CMake/Source/cmLocalUnixMakefileGenerato...

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
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#include "cmLocalUnixMakefileGenerator3.h"
#include "cmAlgorithms.h"
#include "cmCustomCommandGenerator.h"
#include "cmFileTimeComparison.h"
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#include "cmGeneratedFileStream.h"
#include "cmGlobalUnixMakefileGenerator3.h"
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#include "cmMakefile.h"
#include "cmMakefileTargetGenerator.h"
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#include "cmSourceFile.h"
#include "cmVersion.h"
#include "cmake.h"
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// Include dependency scanners for supported languages. Only the
// C/C++ scanner is needed for bootstrapping CMake.
#include "cmDependsC.h"
#ifdef CMAKE_BUILD_WITH_CMAKE
#include "cmDependsFortran.h"
#include "cmDependsJava.h"
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#endif
#include <cm_auto_ptr.hxx>
#include <cmsys/Terminal.h>
#include <algorithm>
#include <queue>
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// Escape special characters in Makefile dependency lines
class cmMakeSafe
{
public:
cmMakeSafe(const char* s)
: Data(s)
{
}
cmMakeSafe(std::string const& s)
: Data(s.c_str())
{
}
private:
const char* Data;
friend std::ostream& operator<<(std::ostream& os, cmMakeSafe const& self)
{
for (const char* c = self.Data; *c; ++c) {
switch (*c) {
case '=':
os << "$(EQUALS)";
break;
default:
os << *c;
break;
}
}
return os;
}
};
// Helper function used below.
static std::string cmSplitExtension(std::string const& in, std::string& base)
{
std::string ext;
std::string::size_type dot_pos = in.rfind('.');
if (dot_pos != std::string::npos) {
// Remove the extension first in case &base == &in.
ext = in.substr(dot_pos, std::string::npos);
base = in.substr(0, dot_pos);
} else {
base = in;
}
return ext;
}
cmLocalUnixMakefileGenerator3::cmLocalUnixMakefileGenerator3(
cmGlobalGenerator* gg, cmMakefile* mf)
: cmLocalCommonGenerator(gg, mf, cmOutputConverter::START_OUTPUT)
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{
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this->MakefileVariableSize = 0;
this->ColorMakefile = false;
this->SkipPreprocessedSourceRules = false;
this->SkipAssemblySourceRules = false;
this->MakeCommandEscapeTargetTwice = false;
this->BorlandMakeCurlyHack = false;
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}
cmLocalUnixMakefileGenerator3::~cmLocalUnixMakefileGenerator3()
{
}
void cmLocalUnixMakefileGenerator3::Generate()
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{
this->SetConfigName();
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// Record whether some options are enabled to avoid checking many
// times later.
if (!this->GetGlobalGenerator()->GetCMakeInstance()->GetIsInTryCompile()) {
this->ColorMakefile = this->Makefile->IsOn("CMAKE_COLOR_MAKEFILE");
}
this->SkipPreprocessedSourceRules =
this->Makefile->IsOn("CMAKE_SKIP_PREPROCESSED_SOURCE_RULES");
this->SkipAssemblySourceRules =
this->Makefile->IsOn("CMAKE_SKIP_ASSEMBLY_SOURCE_RULES");
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// Generate the rule files for each target.
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
for (std::vector<cmGeneratorTarget*>::iterator t = targets.begin();
t != targets.end(); ++t) {
if ((*t)->GetType() == cmState::INTERFACE_LIBRARY) {
continue;
}
CM_AUTO_PTR<cmMakefileTargetGenerator> tg(
cmMakefileTargetGenerator::New(*t));
if (tg.get()) {
tg->WriteRuleFiles();
gg->RecordTargetProgress(tg.get());
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}
}
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// write the local Makefile
this->WriteLocalMakefile();
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// Write the cmake file with information for this directory.
this->WriteDirectoryInformationFile();
}
void cmLocalUnixMakefileGenerator3::ComputeHomeRelativeOutputPath()
{
// Compute the path to use when referencing the current output
// directory from the top output directory.
this->HomeRelativeOutputPath = this->Convert(
this->GetCurrentBinaryDirectory(), cmOutputConverter::HOME_OUTPUT);
if (this->HomeRelativeOutputPath == ".") {
this->HomeRelativeOutputPath = "";
}
if (!this->HomeRelativeOutputPath.empty()) {
this->HomeRelativeOutputPath += "/";
}
}
void cmLocalUnixMakefileGenerator3::ComputeObjectFilenames(
std::map<cmSourceFile const*, std::string>& mapping,
cmGeneratorTarget const* gt)
{
for (std::map<cmSourceFile const*, std::string>::iterator si =
mapping.begin();
si != mapping.end(); ++si) {
cmSourceFile const* sf = si->first;
si->second =
this->GetObjectFileNameWithoutTarget(*sf, gt->ObjectDirectory);
}
}
void cmLocalUnixMakefileGenerator3::GetLocalObjectFiles(
std::map<std::string, LocalObjectInfo>& localObjectFiles)
{
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
for (std::vector<cmGeneratorTarget*>::iterator ti = targets.begin();
ti != targets.end(); ++ti) {
cmGeneratorTarget* gt = *ti;
if (gt->GetType() == cmState::INTERFACE_LIBRARY) {
continue;
}
std::vector<cmSourceFile const*> objectSources;
gt->GetObjectSources(
objectSources, this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
// Compute full path to object file directory for this target.
std::string dir;
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dir += gt->LocalGenerator->GetCurrentBinaryDirectory();
dir += "/";
dir += this->GetTargetDirectory(gt);
dir += "/";
// Compute the name of each object file.
for (std::vector<cmSourceFile const*>::iterator si = objectSources.begin();
si != objectSources.end(); ++si) {
cmSourceFile const* sf = *si;
bool hasSourceExtension = true;
std::string objectName =
this->GetObjectFileNameWithoutTarget(*sf, dir, &hasSourceExtension);
if (cmSystemTools::FileIsFullPath(objectName.c_str())) {
objectName = cmSystemTools::GetFilenameName(objectName);
}
LocalObjectInfo& info = localObjectFiles[objectName];
info.HasSourceExtension = hasSourceExtension;
info.push_back(LocalObjectEntry(gt, sf->GetLanguage()));
}
}
}
void cmLocalUnixMakefileGenerator3::GetIndividualFileTargets(
std::vector<std::string>& targets)
{
std::map<std::string, LocalObjectInfo> localObjectFiles;
this->GetLocalObjectFiles(localObjectFiles);
for (std::map<std::string, LocalObjectInfo>::iterator lo =
localObjectFiles.begin();
lo != localObjectFiles.end(); ++lo) {
targets.push_back(lo->first);
std::string::size_type dot_pos = lo->first.rfind(".");
std::string base = lo->first.substr(0, dot_pos);
if (lo->second.HasPreprocessRule) {
targets.push_back(base + ".i");
}
if (lo->second.HasAssembleRule) {
targets.push_back(base + ".s");
}
}
}
void cmLocalUnixMakefileGenerator3::WriteLocalMakefile()
{
// generate the includes
std::string ruleFileName = "Makefile";
// 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());
if (!ruleFileStream) {
return;
}
// always write the top makefile
if (!this->IsRootMakefile()) {
ruleFileStream.SetCopyIfDifferent(true);
}
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// write the all rules
this->WriteLocalAllRules(ruleFileStream);
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// only write local targets unless at the top Keep track of targets already
// listed.
std::set<std::string> emittedTargets;
if (!this->IsRootMakefile()) {
// write our targets, and while doing it collect up the object
// file rules
this->WriteLocalMakefileTargets(ruleFileStream, emittedTargets);
} else {
cmGlobalUnixMakefileGenerator3* gg =
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static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
gg->WriteConvenienceRules(ruleFileStream, emittedTargets);
}
bool do_preprocess_rules = this->GetCreatePreprocessedSourceRules();
bool do_assembly_rules = this->GetCreateAssemblySourceRules();
std::map<std::string, LocalObjectInfo> localObjectFiles;
this->GetLocalObjectFiles(localObjectFiles);
// now write out the object rules
// for each object file name
for (std::map<std::string, LocalObjectInfo>::iterator lo =
localObjectFiles.begin();
lo != localObjectFiles.end(); ++lo) {
// Add a convenience rule for building the object file.
this->WriteObjectConvenienceRule(ruleFileStream,
"target to build an object file",
lo->first.c_str(), lo->second);
// Check whether preprocessing and assembly rules make sense.
// They make sense only for C and C++ sources.
bool lang_has_preprocessor = false;
bool lang_has_assembly = false;
for (std::vector<LocalObjectEntry>::const_iterator ei = lo->second.begin();
ei != lo->second.end(); ++ei) {
if (ei->Language == "C" || ei->Language == "CXX" ||
ei->Language == "Fortran") {
// Right now, C, C++ and Fortran have both a preprocessor and the
// ability to generate assembly code
lang_has_preprocessor = true;
lang_has_assembly = true;
break;
}
}
// Add convenience rules for preprocessed and assembly files.
if (lang_has_preprocessor && do_preprocess_rules) {
std::string::size_type dot_pos = lo->first.rfind(".");
std::string base = lo->first.substr(0, dot_pos);
this->WriteObjectConvenienceRule(ruleFileStream,
"target to preprocess a source file",
(base + ".i").c_str(), lo->second);
lo->second.HasPreprocessRule = true;
}
if (lang_has_assembly && do_assembly_rules) {
std::string::size_type dot_pos = lo->first.rfind(".");
std::string base = lo->first.substr(0, dot_pos);
this->WriteObjectConvenienceRule(
ruleFileStream, "target to generate assembly for a file",
(base + ".s").c_str(), lo->second);
lo->second.HasAssembleRule = true;
}
}
// add a help target as long as there isn;t a real target named help
if (emittedTargets.insert("help").second) {
cmGlobalUnixMakefileGenerator3* gg =
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static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
gg->WriteHelpRule(ruleFileStream, this);
}
this->WriteSpecialTargetsBottom(ruleFileStream);
}
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void cmLocalUnixMakefileGenerator3::WriteObjectConvenienceRule(
std::ostream& ruleFileStream, const char* comment, const char* output,
LocalObjectInfo const& info)
{
// If the rule includes the source file extension then create a
// version that has the extension removed. The help should include
// only the version without source extension.
bool inHelp = true;
if (info.HasSourceExtension) {
// Remove the last extension. This should be kept.
std::string outBase1 = output;
std::string outExt1 = cmSplitExtension(outBase1, outBase1);
// Now remove the source extension and put back the last
// extension.
std::string outNoExt;
cmSplitExtension(outBase1, outNoExt);
outNoExt += outExt1;
// Add a rule to drive the rule below.
std::vector<std::string> depends;
depends.push_back(output);
std::vector<std::string> no_commands;
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this->WriteMakeRule(ruleFileStream, CM_NULLPTR, outNoExt, depends,
no_commands, true, true);
inHelp = false;
}
// Recursively make the rule for each target using the object file.
std::vector<std::string> commands;
for (std::vector<LocalObjectEntry>::const_iterator t = info.begin();
t != info.end(); ++t) {
std::string tgtMakefileName = this->GetRelativeTargetDirectory(t->Target);
std::string targetName = tgtMakefileName;
tgtMakefileName += "/build.make";
targetName += "/";
targetName += output;
commands.push_back(
this->GetRecursiveMakeCall(tgtMakefileName.c_str(), targetName));
}
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
// Write the rule to the makefile.
std::vector<std::string> no_depends;
this->WriteMakeRule(ruleFileStream, comment, output, no_depends, commands,
true, inHelp);
}
void cmLocalUnixMakefileGenerator3::WriteLocalMakefileTargets(
std::ostream& ruleFileStream, std::set<std::string>& emitted)
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{
std::vector<std::string> depends;
std::vector<std::string> commands;
// for each target we just provide a rule to cd up to the top and do a make
// on the target
std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
std::string localName;
for (std::vector<cmGeneratorTarget*>::iterator t = targets.begin();
t != targets.end(); ++t) {
if (((*t)->GetType() == cmState::EXECUTABLE) ||
((*t)->GetType() == cmState::STATIC_LIBRARY) ||
((*t)->GetType() == cmState::SHARED_LIBRARY) ||
((*t)->GetType() == cmState::MODULE_LIBRARY) ||
((*t)->GetType() == cmState::OBJECT_LIBRARY) ||
((*t)->GetType() == cmState::UTILITY)) {
emitted.insert((*t)->GetName());
// for subdirs add a rule to build this specific target by name.
localName = this->GetRelativeTargetDirectory(*t);
localName += "/rule";
commands.clear();
depends.clear();
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// Build the target for this pass.
std::string makefile2 = cmake::GetCMakeFilesDirectoryPostSlash();
makefile2 += "Makefile2";
commands.push_back(
this->GetRecursiveMakeCall(makefile2.c_str(), localName));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
localName, depends, commands, true);
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// Add a target with the canonical name (no prefix, suffix or path).
if (localName != (*t)->GetName()) {
commands.clear();
depends.push_back(localName);
this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
(*t)->GetName(), depends, commands, true);
}
// Add a fast rule to build the target
std::string makefileName = this->GetRelativeTargetDirectory(*t);
makefileName += "/build.make";
// make sure the makefile name is suitable for a makefile
std::string makeTargetName = this->GetRelativeTargetDirectory(*t);
makeTargetName += "/build";
localName = (*t)->GetName();
localName += "/fast";
depends.clear();
commands.clear();
commands.push_back(
this->GetRecursiveMakeCall(makefileName.c_str(), makeTargetName));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream, "fast build rule for target.",
localName, depends, commands, true);
// Add a local name for the rule to relink the target before
// installation.
if ((*t)->NeedRelinkBeforeInstall(this->ConfigName)) {
makeTargetName = this->GetRelativeTargetDirectory(*t);
makeTargetName += "/preinstall";
localName = (*t)->GetName();
localName += "/preinstall";
depends.clear();
commands.clear();
commands.push_back(
this->GetRecursiveMakeCall(makefile2.c_str(), makeTargetName));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream,
"Manual pre-install relink rule for target.",
localName, depends, commands, true);
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}
}
}
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}
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void cmLocalUnixMakefileGenerator3::WriteDirectoryInformationFile()
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{
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std::string infoFileName = this->GetCurrentBinaryDirectory();
infoFileName += cmake::GetCMakeFilesDirectory();
infoFileName += "/CMakeDirectoryInformation.cmake";
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// Open the output file.
cmGeneratedFileStream infoFileStream(infoFileName.c_str());
if (!infoFileStream) {
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return;
}
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infoFileStream.SetCopyIfDifferent(true);
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// Write the do not edit header.
this->WriteDisclaimer(infoFileStream);
// Setup relative path conversion tops.
/* clang-format off */
infoFileStream
<< "# Relative path conversion top directories.\n"
<< "set(CMAKE_RELATIVE_PATH_TOP_SOURCE \""
<< this->StateSnapshot.GetDirectory().GetRelativePathTopSource()
<< "\")\n"
<< "set(CMAKE_RELATIVE_PATH_TOP_BINARY \""
<< this->StateSnapshot.GetDirectory().GetRelativePathTopBinary()
<< "\")\n"
<< "\n";
/* clang-format on */
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// Tell the dependency scanner to use unix paths if necessary.
if (cmSystemTools::GetForceUnixPaths()) {
/* clang-format off */
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infoFileStream
<< "# Force unix paths in dependencies.\n"
<< "set(CMAKE_FORCE_UNIX_PATHS 1)\n"
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<< "\n";
/* clang-format on */
}
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// Store the include regular expressions for this directory.
infoFileStream << "\n"
<< "# The C and CXX include file regular expressions for "
<< "this directory.\n";
infoFileStream << "set(CMAKE_C_INCLUDE_REGEX_SCAN ";
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this->WriteCMakeArgument(infoFileStream,
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this->Makefile->GetIncludeRegularExpression());
infoFileStream << ")\n";
infoFileStream << "set(CMAKE_C_INCLUDE_REGEX_COMPLAIN ";
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this->WriteCMakeArgument(infoFileStream,
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this->Makefile->GetComplainRegularExpression());
infoFileStream << ")\n";
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infoFileStream
<< "set(CMAKE_CXX_INCLUDE_REGEX_SCAN ${CMAKE_C_INCLUDE_REGEX_SCAN})\n";
infoFileStream << "set(CMAKE_CXX_INCLUDE_REGEX_COMPLAIN "
"${CMAKE_C_INCLUDE_REGEX_COMPLAIN})\n";
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}
std::string cmLocalUnixMakefileGenerator3::ConvertToFullPath(
const std::string& localPath)
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{
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std::string dir = this->GetCurrentBinaryDirectory();
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dir += "/";
dir += localPath;
return dir;
}
const std::string& cmLocalUnixMakefileGenerator3::GetHomeRelativeOutputPath()
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{
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return this->HomeRelativeOutputPath;
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}
void cmLocalUnixMakefileGenerator3::WriteMakeRule(
std::ostream& os, const char* comment, const std::string& target,
const std::vector<std::string>& depends,
const std::vector<std::string>& commands, bool symbolic, bool in_help)
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{
// Make sure there is a target.
if (target.empty()) {
cmSystemTools::Error("No target for WriteMakeRule! called with comment: ",
comment);
return;
}
std::string replace;
// Write the comment describing the rule in the makefile.
if (comment) {
replace = comment;
std::string::size_type lpos = 0;
std::string::size_type rpos;
while ((rpos = replace.find('\n', lpos)) != std::string::npos) {
os << "# " << replace.substr(lpos, rpos - lpos) << "\n";
lpos = rpos + 1;
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}
os << "# " << replace.substr(lpos) << "\n";
}
// Construct the left hand side of the rule.
std::string tgt = this->Convert(target, cmOutputConverter::HOME_OUTPUT,
cmOutputConverter::MAKERULE);
const char* space = "";
if (tgt.size() == 1) {
// Add a space before the ":" to avoid drive letter confusion on
// Windows.
space = " ";
}
// Mark the rule as symbolic if requested.
if (symbolic) {
if (const char* sym =
this->Makefile->GetDefinition("CMAKE_MAKE_SYMBOLIC_RULE")) {
os << cmMakeSafe(tgt) << space << ": " << sym << "\n";
}
}
// Write the rule.
if (depends.empty()) {
// No dependencies. The commands will always run.
os << cmMakeSafe(tgt) << space << ":\n";
} else {
// Split dependencies into multiple rule lines. This allows for
// very long dependency lists even on older make implementations.
for (std::vector<std::string>::const_iterator dep = depends.begin();
dep != depends.end(); ++dep) {
replace = *dep;
replace = this->Convert(replace, cmOutputConverter::HOME_OUTPUT,
cmOutputConverter::MAKERULE);
os << cmMakeSafe(tgt) << space << ": " << cmMakeSafe(replace) << "\n";
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}
}
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// Write the list of commands.
os << cmWrap("\t", commands, "", "\n") << "\n";
if (symbolic && !this->IsWatcomWMake()) {
os << ".PHONY : " << cmMakeSafe(tgt) << "\n";
}
os << "\n";
// Add the output to the local help if requested.
if (in_help) {
this->LocalHelp.push_back(target);
}
}
std::string cmLocalUnixMakefileGenerator3::MaybeConvertWatcomShellCommand(
std::string const& cmd)
{
if (this->IsWatcomWMake() && cmSystemTools::FileIsFullPath(cmd.c_str()) &&
cmd.find_first_of("( )") != cmd.npos) {
// On Watcom WMake use the windows short path for the command
// name. This is needed to avoid funny quoting problems on
// lines with shell redirection operators.
std::string scmd;
if (cmSystemTools::GetShortPath(cmd, scmd)) {
return this->ConvertToOutputFormat(scmd, cmOutputConverter::SHELL);
}
}
return std::string();
}
void cmLocalUnixMakefileGenerator3::WriteMakeVariables(
std::ostream& makefileStream)
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{
this->WriteDivider(makefileStream);
makefileStream << "# Set environment variables for the build.\n"
<< "\n";
cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
if (gg->DefineWindowsNULL) {
makefileStream << "!IF \"$(OS)\" == \"Windows_NT\"\n"
<< "NULL=\n"
<< "!ELSE\n"
<< "NULL=nul\n"
<< "!ENDIF\n";
}
if (this->IsWindowsShell()) {
makefileStream << "SHELL = cmd.exe\n"
<< "\n";
} else {
#if !defined(__VMS)
/* clang-format off */
makefileStream
<< "# The shell in which to execute make rules.\n"
<< "SHELL = /bin/sh\n"
<< "\n";
/* clang-format on */
#endif
}
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std::string cmakeShellCommand =
this->MaybeConvertWatcomShellCommand(cmSystemTools::GetCMakeCommand());
if (cmakeShellCommand.empty()) {
cmakeShellCommand =
this->Convert(cmSystemTools::GetCMakeCommand(), cmOutputConverter::FULL,
cmOutputConverter::SHELL);
}
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/* clang-format off */
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makefileStream
<< "# The CMake executable.\n"
<< "CMAKE_COMMAND = "
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<< cmakeShellCommand
<< "\n"
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<< "\n";
makefileStream
<< "# The command to remove a file.\n"
<< "RM = "
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<< cmakeShellCommand
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<< " -E remove -f\n"
<< "\n";
makefileStream
<< "# Escaping for special characters.\n"
<< "EQUALS = =\n"
<< "\n";
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makefileStream
<< "# The top-level source directory on which CMake was run.\n"
<< "CMAKE_SOURCE_DIR = "
<< this->Convert(this->GetSourceDirectory(),
cmOutputConverter::FULL,
cmOutputConverter::SHELL)
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<< "\n"
<< "\n";
makefileStream
<< "# The top-level build directory on which CMake was run.\n"
<< "CMAKE_BINARY_DIR = "
<< this->Convert(this->GetBinaryDirectory(),
cmOutputConverter::FULL,
cmOutputConverter::SHELL)
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<< "\n"
<< "\n";
/* clang-format on */
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}
void cmLocalUnixMakefileGenerator3::WriteSpecialTargetsTop(
std::ostream& makefileStream)
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{
this->WriteDivider(makefileStream);
makefileStream << "# Special targets provided by cmake.\n"
<< "\n";
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std::vector<std::string> no_commands;
std::vector<std::string> no_depends;
// Special target to cleanup operation of make tool.
// This should be the first target except for the default_target in
// the interface Makefile.
this->WriteMakeRule(makefileStream,
"Disable implicit rules so canonical targets will work.",
".SUFFIXES", no_depends, no_commands, false);
if (!this->IsNMake() && !this->IsWatcomWMake() &&
!this->BorlandMakeCurlyHack) {
// turn off RCS and SCCS automatic stuff from gmake
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makefileStream
<< "# Remove some rules from gmake that .SUFFIXES does not remove.\n"
<< "SUFFIXES =\n\n";
}
// Add a fake suffix to keep HP happy. Must be max 32 chars for SGI make.
std::vector<std::string> depends;
depends.push_back(".hpux_make_needs_suffix_list");
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this->WriteMakeRule(makefileStream, CM_NULLPTR, ".SUFFIXES", depends,
no_commands, false);
if (this->IsWatcomWMake()) {
// Switch on WMake feature, if an error or interrupt occurs during
// makefile processing, the current target being made may be deleted
// without prompting (the same as command line -e option).
/* clang-format off */
makefileStream <<
"\n"
".ERASE\n"
"\n"
;
/* clang-format on */
}
if (this->Makefile->IsOn("CMAKE_VERBOSE_MAKEFILE")) {
/* clang-format off */
makefileStream
<< "# Produce verbose output by default.\n"
<< "VERBOSE = 1\n"
<< "\n";
/* clang-format on */
}
if (this->IsWatcomWMake()) {
/* clang-format off */
makefileStream <<
"!ifndef VERBOSE\n"
".SILENT\n"
"!endif\n"
"\n"
;
/* clang-format on */
} else {
// 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.
this->WriteMakeRule(makefileStream,
"Suppress display of executed commands.",
"$(VERBOSE).SILENT", no_depends, no_commands, false);
}
// Work-around for makes that drop rules that have no dependencies
// or commands.
cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
std::string hack = gg->GetEmptyRuleHackDepends();
if (!hack.empty()) {
no_depends.push_back(hack);
}
std::string hack_cmd = gg->GetEmptyRuleHackCommand();
if (!hack_cmd.empty()) {
no_commands.push_back(hack_cmd);
}
// Special symbolic target that never exists to force dependers to
// run their rules.
this->WriteMakeRule(makefileStream, "A target that is always out of date.",
"cmake_force", no_depends, no_commands, true);
// Variables for reference by other rules.
this->WriteMakeVariables(makefileStream);
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}
void cmLocalUnixMakefileGenerator3::WriteSpecialTargetsBottom(
std::ostream& makefileStream)
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{
this->WriteDivider(makefileStream);
makefileStream << "# Special targets to cleanup operation of make.\n"
<< "\n";
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// 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 = cmake::GetCMakeFilesDirectoryPostSlash();
cmakefileName += "Makefile.cmake";
std::string runRule =
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
runRule += " --check-build-system ";
runRule +=
this->ConvertToOutputFormat(cmakefileName, cmOutputConverter::SHELL);
runRule += " 0";
std::vector<std::string> no_depends;
std::vector<std::string> commands;
commands.push_back(runRule);
if (!this->IsRootMakefile()) {
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
}
this->WriteMakeRule(
makefileStream, "Special rule to run CMake to check the build system "
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"integrity.\n"
"No rule that depends on this can have "
"commands that come from listfiles\n"
"because they might be regenerated.",
"cmake_check_build_system", no_depends, commands, true);
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}
}
void cmLocalUnixMakefileGenerator3::WriteConvenienceRule(
std::ostream& ruleFileStream, const std::string& realTarget,
const std::string& helpTarget)
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{
// A rule is only needed if the names are different.
if (realTarget != helpTarget) {
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// The helper target depends on the real target.
std::vector<std::string> depends;
depends.push_back(realTarget);
// There are no commands.
std::vector<std::string> no_commands;
// Write the rule.
this->WriteMakeRule(ruleFileStream, "Convenience name for target.",
helpTarget, depends, no_commands, true);
}
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}
std::string cmLocalUnixMakefileGenerator3::GetRelativeTargetDirectory(
cmGeneratorTarget* target)
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{
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std::string dir = this->HomeRelativeOutputPath;
dir += this->GetTargetDirectory(target);
return dir;
}
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void cmLocalUnixMakefileGenerator3::AppendFlags(std::string& flags,
const std::string& newFlags)
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{
if (this->IsWatcomWMake() && !newFlags.empty()) {
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std::string newf = newFlags;
if (newf.find("\\\"") != newf.npos) {
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cmSystemTools::ReplaceString(newf, "\\\"", "\"");
this->cmLocalGenerator::AppendFlags(flags, newf);
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return;
}
}
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this->cmLocalGenerator::AppendFlags(flags, newFlags);
}
void cmLocalUnixMakefileGenerator3::AppendFlags(std::string& flags,
const char* newFlags)
{
this->cmLocalGenerator::AppendFlags(flags, newFlags);
}
void cmLocalUnixMakefileGenerator3::AppendRuleDepend(
std::vector<std::string>& depends, const char* ruleFileName)
{
// Add a dependency on the rule file itself unless an option to skip
// it is specifically enabled by the user or project.
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const char* nodep =
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this->Makefile->GetDefinition("CMAKE_SKIP_RULE_DEPENDENCY");
if (!nodep || cmSystemTools::IsOff(nodep)) {
depends.push_back(ruleFileName);
}
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}
void cmLocalUnixMakefileGenerator3::AppendRuleDepends(
std::vector<std::string>& depends, std::vector<std::string> const& ruleFiles)
{
// Add a dependency on the rule file itself unless an option to skip
// it is specifically enabled by the user or project.
if (!this->Makefile->IsOn("CMAKE_SKIP_RULE_DEPENDENCY")) {
depends.insert(depends.end(), ruleFiles.begin(), ruleFiles.end());
}
}
void cmLocalUnixMakefileGenerator3::AppendCustomDepends(
std::vector<std::string>& depends, const std::vector<cmCustomCommand>& ccs)
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{
for (std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
i != ccs.end(); ++i) {
cmCustomCommandGenerator ccg(*i, this->ConfigName, this);
this->AppendCustomDepend(depends, ccg);
}
}
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void cmLocalUnixMakefileGenerator3::AppendCustomDepend(
std::vector<std::string>& depends, cmCustomCommandGenerator const& ccg)
{
for (std::vector<std::string>::const_iterator d = ccg.GetDepends().begin();
d != ccg.GetDepends().end(); ++d) {
// Lookup the real name of the dependency in case it is a CMake target.
std::string dep;
if (this->GetRealDependency(*d, this->ConfigName, dep)) {
depends.push_back(dep);
}
}
}
void cmLocalUnixMakefileGenerator3::AppendCustomCommands(
std::vector<std::string>& commands, const std::vector<cmCustomCommand>& ccs,
cmGeneratorTarget* target, std::string const& relative)
{
for (std::vector<cmCustomCommand>::const_iterator i = ccs.begin();
i != ccs.end(); ++i) {
cmCustomCommandGenerator ccg(*i, this->ConfigName, this);
this->AppendCustomCommand(commands, ccg, target, relative, true);
}
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}
void cmLocalUnixMakefileGenerator3::AppendCustomCommand(
std::vector<std::string>& commands, cmCustomCommandGenerator const& ccg,
cmGeneratorTarget* target, std::string const& relative, bool echo_comment,
std::ostream* content)
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{
// Optionally create a command to display the custom command's
// comment text. This is used for pre-build, pre-link, and
// post-build command comments. Custom build step commands have
// their comments generated elsewhere.
if (echo_comment) {
const char* comment = ccg.GetComment();
if (comment && *comment) {
this->AppendEcho(commands, comment,
cmLocalUnixMakefileGenerator3::EchoGenerate);
}
}
// if the command specified a working directory use it.
std::string dir = this->GetCurrentBinaryDirectory();
std::string workingDir = ccg.GetWorkingDirectory();
if (!workingDir.empty()) {
dir = workingDir;
}
if (content) {
*content << dir;
}
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// Add each command line to the set of commands.
std::vector<std::string> commands1;
for (unsigned int c = 0; c < ccg.GetNumberOfCommands(); ++c) {
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// Build the command line in a single string.
std::string cmd = ccg.GetCommand(c);
if (!cmd.empty()) {
// Use "call " before any invocations of .bat or .cmd files
// invoked as custom commands in the WindowsShell.
//
bool useCall = false;
if (this->IsWindowsShell()) {
std::string suffix;
if (cmd.size() > 4) {
suffix = cmSystemTools::LowerCase(cmd.substr(cmd.size() - 4));
if (suffix == ".bat" || suffix == ".cmd") {
useCall = true;
}
}
}
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cmSystemTools::ReplaceString(cmd, "/./", "/");
// Convert the command to a relative path only if the current
// working directory will be the start-output directory.
bool had_slash = cmd.find('/') != cmd.npos;
if (workingDir.empty()) {
cmd = this->Convert(cmd, cmOutputConverter::START_OUTPUT);
}
bool has_slash = cmd.find('/') != cmd.npos;
if (had_slash && !has_slash) {
// This command was specified as a path to a file in the
// current directory. Add a leading "./" so it can run
// without the current directory being in the search path.
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cmd = "./" + cmd;
}
std::string launcher;
// Short-circuit if there is no launcher.
const char* prop = "RULE_LAUNCH_CUSTOM";
const char* val = this->GetRuleLauncher(target, prop);
if (val && *val) {
// Expand rules in the empty string. It may insert the launcher and
// perform replacements.
RuleVariables vars;
vars.RuleLauncher = prop;
vars.CMTarget = target;
std::string output;
const std::vector<std::string>& outputs = ccg.GetOutputs();
if (!outputs.empty()) {
if (workingDir.empty()) {
output = this->Convert(outputs[0], cmOutputConverter::START_OUTPUT,
cmOutputConverter::SHELL);
} else {
output = this->ConvertToOutputFormat(outputs[0],
cmOutputConverter::SHELL);
}
}
vars.Output = output.c_str();
this->ExpandRuleVariables(launcher, vars);
if (!launcher.empty()) {
launcher += " ";
}
}
std::string shellCommand = this->MaybeConvertWatcomShellCommand(cmd);
if (shellCommand.empty()) {
shellCommand =
this->ConvertToOutputFormat(cmd, cmOutputConverter::SHELL);
}
cmd = launcher + shellCommand;
ccg.AppendArguments(c, cmd);
if (content) {
// Rule content does not include the launcher.
*content << (cmd.c_str() + launcher.size());
}
if (this->BorlandMakeCurlyHack) {
// Borland Make has a very strange bug. If the first curly
// brace anywhere in the command string is a left curly, it
// must be written {{} instead of just {. Otherwise some
// curly braces are removed. The hack can be skipped if the
// first curly brace is the last character.
std::string::size_type lcurly = cmd.find('{');
if (lcurly != cmd.npos && lcurly < (cmd.size() - 1)) {
std::string::size_type rcurly = cmd.find('}');
if (rcurly == cmd.npos || rcurly > lcurly) {
// The first curly is a left curly. Use the hack.
std::string hack_cmd = cmd.substr(0, lcurly);
hack_cmd += "{{}";
hack_cmd += cmd.substr(lcurly + 1);
cmd = hack_cmd;
}
}
}
if (launcher.empty()) {
if (useCall) {
cmd = "call " + cmd;
} else if (this->IsNMake() && cmd[0] == '"') {
cmd = "echo >nul && " + cmd;
}
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}
commands1.push_back(cmd);
}
}
// Setup the proper working directory for the commands.
this->CreateCDCommand(commands1, dir.c_str(), relative);
// push back the custom commands
commands.insert(commands.end(), commands1.begin(), commands1.end());
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}
void cmLocalUnixMakefileGenerator3::AppendCleanCommand(
std::vector<std::string>& commands, const std::vector<std::string>& files,
cmGeneratorTarget* target, const char* filename)
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{
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std::string cleanfile = this->GetCurrentBinaryDirectory();
cleanfile += "/";
cleanfile += this->GetTargetDirectory(target);
cleanfile += "/cmake_clean";
if (filename) {
cleanfile += "_";
cleanfile += filename;
}
cleanfile += ".cmake";
std::string cleanfilePath = cmSystemTools::CollapseFullPath(cleanfile);
cmsys::ofstream fout(cleanfilePath.c_str());
if (!fout) {
cmSystemTools::Error("Could not create ", cleanfilePath.c_str());
}
if (!files.empty()) {
fout << "file(REMOVE_RECURSE\n";
for (std::vector<std::string>::const_iterator f = files.begin();
f != files.end(); ++f) {
std::string fc = this->Convert(*f, cmOutputConverter::START_OUTPUT,
cmOutputConverter::UNCHANGED);
fout << " " << cmOutputConverter::EscapeForCMake(fc) << "\n";
}
fout << ")\n";
}
std::string remove = "$(CMAKE_COMMAND) -P ";
remove += this->Convert(cleanfile, cmOutputConverter::START_OUTPUT,
cmOutputConverter::SHELL);
commands.push_back(remove);
// For the main clean rule add per-language cleaning.
if (!filename) {
// Get the set of source languages in the target.
std::set<std::string> languages;
target->GetLanguages(
languages, this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE"));
/* clang-format off */
fout << "\n"
<< "# Per-language clean rules from dependency scanning.\n"
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<< "foreach(lang " << cmJoin(languages, " ") << ")\n"
<< " include(" << this->GetTargetDirectory(target)
<< "/cmake_clean_${lang}.cmake OPTIONAL)\n"
<< "endforeach()\n";
/* clang-format on */
}
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}
void cmLocalUnixMakefileGenerator3::AppendEcho(
std::vector<std::string>& commands, std::string const& text, EchoColor color,
EchoProgress const* progress)
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{
// Choose the color for the text.
std::string color_name;
if (this->GlobalGenerator->GetToolSupportsColor() && this->ColorMakefile) {
// See cmake::ExecuteEchoColor in cmake.cxx for these options.
// This color set is readable on both black and white backgrounds.
switch (color) {
case EchoNormal:
break;
case EchoDepend:
color_name = "--magenta --bold ";
break;
case EchoBuild:
color_name = "--green ";
break;
case EchoLink:
color_name = "--green --bold ";
break;
case EchoGenerate:
color_name = "--blue --bold ";
break;
case EchoGlobal:
color_name = "--cyan ";
break;
}
}
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// Echo one line at a time.
std::string line;
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line.reserve(200);
for (const char* c = text.c_str();; ++c) {
if (*c == '\n' || *c == '\0') {
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// Avoid writing a blank last line on end-of-string.
if (*c != '\0' || !line.empty()) {
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// Add a command to echo this line.
std::string cmd;
if (color_name.empty() && !progress) {
// Use the native echo command.
cmd = "@echo ";
cmd += this->EscapeForShell(line, false, true);
} else {
// Use cmake to echo the text in color.
cmd = "@$(CMAKE_COMMAND) -E cmake_echo_color --switch=$(COLOR) ";
cmd += color_name;
if (progress) {
cmd += "--progress-dir=";
cmd += this->Convert(progress->Dir, cmOutputConverter::FULL,
cmOutputConverter::SHELL);
cmd += " ";
cmd += "--progress-num=";
cmd += progress->Arg;
cmd += " ";
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}
cmd += this->EscapeForShell(line);
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}
commands.push_back(cmd);
}
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// Reset the line to emtpy.
line = "";
// Progress appears only on first line.
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progress = CM_NULLPTR;
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// Terminate on end-of-string.
if (*c == '\0') {
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return;
}
} else if (*c != '\r') {
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// Append this character to the current line.
line += *c;
}
}
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}
std::string cmLocalUnixMakefileGenerator3::CreateMakeVariable(
const std::string& sin, const std::string& s2)
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{
std::string s = sin;
std::string unmodified = s;
unmodified += s2;
// if there is no restriction on the length of make variables
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// and there are no "." characters in the string, then return the
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// unmodified combination.
if ((!this->MakefileVariableSize && unmodified.find('.') == s.npos) &&
(!this->MakefileVariableSize && unmodified.find('+') == s.npos) &&
(!this->MakefileVariableSize && unmodified.find('-') == s.npos)) {
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return unmodified;
}
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// see if the variable has been defined before and return
// the modified version of the variable
std::map<std::string, std::string>::iterator i =
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this->MakeVariableMap.find(unmodified);
if (i != this->MakeVariableMap.end()) {
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return i->second;
}
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// start with the unmodified variable
std::string ret = unmodified;
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// if this there is no value for this->MakefileVariableSize then
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// the string must have bad characters in it
if (!this->MakefileVariableSize) {
std::replace(ret.begin(), ret.end(), '.', '_');
cmSystemTools::ReplaceString(ret, "-", "__");
cmSystemTools::ReplaceString(ret, "+", "___");
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int ni = 0;
char buffer[5];
// make sure the _ version is not already used, if
// it is used then add number to the end of the variable
while (this->ShortMakeVariableMap.count(ret) && ni < 1000) {
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++ni;
sprintf(buffer, "%04d", ni);
ret = unmodified + buffer;
}
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this->ShortMakeVariableMap[ret] = "1";
this->MakeVariableMap[unmodified] = ret;
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return ret;
}
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// if the string is greater than 32 chars it is an invalid variable name
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// for borland make
if (static_cast<int>(ret.size()) > this->MakefileVariableSize) {
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int keep = this->MakefileVariableSize - 8;
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int size = keep + 3;
std::string str1 = s;
std::string str2 = s2;
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// we must shorten the combined string by 4 characters
// keep no more than 24 characters from the second string
if (static_cast<int>(str2.size()) > keep) {
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str2 = str2.substr(0, keep);
}
if (static_cast<int>(str1.size()) + static_cast<int>(str2.size()) > size) {
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str1 = str1.substr(0, size - str2.size());
}
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char buffer[5];
int ni = 0;
sprintf(buffer, "%04d", ni);
ret = str1 + str2 + buffer;
while (this->ShortMakeVariableMap.count(ret) && ni < 1000) {
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++ni;
sprintf(buffer, "%04d", ni);
ret = str1 + str2 + buffer;
}
if (ni == 1000) {
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cmSystemTools::Error("Borland makefile variable length too long");
return unmodified;
}
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// once an unused variable is found
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this->ShortMakeVariableMap[ret] = "1";
}
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// always make an entry into the unmodified to variable map
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this->MakeVariableMap[unmodified] = ret;
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return ret;
}
bool cmLocalUnixMakefileGenerator3::UpdateDependencies(const char* tgtInfo,
bool verbose,
bool color)
{
// read in the target info file
if (!this->Makefile->ReadListFile(tgtInfo) ||
cmSystemTools::GetErrorOccuredFlag()) {
cmSystemTools::Error("Target DependInfo.cmake file not found");
}
// Check if any multiple output pairs have a missing file.
this->CheckMultipleOutputs(verbose);
std::string dir = cmSystemTools::GetFilenamePath(tgtInfo);
std::string internalDependFile = dir + "/depend.internal";
std::string dependFile = dir + "/depend.make";
// If the target DependInfo.cmake file has changed since the last
// time dependencies were scanned then force rescanning. This may
// happen when a new source file is added and CMake regenerates the
// project but no other sources were touched.
bool needRescanDependInfo = false;
cmFileTimeComparison* ftc =
this->GlobalGenerator->GetCMakeInstance()->GetFileComparison();
{
int result;
if (!ftc->FileTimeCompare(internalDependFile.c_str(), tgtInfo, &result) ||
result < 0) {
if (verbose) {
std::ostringstream msg;
msg << "Dependee \"" << tgtInfo << "\" is newer than depender \""
<< internalDependFile << "\"." << std::endl;
cmSystemTools::Stdout(msg.str().c_str());
}
needRescanDependInfo = true;
}
}
// If the directory information is newer than depend.internal, include dirs
// may have changed. In this case discard all old dependencies.
bool needRescanDirInfo = false;
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std::string dirInfoFile = this->GetCurrentBinaryDirectory();
dirInfoFile += cmake::GetCMakeFilesDirectory();
dirInfoFile += "/CMakeDirectoryInformation.cmake";
{
int result;
if (!ftc->FileTimeCompare(internalDependFile.c_str(), dirInfoFile.c_str(),
&result) ||
result < 0) {
if (verbose) {
std::ostringstream msg;
msg << "Dependee \"" << dirInfoFile << "\" is newer than depender \""
<< internalDependFile << "\"." << std::endl;
cmSystemTools::Stdout(msg.str().c_str());
}
needRescanDirInfo = true;
}
}
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// Check the implicit dependencies to see if they are up to date.
// The build.make file may have explicit dependencies for the object
// files but these will not affect the scanning process so they need
// not be considered.
std::map<std::string, cmDepends::DependencyVector> validDependencies;
bool needRescanDependencies = false;
if (!needRescanDirInfo) {
cmDependsC checker;
checker.SetVerbose(verbose);
checker.SetFileComparison(ftc);
// cmDependsC::Check() fills the vector validDependencies() with the
// dependencies for those files where they are still valid, i.e. neither
// the files themselves nor any files they depend on have changed.
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// We don't do that if the CMakeDirectoryInformation.cmake file has
// changed, because then potentially all dependencies have changed.
// This information is given later on to cmDependsC, which then only
// rescans the files where it did not get valid dependencies via this
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// dependency vector. This means that in the normal case, when only
// few or one file have been edited, then also only this one file is
// actually scanned again, instead of all files for this target.
needRescanDependencies = !checker.Check(
dependFile.c_str(), internalDependFile.c_str(), validDependencies);
}
if (needRescanDependInfo || needRescanDirInfo || needRescanDependencies) {
// The dependencies must be regenerated.
std::string targetName = cmSystemTools::GetFilenameName(dir);
targetName = targetName.substr(0, targetName.length() - 4);
std::string message = "Scanning dependencies of target ";
message += targetName;
cmSystemTools::MakefileColorEcho(cmsysTerminal_Color_ForegroundMagenta |
cmsysTerminal_Color_ForegroundBold,
message.c_str(), true, color);
return this->ScanDependencies(dir.c_str(), validDependencies);
}
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// The dependencies are already up-to-date.
return true;
}
bool cmLocalUnixMakefileGenerator3::ScanDependencies(
const char* targetDir,
std::map<std::string, cmDepends::DependencyVector>& validDeps)
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{
// Read the directory information file.
cmMakefile* mf = this->Makefile;
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bool haveDirectoryInfo = false;
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std::string dirInfoFile = this->GetCurrentBinaryDirectory();
dirInfoFile += cmake::GetCMakeFilesDirectory();
dirInfoFile += "/CMakeDirectoryInformation.cmake";
if (mf->ReadListFile(dirInfoFile.c_str()) &&
!cmSystemTools::GetErrorOccuredFlag()) {
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haveDirectoryInfo = true;
}
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// Lookup useful directory information.
if (haveDirectoryInfo) {
// Test whether we need to force Unix paths.
if (const char* force = mf->GetDefinition("CMAKE_FORCE_UNIX_PATHS")) {
if (!cmSystemTools::IsOff(force)) {
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cmSystemTools::SetForceUnixPaths(true);
}
}
// Setup relative path top directories.
if (const char* relativePathTopSource =
mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_SOURCE")) {
this->StateSnapshot.GetDirectory().SetRelativePathTopSource(
relativePathTopSource);
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}
if (const char* relativePathTopBinary =
mf->GetDefinition("CMAKE_RELATIVE_PATH_TOP_BINARY")) {
this->StateSnapshot.GetDirectory().SetRelativePathTopBinary(
relativePathTopBinary);
}
} else {
cmSystemTools::Error("Directory Information file not found");
}
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// create the file stream for the depends file
std::string dir = targetDir;
// Open the make depends file. This should be copy-if-different
// because the make tool may try to reload it needlessly otherwise.
std::string ruleFileNameFull = dir;
ruleFileNameFull += "/depend.make";
cmGeneratedFileStream ruleFileStream(ruleFileNameFull.c_str());
ruleFileStream.SetCopyIfDifferent(true);
if (!ruleFileStream) {
return false;
}
// Open the cmake dependency tracking file. This should not be
// copy-if-different because dependencies are re-scanned when it is
// older than the DependInfo.cmake.
std::string internalRuleFileNameFull = dir;
internalRuleFileNameFull += "/depend.internal";
cmGeneratedFileStream internalRuleFileStream(
internalRuleFileNameFull.c_str());
if (!internalRuleFileStream) {
return false;
}
this->WriteDisclaimer(ruleFileStream);
this->WriteDisclaimer(internalRuleFileStream);
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// for each language we need to scan, scan it
const char* langStr = mf->GetSafeDefinition("CMAKE_DEPENDS_LANGUAGES");
std::vector<std::string> langs;
cmSystemTools::ExpandListArgument(langStr, langs);
for (std::vector<std::string>::iterator li = langs.begin();
li != langs.end(); ++li) {
// construct the checker
std::string lang = *li;
// Create the scanner for this language
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cmDepends* scanner = CM_NULLPTR;
if (lang == "C" || lang == "CXX" || lang == "RC" || lang == "ASM") {
// TODO: Handle RC (resource files) dependencies correctly.
scanner = new cmDependsC(this, targetDir, lang, &validDeps);
}
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#ifdef CMAKE_BUILD_WITH_CMAKE
else if (lang == "Fortran") {
scanner = new cmDependsFortran(this);
} else if (lang == "Java") {
scanner = new cmDependsJava();
}
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#endif
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if (scanner) {
scanner->SetLocalGenerator(this);
scanner->SetFileComparison(
this->GlobalGenerator->GetCMakeInstance()->GetFileComparison());
scanner->SetLanguage(lang);
scanner->SetTargetDirectory(dir.c_str());
scanner->Write(ruleFileStream, internalRuleFileStream);
// free the scanner for this language
delete scanner;
}
}
return true;
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}
void cmLocalUnixMakefileGenerator3::CheckMultipleOutputs(bool verbose)
{
cmMakefile* mf = this->Makefile;
// Get the string listing the multiple output pairs.
const char* pairs_string = mf->GetDefinition("CMAKE_MULTIPLE_OUTPUT_PAIRS");
if (!pairs_string) {
return;
}
// Convert the string to a list and preserve empty entries.
std::vector<std::string> pairs;
cmSystemTools::ExpandListArgument(pairs_string, pairs, true);
for (std::vector<std::string>::const_iterator i = pairs.begin();
i != pairs.end() && (i + 1) != pairs.end();) {
const std::string& depender = *i++;
const std::string& dependee = *i++;
// If the depender is missing then delete the dependee to make
// sure both will be regenerated.
if (cmSystemTools::FileExists(dependee.c_str()) &&
!cmSystemTools::FileExists(depender.c_str())) {
if (verbose) {
std::ostringstream msg;
msg << "Deleting primary custom command output \"" << dependee
<< "\" because another output \"" << depender
<< "\" does not exist." << std::endl;
cmSystemTools::Stdout(msg.str().c_str());
}
cmSystemTools::RemoveFile(dependee);
}
}
}
void cmLocalUnixMakefileGenerator3::WriteLocalAllRules(
std::ostream& ruleFileStream)
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{
this->WriteDisclaimer(ruleFileStream);
// 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(ruleFileStream,
"Default target executed when no arguments are "
"given to make.",
"default_target", depends, no_commands, true);
// Help out users that try "gmake target1 target2 -j".
cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
if (gg->AllowNotParallel()) {
std::vector<std::string> no_depends;
this->WriteMakeRule(ruleFileStream, "Allow only one \"make -f "
"Makefile2\" at a time, but pass "
"parallelism.",
".NOTPARALLEL", no_depends, no_commands, false);
}
}
this->WriteSpecialTargetsTop(ruleFileStream);
// Include the progress variables for the target.
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// Write all global targets
this->WriteDivider(ruleFileStream);
ruleFileStream << "# Targets provided globally by CMake.\n"
<< "\n";
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std::vector<cmGeneratorTarget*> targets = this->GetGeneratorTargets();
std::vector<cmGeneratorTarget*>::iterator glIt;
for (glIt = targets.begin(); glIt != targets.end(); ++glIt) {
if ((*glIt)->GetType() == cmState::GLOBAL_TARGET) {
std::string targetString =
"Special rule for the target " + (*glIt)->GetName();
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std::vector<std::string> commands;
std::vector<std::string> depends;
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const char* text = (*glIt)->GetProperty("EchoString");
if (!text) {
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text = "Running external command ...";
}
depends.insert(depends.end(), (*glIt)->GetUtilities().begin(),
(*glIt)->GetUtilities().end());
this->AppendEcho(commands, text,
cmLocalUnixMakefileGenerator3::EchoGlobal);
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cmGeneratorTarget* gt = *glIt;
// Global targets store their rules in pre- and post-build commands.
this->AppendCustomDepends(depends, gt->GetPreBuildCommands());
this->AppendCustomDepends(depends, gt->GetPostBuildCommands());
this->AppendCustomCommands(commands, gt->GetPreBuildCommands(), gt,
this->GetCurrentBinaryDirectory());
this->AppendCustomCommands(commands, gt->GetPostBuildCommands(), gt,
this->GetCurrentBinaryDirectory());
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std::string targetName = gt->GetName();
this->WriteMakeRule(ruleFileStream, targetString.c_str(), targetName,
depends, commands, true);
// Provide a "/fast" version of the target.
depends.clear();
if ((targetName == "install") || (targetName == "install_local") ||
(targetName == "install_strip")) {
// Provide a fast install target that does not depend on all
// but has the same command.
depends.push_back("preinstall/fast");
} else {
// Just forward to the real target so at least it will work.
depends.push_back(targetName);
commands.clear();
}
targetName += "/fast";
this->WriteMakeRule(ruleFileStream, targetString.c_str(), targetName,
depends, commands, true);
}
}
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std::vector<std::string> depends;
std::vector<std::string> commands;
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// Write the all rule.
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std::string recursiveTarget = this->GetCurrentBinaryDirectory();
recursiveTarget += "/all";
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depends.push_back("cmake_check_build_system");
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std::string progressDir = this->GetBinaryDirectory();
progressDir += cmake::GetCMakeFilesDirectory();
{
std::ostringstream progCmd;
progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start ";
progCmd << this->Convert(progressDir, cmOutputConverter::FULL,
cmOutputConverter::SHELL);
std::string progressFile = cmake::GetCMakeFilesDirectory();
progressFile += "/progress.marks";
std::string progressFileNameFull = this->ConvertToFullPath(progressFile);
progCmd << " "
<< this->Convert(progressFileNameFull, cmOutputConverter::FULL,
cmOutputConverter::SHELL);
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commands.push_back(progCmd.str());
}
std::string mf2Dir = cmake::GetCMakeFilesDirectoryPostSlash();
mf2Dir += "Makefile2";
commands.push_back(
this->GetRecursiveMakeCall(mf2Dir.c_str(), recursiveTarget));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
{
std::ostringstream progCmd;
progCmd << "$(CMAKE_COMMAND) -E cmake_progress_start "; // # 0
progCmd << this->Convert(progressDir, cmOutputConverter::FULL,
cmOutputConverter::SHELL);
progCmd << " 0";
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commands.push_back(progCmd.str());
}
this->WriteMakeRule(ruleFileStream, "The main all target", "all", depends,
commands, true);
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// Write the clean rule.
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recursiveTarget = this->GetCurrentBinaryDirectory();
recursiveTarget += "/clean";
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commands.clear();
depends.clear();
commands.push_back(
this->GetRecursiveMakeCall(mf2Dir.c_str(), recursiveTarget));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream, "The main clean target", "clean",
depends, commands, true);
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commands.clear();
depends.clear();
depends.push_back("clean");
this->WriteMakeRule(ruleFileStream, "The main clean target", "clean/fast",
depends, commands, true);
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// Write the preinstall rule.
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recursiveTarget = this->GetCurrentBinaryDirectory();
recursiveTarget += "/preinstall";
commands.clear();
depends.clear();
const char* noall =
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this->Makefile->GetDefinition("CMAKE_SKIP_INSTALL_ALL_DEPENDENCY");
if (!noall || cmSystemTools::IsOff(noall)) {
// Drive the build before installing.
depends.push_back("all");
} else {
// At least make sure the build system is up to date.
depends.push_back("cmake_check_build_system");
}
commands.push_back(
this->GetRecursiveMakeCall(mf2Dir.c_str(), recursiveTarget));
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
"preinstall", depends, commands, true);
depends.clear();
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this->WriteMakeRule(ruleFileStream, "Prepare targets for installation.",
"preinstall/fast", depends, commands, true);
// write the depend rule, really a recompute depends rule
depends.clear();
commands.clear();
std::string cmakefileName = cmake::GetCMakeFilesDirectoryPostSlash();
cmakefileName += "Makefile.cmake";
std::string runRule =
"$(CMAKE_COMMAND) -H$(CMAKE_SOURCE_DIR) -B$(CMAKE_BINARY_DIR)";
runRule += " --check-build-system ";
runRule +=
this->ConvertToOutputFormat(cmakefileName, cmOutputConverter::SHELL);
runRule += " 1";
commands.push_back(runRule);
this->CreateCDCommand(commands, this->GetBinaryDirectory(),
this->GetCurrentBinaryDirectory());
this->WriteMakeRule(ruleFileStream, "clear depends", "depend", depends,
commands, true);
}
void cmLocalUnixMakefileGenerator3::ClearDependencies(cmMakefile* mf,
bool verbose)
{
// Get the list of target files to check
const char* infoDef = mf->GetDefinition("CMAKE_DEPEND_INFO_FILES");
if (!infoDef) {
return;
}
std::vector<std::string> files;
cmSystemTools::ExpandListArgument(infoDef, files);
// Each depend information file corresponds to a target. Clear the
// dependencies for that target.
cmDepends clearer;
clearer.SetVerbose(verbose);
for (std::vector<std::string>::iterator l = files.begin(); l != files.end();
++l) {
std::string dir = cmSystemTools::GetFilenamePath(*l);
// Clear the implicit dependency makefile.
std::string dependFile = dir + "/depend.make";
clearer.Clear(dependFile.c_str());
// Remove the internal dependency check file to force
// regeneration.
std::string internalDependFile = dir + "/depend.internal";
cmSystemTools::RemoveFile(internalDependFile);
}
}
namespace {
// Helper predicate for removing absolute paths that don't point to the
// source or binary directory. It is used when CMAKE_DEPENDS_IN_PROJECT_ONLY
// is set ON, to only consider in-project dependencies during the build.
class NotInProjectDir
{
public:
// Constructor with the source and binary directory's path
NotInProjectDir(const std::string& sourceDir, const std::string& binaryDir)
: SourceDir(sourceDir)
, BinaryDir(binaryDir)
{
}
// Operator evaluating the predicate
bool operator()(const std::string& path) const
{
// Keep all relative paths:
if (!cmSystemTools::FileIsFullPath(path)) {
return false;
}
// If it's an absolute path, check if it starts with the source
// direcotory:
return (
!(IsInDirectory(SourceDir, path) || IsInDirectory(BinaryDir, path)));
}
private:
// Helper function used by the predicate
static bool IsInDirectory(const std::string& baseDir,
const std::string& testDir)
{
// First check if the test directory "starts with" the base directory:
if (testDir.find(baseDir) != 0) {
return false;
}
// If it does, then check that it's either the same string, or that the
// next character is a slash:
return ((testDir.size() == baseDir.size()) ||
(testDir[baseDir.size()] == '/'));
}
// The path to the source directory
std::string SourceDir;
// The path to the binary directory
std::string BinaryDir;
};
}
void cmLocalUnixMakefileGenerator3::WriteDependLanguageInfo(
std::ostream& cmakefileStream, cmGeneratorTarget* target)
{
ImplicitDependLanguageMap const& implicitLangs =
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this->GetImplicitDepends(target);
// list the languages
cmakefileStream
<< "# The set of languages for which implicit dependencies are needed:\n";
cmakefileStream << "set(CMAKE_DEPENDS_LANGUAGES\n";
for (ImplicitDependLanguageMap::const_iterator l = implicitLangs.begin();
l != implicitLangs.end(); ++l) {
cmakefileStream << " \"" << l->first << "\"\n";
}
cmakefileStream << " )\n";
// now list the files for each language
cmakefileStream
<< "# The set of files for implicit dependencies of each language:\n";
for (ImplicitDependLanguageMap::const_iterator l = implicitLangs.begin();
l != implicitLangs.end(); ++l) {
cmakefileStream << "set(CMAKE_DEPENDS_CHECK_" << l->first << "\n";
ImplicitDependFileMap const& implicitPairs = l->second;
// for each file pair
for (ImplicitDependFileMap::const_iterator pi = implicitPairs.begin();
pi != implicitPairs.end(); ++pi) {
for (cmDepends::DependencyVector::const_iterator di = pi->second.begin();
di != pi->second.end(); ++di) {
cmakefileStream << " \"" << *di << "\" ";
cmakefileStream << "\"" << pi->first << "\"\n";
}
}
cmakefileStream << " )\n";
// Tell the dependency scanner what compiler is used.
std::string cidVar = "CMAKE_";
cidVar += l->first;
cidVar += "_COMPILER_ID";
const char* cid = this->Makefile->GetDefinition(cidVar);
if (cid && *cid) {
cmakefileStream << "set(CMAKE_" << l->first << "_COMPILER_ID \"" << cid
<< "\")\n";
}
// Build a list of preprocessor definitions for the target.
std::set<std::string> defines;
this->AddCompileDefinitions(defines, target, this->ConfigName, l->first);
if (!defines.empty()) {
/* clang-format off */
cmakefileStream
<< "\n"
<< "# Preprocessor definitions for this target.\n"
<< "set(CMAKE_TARGET_DEFINITIONS_" << l->first << "\n";
/* clang-format on */
for (std::set<std::string>::const_iterator di = defines.begin();
di != defines.end(); ++di) {
cmakefileStream << " " << cmOutputConverter::EscapeForCMake(*di)
<< "\n";
}
cmakefileStream << " )\n";
}
// Target-specific include directories:
cmakefileStream << "\n"
<< "# The include file search paths:\n";
cmakefileStream << "set(CMAKE_" << l->first << "_TARGET_INCLUDE_PATH\n";
std::vector<std::string> includes;
const std::string& config =
this->Makefile->GetSafeDefinition("CMAKE_BUILD_TYPE");
this->GetIncludeDirectories(includes, target, l->first, config);
if (this->Makefile->IsOn("CMAKE_DEPENDS_IN_PROJECT_ONLY")) {
const char* sourceDir = this->GetState()->GetSourceDirectory();
const char* binaryDir = this->GetState()->GetBinaryDirectory();
std::vector<std::string>::iterator itr =
std::remove_if(includes.begin(), includes.end(),
::NotInProjectDir(sourceDir, binaryDir));
includes.erase(itr, includes.end());
}
for (std::vector<std::string>::iterator i = includes.begin();
i != includes.end(); ++i) {
cmakefileStream << " \""
<< this->Convert(*i, cmOutputConverter::HOME_OUTPUT)
<< "\"\n";
}
cmakefileStream << " )\n";
}
// Store include transform rule properties. Write the directory
// rules first because they may be overridden by later target rules.
std::vector<std::string> transformRules;
if (const char* xform =
this->Makefile->GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM")) {
cmSystemTools::ExpandListArgument(xform, transformRules);
}
if (const char* xform =
target->GetProperty("IMPLICIT_DEPENDS_INCLUDE_TRANSFORM")) {
cmSystemTools::ExpandListArgument(xform, transformRules);
}
if (!transformRules.empty()) {
cmakefileStream << "set(CMAKE_INCLUDE_TRANSFORMS\n";
for (std::vector<std::string>::const_iterator tri = transformRules.begin();
tri != transformRules.end(); ++tri) {
cmakefileStream << " " << cmOutputConverter::EscapeForCMake(*tri)
<< "\n";
}
cmakefileStream << " )\n";
}
}
void cmLocalUnixMakefileGenerator3::WriteDisclaimer(std::ostream& os)
{
os << "# CMAKE generated file: DO NOT EDIT!\n"
<< "# Generated by \"" << this->GlobalGenerator->GetName() << "\""
<< " Generator, CMake Version " << cmVersion::GetMajorVersion() << "."
<< cmVersion::GetMinorVersion() << "\n\n";
}
std::string cmLocalUnixMakefileGenerator3::GetRecursiveMakeCall(
const char* makefile, const std::string& tgt)
{
// Call make on the given file.
std::string cmd;
cmd += "$(MAKE) -f ";
cmd += this->ConvertToOutputFormat(makefile, cmOutputConverter::SHELL);
cmd += " ";
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cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
// Pass down verbosity level.
if (!gg->MakeSilentFlag.empty()) {
cmd += gg->MakeSilentFlag;
cmd += " ";
}
// Most unix makes will pass the command line flags to make down to
// sub-invoked makes via an environment variable. However, some
// makes do not support that, so you have to pass the flags
// explicitly.
if (gg->PassMakeflags) {
cmd += "-$(MAKEFLAGS) ";
}
// Add the target.
if (!tgt.empty()) {
// The make target is always relative to the top of the build tree.
std::string tgt2 = this->Convert(tgt, cmOutputConverter::HOME_OUTPUT);
// The target may have been written with windows paths.
cmSystemTools::ConvertToOutputSlashes(tgt2);
// Escape one extra time if the make tool requires it.
if (this->MakeCommandEscapeTargetTwice) {
tgt2 = this->EscapeForShell(tgt2, true, false);
}
// The target name is now a string that should be passed verbatim
// on the command line.
cmd += this->EscapeForShell(tgt2, true, false);
}
return cmd;
}
void cmLocalUnixMakefileGenerator3::WriteDivider(std::ostream& os)
{
os << "#======================================"
<< "=======================================\n";
}
void cmLocalUnixMakefileGenerator3::WriteCMakeArgument(std::ostream& os,
const char* s)
{
// Write the given string to the stream with escaping to get it back
// into CMake through the lexical scanner.
os << "\"";
for (const char* c = s; *c; ++c) {
if (*c == '\\') {
os << "\\\\";
} else if (*c == '"') {
os << "\\\"";
} else {
os << *c;
}
}
os << "\"";
}
std::string cmLocalUnixMakefileGenerator3::ConvertToQuotedOutputPath(
const char* p, bool useWatcomQuote)
{
// Split the path into its components.
std::vector<std::string> components;
cmSystemTools::SplitPath(p, components);
// Open the quoted result.
std::string result;
if (useWatcomQuote) {
#if defined(_WIN32) && !defined(__CYGWIN__)
result = "'";
#else
result = "\"'";
#endif
} else {
result = "\"";
}
// Return an empty path if there are no components.
if (!components.empty()) {
// Choose a slash direction and fix root component.
const char* slash = "/";
#if defined(_WIN32) && !defined(__CYGWIN__)
if (!cmSystemTools::GetForceUnixPaths()) {
slash = "\\";
for (std::string::iterator i = components[0].begin();
i != components[0].end(); ++i) {
if (*i == '/') {
*i = '\\';
}
}
}
#endif
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// Begin the quoted result with the root component.
result += components[0];
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if (components.size() > 1) {
// Now add the rest of the components separated by the proper slash
// direction for this platform.
std::vector<std::string>::const_iterator compEnd = std::remove(
components.begin() + 1, components.end() - 1, std::string());
std::vector<std::string>::const_iterator compStart =
components.begin() + 1;
result += cmJoin(cmMakeRange(compStart, compEnd), slash);
// Only the last component can be empty to avoid double slashes.
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result += slash;
result += components.back();
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}
}
// Close the quoted result.
if (useWatcomQuote) {
#if defined(_WIN32) && !defined(__CYGWIN__)
result += "'";
#else
result += "'\"";
#endif
} else {
result += "\"";
}
return result;
}
std::string cmLocalUnixMakefileGenerator3::GetTargetDirectory(
cmGeneratorTarget const* target) const
{
std::string dir = cmake::GetCMakeFilesDirectoryPostSlash();
dir += target->GetName();
#if defined(__VMS)
dir += "_dir";
#else
dir += ".dir";
#endif
return dir;
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}
cmLocalUnixMakefileGenerator3::ImplicitDependLanguageMap const&
cmLocalUnixMakefileGenerator3::GetImplicitDepends(const cmGeneratorTarget* tgt)
{
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return this->ImplicitDepends[tgt->GetName()];
}
void cmLocalUnixMakefileGenerator3::AddImplicitDepends(
const cmGeneratorTarget* tgt, const std::string& lang, const char* obj,
const char* src)
{
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this->ImplicitDepends[tgt->GetName()][lang][obj].push_back(src);
}
void cmLocalUnixMakefileGenerator3::CreateCDCommand(
std::vector<std::string>& commands, const char* tgtDir,
std::string const& relDir)
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{
// do we need to cd?
if (tgtDir == relDir) {
return;
}
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// In a Windows shell we must change drive letter too. The shell
// used by NMake and Borland make does not support "cd /d" so this
// feature simply cannot work with them (Borland make does not even
// support changing the drive letter with just "d:").
const char* cd_cmd = this->IsMinGWMake() ? "cd /d " : "cd ";
cmGlobalUnixMakefileGenerator3* gg =
static_cast<cmGlobalUnixMakefileGenerator3*>(this->GlobalGenerator);
if (!gg->UnixCD) {
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// 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;
cmd += this->ConvertToOutputForExisting(tgtDir);
commands.insert(commands.begin(), cmd);
// Change back to the starting directory.
cmd = cd_cmd;
cmd += this->ConvertToOutputForExisting(relDir);
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commands.push_back(cmd);
} else {
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// On UNIX we must construct a single shell command to change
// directory and build because make resets the directory between
// each command.
std::string outputForExisting = this->ConvertToOutputForExisting(tgtDir);
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std::string prefix = cd_cmd + outputForExisting + " && ";
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std::transform(commands.begin(), commands.end(), commands.begin(),
std::bind1st(std::plus<std::string>(), prefix));
}
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}