CMake/Source/cmGlobalUnixMakefileGenerat...

574 lines
18 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator3
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 "cmGlobalUnixMakefileGenerator3.h"
#include "cmLocalUnixMakefileGenerator3.h"
#include "cmMakefile.h"
#include "cmake.h"
#include "cmGeneratedFileStream.h"
cmGlobalUnixMakefileGenerator3::cmGlobalUnixMakefileGenerator3()
{
// This type of makefile always requires unix style paths
m_ForceUnixPaths = true;
m_FindMakeProgramFile = "CMakeUnixFindMake.cmake";
}
void cmGlobalUnixMakefileGenerator3
::EnableLanguage(std::vector<std::string>const& languages, cmMakefile *mf)
{
mf->AddDefinition("CMAKE_CFG_INTDIR",".");
this->cmGlobalGenerator::EnableLanguage(languages, mf);
std::string path;
for(std::vector<std::string>::const_iterator l = languages.begin();
l != languages.end(); ++l)
{
const char* lang = l->c_str();
std::string langComp = "CMAKE_";
langComp += lang;
langComp += "_COMPILER";
if(!mf->GetDefinition(langComp.c_str()))
{
cmSystemTools::Error(langComp.c_str(), " not set, after EnableLanguage");
continue;
}
const char* cc = mf->GetRequiredDefinition(langComp.c_str());
path = cmSystemTools::FindProgram(cc);
if(path.size() == 0)
{
std::string message = "your ";
message += lang;
message += " compiler: ";
if(cc)
{
message += cc;
}
else
{
message += "(NULL)";
}
message += " was not found in your path. "
"For CMake to correctly use try compile commands, the compiler must "
"be in your path. Please add the compiler to your PATH environment,"
" and re-run CMake.";
cmSystemTools::Error(message.c_str());
}
}
}
///! Create a local generator appropriate to this Global Generator
cmLocalGenerator *cmGlobalUnixMakefileGenerator3::CreateLocalGenerator()
{
cmLocalGenerator* lg = new cmLocalUnixMakefileGenerator3;
lg->SetGlobalGenerator(this);
return lg;
}
//----------------------------------------------------------------------------
void cmGlobalUnixMakefileGenerator3::GetDocumentation(cmDocumentationEntry& entry) const
{
entry.name = this->GetName();
entry.brief = "Generates standard UNIX makefiles.";
entry.full =
"A hierarchy of UNIX makefiles is generated into the build tree. Any "
"standard UNIX-style make program can build the project through the "
"default make target. A \"make install\" target is also provided.";
}
//----------------------------------------------------------------------------
void cmGlobalUnixMakefileGenerator3::Generate()
{
// first do superclass method
this->cmGlobalGenerator::Generate();
// write the main makefile
this->WriteMainMakefile();
this->WriteMainCMakefile();
// now write the support Makefiles
this->WriteDependMakefile();
this->WriteBuildMakefile();
this->WriteCleanMakefile();
}
void cmGlobalUnixMakefileGenerator3::WriteMainMakefile()
{
// 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 =
this->GetCMakeInstance()->GetHomeOutputDirectory();
makefileName += "/Makefile";
cmGeneratedFileStream makefileStream(makefileName.c_str());
if(!makefileStream)
{
return;
}
// get a local generator for some useful methods
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Write the do not edit header.
lg->WriteDisclaimer(makefileStream);
// 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.
lg->WriteMakeRule(makefileStream,
"Default target executed when no arguments are "
"given to make.",
"default_target",
depends,
no_commands);
lg->WriteMakeVariables(makefileStream);
lg->WriteSpecialTargetsTop(makefileStream);
this->WriteAllRules(lg,makefileStream);
// write the target convenience rules
unsigned int i;
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
this->WriteConvenienceRules(makefileStream,lg);
}
lg->WriteSpecialTargetsBottom(makefileStream);
}
//----------------------------------------------------------------------------
void cmGlobalUnixMakefileGenerator3::WriteMainCMakefile()
{
// 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 cmakefileName =
this->GetCMakeInstance()->GetHomeOutputDirectory();
cmakefileName += "/Makefile.cmake";
cmGeneratedFileStream cmakefileStream(cmakefileName.c_str());
if(!cmakefileStream)
{
return;
}
std::string makefileName =
this->GetCMakeInstance()->GetHomeOutputDirectory();
makefileName += "/Makefile";
// get a local generator for some useful methods
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Write the do not edit header.
lg->WriteDisclaimer(cmakefileStream);
// for each cmMakefile get its list of dependencies
unsigned int i;
std::vector<std::string> lfiles;
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
// Get the list of files contributing to this generation step.
lfiles.insert(lfiles.end(),lg->GetMakefile()->GetListFiles().begin(),
lg->GetMakefile()->GetListFiles().end());
}
// Sort the list and remove duplicates.
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());
// reset lg to the first makefile
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Build the path to the cache file.
std::string cache = this->GetCMakeInstance()->GetHomeOutputDirectory();
cache += "/CMakeCache.txt";
// Save the list to the cmake file.
cmakefileStream
<< "# The top level Makefile was generated from the following files:\n"
<< "SET(CMAKE_MAKEFILE_DEPENDS\n"
<< " \"" << lg->ConvertToRelativePath(cache.c_str()).c_str() << "\"\n";
for(std::vector<std::string>::const_iterator i = lfiles.begin();
i != lfiles.end(); ++i)
{
cmakefileStream
<< " \"" << lg->ConvertToRelativePath(i->c_str()).c_str()
<< "\"\n";
}
cmakefileStream
<< " )\n\n";
// Build the path to the cache check file.
std::string check = this->GetCMakeInstance()->GetHomeOutputDirectory();
check += "/cmake.check_cache";
// Set the corresponding makefile in the cmake file.
cmakefileStream
<< "# The corresponding makefile is:\n"
<< "SET(CMAKE_MAKEFILE_OUTPUTS\n"
<< " \"" << lg->ConvertToRelativePath(makefileName.c_str()).c_str() << "\"\n"
<< " \"" << lg->ConvertToRelativePath(check.c_str()).c_str() << "\"\n";
// add in all the directory information files
std::string tmpStr;
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
tmpStr = lg->GetMakefile()->GetStartOutputDirectory();
tmpStr += "/CMakeDirectoryInformation.cmake";
cmakefileStream
<< " \"" << this->ConvertToHomeRelativePath(tmpStr.c_str()).c_str() << "\"\n";
}
cmakefileStream << " )\n\n";
this->WriteMainCMakefileLanguageRules(cmakefileStream);
}
void cmGlobalUnixMakefileGenerator3
::WriteMainCMakefileLanguageRules(cmGeneratedFileStream& cmakefileStream)
{
cmLocalUnixMakefileGenerator3 *lg;
// now write all the language stuff
// Set the set of files to check for dependency integrity.
// loop over all of the local generators to collect this
std::set<cmStdString> checkSetLangs;
for (unsigned int i = 0; i < m_LocalGenerators.size(); ++i)
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
std::map<cmStdString,cmLocalUnixMakefileGenerator3::IntegrityCheckSet>& checkSet =
lg->GetIntegrityCheckSet();
for(std::map<cmStdString,
cmLocalUnixMakefileGenerator3::IntegrityCheckSet>::const_iterator
l = checkSet.begin(); l != checkSet.end(); ++l)
{
checkSetLangs.insert(l->first);
}
}
// list the languages
cmakefileStream
<< "# The set of files whose dependency integrity should be checked:\n";
cmakefileStream
<< "SET(CMAKE_DEPENDS_LANGUAGES\n";
for(std::set<cmStdString>::iterator
l = checkSetLangs.begin(); l != checkSetLangs.end(); ++l)
{
cmakefileStream << " \"" << l->c_str() << "\"\n";
}
cmakefileStream << " )\n";
// now list the files for each language
for(std::set<cmStdString>::iterator
l = checkSetLangs.begin(); l != checkSetLangs.end(); ++l)
{
cmakefileStream
<< "SET(CMAKE_DEPENDS_CHECK_" << l->c_str() << "\n";
// now for each local gen get the checkset
for (unsigned int i = 0; i < m_LocalGenerators.size(); ++i)
{
lg = static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
// get the check set for this local gen and language
cmLocalUnixMakefileGenerator3::IntegrityCheckSet iCheckSet =
lg->GetIntegrityCheckSet()[*l];
// for each file
for(cmLocalUnixMakefileGenerator3::IntegrityCheckSet::const_iterator csIter =
iCheckSet.begin();
csIter != iCheckSet.end(); ++csIter)
{
cmakefileStream
<< " \"" << this->ConvertToHomeRelativePath(csIter->c_str()).c_str() << "\"\n";
}
}
cmakefileStream << " )\n";
}
}
void cmGlobalUnixMakefileGenerator3::WriteDependMakefile()
{
unsigned int i;
// 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 = this->GetCMakeInstance()->GetHomeOutputDirectory();
makefileName += "/depend.make";
cmGeneratedFileStream makefileStream(makefileName.c_str());
if(!makefileStream)
{
return;
}
// get a local generator for some useful methods
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Write the do not edit header.
lg->WriteDisclaimer(makefileStream);
lg->WriteMakeVariables(makefileStream);
// add the generic dependency
std::vector<std::string> depends;
std::vector<std::string> no_commands;
lg->WriteMakeRule(makefileStream, 0, "depend", depends, no_commands);
// include the build rules
makefileStream
<< "# Include make rules for build targets\n";
makefileStream
<< lg->GetIncludeDirective() << " "
<< lg->ConvertToOutputForExisting("build.make").c_str()
<< "\n\n";
// include all the target depends
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
cmLocalUnixMakefileGenerator3 *lg2 =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
if (!lg2->GetExcludeAll())
{
lg2->WriteTargetIncludes(makefileStream,"depend.make","depend");
}
}
}
void cmGlobalUnixMakefileGenerator3::WriteBuildMakefile()
{
unsigned int i;
// 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 = this->GetCMakeInstance()->GetHomeOutputDirectory();
makefileName += "/build.make";
cmGeneratedFileStream makefileStream(makefileName.c_str());
if(!makefileStream)
{
return;
}
// get a local generator for some useful methods
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Write the do not edit header.
lg->WriteDisclaimer(makefileStream);
lg->WriteMakeVariables(makefileStream);
// add the generic dependency
std::vector<std::string> depends;
std::vector<std::string> no_commands;
lg->WriteMakeRule(makefileStream, 0, "build", depends, no_commands);
// include all the target depends
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
cmLocalUnixMakefileGenerator3 *lg2 =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
// are any parents excluded
bool exclude = false;
cmLocalGenerator *lg3 = lg2;
while (lg3)
{
if (lg3->GetExcludeAll())
{
exclude = true;
break;
}
lg3 = lg3->GetParent();
}
if (!exclude)
{
lg2->WriteTargetIncludes(makefileStream,"build.make","build");
}
}
}
void cmGlobalUnixMakefileGenerator3::WriteCleanMakefile()
{
unsigned int i;
// 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 = this->GetCMakeInstance()->GetHomeOutputDirectory();
makefileName += "/clean.make";
cmGeneratedFileStream makefileStream(makefileName.c_str());
if(!makefileStream)
{
return;
}
// get a local generator for some useful methods
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[0]);
// Write the do not edit header.
lg->WriteDisclaimer(makefileStream);
lg->WriteMakeVariables(makefileStream);
// add the generic dependency
std::vector<std::string> depends;
std::vector<std::string> no_commands;
lg->WriteMakeRule(makefileStream, 0, "clean", depends, no_commands);
// include all the target depends
for (i = 0; i < m_LocalGenerators.size(); ++i)
{
cmLocalUnixMakefileGenerator3 *lg2 =
static_cast<cmLocalUnixMakefileGenerator3 *>(m_LocalGenerators[i]);
lg2->WriteTargetIncludes(makefileStream,"clean.make","clean");
// add the directory based rules
lg2->WriteLocalCleanRule(makefileStream);
}
}
//----------------------------------------------------------------------------
void cmGlobalUnixMakefileGenerator3
::WriteAllRules(cmLocalUnixMakefileGenerator3 *lg,
std::ostream& makefileStream)
{
// Write section header.
lg->WriteDivider(makefileStream);
makefileStream
<< "# Rules to build dependencies and targets.\n"
<< "\n";
std::vector<std::string> depends;
std::vector<std::string> commands;
// Check the build system in this directory.
depends.push_back("cmake_check_build_system");
commands.push_back(this->GetRecursiveMakeCall("depend.make",0));
commands.push_back(this->GetRecursiveMakeCall("build.make",0));
// Write the rule.
lg->WriteMakeRule(makefileStream, "The main all target", "all", depends, commands);
// write the clean
commands.clear();
commands.push_back(this->GetRecursiveMakeCall("clean.make",0));
lg->WriteMakeRule(makefileStream, "default clean target", "clean", depends, commands);
}
//----------------------------------------------------------------------------
std::string
cmGlobalUnixMakefileGenerator3
::GetRecursiveMakeCall(const char *Makefile, const char* tgt)
{
cmLocalUnixMakefileGenerator3 *lg =
static_cast<cmLocalUnixMakefileGenerator3*>(m_LocalGenerators[0]);
// Call make on the given file.
std::string cmd;
cmd += "$(MAKE) -f ";
cmd += Makefile;
cmd += " ";
// Pass down verbosity level.
if(lg->GetMakeSilentFlag().size())
{
cmd += lg->GetMakeSilentFlag();
cmd += " ";
}
// Most unix makes will pass the command line flags to make down to
// sub-invoked makes via an environment variable. However, some
// makes do not support that, so you have to pass the flags
// explicitly.
if(lg->GetPassMakeflags())
{
cmd += "-$(MAKEFLAGS) ";
}
// Add the target.
if (tgt && tgt[0] != '\0')
{
cmd += tgt;
}
return cmd;
}
//----------------------------------------------------------------------------
void
cmGlobalUnixMakefileGenerator3
::WriteConvenienceRules(std::ostream& ruleFileStream, cmLocalUnixMakefileGenerator3 *lg)
{
std::vector<std::string> depends;
std::vector<std::string> tgt_depends;
std::vector<std::string> commands;
depends.push_back("cmake_check_build_system");
// for each target
// Generate the rule files for each target.
const cmTargets& targets = lg->GetMakefile()->GetTargets();
std::string localName;
std::string makeTargetName;
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))
{
// Add a rule to build the target by name.
localName = lg->GetRelativeTargetDirectory(t->second);
commands.clear();
makeTargetName = localName;
makeTargetName += "/depend";
commands.push_back(this->GetRecursiveMakeCall("depend.make",makeTargetName.c_str()));
makeTargetName = localName;
makeTargetName += "/build";
commands.push_back(this->GetRecursiveMakeCall("build.make",makeTargetName.c_str()));
// Write the rule.
lg->WriteMakeRule(ruleFileStream, "Convenience name for target.",
localName.c_str(), depends, commands);
// Add a target with the canonical name (no prefix, suffix or path).
if(localName != t->second.GetName())
{
commands.clear();
tgt_depends.clear();
tgt_depends.push_back(localName);
lg->WriteMakeRule(ruleFileStream, "Convenience name for target.",
t->second.GetName(), tgt_depends, commands);
}
}
}
}