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-rw-r--r--wasm2c/wasm-rt-impl.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/wasm2c/wasm-rt-impl.h b/wasm2c/wasm-rt-impl.h
index aa6f46d9..ed46b097 100644
--- a/wasm2c/wasm-rt-impl.h
+++ b/wasm2c/wasm-rt-impl.h
@@ -27,8 +27,10 @@
extern "C" {
#endif
+#ifndef WASM_RT_TRAP_HANDLER
/** A setjmp buffer used for handling traps. */
extern WASM_RT_THREAD_LOCAL wasm_rt_jmp_buf g_wasm_rt_jmp_buf;
+#endif
#if WASM_RT_STACK_DEPTH_COUNT
/** Saved call stack depth that will be restored in case a trap occurs. */