diff --git a/src/plugins/cmakeprojectmanager/cmakebuildstep.cpp b/src/plugins/cmakeprojectmanager/cmakebuildstep.cpp
index fdc849ae69..9012a20df1 100644
--- a/src/plugins/cmakeprojectmanager/cmakebuildstep.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakebuildstep.cpp
@@ -278,6 +278,7 @@ QString CMakeBuildStep::defaultBuildTarget() const
 
 void CMakeBuildStep::stdOutput(const QString &output)
 {
+    qDebug() << Q_FUNC_INFO << output;
     int offset = 0;
     while (offset != -1) {
         const int newlinePos = output.indexOf('\n', offset);
@@ -289,6 +290,7 @@ void CMakeBuildStep::stdOutput(const QString &output)
             line = output.mid(offset, newlinePos - offset + 1);
             offset = newlinePos + 1;
         }
+        qDebug() << "current line:" << line;
         if (m_percentProgress.indexIn(line) != -1) {
             AbstractProcessStep::stdOutput(line);
             bool ok = false;