* Updated README.
* Mostly implemented all necessary target. Does not build yet and a number of problems still need to be resolved (see debian/rules for details). svn path=/branches/kernel-image-2.6.11/; revision=3104
This commit is contained in:
Jurij Smakov
parent
754c6795b1
commit
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71
README
71
README
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@ -46,42 +46,61 @@ this file include the setting of the following variables:
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include_common_config
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Setting it to 'no' will prevent the common kernel config from being
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included for this particular architecture.
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included for this particular architecture. Typical usage:
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header_dirs
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include_common_config := no
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headers_dirs
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This variable is substituted into the headers-install script,
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controlling which asm-* directories are included into the
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kernel-headers package. By default it is set to karch (see
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above). For sparc, for example, if will have to be set to
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'sparc | sparc64' for the correct packages to be generated. See
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headers-install file for details.
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above). See header-install.in file for detail. Typical usage:
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headers_dirs := sparc | sparc64
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arch_makeflags
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headers_subarch
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The subarch to pass to the --subarch option for the make-kpkg
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call to build the kernel-headers. Typical usage:
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headers_subarch := sparc64
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added_patches
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Setting this variable to non-empty value will cause an option
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--added_patches to be added to the make-kpkg 'build' and
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'kernel-image' calls. The value of the variable will be
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given as an argument for the --added-patchs option. The value
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of this variable may contain a special string @uver@ which
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is going to be expanded into the upstream kernel's version
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with dots replaced by underscores (for example, 2_6_11 for the
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kernel version 2.6.11). Typical usage:
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added_patches := debian,hppa-@uver@
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build_subarch
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Setting this variable to non-empty value will cause an option
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--subarch to be added to 'build' and 'kernel-image' make-kpkg
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calls, followed by the flavour for which the kernel is built.
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In general, if you wish to add subarch support for your
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architecture, you should contact kernel-package maintainer
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to ensure that the flavour name correctly maps onto a kernel
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subarch name. Currently only mips and sparc are using this
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facility, and both of them should be fine. Typical usage:
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build_subarch := yes
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Note that the value of this variable is ignored.
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build_makeflags
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This variable may contain the make flags settings for the
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make-kpkg invocation in the 'build' target. Currently it is
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only used by amd64, where it should be set to something like
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arch_makeflags = 'CC=amd64-linux-gcc V=1"
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build_makeflags := 'CC=amd64-linux-gcc V=1'
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added_patches
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Setting this variable to non-empty value will cause an option
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--added_patches to be added to the make-kpkg call in 'build'
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target, followed by the contents of this variable. Currently
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hppa is using it and it looks like ia64 have used it before.
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arch_with_subarch
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Setting this variable to non-empty value will cause an option
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--subarch to be added to make-kpkg call in 'build' target,
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followed by the flavour for which the kernel is built. NOTE
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that the contents of this variable are completely ignored,
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any non-empty value indicates that --subarch option should
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be added. In general, if you wish to add subarch support for
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your architecture, you should contact kernel-package maintainer
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to ensure that the flavour name correctly maps onto a kernel
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subarch name. Currently only mips and sparc are using this
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facility, and both of them should be fine.
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The value of the variable must be properly quoted.
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@ -2,6 +2,3 @@
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# Variables
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#
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include_common_config = no
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added_patches = blah
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arch_with_subarch = yes
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arch_makeflags = 'CC=gcc-2.95'
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@ -1,101 +1,155 @@
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#!/usr/bin/make -f
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#
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version = 2.6.11
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abiname = 1
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ktver = 2
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kbuildver = 2.6-3
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# Required variables
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#
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version := 2.6.11
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abiname := 1
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ktver := 2
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kbuildver := 2.6-3
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#
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# Generally nothing needs to be modified below this line
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#
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debver = $(version)-$(abiname)
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debnum = -$(abiname)
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appvan = --append_to_version $(debnum)
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bpkg = kernel-build-$(debver)
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kdir = kernel-source-$(version)
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kbpkg = kernel-kbuild-$(kbuildver)
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kpatch = /usr/src/kernel-patches/all/$(version)/apply/debian
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DEBIAN_SRCTOP = $(CURDIR)/$(kdir)
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DEBIAN_UPSTREAM_VERSION = $(version)
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debver := $(version)-$(abiname)
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uver := $(subst .,_,$(version))
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debnum := -$(abiname)
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bpkg := kernel-build-$(debver)
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kdir := kernel-source-$(version)
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kbpkg := kernel-kbuild-$(kbuildver)
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kpatch := /usr/src/kernel-patches/all/$(version)/apply/debian
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export DEBIAN_SRCTOP := $(CURDIR)/$(kdir)
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export DEBIAN_UPSTREAM_VERSION := $(version)
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ifeq (,$(DEB_HOST_ARCH))
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DEB_HOST_ARCH = $(shell dpkg-architecture -qDEB_HOST_ARCH)
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DEB_BUILD_ARCH = $(shell dpkg-architecture -qDEB_BUILD_ARCH)
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DEB_HOST_ARCH := $(shell dpkg-architecture -qDEB_HOST_ARCH)
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DEB_BUILD_ARCH := $(shell dpkg-architecture -qDEB_BUILD_ARCH)
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endif
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#
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# The CROSS variable is only used on sparc to call
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# the correct 'strip' binary on the kernel-image.
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# Not sure whether we really need it.
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#
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ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
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CROSS = $(DEB_HOST_ARCH)-linux-
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CROSS := $(DEB_HOST_ARCH)-linux-
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endif
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karch = $(DEB_HOST_ARCH)
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karch := $(DEB_HOST_ARCH)
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controls = $(wildcard arch/*/control.in)
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configs = $(notdir $(wildcard arch/$(karch)/config.*))
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controls := $(wildcard arch/*/control.in)
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configs := $(notdir $(wildcard arch/$(karch)/config.*))
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ifndef flavours
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flavours = $(filter-out common, $(patsubst config.%,%,$(configs)))
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flavours := $(filter-out common, $(patsubst config.%,%,$(configs)))
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endif
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-include arch/$(karch)/Makefile.inc
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ifndef header_dirs
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header_dirs = $(karch)
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#
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# Here we construct the command lines for different make-kpkg
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# calls (build, kernel-image, kernel-headers) based on the values
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# of variables defined so far and provided by the architecture
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# in Makefile.inc. Note that $$i in these expressions is going to
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# become a reference to the shell variable $i, which is expected
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# to have the current flavour. This is slightly evil, but saves
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# a lot of grief.
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#
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kpkg_headers_cmd := HEADER_CLEAN_HOOK='$(CURDIR)/header-install' make-kpkg
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kpkg_headers_cmd += --append-to-version $(debnum)
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kpkg_build_cmd := make-kpkg --append-to-version $(debnum)-$$i
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ifdef added_patches
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kpkg_headers_cmd += --added_patches $(subst @uver@,$(uver),$(added_patches))
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kpkg_build_cmd += --added_patches $(subst @uver@,$(uver),$(added_patches))
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endif
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ifdef build_subarch
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kpkg_build_cmd += --subarch $$i
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endif
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ifdef headers_subarch
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kpkg_headers_cmd += --subarch $(headers_subarch)
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endif
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ifdef build_makeflags
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kpkg_build_cmd := MAKEFLAGS=$(build_makeflags) $(kpkg_build_cmd)
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endif
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kpkg_image_cmd := $(kpkg_build_cmd) --initrd kernel_image
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kpkg_build_cmd += build
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kpkg_headers_cmd += kernel-headers
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ifndef headers_dirs
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headers_dirs = $(karch)
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endif
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#
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# Unresolved issues:
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# Where does the default config comes from?
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# Problems:
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# * What to do with default config?
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# TODO:
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# * Check that make oldconfig does not actually
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# change the config file. If it does, something
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# is wrong (missing/extra options, etc).
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#
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unpack: unpack-stamp
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unpack-stamp: $(kdir) $(configs) header-install.out
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for i in $(flavours); do \
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cp -al $(kdir) build-$$i; \
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cp config.$$i build-$$i/.config; \
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make -C build-$$i ARCH=$(karch) oldconfig; \
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unpack-stamp: $(kdir) $(configs) header-install
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for i in $(flavours); do \
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cp -al $(kdir) build-$$i; \
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cp config.$$i build-$$i/.config; \
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make -C build-$$i ARCH=$(karch) oldconfig; \
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done
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# cp default $(kdir)/.config
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ln -s $$(command -v touch) bin/touch.orig
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touch unpack-stamp
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#
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# Subarch usage:
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# Currently only mips and sparc are calling make-kpkg
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# with --subarch. mips is just using the names of the
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# flavours, while for sparc it is more complicated.
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# After looking at /usr/share/kernel-package/rules, I
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# believe that everything will work correctly in sparc
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# if use flavour as an argument to subarch.
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#
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# Unresolved issues:
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# m68k,mips have no-op build targets
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# How to handle subarch (mips, sparc)?
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# What's the deal with sparc trying to strip
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# the kernel and copy System.map?
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# Problems:
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# * m68k,mips have no-op build targets
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# * sparc strips parts of the kernel after building
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# otherwise it is too big for silo to boot.
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# TODO:
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# * Implement optional stripping of the kernel
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# (for sparc).
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# * Check that it is really ok to call --subarch
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# with the name of the flavour. For mips which
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# is another --subarch user it should be fine.
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#
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build: build-stamp
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build-stamp: unpack-stamp
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dh_testdir
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PATH=$$PWD/bin:$$PATH; \
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for i in $(flavours); do \
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cd build-$$i; \
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OPTS="--append_to_version $(debnum)-$$i"; \
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if [ -n '$(added_patches)' ]; then \
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OPTS="$${OPTS} --added_patches $(added_patches)"; \
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fi; \
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if [ -n '$(arch_with_subarch)' ]; then \
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OPTS="$${OPTS} --subarch $$i"; \
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fi; \
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MAKEFLAGS='$(arch_makeflags)' make-kpkg $${OPTS}; \
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cd ..; \
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PATH=$$PWD/bin:$$PATH; \
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for i in $(flavours); do \
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cd build-$$i; \
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$(kpkg_build_cmd); \
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cd ..; \
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done
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touch build-stamp
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clean:
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rm -f *-stamp header-install.out config.*
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rm -f *-stamp header-install config.*
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rm -rf $(kdir) build-* install-* bin/touch.orig
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dh_clean
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header-install.out: header-install
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sed -e 's/@kbpkg@/$(kbpkg)/g' \
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-e 's/@karch@/$(karch)/g' \
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-e 's/@header_dirs@/$(header_dirs)/g' \
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header-install > header-install.out
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chmod u+x header-install.out
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binary-indep: build
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#
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# Problems:
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# * sparc prepends the 'kernel-image' make-kpkg call
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# by 'sparc32' and 'sparc64', depending on the flavour.
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# Need to figure out the role of these binaries.
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#
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binary-arch: build
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dh_testdir
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dh_clean -k
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dh_installdirs
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cd $(kdir); $(kpkg_headers_cmd)
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mv $(kdir)/debian/files debian
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for i in $(flavours); do \
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cp -al build-$$i install-$$i; \
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cd install-$$i; \
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$(kpkg_image_cmd); \
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cd ..; \
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cat install-$$i/debian/files >> debian/files \
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rm -rf install-$$i
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done
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mv *.deb ..
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binary: binary-indep binary-arch
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header-install: header-install.in
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sed -e 's/@kbpkg@/$(kbpkg)/g' \
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-e 's/@karch@/$(karch)/g' \
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-e 's/@headers_dirs@/$(headers_dirs)/g' \
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header-install.in > header-install
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chmod u+x header-install
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#
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# Generates the kernel config file for a subarch by merging
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# the arch-independent config file (arch/config.common),
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@ -123,7 +177,7 @@ config.%:
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cat $${include} > $@
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@echo " done."
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#
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# Prepare debian/control by cat'ing together all the
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# Prepares debian/control by cat'ing together all the
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# control files, substituting variables, removing all
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# empty lines and inserting a newline before every
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# line starting with 'Package:'
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