sh: support CPU_J2 when compiler lacks -mj2
Signed-off-by: Rich Felker <dalias@libc.org>
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 0047666..336f33a 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -31,7 +31,7 @@
endif
cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
-cflags-$(CONFIG_CPU_J2) := $(call cc-option,-mj2,)
+cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
$(call cc-option,-m2a-nofpu,) \
$(call cc-option,-m4-nofpu,)