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Date: Fri, 13 Jan 2017 11:46:46 +0100
From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
To: arnd@...db.de
Cc: mmarek@...e.com, linux-kbuild@...r.kernel.org,
linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-alpha@...r.kernel.org, linux-snps-arc@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org,
adi-buildroot-devel@...ts.sourceforge.net,
linux-c6x-dev@...ux-c6x.org, linux-cris-kernel@...s.com,
uclinux-h8-devel@...ts.sourceforge.jp,
linux-hexagon@...r.kernel.org, linux-ia64@...r.kernel.org,
linux-m68k@...ts.linux-m68k.org, linux-metag@...r.kernel.org,
linux-mips@...ux-mips.org, linux-am33-list@...hat.com,
nios2-dev@...ts.rocketboards.org, openrisc@...ts.librecores.org,
linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
linux-s390@...r.kernel.org, linux-sh@...r.kernel.org,
sparclinux@...r.kernel.org, linux-xtensa@...ux-xtensa.org,
linux-arch@...r.kernel.org, dri-devel@...ts.freedesktop.org,
netdev@...r.kernel.org, linux-media@...r.kernel.org,
linux-mmc@...r.kernel.org, netfilter-devel@...r.kernel.org,
coreteam@...filter.org, linux-nfs@...r.kernel.org,
linux-raid@...r.kernel.org, linux-spi@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-rdma@...r.kernel.org,
fcoe-devel@...n-fcoe.org, alsa-devel@...a-project.org,
linux-fbdev@...r.kernel.org, xen-devel@...ts.xenproject.org,
airlied@...ux.ie, davem@...emloft.net, linux@...linux.org.uk,
bp@...en8.de, slash.tmp@...e.fr, daniel.vetter@...ll.ch,
rmk+kernel@...linux.org.uk, msalter@...hat.com, jengelh@...i.de,
hch@...radead.org, Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH v3 8/8] uapi: export all arch specifics directories
This patch removes the need of subdir-y. Now all files/directories under
arch/<arch>/include/uapi/ are exported.
The only change for userland is the layout of the command 'make
headers_install_all': directories asm-<arch> are replaced by arch-<arch>/.
Those new directories contains all files/directories of the specified arch.
Note that only cris and tile have more directories than only asm:
- arch-v[10|32] for cris;
- arch for tile.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
Documentation/kbuild/makefiles.txt | 15 +--------------
Makefile | 4 ++--
arch/cris/include/uapi/asm/Kbuild | 3 ---
arch/tile/include/uapi/asm/Kbuild | 2 --
scripts/Makefile.headersinst | 3 +--
5 files changed, 4 insertions(+), 23 deletions(-)
diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt
index 51c072049e45..87a3d7d86776 100644
--- a/Documentation/kbuild/makefiles.txt
+++ b/Documentation/kbuild/makefiles.txt
@@ -48,7 +48,6 @@ This document describes the Linux kernel Makefiles.
--- 7.2 genhdr-y
--- 7.3 generic-y
--- 7.4 generated-y
- --- 7.5 subdir-y
=== 8 Kbuild Variables
=== 9 Makefile language
@@ -1264,7 +1263,7 @@ The pre-processing does:
- drop all sections that are kernel internal (guarded by ifdef __KERNEL__)
All headers under include/uapi/, include/generated/uapi/,
-arch/<arch>/include/uapi/asm/ and arch/<arch>/include/generated/uapi/asm/
+arch/<arch>/include/uapi/ and arch/<arch>/include/generated/uapi/
are exported.
A Kbuild file may be defined under arch/<arch>/include/uapi/asm/ and
@@ -1331,18 +1330,6 @@ See subsequent chapter for the syntax of the Kbuild file.
#arch/x86/include/asm/Kbuild
generated-y += syscalls_32.h
- --- 7.5 subdir-y
-
- subdir-y may be used to specify a subdirectory to be exported.
-
- Example:
- #arch/cris/include/uapi/asm/Kbuild
- subdir-y += ../arch-v10/arch/
- subdir-y += ../arch-v32/arch/
-
- The convention is to list one subdir per line and
- preferably in alphabetic order.
-
=== 8 Kbuild Variables
The top Makefile exports the following variables:
diff --git a/Makefile b/Makefile
index 5f1a84735ff6..a35098157b69 100644
--- a/Makefile
+++ b/Makefile
@@ -1126,7 +1126,7 @@ firmware_install:
export INSTALL_HDR_PATH = $(objtree)/usr
# If we do an all arch process set dst to asm-$(hdr-arch)
-hdr-dst = $(if $(KBUILD_HEADERS), dst=include/asm-$(hdr-arch), dst=include/asm)
+hdr-dst = $(if $(KBUILD_HEADERS), dst=include/arch-$(hdr-arch), dst=include)
PHONY += archheaders
archheaders:
@@ -1147,7 +1147,7 @@ headers_install: __headers
$(if $(wildcard $(srctree)/arch/$(hdr-arch)/include/uapi/asm/Kbuild),, \
$(error Headers not exportable for the $(SRCARCH) architecture))
$(Q)$(MAKE) $(hdr-inst)=include/uapi
- $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi/asm $(hdr-dst)
+ $(Q)$(MAKE) $(hdr-inst)=arch/$(hdr-arch)/include/uapi $(hdr-dst)
PHONY += headers_check_all
headers_check_all: headers_install_all
diff --git a/arch/cris/include/uapi/asm/Kbuild b/arch/cris/include/uapi/asm/Kbuild
index d0c5471856e0..b15bf6bc0e94 100644
--- a/arch/cris/include/uapi/asm/Kbuild
+++ b/arch/cris/include/uapi/asm/Kbuild
@@ -1,5 +1,2 @@
# UAPI Header export list
include include/uapi/asm-generic/Kbuild.asm
-
-subdir-y += ../arch-v10/arch/
-subdir-y += ../arch-v32/arch/
diff --git a/arch/tile/include/uapi/asm/Kbuild b/arch/tile/include/uapi/asm/Kbuild
index e0a50111e07f..0c74c3c5ebfa 100644
--- a/arch/tile/include/uapi/asm/Kbuild
+++ b/arch/tile/include/uapi/asm/Kbuild
@@ -2,5 +2,3 @@
include include/uapi/asm-generic/Kbuild.asm
generic-y += ucontext.h
-
-subdir-y += ../arch
diff --git a/scripts/Makefile.headersinst b/scripts/Makefile.headersinst
index 16ac3e71050e..cafaca2d9a23 100644
--- a/scripts/Makefile.headersinst
+++ b/scripts/Makefile.headersinst
@@ -2,7 +2,7 @@
# Installing headers
#
# All headers under include/uapi, include/generated/uapi,
-# arch/<arch>/include/uapi/asm and arch/<arch>/include/generated/uapi/asm are
+# arch/<arch>/include/uapi and arch/<arch>/include/generated/uapi are
# exported.
# They are preprocessed to remove __KERNEL__ section of the file.
#
@@ -28,7 +28,6 @@ include scripts/Kbuild.include
installdir := $(INSTALL_HDR_PATH)/$(subst uapi/,,$(_dst))
subdirs := $(patsubst $(srctree)/$(obj)/%/.,%,$(wildcard $(srctree)/$(obj)/*/.))
-subdirs += $(subdir-y)
header-files := $(notdir $(wildcard $(srctree)/$(obj)/*.h))
header-files += $(notdir $(wildcard $(srctree)/$(obj)/*.agh))
genhdr-files := $(notdir $(wildcard $(srctree)/$(gen)/*.h))
--
2.8.1
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