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-rw-r--r--arch/mips/vdso/Makefile4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/mips/vdso/Makefile b/arch/mips/vdso/Makefile
index e05938997e69..b2a2e032dc99 100644
--- a/arch/mips/vdso/Makefile
+++ b/arch/mips/vdso/Makefile
@@ -18,6 +18,10 @@ ccflags-vdso := \
$(filter -mno-loongson-%,$(KBUILD_CFLAGS)) \
-D__VDSO__
+ifndef CONFIG_64BIT
+ccflags-vdso += -DBUILD_VDSO32
+endif
+
ifdef CONFIG_CC_IS_CLANG
ccflags-vdso += $(filter --target=%,$(KBUILD_CFLAGS))
endif