From 04300579ddcb8d6bdd6e653b06b60bae378826dc Mon Sep 17 00:00:00 2001
From: Ben Boeckel <ben.boeckel@kitware.com>
Date: Tue, 25 Jul 2023 09:26:54 -0400
Subject: Modules/Internal/FeatureTesting: mark feature testing as a special
 test

---
 Modules/Internal/FeatureTesting.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Modules/Internal/FeatureTesting.cmake b/Modules/Internal/FeatureTesting.cmake
index 1a8a27e..c2bd14f 100644
--- a/Modules/Internal/FeatureTesting.cmake
+++ b/Modules/Internal/FeatureTesting.cmake
@@ -37,6 +37,7 @@ macro(_record_compiler_features lang compile_flags feature_list)
     LINK_LIBRARIES "${compile_flags_for_link}"
     COPY_FILE "${CMAKE_BINARY_DIR}/CMakeFiles/feature_tests.bin"
     COPY_FILE_ERROR _copy_error
+    __CMAKE_INTERNAL FEATURE_TESTING
     )
   if(NOT CMAKE_${lang}_FEATURE_TEST)
     set(_result 255)
-- 
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