OutputParser: Treat ranlib warnings as warnings

Task-number: QTCREATORBUG-13111
Change-Id: Ifead2f7fa8d00eb044894b6d9ef0e7626e13f867
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>

src/plugins/projectexplorer/gccparser.cpp

@@ -88,7 +88,6 @@ void GccParser::stdError(const QString &line)
     }
 
     QRegularExpressionMatch match = m_regExpGccNames.match(lne);
-
     if (match.hasMatch()) {
         QString description = lne.mid(match.capturedLength());
         Task::TaskType type = Task::Error;
@@ -458,12 +457,6 @@ void ProjectExplorerPlugin::testGccOutputParsers_data()
             << QString() << QString::fromLatin1("rm: cannot remove `release/moc_mainwindow.cpp': No such file or directory\n")
             << QList<Task>()
             << QString();
-    QTest::newRow("ranlib false positive")
-            << QString::fromLatin1("ranlib: file: libSupport.a(HashTable.o) has no symbols")
-            << OutputParserTester::STDERR
-            << QString() << QString::fromLatin1("ranlib: file: libSupport.a(HashTable.o) has no symbols\n")
-            << QList<Task>()
-            << QString();
     QTest::newRow("ld: missing library")
             << QString::fromLatin1("/usr/bin/ld: cannot find -ldoesnotexist")
             << OutputParserTester::STDERR
@@ -866,6 +859,29 @@ void ProjectExplorerPlugin::testGccOutputParsers_data()
                         categoryCompile)
                 )
             << QString();
+
+    QTest::newRow("Mac: ranlib warning")
+            << QString::fromLatin1("ranlib: file: lib/libtest.a(Test0.cpp.o) has no symbols")
+            << OutputParserTester::STDERR
+            << QString() << QString()
+            << (QList<Task>()
+                << Task(Task::Warning,
+                        QLatin1String("file: lib/libtest.a(Test0.cpp.o) has no symbols"),
+                        Utils::FileName(), -1,
+                        categoryCompile)
+                )
+            << QString();
+    QTest::newRow("Mac: ranlib warning2")
+            << QString::fromLatin1("/path/to/XCode/and/ranlib: file: lib/libtest.a(Test0.cpp.o) has no symbols")
+            << OutputParserTester::STDERR
+            << QString() << QString()
+            << (QList<Task>()
+                << Task(Task::Warning,
+                        QLatin1String("file: lib/libtest.a(Test0.cpp.o) has no symbols"),
+                        Utils::FileName(), -1,
+                        categoryCompile)
+                )
+            << QString();
 }
 
 void ProjectExplorerPlugin::testGccOutputParsers()

src/plugins/projectexplorer/ldparser.cpp

@@ -42,11 +42,14 @@ namespace {
     // line no. or elf segment + offset (1 bracket)
     const char * const POSITION_PATTERN = "(\\d+|\\(\\..+?[+-]0x[a-fA-F0-9]+\\)):";
     const char * const COMMAND_PATTERN = "^(.*[\\\\/])?([a-z0-9]+-[a-z0-9]+-[a-z0-9]+-)?(ld|gold)(-[0-9\\.]+)?(\\.exe)?: ";
+    const char *const RANLIB_PATTERN = "ranlib(.exe)?: (file: (.*) has no symbols)$";
 }
 
 LdParser::LdParser()
 {
     setObjectName(QLatin1String("LdParser"));
+    m_ranlib.setPattern(QLatin1String(RANLIB_PATTERN));
+    QTC_CHECK(m_ranlib.isValid());
     m_regExpLinker.setPattern(QLatin1Char('^') +
                               QString::fromLatin1(FILE_PATTERN) + QLatin1Char('(') +
                               QString::fromLatin1(FILE_PATTERN) + QLatin1String(")?(") +
@@ -76,7 +79,17 @@ void LdParser::stdError(const QString &line)
         return;
     }
 
-    QRegularExpressionMatch match = m_regExpGccNames.match(lne);
+    QRegularExpressionMatch match = m_ranlib.match(lne);
+    if (match.hasMatch()) {
+        QString description = match.captured(2);
+        Task task(Task::Warning, description,
+                  Utils::FileName(), -1,
+                  Constants::TASK_CATEGORY_COMPILE);
+        emit addTask(task);
+        return;
+    }
+
+    match = m_regExpGccNames.match(lne);
     if (match.hasMatch()) {
         QString description = lne.mid(match.capturedLength());
         Task::TaskType type = Task::Error;

src/plugins/projectexplorer/ldparser.h

@@ -46,6 +46,7 @@ public:
     void stdError(const QString &line);
 
 private:
+    QRegularExpression m_ranlib;
     QRegularExpression m_regExpLinker;
     QRegularExpression m_regExpGccNames;
 };