diff --git a/Makefile b/Makefile
index 7925d80..c62410b 100644
--- a/Makefile
+++ b/Makefile
@@ -14,7 +14,7 @@ LIBSUFFIX=a
 CCAS=$(CC)
 CXX_O=-o $@
 CXX_LINK_O=-o $@
-AR_OPTS=cr $@
+AR_OPTS=rc $@
 LINK_LOCAL_DIR=-L.
 LINK_LIB=-l$(1)
 CFLAGS_OPT=-O3
@@ -51,7 +51,7 @@ endif
 # Configurations
 ifeq ($(BUILDTYPE), Release)
 CFLAGS += $(CFLAGS_OPT)
-USE_ASM = Yes
+USE_ASM = No
 else
 CFLAGS += $(CFLAGS_DEBUG)
 USE_ASM = No
diff --git a/build/platform-linux.mk b/build/platform-linux.mk
index b6419d1..2f6a351 100644
--- a/build/platform-linux.mk
+++ b/build/platform-linux.mk
@@ -4,7 +4,7 @@ SHAREDLIBSUFFIXVER=$(SHAREDLIBSUFFIX).$(SHAREDLIBVERSION)
 SHLDFLAGS = -Wl,-soname,$(LIBPREFIX)$(PROJECT_NAME).$(SHAREDLIBSUFFIXVER)
 CFLAGS += -Wall -fno-strict-aliasing -fPIC -MMD -MP
 LDFLAGS += -lpthread
-AR_OPTS = crD $@
+AR_OPTS = rc $@
 ifeq ($(ASM_ARCH), x86)
 ifeq ($(ARCH), x86_64)
 ASMFLAGS += -f elf64