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-rw-r--r--arch/um/Makefile7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 82c2ac48040d..768a5d14b755 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -70,9 +70,12 @@ include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
# in KBUILD_CFLAGS. Otherwise, it would cause ld to complain about the two different
# errnos.
# These apply to kernelspace only.
+#
+# strip leading and trailing whitespace to make the USER_CFLAGS removal of these
+# defines more robust
-KERNEL_DEFINES = -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
- -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)
+KERNEL_DEFINES = $(strip -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
+ -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES))
KBUILD_CFLAGS += $(KERNEL_DEFINES)
KBUILD_CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
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