qt5base-lts/qmake/main.cpp
Ivan Solovev 35a50491e7 QtBase tools: port away from deprecated qSetGlobalQHashSeed(0)
Use QHashSeed::setDeterministicGlobalSeed() instead

Task-number: QTBUG-105102
Change-Id: Ib7d4b6e7bca89870913a140d68bbdd6018e8f8ed
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
2022-08-30 22:46:34 +02:00

580 lines
19 KiB
C++

// Copyright (C) 2020 The Qt Company Ltd.
// Copyright (C) 2016 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "project.h"
#include "property.h"
#include "option.h"
#include "cachekeys.h"
#include "metamakefile.h"
#include <qcoreapplication.h>
#include <qnamespace.h>
#include <qdebug.h>
#include <qregularexpression.h>
#include <qdir.h>
#include <qdiriterator.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/stat.h>
#if defined(Q_OS_UNIX)
#include <errno.h>
#include <unistd.h>
#endif
#ifdef Q_OS_WIN
# include <qt_windows.h>
#endif
using namespace QMakeInternal;
QT_BEGIN_NAMESPACE
#ifdef Q_OS_WIN
struct SedSubst {
QRegularExpression from;
QString to;
};
Q_DECLARE_TYPEINFO(SedSubst, Q_RELOCATABLE_TYPE);
static int doSed(int argc, char **argv)
{
QList<SedSubst> substs;
QList<const char *> inFiles;
for (int i = 0; i < argc; i++) {
if (!strcmp(argv[i], "-e")) {
if (++i == argc) {
fprintf(stderr, "Error: sed option -e requires an argument\n");
return 3;
}
QString cmd = QString::fromLocal8Bit(argv[i]);
for (int j = 0; j < cmd.length(); j++) {
QChar c = cmd.at(j);
if (c.isSpace())
continue;
if (c != QLatin1Char('s')) {
fprintf(stderr, "Error: unrecognized sed command '%c'\n", c.toLatin1());
return 3;
}
QChar sep = ++j < cmd.length() ? cmd.at(j) : QChar();
QRegularExpression::PatternOptions matchcase = QRegularExpression::NoPatternOption;
bool escaped = false;
int phase = 1;
QStringList phases;
QString curr;
while (++j < cmd.length()) {
c = cmd.at(j);
if (!escaped) {
if (c == QLatin1Char(';'))
break;
if (c == QLatin1Char('\\')) {
escaped = true;
continue;
}
if (c == sep) {
phase++;
phases << curr;
curr.clear();
continue;
}
}
if (phase == 1
&& (c == QLatin1Char('+') || c == QLatin1Char('?') || c == QLatin1Char('|')
|| c == QLatin1Char('{') || c == QLatin1Char('}')
|| c == QLatin1Char('(') || c == QLatin1Char(')'))) {
// translate sed rx to QRegularExpression
escaped ^= 1;
}
if (escaped) {
escaped = false;
curr += QLatin1Char('\\');
}
curr += c;
}
if (escaped) {
fprintf(stderr, "Error: unterminated escape sequence in sed s command\n");
return 3;
}
if (phase != 3) {
fprintf(stderr, "Error: sed s command requires three arguments (%d, %c, %s)\n", phase, sep.toLatin1(), qPrintable(curr));
return 3;
}
if (curr.contains(QLatin1Char('i'))) {
curr.remove(QLatin1Char('i'));
matchcase = QRegularExpression::CaseInsensitiveOption;
}
if (curr != QLatin1String("g")) {
fprintf(stderr, "Error: sed s command supports only g & i options; g is required\n");
return 3;
}
SedSubst subst;
subst.from = QRegularExpression(phases.at(0), matchcase);
subst.to = phases.at(1);
subst.to.replace(QLatin1String("\\\\"), QLatin1String("\\")); // QString::replace(rx, sub) groks \1, but not \\.
substs << subst;
}
} else if (argv[i][0] == '-' && argv[i][1] != 0) {
fprintf(stderr, "Error: unrecognized sed option '%s'\n", argv[i]);
return 3;
} else {
inFiles << argv[i];
}
}
if (inFiles.isEmpty())
inFiles << "-";
for (const char *inFile : qAsConst(inFiles)) {
FILE *f;
if (!strcmp(inFile, "-")) {
f = stdin;
} else if (!(f = fopen(inFile, "rb"))) {
perror(inFile);
return 1;
}
QTextStream is(f);
while (!is.atEnd()) {
QString line = is.readLine();
for (int i = 0; i < substs.size(); i++)
line.replace(substs.at(i).from, substs.at(i).to);
puts(qPrintable(line));
}
if (f != stdin)
fclose(f);
}
return 0;
}
static int doLink(int argc, char **argv)
{
bool isSymlink = false;
bool force = false;
QList<const char *> inFiles;
for (int i = 0; i < argc; i++) {
if (!strcmp(argv[i], "-s")) {
isSymlink = true;
} else if (!strcmp(argv[i], "-f")) {
force = true;
} else if (argv[i][0] == '-') {
fprintf(stderr, "Error: unrecognized ln option '%s'\n", argv[i]);
return 3;
} else {
inFiles << argv[i];
}
}
if (inFiles.size() != 2) {
fprintf(stderr, "Error: this ln requires exactly two file arguments\n");
return 3;
}
if (!isSymlink) {
fprintf(stderr, "Error: this ln supports faking symlinks only\n");
return 3;
}
QString target = QString::fromLocal8Bit(inFiles[0]);
QString linkname = QString::fromLocal8Bit(inFiles[1]);
QDir destdir;
QFileInfo tfi(target);
QFileInfo lfi(linkname);
if (lfi.isDir()) {
destdir.setPath(linkname);
lfi.setFile(destdir, tfi.fileName());
} else {
destdir.setPath(lfi.path());
}
if (!destdir.exists()) {
fprintf(stderr, "Error: destination directory %s does not exist\n", qPrintable(destdir.path()));
return 1;
}
tfi.setFile(destdir.absoluteFilePath(tfi.filePath()));
if (!tfi.exists()) {
fprintf(stderr, "Error: this ln does not support symlinking non-existing targets\n");
return 3;
}
if (tfi.isDir()) {
fprintf(stderr, "Error: this ln does not support symlinking directories\n");
return 3;
}
if (lfi.exists()) {
if (!force) {
fprintf(stderr, "Error: %s exists\n", qPrintable(lfi.filePath()));
return 1;
}
if (!QFile::remove(lfi.filePath())) {
fprintf(stderr, "Error: cannot overwrite %s\n", qPrintable(lfi.filePath()));
return 1;
}
}
if (!QFile::copy(tfi.filePath(), lfi.filePath())) {
fprintf(stderr, "Error: cannot copy %s to %s\n",
qPrintable(tfi.filePath()), qPrintable(lfi.filePath()));
return 1;
}
return 0;
}
#endif
static bool setFilePermissions(QFile &file, QFileDevice::Permissions permissions)
{
if (file.setPermissions(permissions))
return true;
fprintf(stderr, "Error setting permissions on %s: %s\n",
qPrintable(file.fileName()), qPrintable(file.errorString()));
return false;
}
static bool copyFileTimes(QFile &targetFile, const QString &sourceFilePath,
bool mustEnsureWritability, QString *errorString)
{
#ifdef Q_OS_WIN
bool mustRestorePermissions = false;
QFileDevice::Permissions targetPermissions;
if (mustEnsureWritability) {
targetPermissions = targetFile.permissions();
if (!targetPermissions.testFlag(QFileDevice::WriteUser)) {
mustRestorePermissions = true;
if (!setFilePermissions(targetFile, targetPermissions | QFileDevice::WriteUser))
return false;
}
}
#else
Q_UNUSED(mustEnsureWritability);
#endif
if (!IoUtils::touchFile(targetFile.fileName(), sourceFilePath, errorString))
return false;
#ifdef Q_OS_WIN
if (mustRestorePermissions && !setFilePermissions(targetFile, targetPermissions))
return false;
#endif
return true;
}
static int installFile(const QString &source, const QString &target, bool exe = false,
bool preservePermissions = false)
{
QFile sourceFile(source);
QFile targetFile(target);
if (targetFile.exists()) {
#ifdef Q_OS_WIN
targetFile.setPermissions(targetFile.permissions() | QFile::WriteUser);
#endif
QFile::remove(target);
} else {
QDir::root().mkpath(QFileInfo(target).absolutePath());
}
if (!sourceFile.copy(target)) {
fprintf(stderr, "Error copying %s to %s: %s\n", source.toLatin1().constData(), qPrintable(target), qPrintable(sourceFile.errorString()));
return 3;
}
QFileDevice::Permissions targetPermissions = preservePermissions
? sourceFile.permissions()
: (QFileDevice::ReadOwner | QFileDevice::WriteOwner
| QFileDevice::ReadUser | QFileDevice::WriteUser
| QFileDevice::ReadGroup | QFileDevice::ReadOther);
if (exe) {
targetPermissions |= QFileDevice::ExeOwner | QFileDevice::ExeUser |
QFileDevice::ExeGroup | QFileDevice::ExeOther;
}
if (!setFilePermissions(targetFile, targetPermissions))
return 3;
QString error;
if (!copyFileTimes(targetFile, sourceFile.fileName(), preservePermissions, &error)) {
fprintf(stderr, "%s", qPrintable(error));
return 3;
}
return 0;
}
static int installFileOrDirectory(const QString &source, const QString &target,
bool preservePermissions = false)
{
QFileInfo fi(source);
if (false) {
#if defined(Q_OS_UNIX)
} else if (fi.isSymLink()) {
QString linkTarget;
if (!IoUtils::readLinkTarget(fi.absoluteFilePath(), &linkTarget)) {
fprintf(stderr, "Could not read link %s: %s\n", qPrintable(fi.absoluteFilePath()), strerror(errno));
return 3;
}
QFile::remove(target);
if (::symlink(linkTarget.toLocal8Bit().constData(), target.toLocal8Bit().constData()) < 0) {
fprintf(stderr, "Could not create link: %s\n", strerror(errno));
return 3;
}
#endif
} else if (fi.isDir()) {
QDir::current().mkpath(target);
QDirIterator it(source, QDir::AllEntries | QDir::NoDotAndDotDot | QDir::Hidden);
while (it.hasNext()) {
const QFileInfo entry = it.nextFileInfo();
const QString &entryTarget = target + QDir::separator() + entry.fileName();
const int recursionResult = installFileOrDirectory(entry.filePath(), entryTarget, true);
if (recursionResult != 0)
return recursionResult;
}
} else {
const int fileCopyResult = installFile(source, target, /*exe*/ false, preservePermissions);
if (fileCopyResult != 0)
return fileCopyResult;
}
return 0;
}
static int doQInstall(int argc, char **argv)
{
bool installExecutable = false;
if (argc == 3 && !strcmp(argv[0], "-exe")) {
installExecutable = true;
--argc;
++argv;
}
if (argc != 2 && !installExecutable) {
fprintf(stderr, "Error: usage: [-exe] source target\n");
return 3;
}
const QString source = QString::fromLocal8Bit(argv[0]);
const QString target = QString::fromLocal8Bit(argv[1]);
if (installExecutable)
return installFile(source, target, /*exe=*/true);
return installFileOrDirectory(source, target);
}
static int doInstall(int argc, char **argv)
{
if (!argc) {
fprintf(stderr, "Error: -install requires further arguments\n");
return 3;
}
#ifdef Q_OS_WIN
if (!strcmp(argv[0], "sed"))
return doSed(argc - 1, argv + 1);
if (!strcmp(argv[0], "ln"))
return doLink(argc - 1, argv + 1);
#endif
if (!strcmp(argv[0], "qinstall"))
return doQInstall(argc - 1, argv + 1);
fprintf(stderr, "Error: unrecognized -install subcommand '%s'\n", argv[0]);
return 3;
}
#ifdef Q_OS_WIN
static int dumpMacros(const wchar_t *cmdline)
{
// from http://stackoverflow.com/questions/3665537/how-to-find-out-cl-exes-built-in-macros
int argc;
wchar_t **argv = CommandLineToArgvW(cmdline, &argc);
if (!argv)
return 2;
for (int i = 0; i < argc; ++i) {
if (argv[i][0] != L'-' || argv[i][1] != 'D')
continue;
wchar_t *value = wcschr(argv[i], L'=');
if (value) {
*value = 0;
++value;
} else {
// point to the NUL at the end, so we don't print anything
value = argv[i] + wcslen(argv[i]);
}
wprintf(L"#define %Ls %Ls\n", argv[i] + 2, value);
}
return 0;
}
#endif // Q_OS_WIN
/* This is to work around lame implementation on Darwin. It has been noted that the getpwd(3) function
is much too slow, and called much too often inside of Qt (every fileFixify). With this we use a locally
cached copy because I can control all the times it is set (because Qt never sets the pwd under me).
*/
static QString pwd;
QString qmake_getpwd()
{
if(pwd.isNull())
pwd = QDir::currentPath();
return pwd;
}
bool qmake_setpwd(const QString &p)
{
if(QDir::setCurrent(p)) {
pwd = QDir::currentPath();
return true;
}
return false;
}
int runQMake(int argc, char **argv)
{
QHashSeed::setDeterministicGlobalSeed();
// stderr is unbuffered by default, but stdout buffering depends on whether
// there is a terminal attached. Buffering can make output from stderr and stdout
// appear out of sync, so force stdout to be unbuffered as well.
// This is particularly important for things like QtCreator and scripted builds.
setvbuf(stdout, (char *)NULL, _IONBF, 0);
// Workaround for inferior/missing command line tools on Windows: make our own!
if (argc >= 4 && !strcmp(argv[1], "-qtconf") && !strcmp(argv[3], "-install"))
return doInstall(argc - 4, argv + 4);
if (argc >= 2 && !strcmp(argv[1], "-install"))
return doInstall(argc - 2, argv + 2);
#ifdef Q_OS_WIN
{
// Support running as Visual C++'s compiler
const wchar_t *cmdline = _wgetenv(L"MSC_CMD_FLAGS");
if (!cmdline || !*cmdline)
cmdline = _wgetenv(L"MSC_IDE_FLAGS");
if (cmdline && *cmdline)
return dumpMacros(cmdline);
}
#endif
QMakeVfs vfs;
Option::vfs = &vfs;
QMakeGlobals globals;
Option::globals = &globals;
// parse command line
int ret = Option::init(argc, argv);
if(ret != Option::QMAKE_CMDLINE_SUCCESS) {
if ((ret & Option::QMAKE_CMDLINE_ERROR) != 0)
return 1;
return 0;
}
QString oldpwd = qmake_getpwd();
Option::output_dir = oldpwd; //for now this is the output dir
if (!Option::output.fileName().isEmpty() && Option::output.fileName() != "-") {
// The output 'filename', as given by the -o option, might include one
// or more directories, so we may need to rebase the output directory.
QFileInfo fi(Option::output);
QDir dir(QDir::cleanPath(fi.isDir() ? fi.absoluteFilePath() : fi.absolutePath()));
// Don't treat Xcode project directory as part of OUT_PWD
if (dir.dirName().endsWith(QLatin1String(".xcodeproj"))) {
// Note: we're intentionally not using cdUp(), as the dir may not exist
dir.setPath(QDir::cleanPath(dir.filePath("..")));
}
Option::output_dir = dir.path();
QString absoluteFilePath = QDir::cleanPath(fi.absoluteFilePath());
Option::output.setFileName(absoluteFilePath.mid(Option::output_dir.length() + 1));
}
QMakeProperty prop;
switch (Option::qmake_mode) {
case Option::QMAKE_QUERY_PROPERTY:
return prop.queryProperty(Option::prop::properties);
case Option::QMAKE_SET_PROPERTY:
return prop.setProperty(Option::prop::properties);
case Option::QMAKE_UNSET_PROPERTY:
prop.unsetProperty(Option::prop::properties);
return 0;
default:
break;
}
globals.setQMakeProperty(&prop);
ProFileCache proFileCache;
Option::proFileCache = &proFileCache;
QMakeParser parser(&proFileCache, &vfs, &Option::evalHandler);
Option::parser = &parser;
QMakeProject project;
int exit_val = 0;
QStringList files;
if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
files << "(*hack*)"; //we don't even use files, but we do the for() body once
else
files = Option::mkfile::project_files;
for(QStringList::Iterator pfile = files.begin(); pfile != files.end(); pfile++) {
if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
QString fn = Option::normalizePath(*pfile);
if(!QFile::exists(fn)) {
fprintf(stderr, "Cannot find file: %s.\n",
QDir::toNativeSeparators(fn).toLatin1().constData());
exit_val = 2;
continue;
}
//setup pwd properly
debug_msg(1, "Resetting dir to: %s",
QDir::toNativeSeparators(oldpwd).toLatin1().constData());
qmake_setpwd(oldpwd); //reset the old pwd
int di = fn.lastIndexOf(QLatin1Char('/'));
if(di != -1) {
debug_msg(1, "Changing dir to: %s",
QDir::toNativeSeparators(fn.left(di)).toLatin1().constData());
if(!qmake_setpwd(fn.left(di)))
fprintf(stderr, "Cannot find directory: %s\n",
QDir::toNativeSeparators(fn.left(di)).toLatin1().constData());
fn = fn.right(fn.length() - di - 1);
}
Option::prepareProject(fn);
// read project..
if(!project.read(fn)) {
fprintf(stderr, "Error processing project file: %s\n",
QDir::toNativeSeparators(*pfile).toLatin1().constData());
exit_val = 3;
continue;
}
if (Option::mkfile::do_preprocess) {
project.dump();
continue; //no need to create makefile
}
}
bool success = true;
MetaMakefileGenerator *mkfile = MetaMakefileGenerator::createMetaGenerator(&project, QString(), false, &success);
if (!success)
exit_val = 3;
if (mkfile && !mkfile->write()) {
if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT)
fprintf(stderr, "Unable to generate project file.\n");
else
fprintf(stderr, "Unable to generate makefile for: %s\n",
QDir::toNativeSeparators(*pfile).toLatin1().constData());
exit_val = 5;
}
delete mkfile;
mkfile = nullptr;
}
qmakeClearCaches();
return exit_val;
}
QT_END_NAMESPACE
int main(int argc, char **argv)
{
// Set name of the qmake application in QCoreApplication instance
QT_PREPEND_NAMESPACE(QCoreApplication) app(argc, argv);
return QT_PREPEND_NAMESPACE(runQMake)(argc, argv);
}