fix make tools for linux

Author: LostRuins

Makefile

@@ -94,10 +94,10 @@ OBJS_SIMPLE += ggml-alloc.o ggml-cpu-traits.o ggml-quants_noavx2.o ggml-cpu-quan
 OBJS_FAILSAFE += ggml-alloc.o ggml-cpu-traits.o ggml-quants_failsafe.o ggml-cpu-quants_failsafe.o ggml-cpu-aarch64_failsafe.o unicode.o unicode-data.o ggml-threading.o ggml-cpu-cpp.o sgemm_failsafe.o common.o sampling.o
 
 # OS specific
-# TODO: support Windows
 ifeq ($(UNAME_S),Linux)
 	CFLAGS   += -pthread
 	CXXFLAGS += -pthread
+	LDFLAGS += -ldl
 endif
 
 ifeq ($(UNAME_S),Darwin)