From b26f77e2dc465fabc3ef220b1feabea951640031 Mon Sep 17 00:00:00 2001
From: Erik Kundiman <erik@megapahit.org>
Date: Sat, 2 May 2026 22:33:32 +0800
Subject: Don't treat SFINAE incomplete as error on GCC

for compiling using GCC 16 on Fedora 44.
---
 indra/llui/CMakeLists.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/indra/llui/CMakeLists.txt b/indra/llui/CMakeLists.txt
index 83b3a220a0..9077670b67 100644
--- a/indra/llui/CMakeLists.txt
+++ b/indra/llui/CMakeLists.txt
@@ -274,6 +274,10 @@ target_link_libraries(llui
 
 include(LibraryInstall)
 
+if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
+    set_source_files_properties(llxuiparser.cpp PROPERTIES COMPILE_FLAGS -Wno-sfinae-incomplete)
+endif ()
+
 # Add tests
 if(LL_TESTS)
   include(LLAddBuildTest)
-- 
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