Fix annoying warning, due to deterministic binutils configuration.

src/Makefile

@@ -208,7 +208,7 @@ TARGET_CC= $(STATIC_CC)
 TARGET_STCC= $(STATIC_CC)
 TARGET_DYNCC= $(DYNAMIC_CC)
 TARGET_LD= $(CROSS)$(CC)
-TARGET_AR= $(CROSS)ar rcus
+TARGET_AR= $(CROSS)ar rcus 2>/dev/null
 TARGET_STRIP= $(CROSS)strip
 
 TARGET_LIBPATH= $(or $(PREFIX),/usr/local)/$(or $(MULTILIB),lib)
@@ -301,7 +301,6 @@ ifeq (Darwin,$(TARGET_SYS))
     export MACOSX_DEPLOYMENT_TARGET=10.4
   endif
   TARGET_STRIP+= -x
-  TARGET_AR+= 2>/dev/null
   TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC
   TARGET_DYNXLDOPTS=
   TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER)
@@ -312,7 +311,6 @@ ifeq (Darwin,$(TARGET_SYS))
 else
 ifeq (iOS,$(TARGET_SYS))
   TARGET_STRIP+= -x
-  TARGET_AR+= 2>/dev/null
   TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC
   TARGET_DYNXLDOPTS=
   TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER)