use distinct build/staging dirs for EABI/OABI builds

SVN-Revision: 19885

rules.mk

@@ -57,7 +57,7 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
   LIBCV:=$(call qstrip,$(CONFIG_LIBC_VERSION))
   REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux$(if $(TARGET_SUFFIX),-$(TARGET_SUFFIX))
   GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-openwrt-linux
-  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)
+  DIR_SUFFIX:=_$(LIBC)-$(LIBCV)$(if $(CONFIG_EABI_SUPPORT),_eabi)
   BUILD_DIR:=$(BUILD_DIR_BASE)/target-$(ARCH)$(DIR_SUFFIX)$(if $(BUILD_SUFFIX),_$(BUILD_SUFFIX))
   STAGING_DIR:=$(TOPDIR)/staging_dir/target-$(ARCH)$(DIR_SUFFIX)
   BUILD_DIR_TOOLCHAIN:=$(BUILD_DIR_BASE)/toolchain-$(ARCH)_gcc-$(GCCV)$(DIR_SUFFIX)