-ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_GCC_VERSION_4_8),$(CONFIG_TARGET_uml)),)
- iremap = -iremap$(1):$(2)
- # just overwrite iremap for GCC 8.1 and higher to keep backward compatibility
- ifeq ($(CONFIG_GCC_VERSION_8),y)
- iremap = -fmacro-prefix-map=$(1)=$(2)
+ifeq ($(or $(CONFIG_EXTERNAL_TOOLCHAIN),$(CONFIG_TARGET_uml)),)
+ ifeq ($(CONFIG_GCC_USE_IREMAP),y)
+ iremap = -iremap$(1):$(2)
+ else
+ iremap = -ffile-prefix-map=$(1)=$(2)