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-rw-r--r--qmake/generators/makefile.cpp214
1 files changed, 128 insertions, 86 deletions
diff --git a/qmake/generators/makefile.cpp b/qmake/generators/makefile.cpp
index 5a17a92425..482ef2e269 100644
--- a/qmake/generators/makefile.cpp
+++ b/qmake/generators/makefile.cpp
@@ -1,30 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the qmake application of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "makefile.h"
#include "option.h"
@@ -41,6 +16,7 @@
#include <qdebug.h>
#include <qbuffer.h>
#include <qdatetime.h>
+#include <qtversion.h>
#if defined(Q_OS_UNIX)
#include <unistd.h>
@@ -63,7 +39,7 @@ using namespace QMakeInternal;
bool MakefileGenerator::canExecute(const QStringList &cmdline, int *a) const
{
int argv0 = -1;
- for(int i = 0; i < cmdline.count(); ++i) {
+ for(int i = 0; i < cmdline.size(); ++i) {
if(!cmdline.at(i).contains('=')) {
argv0 = i;
break;
@@ -137,7 +113,7 @@ MakefileGenerator::initOutPaths()
if(!fi.makeAbsolute()) {
QString cache_r = fi.path(), pwd = Option::output_dir;
if(pwd.startsWith(cache_r) && !pwd.startsWith(root)) {
- pwd = root + pwd.mid(cache_r.length());
+ pwd = root + pwd.mid(cache_r.size());
if(exists(pwd))
v.insert("QMAKE_ABSOLUTE_SOURCE_PATH", ProStringList(pwd));
}
@@ -262,7 +238,7 @@ MakefileGenerator::findFilesInVPATH(ProStringList l, uchar flags, const QString
{
ProStringList vpath;
const ProValueMap &v = project->variables();
- for(int val_it = 0; val_it < l.count(); ) {
+ for(int val_it = 0; val_it < l.size(); ) {
bool remove_file = false;
ProString &val = l[val_it];
if(!val.isEmpty()) {
@@ -312,23 +288,23 @@ MakefileGenerator::findFilesInVPATH(ProStringList l, uchar flags, const QString
real_dir = dir;
if(!(flags & VPATH_NoFixify))
real_dir = fileFixify(real_dir, FileFixifyBackwards) + '/';
- regex.remove(0, dir.length());
+ regex.remove(0, dir.size());
}
if(real_dir.isEmpty() || exists(real_dir)) {
QStringList files = QDir(real_dir).entryList(QStringList(regex),
QDir::NoDotAndDotDot | QDir::AllEntries);
if(files.isEmpty()) {
- debug_msg(1, "%s:%d Failure to find %s in vpath (%s)",
- __FILE__, __LINE__, val.toLatin1().constData(),
+ debug_msg(1, "makefile.cpp:%d Failure to find %s in vpath (%s)",
+ __LINE__, val.toLatin1().constData(),
vpath.join(QString("::")).toLatin1().constData());
- if(flags & VPATH_RemoveMissingFiles)
+ if (flags & VPATH_RemoveMissingFiles)
remove_file = true;
- else if(flags & VPATH_WarnMissingFiles)
+ if (flags & VPATH_WarnMissingFiles)
warn_msg(WarnLogic, "Failure to find: %s", val.toLatin1().constData());
} else {
l.removeAt(val_it);
QString a;
- for(int i = (int)files.count()-1; i >= 0; i--) {
+ for(int i = (int)files.size()-1; i >= 0; i--) {
a = real_dir + files[i];
if(!(flags & VPATH_NoFixify))
a = fileFixify(a);
@@ -336,12 +312,12 @@ MakefileGenerator::findFilesInVPATH(ProStringList l, uchar flags, const QString
}
}
} else {
- debug_msg(1, "%s:%d Cannot match %s%s, as %s does not exist.",
- __FILE__, __LINE__, real_dir.toLatin1().constData(),
+ debug_msg(1, "makefile.cpp:%d Cannot match %s%s, as %s does not exist.",
+ __LINE__, real_dir.toLatin1().constData(),
regex.toLatin1().constData(), real_dir.toLatin1().constData());
- if(flags & VPATH_RemoveMissingFiles)
+ if (flags & VPATH_RemoveMissingFiles)
remove_file = true;
- else if(flags & VPATH_WarnMissingFiles)
+ if (flags & VPATH_WarnMissingFiles)
warn_msg(WarnLogic, "Failure to find: %s", val.toLatin1().constData());
}
}
@@ -362,9 +338,14 @@ MakefileGenerator::initCompiler(const MakefileGenerator::Compiler &comp)
// find all the relevant file inputs
if(!init_compiler_already.contains(comp.variable_in)) {
init_compiler_already.insert(comp.variable_in, true);
- if(!noIO())
- l = findFilesInVPATH(l, (comp.flags & Compiler::CompilerRemoveNoExist) ?
- VPATH_RemoveMissingFiles : VPATH_WarnMissingFiles, "VPATH_" + comp.variable_in);
+ if(!noIO()) {
+ uchar flags = 0;
+ if (comp.flags & Compiler::CompilerRemoveNoExist)
+ flags |= VPATH_RemoveMissingFiles;
+ if (comp.flags & Compiler::CompilerWarnNoExist)
+ flags |= VPATH_WarnMissingFiles;
+ l = findFilesInVPATH(l, flags, "VPATH_" + comp.variable_in);
+ }
}
}
@@ -492,12 +473,12 @@ MakefileGenerator::init()
continue;
}
const ProStringList &tinn = v[innkey], &toutn = v[outnkey];
- if (tinn.length() != 1) {
+ if (tinn.size() != 1) {
warn_msg(WarnLogic, "Substitute '%s.input' does not have exactly one value",
sub.toLatin1().constData());
continue;
}
- if (toutn.length() != 1) {
+ if (toutn.size() != 1) {
warn_msg(WarnLogic, "Substitute '%s.output' does not have exactly one value",
sub.toLatin1().constData());
continue;
@@ -515,7 +496,7 @@ MakefileGenerator::init()
inn.toLatin1().constData());
continue;
}
- outn = fileFixify(inn.left(inn.length() - 3), FileFixifyBackwards);
+ outn = fileFixify(inn.left(inn.size() - 3), FileFixifyBackwards);
}
const ProKey confign(sub + ".CONFIG");
@@ -536,7 +517,7 @@ MakefileGenerator::init()
QString line = QString::fromLatin1(in.readLine());
if (line.startsWith("!!IF ")) {
if (state.isEmpty() || state.top() == IN_CONDITION) {
- QString test = line.mid(5, line.length()-(5+1));
+ QString test = line.mid(5, line.size()-(5+1));
if (project->test(test, inn, count))
state.push(IN_CONDITION);
else
@@ -549,7 +530,7 @@ MakefileGenerator::init()
warn_msg(WarnLogic, "(%s:%d): Unexpected else condition",
in.fileName().toLatin1().constData(), count);
} else if (state.top() == PENDING_CONDITION) {
- QString test = line.mid(7, line.length()-(7+1));
+ QString test = line.mid(7, line.size()-(7+1));
if (project->test(test, inn, count)) {
state.pop();
state.push(IN_CONDITION);
@@ -637,6 +618,10 @@ MakefileGenerator::init()
const ProStringList &config = v[ProKey(*it + ".CONFIG")];
if (config.indexOf("ignore_no_exist") != -1)
compiler.flags |= Compiler::CompilerRemoveNoExist;
+ else
+ compiler.flags |= Compiler::CompilerWarnNoExist;
+ if (config.indexOf("remove_no_exist") != -1)
+ compiler.flags |= Compiler::CompilerRemoveNoExist;
if (config.indexOf("no_dependencies") != -1)
compiler.flags |= Compiler::CompilerNoCheckDeps;
if (config.indexOf("add_inputs_as_makefile_deps") != -1)
@@ -658,12 +643,12 @@ MakefileGenerator::init()
}
{ //do the path fixifying
ProStringList paths;
- for(x = 0; x < compilers.count(); ++x) {
+ for(x = 0; x < compilers.size(); ++x) {
if(!paths.contains(compilers.at(x).variable_in))
paths << compilers.at(x).variable_in;
}
paths << "INCLUDEPATH" << "QMAKE_INTERNAL_INCLUDED_FILES" << "PRECOMPILED_HEADER";
- for(int y = 0; y < paths.count(); y++) {
+ for(int y = 0; y < paths.size(); y++) {
ProStringList &l = v[paths[y].toKey()];
for (ProStringList::Iterator it = l.begin(); it != l.end(); ++it) {
if((*it).isEmpty())
@@ -677,7 +662,7 @@ MakefileGenerator::init()
if(noIO() || !doDepends() || project->isActiveConfig("GNUmake"))
QMakeSourceFileInfo::setDependencyMode(QMakeSourceFileInfo::NonRecursive);
- for(x = 0; x < compilers.count(); ++x)
+ for(x = 0; x < compilers.size(); ++x)
initCompiler(compilers.at(x));
//merge actual compiler outputs into their variable_out. This is done last so that
@@ -788,7 +773,7 @@ MakefileGenerator::init()
incDirs.join(QString(" :: ")).toLatin1().constData());
//add to dependency engine
- for(x = 0; x < compilers.count(); ++x) {
+ for(x = 0; x < compilers.size(); ++x) {
const MakefileGenerator::Compiler &comp = compilers.at(x);
if(!(comp.flags & Compiler::CompilerNoCheckDeps)) {
const ProKey ikey(comp.variable_in);
@@ -844,14 +829,14 @@ MakefileGenerator::init()
QString dir, regex = Option::normalizePath(dep);
if (regex.lastIndexOf('/') != -1) {
dir = regex.left(regex.lastIndexOf('/') + 1);
- regex.remove(0, dir.length());
+ regex.remove(0, dir.size());
}
QStringList files = QDir(dir).entryList(QStringList(regex));
if(files.isEmpty()) {
warn_msg(WarnLogic, "Dependency for [%s]: Not found %s", (*file_it).toLatin1().constData(),
dep.toLatin1().constData());
} else {
- for(int i = 0; i < files.count(); i++)
+ for(int i = 0; i < files.size(); i++)
out_deps.append(dir + files[i]);
}
}
@@ -1055,7 +1040,7 @@ MakefileGenerator::writeProjectMakefile()
//install
t << "install: ";
- for (SubTarget *s : qAsConst(targets))
+ for (SubTarget *s : std::as_const(targets))
t << s->target << '-';
t << "install " << Qt::endl;
@@ -1197,7 +1182,7 @@ QString
MakefileGenerator::filePrefixRoot(const QString &root, const QString &path)
{
QString ret(path);
- if(path.length() > 2 && path[1] == ':') //c:\foo
+ if(path.size() > 2 && path[1] == ':') //c:\foo
ret.insert(2, root);
else
ret.prepend(root);
@@ -1273,14 +1258,14 @@ MakefileGenerator::writeInstalls(QTextStream &t, bool noBuild)
qPrintable(wild), qPrintable((*it).toQString()),
qPrintable(base_path));
} else {
- QString dir_sfx = dirstr.mid(base_path.length());
+ QString dir_sfx = dirstr.mid(base_path.size());
dst_dir += dir_sfx;
if (!dir_sfx.isEmpty() && !made_dirs.contains(dir_sfx)) {
made_dirs.insert(dir_sfx);
QString tmp_dst = fileFixify(dst_dir, FileFixifyAbsolute, false);
tmp_dst.chop(1);
inst << mkdir_p_asstring(filePrefixRoot(root, tmp_dst));
- for (int i = dst.length(); i < dst_dir.length(); i++) {
+ for (int i = dst.size(); i < dst_dir.size(); i++) {
if (dst_dir.at(i) == Option::dir_sep) {
QString subd = dst_dir.left(i);
if (!removed_dirs.contains(subd)) {
@@ -1340,7 +1325,7 @@ MakefileGenerator::writeInstalls(QTextStream &t, bool noBuild)
inst << cmd;
uninst.append(rm_dir_contents + " " + escapeFilePath(filePrefixRoot(root, fileFixify(dst_dir + filestr, FileFixifyAbsolute, false))));
}
- for(int x = 0; x < files.count(); x++) {
+ for(int x = 0; x < files.size(); x++) {
QString file = files[x];
uninst.append(rm_dir_contents + " " + escapeFilePath(filePrefixRoot(root, fileFixify(dst_dir + file, FileFixifyAbsolute, false))));
QFileInfo fi(fileInfo(dirstr + file));
@@ -1640,7 +1625,7 @@ MakefileGenerator::replaceExtraCompilerVariables(
QFileInfo fi(fileInfo(Option::normalizePath(in.at(i))));
QString ext;
// Ensure complementarity with QMAKE_FILE_BASE
- int baseLen = fi.completeBaseName().length();
+ int baseLen = fi.completeBaseName().size();
if(baseLen == 0)
ext = fi.fileName();
else
@@ -1706,7 +1691,7 @@ MakefileGenerator::replaceExtraCompilerVariables(
fullVal = val.join(' ');
}
ret.replace(match.capturedStart(), match.capturedLength(), fullVal);
- rep += fullVal.length();
+ rep += fullVal.size();
} else {
rep = match.capturedEnd();
}
@@ -1907,7 +1892,7 @@ void MakefileGenerator::callExtraCompilerDependCommand(const ProString &extraCom
return;
QDir outDir(Option::output_dir);
QStringList dep_cmd_deps = splitDeps(indeps, dep_lines);
- for (int i = 0; i < dep_cmd_deps.count(); ++i) {
+ for (int i = 0; i < dep_cmd_deps.size(); ++i) {
QString &file = dep_cmd_deps[i];
const QString absFile = outDir.absoluteFilePath(file);
if (absFile == file) {
@@ -1985,7 +1970,7 @@ MakefileGenerator::writeExtraCompilerTargets(QTextStream &t)
if (raw_clean.isEmpty())
raw_clean << tmp_out;
QString tmp_clean;
- for (const QString &rc : qAsConst(raw_clean))
+ for (const QString &rc : std::as_const(raw_clean))
tmp_clean += ' ' + escapeFilePath(Option::fixPathToTargetOS(rc));
QString tmp_clean_cmds = project->values(ProKey(*it + ".clean_commands")).join(' ');
if(!tmp_inputs.isEmpty())
@@ -2010,7 +1995,7 @@ MakefileGenerator::writeExtraCompilerTargets(QTextStream &t)
for (ProStringList::ConstIterator input = tmp_inputs.cbegin(); input != tmp_inputs.cend(); ++input) {
QString tinp = (*input).toQString();
QString out = replaceExtraCompilerVariables(tmp_out, tinp, QString(), NoShell);
- for (const QString &rc : qAsConst(raw_clean)) {
+ for (const QString &rc : std::as_const(raw_clean)) {
dels << ' ' + escapeFilePath(fileFixify(
replaceExtraCompilerVariables(rc, tinp, out, NoShell),
FileFixifyFromOutdir));
@@ -2021,9 +2006,9 @@ MakefileGenerator::writeExtraCompilerTargets(QTextStream &t)
} else {
QString files;
const int commandlineLimit = 2047; // NT limit, expanded
- for (const QString &file : qAsConst(dels)) {
- if(del_statement.length() + files.length() +
- qMax(fixEnvVariables(file).length(), file.length()) > commandlineLimit) {
+ for (const QString &file : std::as_const(dels)) {
+ if(del_statement.size() + files.size() +
+ qMax(fixEnvVariables(file).size(), file.size()) > commandlineLimit) {
cleans.append(files);
files.clear();
}
@@ -2243,6 +2228,7 @@ MakefileGenerator::writeDummyMakefile(QTextStream &t)
<< "@echo \"Skipped.\"\n\n";
writeMakeQmake(t);
t << "FORCE:\n\n";
+ suppressBuiltinRules(t);
return true;
}
@@ -2257,6 +2243,7 @@ MakefileGenerator::writeMakefile(QTextStream &t)
writeInstalls(t);
t << "FORCE:\n\n";
+ suppressBuiltinRules(t);
return true;
}
@@ -2285,11 +2272,11 @@ QString MakefileGenerator::buildArgs(bool withExtra)
{
QString ret;
- for (const QString &arg : qAsConst(Option::globals->qmake_args))
+ for (const QString &arg : std::as_const(Option::globals->qmake_args))
ret += " " + shellQuote(arg);
if (withExtra && !Option::globals->qmake_extra_args.isEmpty()) {
ret += " --";
- for (const QString &arg : qAsConst(Option::globals->qmake_extra_args))
+ for (const QString &arg : std::as_const(Option::globals->qmake_extra_args))
ret += " " + shellQuote(arg);
}
return ret;
@@ -2404,7 +2391,7 @@ MakefileGenerator::findSubDirsSubTargets() const
if(new_slsh != -1)
basename = basename.mid(new_slsh+1);
if(st->profile != basename + Option::pro_ext)
- st->makefile += "." + st->profile.left(st->profile.length() - Option::pro_ext.length());
+ st->makefile += "." + st->profile.left(st->profile.size() - Option::pro_ext.size());
}
}
const ProKey dkey(fixedSubdir + ".depends");
@@ -2543,7 +2530,7 @@ MakefileGenerator::writeSubTargets(QTextStream &t, QList<MakefileGenerator::SubT
if(!out_directory.isEmpty() && !out_directory.endsWith(Option::dir_sep))
out_directory += Option::dir_sep;
if(!abs_source_path.isEmpty() && out_directory.startsWith(abs_source_path))
- out_directory = Option::output_dir + out_directory.mid(abs_source_path.length());
+ out_directory = Option::output_dir + out_directory.mid(abs_source_path.size());
QString out_directory_cdin = out_directory.isEmpty() ? QString("\n\t")
: "\n\tcd " + escapeFilePath(out_directory) + " && ";
@@ -2556,7 +2543,7 @@ MakefileGenerator::writeSubTargets(QTextStream &t, QList<MakefileGenerator::SubT
out = subtarget->makefile;
in = escapeFilePath(fileFixify(in_directory + subtarget->profile, FileFixifyAbsolute));
if(out.startsWith(in_directory))
- out = out.mid(in_directory.length());
+ out = out.mid(in_directory.size());
out = escapeFilePath(out);
t << subtarget->target << "-qmake_all: ";
if (flags & SubTargetOrdered) {
@@ -2721,7 +2708,7 @@ MakefileGenerator::writeSubTargets(QTextStream &t, QList<MakefileGenerator::SubT
if(!out_directory.isEmpty() && !out_directory.endsWith(Option::dir_sep))
out_directory += Option::dir_sep;
if(!abs_source_path.isEmpty() && out_directory.startsWith(abs_source_path))
- out_directory = Option::output_dir + out_directory.mid(abs_source_path.length());
+ out_directory = Option::output_dir + out_directory.mid(abs_source_path.size());
if(!recurse.contains(subtarget->name))
continue;
@@ -2736,7 +2723,7 @@ MakefileGenerator::writeSubTargets(QTextStream &t, QList<MakefileGenerator::SubT
out = subtarget->makefile;
in = escapeFilePath(fileFixify(in_directory + subtarget->profile, FileFixifyAbsolute));
if (out.startsWith(in_directory))
- out = out.mid(in_directory.length());
+ out = out.mid(in_directory.size());
out = escapeFilePath(out);
}
@@ -2778,6 +2765,13 @@ MakefileGenerator::writeSubTargets(QTextStream &t, QList<MakefileGenerator::SubT
writeInstalls(t, true);
}
t << "FORCE:\n\n";
+ suppressBuiltinRules(t);
+}
+
+void
+MakefileGenerator::suppressBuiltinRules(QTextStream &t) const
+{
+ t << ".SUFFIXES:\n\n";
}
void
@@ -2826,7 +2820,7 @@ MakefileGenerator::writeMakeQmake(QTextStream &t, bool noDummyQmakeAll)
QFileInfo
MakefileGenerator::fileInfo(QString file) const
{
- static QHash<FileInfoCacheKey, QFileInfo> *cache = nullptr;
+ Q_CONSTINIT static QHash<FileInfoCacheKey, QFileInfo> *cache = nullptr;
static QFileInfo noInfo = QFileInfo();
if(!cache) {
cache = new QHash<FileInfoCacheKey, QFileInfo>;
@@ -2865,7 +2859,7 @@ MakefileGenerator::fixLibFlags(const ProKey &var)
const ProStringList &in = project->values(var);
ProStringList ret;
- ret.reserve(in.length());
+ ret.reserve(in.size());
for (const ProString &v : in)
ret << fixLibFlag(v);
return ret;
@@ -3031,7 +3025,7 @@ MakefileGenerator::fileFixify(const QString &file, FileFixifyTypes fix, bool can
if(ret == match_dir) {
ret = "";
} else if(ret.startsWith(match_dir + Option::dir_sep)) {
- ret = ret.mid(match_dir.length() + Option::dir_sep.length());
+ ret = ret.mid(match_dir.size() + Option::dir_sep.size());
} else {
//figure out the depth
int depth = 4;
@@ -3053,7 +3047,7 @@ MakefileGenerator::fileFixify(const QString &file, FileFixifyTypes fix, bool can
break;
if(ret.startsWith(match_dir + Option::dir_sep)) {
//concat
- int remlen = ret.length() - (match_dir.length() + 1);
+ int remlen = ret.size() - (match_dir.size() + 1);
if(remlen < 0)
remlen = 0;
ret = ret.right(remlen);
@@ -3127,12 +3121,12 @@ MakefileGenerator::findFileForDep(const QMakeLocalFileName &dep, const QMakeLoca
QList<QMakeLocalFileName> depdirs = QMakeSourceFileInfo::dependencyPaths();
depdirs.prepend(fileInfo(file.real()).absoluteDir().path());
QString pwd = qmake_getpwd();
- if(pwd.at(pwd.length()-1) != '/')
+ if(pwd.at(pwd.size()-1) != '/')
pwd += '/';
- for(int i = 0; i < depdirs.count(); i++) {
+ for(int i = 0; i < depdirs.size(); i++) {
QString dir = depdirs.at(i).real();
if(!QDir::isRelativePath(dir) && dir.startsWith(pwd))
- dir = dir.mid(pwd.length());
+ dir = dir.mid(pwd.size());
if(QDir::isRelativePath(dir)) {
if(!dir.endsWith(Option::dir_sep))
dir += Option::dir_sep;
@@ -3248,7 +3242,7 @@ MakefileGenerator::pkgConfigFileName(bool fixify)
ret = project->first("TARGET").toQString();
int slsh = ret.lastIndexOf(Option::dir_sep);
if (slsh != -1)
- ret = ret.right(ret.length() - slsh - 1);
+ ret = ret.right(ret.size() - slsh - 1);
if (ret.startsWith("lib"))
ret = ret.mid(3);
int dot = ret.indexOf('.');
@@ -3492,20 +3486,26 @@ ProKey MakefileGenerator::fullTargetVariable() const
return "TARGET";
}
+/*
+ * Create a response file and return its file name.
+ */
QString MakefileGenerator::createResponseFile(
const QString &baseName,
const ProStringList &objList,
- const QString &prefix)
+ const QString &prefix) const
{
- QString fileName = baseName + '.' + fileVar("QMAKE_ORIG_TARGET");
+ QString fileName = baseName + '.' + var("QMAKE_ORIG_TARGET");
if (!var("BUILD_NAME").isEmpty())
fileName += '.' + var("BUILD_NAME");
if (!var("MAKEFILE").isEmpty())
fileName += '.' + var("MAKEFILE");
QString filePath = Option::output_dir + QDir::separator() + fileName;
QFile file(filePath);
- if (!file.open(QIODevice::WriteOnly | QIODevice::Text))
- return QString();
+ if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
+ fprintf(stderr, "Error: Cannot open response file '%s' for writing.\n",
+ qPrintable(filePath));
+ exit(1);
+ }
QTextStream t(&file);
for (ProStringList::ConstIterator it = objList.constBegin(); it != objList.constEnd(); ++it) {
QString path = (*it).toQString();
@@ -3525,4 +3525,46 @@ QString MakefileGenerator::createResponseFile(
return fileName;
}
+/*
+ * If the threshold for response files are overstepped, create a response file for the linker
+ * command line.
+ */
+MakefileGenerator::LinkerResponseFileInfo MakefileGenerator::maybeCreateLinkerResponseFile() const
+{
+ bool useLinkObjectMax = false;
+ bool ok;
+ int threshold = project->first("QMAKE_RESPONSEFILE_THRESHOLD").toInt(&ok);
+ if (!ok) {
+ threshold = project->first("QMAKE_LINK_OBJECT_MAX").toInt(&ok);
+ if (ok)
+ useLinkObjectMax = true;
+ }
+ if (!ok)
+ return {};
+
+ ProStringList linkerInputs = project->values("OBJECTS");
+ if (useLinkObjectMax) {
+ // When using QMAKE_LINK_OBJECT_MAX, the number of object files (regardless of their path
+ // length) decides whether to use a response file. This is far from being a useful
+ // heuristic but let's keep this behavior for backwards compatibility.
+ if (linkerInputs.size() < threshold)
+ return {};
+ } else {
+ // When using QMAKE_REPONSEFILE_THRESHOLD, try to determine the command line length of the
+ // inputs.
+ linkerInputs += project->values("LIBS");
+ int totalLength = std::accumulate(linkerInputs.cbegin(), linkerInputs.cend(), 0,
+ [](int total, const ProString &input) {
+ return total + input.size() + 1;
+ });
+ if (totalLength < threshold)
+ return {};
+ }
+
+ return {
+ createResponseFile(fileVar("OBJECTS_DIR") + var("QMAKE_LINK_OBJECT_SCRIPT"), linkerInputs),
+ useLinkObjectMax
+ };
+}
+
QT_END_NAMESPACE