From 62f6ac72a55d586312f4a10c0f6a11bb23de126e Mon Sep 17 00:00:00 2001
From: mcbarton <150042563+mcbarton@users.noreply.github.com>
Date: Wed, 29 Oct 2025 19:44:55 +0000
Subject: [PATCH] Enable cling to be built with Emscripten

---
 interpreter/cling/CMakeLists.txt                              | 2 +-
 .../cling/lib/Interpreter/IncrementalCUDADeviceCompiler.cpp   | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/interpreter/cling/CMakeLists.txt b/interpreter/cling/CMakeLists.txt
index fe6c373c422a1..da16de5ceb68a 100644
--- a/interpreter/cling/CMakeLists.txt
+++ b/interpreter/cling/CMakeLists.txt
@@ -118,7 +118,7 @@ else()
   endif()
 endif()
 
-if( NOT "NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD)
+if( NOT "NVPTX" IN_LIST LLVM_TARGETS_TO_BUILD AND NOT EMSCRIPTEN)
   message(FATAL_ERROR "NVPTX backend is not activated\n"
     "Please enable it via -DLLVM_TARGETS_TO_BUILD=\"host;NVPTX\"")
 endif()
diff --git a/interpreter/cling/lib/Interpreter/IncrementalCUDADeviceCompiler.cpp b/interpreter/cling/lib/Interpreter/IncrementalCUDADeviceCompiler.cpp
index a492add8a01fc..006ca8f582927 100644
--- a/interpreter/cling/lib/Interpreter/IncrementalCUDADeviceCompiler.cpp
+++ b/interpreter/cling/lib/Interpreter/IncrementalCUDADeviceCompiler.cpp
@@ -92,13 +92,13 @@ namespace cling {
       llvm::errs() << "Could not create PTX interpreter instance\n";
       return;
     }
-
+#ifndef __EMSCRIPTEN__
     // initialize NVPTX backend
     LLVMInitializeNVPTXTargetInfo();
     LLVMInitializeNVPTXTarget();
     LLVMInitializeNVPTXTargetMC();
     LLVMInitializeNVPTXAsmPrinter();
-
+#endif
     m_Init = true;
   }