tools: use const methods more

to avoid implicit detach

Change-Id: I6268d4397631a2a2ff54263dfd0b28a7990c5993
Reviewed-by: Volker Hilsheimer <[email protected]>

3 files changed, 4 insertions, 4 deletions

diff --git a/src/tools/androiddeployqt/main.cpp b/src/tools/androiddeployqt/main.cpp
index b969183cdd3..cba1dc61fed 100644
--- a/src/tools/androiddeployqt/main.cpp
+++ b/src/tools/androiddeployqt/main.cpp
@@ -808,7 +808,7 @@ QString detectLatestAndroidPlatform(const QString &sdkPath)
 
     std::sort(fileInfos.begin(), fileInfos.end(), quasiLexicographicalReverseLessThan);
 
-    QFileInfo latestPlatform = fileInfos.first();
+    const QFileInfo& latestPlatform = fileInfos.constFirst();
     return latestPlatform.baseName();
 }
 
diff --git a/src/tools/macdeployqt/shared/shared.cpp b/src/tools/macdeployqt/shared/shared.cpp
index c1dbd3dcf8e..0671ebf2f32 100644
--- a/src/tools/macdeployqt/shared/shared.cpp
+++ b/src/tools/macdeployqt/shared/shared.cpp
@@ -172,7 +172,7 @@ OtoolInfo findDependencyInfo(const QString &binaryPath)
 
     outputLines.removeFirst(); // remove line containing the binary path
     if (binaryPath.contains(".framework/") || binaryPath.endsWith(".dylib")) {
-        const auto match = regexp.match(outputLines.first());
+        const auto match = regexp.match(outputLines.constFirst());
         if (match.hasMatch()) {
             QString installname = match.captured(1);
             if (QFileInfo(binaryPath).fileName() == QFileInfo(installname).fileName()) {
@@ -184,7 +184,7 @@ OtoolInfo findDependencyInfo(const QString &binaryPath)
                 info.installName = binaryPath;
             }
         } else {
-            LogDebug() << "Could not parse otool output line:" << outputLines.first();
+            LogDebug() << "Could not parse otool output line:" << outputLines.constFirst();
             outputLines.removeFirst();
         }
     }
diff --git a/src/tools/qtpaths/qtpaths.cpp b/src/tools/qtpaths/qtpaths.cpp
index a840f08ba60..76d8a11913e 100644
--- a/src/tools/qtpaths/qtpaths.cpp
+++ b/src/tools/qtpaths/qtpaths.cpp
@@ -347,7 +347,7 @@ int main(int argc, char **argv)
     if (results.isEmpty()) {
         parser.showHelp();
     } else if (results.size() == 1) {
-        const QString &item = results.first();
+        const QString &item = results.constFirst();
         message(item);
         if (item.isEmpty())
             return EXIT_FAILURE;