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Message-ID: <20071029163841.GA7661@c2.user-mode-linux.org> Date: Mon, 29 Oct 2007 12:38:41 -0400 From: Jeff Dike <jdike@...toit.com> To: Linus Torvalds <torvalds@...ux-foundation.org> Cc: LKML <linux-kernel@...r.kernel.org>, uml-devel <user-mode-linux-devel@...ts.sourceforge.net> 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@...ux.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,) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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