diff --git a/GNUmakefile b/GNUmakefile
index 4de9d10..ff4789a 100755
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -271,8 +271,8 @@ endif # OpenMP
 endif # IS_LINUX
 
 ifneq ($(IS_DARWIN),0)
-AR = libtool
-ARFLAGS = -static -o
+AR = ar
+ARFLAGS = cru
 CXX ?= c++
 ifeq ($(IS_GCC_29),1)
 CXXFLAGS += -fno-coalesce-templates -fno-coalesce-static-vtables