From 51dde4b5cb4fe790f78cea30b14d951ab7eae969 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=C3=A5rten=20Nordheim?= <marten.nordheim@qt.io>
Date: Wed, 17 Mar 2021 16:15:30 +0100
Subject: CMake: Don't attempt to add to a target that doesn't exist

When configuring a benchmark using the standalone-test script the
'benchmark' target is not available, causing a configure error.

Change-Id: I8e480c9e72b47783c0910428187f0092049e89db
Reviewed-by: Alexey Edelev <alexey.edelev@qt.io>
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>
(cherry picked from commit 1d6a35c5363944ce59eba114f827b1992f31bde3)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
---
 cmake/QtTestHelpers.cmake | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/cmake/QtTestHelpers.cmake b/cmake/QtTestHelpers.cmake
index 06678a741f..0f93dbf5a1 100644
--- a/cmake/QtTestHelpers.cmake
+++ b/cmake/QtTestHelpers.cmake
@@ -51,8 +51,10 @@ function(qt_internal_add_benchmark target)
 
     add_dependencies("${target}_benchmark" "${target}")
 
-    #Add benchmark to meta target.
-    add_dependencies("benchmark" "${target}_benchmark")
+    # Add benchmark to meta target if it exists.
+    if (TARGET benchmark)
+        add_dependencies("benchmark" "${target}_benchmark")
+    endif()
 endfunction()
 
 # Simple wrapper around qt_internal_add_executable for manual tests which insure that
-- 
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