fix(build): correct preprocessor guard for GDN decode to fix Ampere c… (#52743)

Signed-off-by: prakharP <prakharpant288@gmail.com>

prakharPant committed Aug 28, 2026 at 05:51 UTC b2a6e9dca0c2e62142b96adafceb99fbeb3e60c3
1 file changed +3
csrc/libtorch_stable/ops.h
+3
@@ -393,6 +393,9 @@ void fused_kda_decode(
393 std::optional<torch::stable::Tensor> output_gate,
394 std::optional<torch::stable::Tensor> norm_weight, double norm_eps);
395
396 +#endif
397 +
398 +#ifdef VLLM_ENABLE_FUSED_GDN_DECODE
399 void fused_gdn_decode_post_conv_mtp(
400 torch::stable::Tensor const& mixed_qkv, torch::stable::Tensor const& a,
401 torch::stable::Tensor const& b, torch::stable::Tensor const& a_log,