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qmake: Print proper error if no .pro file could be detected

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When passing a directory to qmake, it tries to detect a .pro file in
that directory.  Whenever the detection failed, qmake printed an error
message like "Access is denied." or "file to open is a directory".

Now, qmake prints an actually helpful error message:

    ***Cannot detect .pro file in directory '../foo'.

    QMake expects the file '../foo/foo.pro' or exactly one .pro file in
    the given directory.

Fixes: QTBUG-34673
Change-Id: I3d21ead247734172eee4eb68d3f9782d3ddaea52
Reviewed-by: Edward Welbourne <edward.welbourne@qt.io>
Reviewed-by: Oliver Wolff <oliver.wolff@qt.io>
This commit is contained in:
Joerg Bornemann 2022-01-27 15:54:30 +01:00
parent 747bca3d67
commit 9b2bf17f3e
1 changed files with 19 additions and 7 deletions
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26
qmake/option.cpp
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@ -109,12 +109,15 @@ static Option::QMAKE_MODE default_mode(QString progname)
return Option::QMAKE_GENERATE_MAKEFILE;
}
static QString detectProjectFile(const QString &path)
static QString detectProjectFile(const QString &path, QString *singleProFileCandidate = nullptr)
{
QString ret;
QDir dir(path);
if(dir.exists(dir.dirName() + Option::pro_ext)) {
ret = dir.filePath(dir.dirName()) + Option::pro_ext;
const QString candidate = dir.filePath(dir.dirName() + Option::pro_ext);
if (singleProFileCandidate)
*singleProFileCandidate = candidate;
if (QFile::exists(candidate)) {
ret = candidate;
} else { //last try..
QStringList profiles = dir.entryList(QStringList("*" + Option::pro_ext));
if(profiles.count() == 1)
@ -287,11 +290,20 @@ Option::parseCommandLine(QStringList &args, QMakeCmdLineParserState &state)
if(Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE ||
Option::qmake_mode == Option::QMAKE_GENERATE_PRL) {
if(fi.isDir()) {
QString proj = detectProjectFile(arg);
if (!proj.isNull())
arg = proj;
QString singleProFileCandidate;
QString proj = detectProjectFile(arg, &singleProFileCandidate);
if (proj.isNull()) {
fprintf(stderr, "***Cannot detect .pro file in directory '%s'.\n\n"
"QMake expects the file '%s' "
"or exactly one .pro file in the given directory.\n",
qUtf8Printable(arg),
qUtf8Printable(singleProFileCandidate));
return Option::QMAKE_CMDLINE_ERROR;
}
Option::mkfile::project_files.append(proj);
} else {
Option::mkfile::project_files.append(arg);
}
Option::mkfile::project_files.append(arg);
} else if(Option::qmake_mode == Option::QMAKE_GENERATE_PROJECT) {
Option::projfile::project_dirs.append(arg);
} else {