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-rw-r--r--arch/i386/Makefile6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/i386/Makefile b/arch/i386/Makefile
index b81cb64..f5b9a37 100644
--- a/arch/i386/Makefile
+++ b/arch/i386/Makefile
@@ -20,6 +20,12 @@
# Fill in SRCARCH
SRCARCH := x86
+# BITS is used as extension for files which are available in a 32 bit
+# and a 64 bit version to simplify shared Makefiles.
+# e.g.: obj-y += foo_$(BITS).o
+BITS := 32
+export BITS
+
HAS_BIARCH := $(call cc-option-yn, -m32)
ifeq ($(HAS_BIARCH),y)
AS := $(AS) --32