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-rw-r--r--arch/um/Makefile6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index ce987266dac6..5b5af95721ab 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -53,9 +53,13 @@ SYS_DIR := $(ARCH_DIR)/include/sysdep-$(SUBARCH)
# -Dvmap=kernel_vmap affects everything, and prevents anything from
# referencing the libpcap.o symbol so named.
+#
+# Same things for in6addr_loopback - found in libc.
CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
- $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap
+ $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \
+ -Din6addr_loopback=kernel_in6addr_loopback
+
AFLAGS += $(ARCH_INCLUDE)
USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
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