[llvm] [Flang-RT][Offload] Always use LLVM-built GTest (PR #143682)

[Michael Kruse via llvm-commits]

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@@ -6,33 +6,39 @@
 #
 #===------------------------------------------------------------------------===#
 
+# Target that depends on all unittests
+add_custom_target(FlangRTUnitTests)
+set_target_properties(FlangRTUnitTests PROPERTIES FOLDER "Flang-RT/Meta")
+
 # LLVM uses a modified version of GTest that uses LLVMSupport for console
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Meinersbur wrote:

Correct. The build target is called `llvm_gtest`, so it will not work with upstream gtest.

https://github.com/llvm/llvm-project/pull/143682