Debugger: Use QtcProcess instead of QProcess for LLDB

More similar to what GDB does.

Change-Id: I2c5e952261119f04a515f8b8e79a66c397bff6df
Reviewed-by: Christian Stenger <christian.stenger@theqtcompany.com>

src/plugins/debugger/lldb/lldbengine.cpp

@@ -253,11 +253,12 @@ void LldbEngine::startLldb()
             this, &LldbEngine::handleResponse, Qt::QueuedConnection);
 
     showMessage(_("STARTING LLDB: ") + m_lldbCmd);
-    m_lldbProc.setEnvironment(runParameters().environment.toStringList());
+    m_lldbProc.setEnvironment(runParameters().environment);
     if (!runParameters().workingDirectory.isEmpty())
         m_lldbProc.setWorkingDirectory(runParameters().workingDirectory);
 
-    m_lldbProc.start(m_lldbCmd);
+    m_lldbProc.setCommand(m_lldbCmd, QString());
+    m_lldbProc.start();
 
     if (!m_lldbProc.waitForStarted()) {
         const QString msg = tr("Unable to start LLDB \"%1\": %2")

src/plugins/debugger/lldb/lldbengine.h

@@ -39,6 +39,7 @@
 #include <debugger/debuggerprotocol.h>
 
 #include <utils/consoleprocess.h>
+#include <utils/qtcprocess.h>
 
 #include <QPointer>
 #include <QProcess>
@@ -183,7 +184,7 @@ private:
 
     QByteArray m_inbuffer;
     QString m_scriptFileName;
-    QProcess m_lldbProc;
+    Utils::QtcProcess m_lldbProc;
     QString m_lldbCmd;
 
     // FIXME: Make generic.