fix msvc build

Author: slaren

CMakeLists.txt

@@ -301,9 +301,7 @@ if (LLAMA_OPENMP)
     if(OpenMP_FOUND)
         message(STATUS "OpenMP found")
         add_compile_definitions(GGML_USE_OPENMP)
-
-        set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+        set(LLAMA_EXTRA_LIBS ${LLAMA_EXTRA_LIBS} OpenMP::OpenMP_C OpenMP::OpenMP_CXX)
     else()
         message(WARNING "OpenMP not found")
     endif()

ggml.c

@@ -19733,7 +19733,6 @@ enum ggml_status ggml_graph_compute(struct ggml_cgraph * cgraph, struct ggml_cpl
 
 #if defined(GGML_USE_OPENMP)
     n_threads = MIN(n_threads, omp_get_max_threads());
-    n_threads = MIN(n_threads, omp_get_thread_limit());
 #endif
 
     struct ggml_compute_state_shared state_shared = {