if the build-time dependencies file exists.
std::string depMarkFile = file;
depMarkFile += ".depends";
std::string depMakeFile = depMarkFile;
depMakeFile += ".make";
std::string depMakeFileFull = this->ConvertToFullPath(depMakeFile);
if(cmSystemTools::FileExists(depMakeFileFull.c_str()))
{
// The build-time dependencies file already exists. Check it.
this->CheckDependencies(m_Makefile->GetStartOutputDirectory(), file);
}
else
{
// The build-time dependencies file does not exist. Create an
// empty one.
std::string depMarkFileFull = this->ConvertToFullPath(depMarkFile);
this->WriteEmptyDependMakeFile(file, depMarkFileFull.c_str(),
depMakeFileFull.c_str());
}
return depMakeFile;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteMakeRule(std::ostream& os,
const char* comment,
const char* preEcho,
const char* target,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands,
const char* postEcho)
{
// 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;
m_Makefile->ExpandVariablesInString(replace);
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;
m_Makefile->ExpandVariablesInString(replace);
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;
m_Makefile->ExpandVariablesInString(replace);
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.
bool first = true;
for(std::vector<std::string>::const_iterator i = commands.begin();
i != commands.end(); ++i)
{
replace = *i;
m_Makefile->ExpandVariablesInString(replace);
if(first && preEcho)
{
this->OutputEcho(os, preEcho);
}
os << "\t" << replace.c_str() << "\n";
first = false;
}
if(postEcho)
{
this->OutputEcho(os, postEcho);
}
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 = " << cmakecommand.c_str() << "\n"
<< "\n";
makefileStream
<< "# The command to remove a file.\n"
<< "RM = " << cmakecommand.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.",
0,
"default_target",
depends,
no_commands);
}
// Write special "rebuild_cache" target to re-run cmake.
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
commands.push_back(
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake using make.",
"Running CMake to regenerate build system...",
"rebuild_cache",
no_depends,
commands);
}
// Use CMAKE_EDIT_COMMAND for the edit_cache rule if it is defined.
// Otherwise default to the interactive command-line interface.
if(m_Makefile->GetDefinition("CMAKE_EDIT_COMMAND"))
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
commands.push_back(
"$(CMAKE_EDIT_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake cache editor using make.",
"Running CMake cache editor...",
"edit_cache",
no_depends,
commands);
}
else
{
std::vector<std::string> no_depends;
std::vector<std::string> commands;
commands.push_back(
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR) -i");
this->WriteMakeRule(makefileStream,
"Special rule to re-run CMake cache editor using make.",
"Running interactive CMake command-line interface...",
"edit_cache",
no_depends,
commands);
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSpecialTargetsBottom(std::ostream& makefileStream)
{
this->WriteDivider(makefileStream);
makefileStream
<< "# Special targets to cleanup operation of make.\n"
<< "\n";
// Write special "cmake_check_build_system" target to run cmake with
// the --check-build-system flag.
{
// Build command to run CMake to check if anything needs regenerating.
std::string cmakefileName = m_Makefile->GetStartOutputDirectory();
cmakefileName += "/" CMLUMG_MAKEFILE_NAME ".cmake";
std::string runRule =
"$(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);
std::string preEcho = "Checking build system in ";
preEcho += m_Makefile->GetStartOutputDirectory();
preEcho += "...";
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.",
preEcho.c_str(),
"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.",
0,
"$(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.",
0,
".SUFFIXES",
depends,
no_commands);
depends.push_back(".hpux_make_must_have_suffixes_list");
this->WriteMakeRule(makefileStream, 0, 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,
const char* comment,
const std::vector<std::string>& depends)
{
// 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());
// If there are no dependencies, use empty commands.
std::vector<std::string> commands;
if(depends.empty())
{
commands = m_EmptyCommands;
}
// Write the rule.
this->WriteMakeRule(makefileStream, comment, 0, passLocal.c_str(),
depends, commands);
}
//----------------------------------------------------------------------------
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;
// 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()));
// Write the rule.
std::string preEcho = "Entering directory ";
preEcho += m_Makefile->GetStartOutputDirectory();
std::string postEcho = "Finished directory ";
postEcho += m_Makefile->GetStartOutputDirectory();
this->WriteMakeRule(makefileStream, 0, preEcho.c_str(),
pass, depends, commands, postEcho.c_str());
// 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.
const std::vector<std::pair<cmStdString, bool> >&
subdirs = m_Makefile->GetSubDirectories();
std::string lastPre = "";
std::string lastPost = "";
for(std::vector<std::pair<cmStdString, bool> >::const_iterator
i = subdirs.begin(); i != subdirs.end(); ++i)
{
if(i->second)
{
// Add the subdirectory rule either for pre-order or post-order.
if(m_Makefile->IsDirectoryPreOrder(i->first.c_str()))
{
this->WriteSubdirRule(makefileStream, pass, i->first.c_str(), lastPre);
}
else
{
this->WriteSubdirRule(makefileStream, pass, i->first.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 destFull = m_Makefile->GetStartOutputDirectory();
destFull += "/";
destFull += subdir;
std::string back =
cmSystemTools::RelativePath(destFull.c_str(),
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, 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(), 0,
tgt.c_str(), depends, commands);
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteConvenienceRules(std::ostream& ruleFileStream, const cmTarget& target,
const char* targetFullPath)
{
// 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, targetFullPath,
localName.c_str());
// Add a target with the canonical name (no prefix, suffix or path).
if(localName != target.GetName())
{
this->WriteConvenienceRule(ruleFileStream, targetFullPath,
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.", 0,
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,
std::vector<std::string>& objects)
{
// 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.
depends.push_back(ruleFileName);
// Construct the full path to the executable that will be generated.
// TODO: Try to convert this to use a relative path.
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();
targetFullPath = this->ConvertToRelativeOutputPath(targetFullPath.c_str());
// Get the language to use for linking this executable.
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
// 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"));
// TODO: Pre-build and pre-link rules.
// 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.
this->WriteObjectsVariable(ruleFileStream, target, objects);
std::string objs = "$(";
objs += target.GetName();
objs += "_OBJECTS)";
std::string objsQuoted = "$(";
objsQuoted += target.GetName();
objsQuoted += "_OBJECTS_QUOTED)";
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->ExpandRuleVariables(*i,
linkLanguage,
objs.c_str(),
targetFullPath.c_str(),
linklibs.str().c_str(),
0,
0,
flags.c_str(),
0,
0,
0,
linkFlags.c_str());
}
// Write the build rule.
std::string buildEcho = "Linking ";
buildEcho += linkLanguage;
buildEcho += " executable ";
buildEcho += this->ConvertToRelativeOutputPath(targetFullPath.c_str());
buildEcho += "...";
this->WriteMakeRule(ruleFileStream, 0, buildEcho.c_str(),
targetFullPath.c_str(), depends, commands);
// Write convenience targets.
this->WriteConvenienceRules(ruleFileStream, target, targetFullPath.c_str());
// Write clean target.
std::vector<std::string> cleanFiles;
cleanFiles.push_back(this->ConvertToRelativeOutputPath(targetFullPath.c_str()));
cleanFiles.push_back(objs);
this->WriteTargetCleanRule(ruleFileStream, target, cleanFiles);
// Add this to the list of build rules in this directory.
if(target.IsInAll())
{
m_BuildTargets.push_back(target.GetName());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteStaticLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
std::vector<std::string>& objects)
{
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,
linkRuleVar.c_str(), extraFlags.c_str());
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteSharedLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
std::vector<std::string>& objects)
{
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,
linkRuleVar.c_str(), extraFlags.c_str());
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteModuleLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
std::vector<std::string>& objects)
{
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,
linkRuleVar.c_str(), extraFlags.c_str());
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteLibraryRule(std::ostream& ruleFileStream,
const char* ruleFileName,
const cmTarget& target,
std::vector<std::string>& objects,
const char* linkRuleVar,
const char* extraFlags)
{
// 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);
}
// Add dependencies on targets that must be built first.
this->AppendTargetDepends(depends, target);
// Add a dependency on the rule file itself.
depends.push_back(ruleFileName);
const char* linkLanguage =
target.GetLinkerLanguage(this->GetGlobalGenerator());
std::string linkFlags;
this->AppendFlags(linkFlags, extraFlags);
std::string targetName;
std::string targetNameSO;
std::string targetNameReal;
std::string targetNameBase;
this->GetLibraryNames(target.GetName(), target,
targetName, targetNameSO,
targetNameReal, targetNameBase);
std::string outpath;
std::string outdir;
if(m_UseRelativePaths)
{
outdir = this->ConvertToRelativeOutputPath(m_LibraryOutputPath.c_str());
}
else
{
outdir = m_LibraryOutputPath;
}
if(!m_WindowsShell && m_UseRelativePaths && outdir.size())
{
outpath = "\"`cd ";
}
outpath += outdir;
if(!m_WindowsShell && m_UseRelativePaths && outdir.size())
{
outpath += ";pwd`\"/";
}
if(outdir.size() == 0 && m_UseRelativePaths && !m_WindowsShell)
{
outpath = "\"`pwd`\"/";
}
// The full path versions of the names.
std::string targetFullPath = outpath + targetName;
std::string targetFullPathSO = outpath + targetNameSO;
std::string targetFullPathReal = outpath + targetNameReal;
std::string targetFullPathBase = outpath + targetNameBase;
// If not using relative paths then the output path needs to be
// converted here
if(!m_UseRelativePaths)
{
targetFullPath = this->ConvertToRelativeOutputPath(targetFullPath.c_str());
targetFullPathSO = this->ConvertToRelativeOutputPath(targetFullPathSO.c_str());
targetFullPathReal = this->ConvertToRelativeOutputPath(targetFullPathReal.c_str());
targetFullPathBase = this->ConvertToRelativeOutputPath(targetFullPathBase.c_str());
}
// Add a command to remove any existing files for this library.
std::vector<std::string> cleanFiles;
std::string remove = "$(CMAKE_COMMAND) -E remove -f ";
remove += targetFullPathReal;
cleanFiles.push_back(targetFullPathReal);
if(targetFullPathSO != targetFullPathReal)
{
remove += " ";
remove += targetFullPathSO;
cleanFiles.push_back(targetFullPathSO);
}
if(targetFullPath != targetFullPathSO &&
targetFullPath != targetFullPathReal)
{
remove += " ";
remove += targetFullPath;
cleanFiles.push_back(targetFullPath);
}
commands.push_back(remove);
// TODO: Pre-build and pre-link rules.
// 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(targetFullPath != targetFullPathReal)
{
std::string symlink = "$(CMAKE_COMMAND) -E cmake_symlink_library ";
symlink += targetFullPathReal;
symlink += " ";
symlink += targetFullPathSO;
symlink += " ";
symlink += targetFullPath;
commands.push_back(symlink);
}
// Add the post-build rules.
this->AppendCustomCommands(commands, target.GetPostBuildCommands());
// Collect up flags to link in needed libraries.
cmOStringStream linklibs;
this->OutputLinkLibraries(linklibs, target.GetName(), target);
// Construct object file lists that may be needed to expand the
// rule.
this->WriteObjectsVariable(ruleFileStream, target, objects);
std::string objs = "$(";
objs += target.GetName();
objs += "_OBJECTS)";
std::string objsQuoted = "$(";
objsQuoted += target.GetName();
objsQuoted += "_OBJECTS_QUOTED)";
// Expand placeholders in the commands.
for(std::vector<std::string>::iterator i = commands.begin();
i != commands.end(); ++i)
{
this->ExpandRuleVariables(*i,
linkLanguage,
objs.c_str(),
targetFullPathReal.c_str(),
linklibs.str().c_str(),
0, 0, 0, objsQuoted.c_str(),
targetFullPathBase.c_str(),
targetNameSO.c_str(),
linkFlags.c_str());
}
// Write the build rule.
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 += this->ConvertToRelativeOutputPath(targetFullPath.c_str());
buildEcho += "...";
this->WriteMakeRule(ruleFileStream, 0, buildEcho.c_str(),
targetFullPath.c_str(), depends, commands);
// Write convenience targets.
this->WriteConvenienceRules(ruleFileStream, target, targetFullPath.c_str());
// Write clean target.
cleanFiles.push_back(objs);
this->WriteTargetCleanRule(ruleFileStream, target, cleanFiles);
// Add this to the list of build rules in this directory.
if(target.IsInAll())
{
m_BuildTargets.push_back(target.GetName());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteObjectsVariable(std::ostream& ruleFileStream,
const cmTarget& target,
std::vector<std::string>& objects)
{
// Write a make variable assignment that lists all objects for the
// target.
ruleFileStream
<< "# Object files for target " << target.GetName() << "\n"
<< target.GetName() << "_OBJECTS =";
for(std::vector<std::string>::iterator i = objects.begin();
i != objects.end(); ++i)
{
ruleFileStream
<< " \\\n"
<< this->ConvertToRelativeOutputPath(i->c_str());
}
ruleFileStream
<< "\n"
<< "\n";
ruleFileStream
<< "# Object files for target " << target.GetName() << "\n"
<< target.GetName() << "_OBJECTS_QUOTED =";
for(std::vector<std::string>::iterator i = objects.begin();
i != objects.end(); ++i)
{
ruleFileStream
<< " \\\n"
<< "\"" << this->ConvertToRelativeOutputPath(i->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 output message for the rule.
std::string depEcho = "Building dependencies for ";
depEcho += target.GetName();
depEcho += "...";
// 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.
depends.push_back(ruleFileName);
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0, depEcho.c_str(),
depTarget.c_str(), depends, no_commands);
// Add this to the list of depend rules in this directory.
if(target.IsInAll())
{
m_DependTargets.push_back(depTarget);
}
}
//----------------------------------------------------------------------------
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;
// TODO: Add registered files for cleaning.
// Construct the clean target name.
std::string cleanTarget = target.GetName();
cleanTarget += ".clean";
// Construct the clean command.
std::string remove = "$(CMAKE_COMMAND) -E remove -f";
for(std::vector<std::string>::const_iterator f = files.begin();
f != files.end(); ++f)
{
remove += " ";
remove += *f;
}
commands.push_back(remove);
// Write the rule.
this->WriteMakeRule(ruleFileStream, 0, 0, cleanTarget.c_str(),
no_depends, commands);
// Add this to the list of clean rules in this directory.
if(target.IsInAll())
{
m_CleanTargets.push_back(cleanTarget);
}
}
//----------------------------------------------------------------------------
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, "_");
}
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;
}
//----------------------------------------------------------------------------
std::string
cmLocalUnixMakefileGenerator2
::GetCustomBaseName(const cmCustomCommand& cc)
{
// If the full path to the output file includes this build
// directory, we want to use the relative path for the filename of
// the custom file. Otherwise, we will use just the filename
// portion.
std::string customName;
if(cmSystemTools::FileIsFullPath(cc.GetOutput().c_str()) &&
(cc.GetOutput().find(m_Makefile->GetStartOutputDirectory()) == 0))
{
// Use the relative path but convert it to a valid file name.
customName =
cmSystemTools::RelativePath(m_Makefile->GetStartOutputDirectory(),
cc.GetOutput().c_str());
cmSystemTools::ReplaceString(customName, "/", "_");
}
else
{
customName = cmSystemTools::GetFilenameName(cc.GetOutput().c_str());
}
return customName;
}
//----------------------------------------------------------------------------
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;
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::AddLanguageFlags(std::string& flags,
const char* lang)
{
// Add language-specific flags.
std::string flagsVar = "CMAKE_";
flagsVar += lang;
flagsVar += "_FLAGS";
this->AddConfigVariableFlags(flags, flagsVar.c_str());
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::AddSharedFlags(std::string& flags,
const char* lang,
bool shared)
{
std::string flagsVar;
// Add flags for dealing with shared libraries for this language.
if(shared)
{
flagsVar = "CMAKE_SHARED_LIBRARY_";
flagsVar += lang;
flagsVar += "_FLAGS";
this->AppendFlags(flags, m_Makefile->GetDefinition(flagsVar.c_str()));
}
// Add flags specific to shared builds.
if(cmSystemTools::IsOn(m_Makefile->GetDefinition("BUILD_SHARED_LIBS")))
{
flagsVar = "CMAKE_SHARED_BUILD_";
flagsVar += lang;
flagsVar += "_FLAGS";
this->AppendFlags(flags, m_Makefile->GetDefinition(flagsVar.c_str()));
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::AddConfigVariableFlags(std::string& flags,
const char* var)
{
// Add the flags from the variable itself.
std::string flagsVar = var;
this->AppendFlags(flags, m_Makefile->GetDefinition(flagsVar.c_str()));
// Add the flags from the build-type specific variable.
const char* buildType = m_Makefile->GetDefinition("CMAKE_BUILD_TYPE");
if(buildType && *buildType)
{
flagsVar += "_";
flagsVar += cmSystemTools::UpperCase(buildType);
this->AppendFlags(flags, m_Makefile->GetDefinition(flagsVar.c_str()));
}
}
//----------------------------------------------------------------------------
void cmLocalUnixMakefileGenerator2::AppendFlags(std::string& flags,
const char* newFlags)
{
if(newFlags && *newFlags)
{
if(flags.size())
{
flags += " ";
}
flags += newFlags;
}
}
//----------------------------------------------------------------------------
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)
{
// 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->GetSafeDefinition(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 that it will be present.
depends.push_back(name);
}
}
//----------------------------------------------------------------------------
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());
}
}
//----------------------------------------------------------------------------
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.
// Build the command line in a single string.
std::string cmd = cc.GetCommand();
cmSystemTools::ReplaceString(cmd, "/./", "/");
cmd = this->ConvertToRelativeOutputPath(cmd.c_str());
if(cc.GetArguments().size() > 0)
{
cmd += " ";
cmd += cc.GetArguments();
}
commands.push_back(cmd);
}
//----------------------------------------------------------------------------
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 = this->ConvertToRelativeOutputPath(tgt.c_str());
// Build the jump-and-build command list.
commands.clear();
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);
}
// Write the rule.
std::string jumpPreEcho = "Jumping to ";
jumpPreEcho += rt.m_BuildDirectory.c_str();
jumpPreEcho += " to build ";
jumpPreEcho += jump->first;
jumpPreEcho += "...";
std::string jumpPostEcho = "Returning to ";
jumpPostEcho += m_Makefile->GetStartOutputDirectory();
jumpPostEcho += "...";
this->WriteMakeRule(makefileStream, 0, jumpPreEcho.c_str(),
rt.m_FilePath.c_str(), depends, commands,
jumpPostEcho.c_str());
}
}
//----------------------------------------------------------------------------
bool
cmLocalUnixMakefileGenerator2
::ScanDependencies(std::vector<std::string> const& args)
{
// Format of arguments is:
// $(CMAKE_COMMAND), cmake_depends, <lang>, <obj>, <src>, [include-flags]
// The caller has ensured that all required arguments exist.
// 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();
// Convert the include flags to full paths.
std::vector<std::string> includes;
for(unsigned int i=5; i < args.size(); ++i)
{
if(args[i].substr(0, 2) == "-I")
{
// Get the include path without the -I flag.
std::string inc = args[i].substr(2);
includes.push_back(cmSystemTools::CollapseFullPath(inc.c_str()));
}
}
// Dispatch the scan for each language.
std::string const& lang = args[2];
if(lang == "C" || lang == "CXX" || lang == "RC")
{
// TODO: Handle RC (resource files) dependencies correctly.
return cmLocalUnixMakefileGenerator2::ScanDependenciesC(objFile, srcFile,
includes);
}
return false;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2ScanDependenciesC(
std::ifstream& fin,
std::set<cmStdString>& encountered,
std::queue<cmStdString>& unscanned)
{
// Regular expression to identify C preprocessor include directives.
cmsys::RegularExpression
includeLine("^[ \t]*#[ \t]*include[ \t]*[<\"]([^\">]+)[\">]");
// Read one line at a time.
std::string line;
while(cmSystemTools::GetLineFromStream(fin, line))
{
// Match include directives. TODO: Support include regex and
// ignore regex. Possibly also support directory-based inclusion
// in dependencies.
if(includeLine.find(line.c_str()))
{
// Get the file being included.
std::string includeFile = includeLine.match(1);
// Queue the file if it has not yet been encountered.
if(encountered.find(includeFile) == encountered.end())
{
encountered.insert(includeFile);
unscanned.push(includeFile);
}
}
}
}
//----------------------------------------------------------------------------
bool
cmLocalUnixMakefileGenerator2
::ScanDependenciesC(const char* objFile, const char* srcFile,
std::vector<std::string> const& includes)
{
// Walk the dependency graph starting with the source file.
std::set<cmStdString> dependencies;
std::set<cmStdString> encountered;
std::set<cmStdString> scanned;
std::queue<cmStdString> unscanned;
unscanned.push(srcFile);
encountered.insert(srcFile);
while(!unscanned.empty())
{
// Get the next file to scan.
std::string fname = unscanned.front();
unscanned.pop();
// If not a full path, find the file in the include path.
std::string fullName;
if(cmSystemTools::FileIsFullPath(fname.c_str()))
{
fullName = fname;
}
else
{
for(std::vector<std::string>::const_iterator i = includes.begin();
i != includes.end(); ++i)
{
std::string temp = *i;
temp += "/";
temp += fname;
if(cmSystemTools::FileExists(temp.c_str()))
{
fullName = temp;
break;
}
}
}
// Scan the file if it was found and has not been scanned already.
if(fullName.size() && (scanned.find(fullName) == scanned.end()))
{
// Record scanned files.
scanned.insert(fullName);
// Try to scan the file. Just leave it out if we cannot find
// it.
std::ifstream fin(fullName.c_str());
if(fin)
{
// Add this file as a dependency.
dependencies.insert(fullName);
// Scan this file for new dependencies.
cmLocalUnixMakefileGenerator2ScanDependenciesC(fin, encountered,
unscanned);
}
}
}
// Write the dependencies to the output file.
std::string depMarkFile = objFile;
std::string depMakeFile = objFile;
depMarkFile += ".depends";
depMakeFile += ".depends.make";
cmGeneratedFileStream fout(depMakeFile.c_str());
fout << "# Dependencies for " << objFile << std::endl;
for(std::set<cmStdString>::iterator i=dependencies.begin();
i != dependencies.end(); ++i)
{
fout << objFile << ": "
<< cmSystemTools::ConvertToOutputPath(i->c_str()).c_str()
<< std::endl;
}
fout << std::endl;
fout << "# Dependencies for " << depMarkFile.c_str() << std::endl;
for(std::set<cmStdString>::iterator i=dependencies.begin();
i != dependencies.end(); ++i)
{
fout << depMarkFile.c_str() << ": "
<< cmSystemTools::ConvertToOutputPath(i->c_str()).c_str()
<< std::endl;
}
// If we could write the dependencies, touch the corresponding
// depends file to mark dependencies up to date.
if(fout)
{
std::ofstream fmark(depMarkFile.c_str());
fmark << "Dependencies updated for " << objFile << "\n";
}
return true;
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::CheckDependencies(const char* depCheck)
{
// Get the list of files to scan. This is given through the command
// line hook cmake file.
std::vector<std::string> files;
cmSystemTools::ExpandListArgument(depCheck, files);
// Check each file. The current working directory is already
// correct.
for(std::vector<std::string>::iterator f = files.begin();
f != files.end(); ++f)
{
cmLocalUnixMakefileGenerator2::CheckDependencies(".", f->c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::CheckDependencies(const char* dir, const char* file)
{
// Check the dependencies associated with the given file whose path
// is specified relative to the given directory. If any dependency
// is missing then dependencies should be regenerated.
bool regenerate = false;
// Construct the names of the mark and make files.
std::string depMarkFileFull = dir;
depMarkFileFull += "/";
depMarkFileFull += file;
depMarkFileFull += ".depends";
std::string depMakeFileFull = depMarkFileFull;
depMakeFileFull += ".make";
// Open the dependency makefile.
std::ifstream fin(depMakeFileFull.c_str());
if(fin)
{
// Parse dependencies.
std::string line;
std::string depender;
std::string dependee;
while(cmSystemTools::GetLineFromStream(fin, line))
{
// Skip empty lines and comments.
std::string::size_type pos = line.find_first_not_of(" \t\r\n");
if(pos == std::string::npos || line[pos] == '#')
{
continue;
}
// Strip leading whitespace.
if(pos > 0)
{
line = line.substr(pos);
}
// Skip lines too short to have a dependency.
if(line.size() < 3)
{
continue;
}
// Find the colon on the line. Skip the first two characters to
// avoid finding the colon in a drive letter on Windows. Ignore
// the line if a colon cannot be found.
if((pos = line.find(':', 2)) == std::string::npos)
{
continue;
}
// Split the line into depender and dependee.
depender = line.substr(0, pos);
dependee = line.substr(pos+1);
// Strip whitespace from the dependee.
if((pos = dependee.find_first_not_of(" \t\r\n")) != std::string::npos &&
pos > 0)
{
dependee = dependee.substr(pos);
}
if((pos = dependee.find_last_not_of(" \t\r\n")) != std::string::npos)
{
dependee = dependee.substr(0, pos+1);
}
// Convert dependee to a full path.
if(!cmSystemTools::FileIsFullPath(dependee.c_str()))
{
dependee = cmSystemTools::CollapseFullPath(dependee.c_str(), dir);
}
// If the dependee does not exist, we need to regenerate
// dependencies and the depender should be removed.
if(!cmSystemTools::FileExists(dependee.c_str()))
{
// Strip whitespace from the depender.
if((pos = depender.find_last_not_of(" \t\r\n")) != std::string::npos)
{
depender = depender.substr(0, pos+1);
}
// Convert depender to a full path.
if(!cmSystemTools::FileIsFullPath(depender.c_str()))
{
depender = cmSystemTools::CollapseFullPath(depender.c_str(), dir);
}
// Remove the depender.
cmSystemTools::RemoveFile(depender.c_str());
// Mark the need for regeneration.
regenerate = true;
}
}
}
else
{
// Could not open the dependencies file. It needs to be
// regenerated.
regenerate = true;
}
// If the dependencies file needs to be regenerated, create an empty
// one and delete the mark file.
if(regenerate)
{
cmLocalUnixMakefileGenerator2
::WriteEmptyDependMakeFile(file, depMarkFileFull.c_str(),
depMakeFileFull.c_str());
}
}
//----------------------------------------------------------------------------
void
cmLocalUnixMakefileGenerator2
::WriteEmptyDependMakeFile(const char* file,
const char* depMarkFileFull,
const char* depMakeFileFull)
{
// Remove the dependency mark file to be sure dependencies will be
// regenerated.
cmSystemTools::RemoveFile(depMarkFileFull);
// Write an empty dependency file.
cmGeneratedFileStream depFileStream(depMakeFileFull);
depFileStream
<< "# Empty dependencies file for " << file << ".\n"
<< "# This may be replaced when dependencies are built.\n";
}
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