cmake : don't fail on `GGML_CPU=OFF` (llama/11457)

diff --git a/ggml/src/CMakeLists.txt b/ggml/src/CMakeLists.txt
index 8d2b948fb569d76b777b72b90e93a956f514f2bc..566709135217323a5a10a8af401caf4a7113a49d 100644 (file)
--- a/ggml/src/CMakeLists.txt
+++ b/ggml/src/CMakeLists.txt
@@ -308,7 +308,7 @@ if (GGML_CPU_ALL_VARIANTS)
         # MSVC doesn't support AMX
         ggml_add_cpu_backend_variant(sapphirerapids AVX F16C AVX2 FMA AVX512 AVX512_VBMI AVX512_VNNI AVX512_BF16 AMX_TILE AMX_INT8)
     endif()
-else ()
+elseif (GGML_CPU)
     ggml_add_cpu_backend_variant_impl("")
 endif()