1 files changed, 2 insertions, 0 deletions
diff --git a/Rules.mak b/Rules.mak
index d87a4fb9e..548982bc6 100644
--- a/Rules.mak
+++ b/Rules.mak
@@ -293,6 +293,8 @@ CPU_CFLAGS-y := -funsigned-char -fno-builtin
 
 $(eval $(call check-gcc-var,-fno-asm))
 CPU_CFLAGS-y += $(CFLAG_-fno-asm)
+$(eval $(call check-gcc-var,-fmerge-all-constants))
+CPU_CFLAGS-y += $(CFLAG_-fmerge-all-constants)
 
 ifeq ($(UCLIBC_HAS_SOFT_FLOAT),y)
 ifneq ($(TARGET_ARCH),bfin)