[uml-devel] [PATCH] Correctly strip kernel defines from userspace CFLAGS

[uml-devel] [PATCH] Correctly strip kernel defines from userspace CFLAGS

[Jeff Dike]

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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[PATCH] Correctly strip kernel defines from userspace CFLAGS

[Jeff Dike]

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,)