linux-kernel - [PATCH 1/4] uapi: Allow automatic generation of uapi/asm/ header files

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Date:	Thu, 11 Oct 2012 17:18:02 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	David Howells <dhowells@...hat.com>, Michal Marek <mmarek@...e.cz>,
	Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 1/4] uapi: Allow automatic generation of uapi/asm/ header files

Several arch/*/include/uapi/asm/* header simply include the
corresponding <asm-generic/*> file. This patch allows such files to be
specified in uapi/asm/Kbuild via "generic-y += ..." to be automatically
generated (similar to asm/Kbuild).

Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Cc: Michal Marek <mmarek@...e.cz>
Cc: David Howells <dhowells@...hat.com>
Cc: Arnd Bergmann <arnd@...db.de>
---
 Makefile                     | 4 +++-
 scripts/Makefile.asm-generic | 2 +-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 86eb6ac..5d0da36 100644
--- a/Makefile
+++ b/Makefile
@@ -437,7 +437,9 @@ endif
 PHONY += asm-generic
 asm-generic:
 	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
-	            obj=arch/$(SRCARCH)/include/generated/asm
+	            src=asm obj=arch/$(SRCARCH)/include/generated/asm
+	$(Q)$(MAKE) -f $(srctree)/scripts/Makefile.asm-generic \
+	            src=uapi/asm obj=arch/$(SRCARCH)/include/generated/uapi/asm
 
 # To make sure we do not include .config for any of the *config targets
 # catch them early, and hand them over to scripts/kconfig/Makefile
diff --git a/scripts/Makefile.asm-generic b/scripts/Makefile.asm-generic
index 40caf3c..d17e0ea 100644
--- a/scripts/Makefile.asm-generic
+++ b/scripts/Makefile.asm-generic
@@ -5,7 +5,7 @@
 # and for each file listed in this file with generic-y creates
 # a small wrapper file in $(obj) (arch/$(SRCARCH)/include/generated/asm)
 
-kbuild-file := $(srctree)/arch/$(SRCARCH)/include/asm/Kbuild
+kbuild-file := $(srctree)/arch/$(SRCARCH)/include/$(src)/Kbuild
 -include $(kbuild-file)
 
 include scripts/Kbuild.include

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