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    Subject[PATCH] Correctly strip kernel defines from userspace CFLAGS
    KERNEL_DEFINES needs whitespace trimmed, otherwise the whitespace
    crunching done by make fools the patsubst which is used to remove
    KERNEL_DEFINES from USER_CFLAGS.

    Signed-off-by: Jeff Dike <jdike@linux.intel.com>
    ---
    arch/um/Makefile | 7 +++++--
    1 file changed, 5 insertions(+), 2 deletions(-)

    Index: linux-2.6/arch/um/Makefile
    ===================================================================
    --- linux-2.6.orig/arch/um/Makefile 2007-10-22 16:19:38.000000000 -0400
    +++ linux-2.6/arch/um/Makefile 2007-10-22 16:19:44.000000000 -0400
    @@ -70,9 +70,12 @@ include $(srctree)/$(ARCH_DIR)/Makefile-
    # 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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