107 lines
4.0 KiB
Plaintext
107 lines
4.0 KiB
Plaintext
Config files
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------------
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All the config files live in the arch subdirectory. The config
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file for a particular subarch is constructed by concatenating
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the following files (any of them can be missing):
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arch/config.common - architecture-independent config file
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arch/<arch>/config.common - subarch-independent config file
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for a particular architecture
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arch<arch>/config.<subarch> - subarch-specific config file.
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It is possible to avoid the inclusion of the arch-independent
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config file (handy for the transitional period) by setting the
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include_common_config variable to 'no' in arch/<arch>/Makefile.inc.
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Control file
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------------
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The master control file debian/control must be generated before
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the package is uploaded. debian/rules contains the debian/control
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target, which generates the control file by concatenating the
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common debian/control.in and all the arch/<arch>/control.in
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files, and performing the variable substitution. Currently the
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following variables are going to be substituted:
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@karch@ Replaced by the architecture string, identical to
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DEB_HOST_ARCH, as returned by dpkg-architecture.
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@version@ Upstream kernel version, for example 2.6.11.
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@ktver@ Minor version of kernel-tree to build-depend on.
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@abiname@ Abiname value for this set of packages.
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@kbpkg@ Current name and version of the kernel-build
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package to build-depend on. Typical value may
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be 'kernel-build-2.6-3', for example.
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After variable substitution the resulting file is formatted to
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ensure that the only blank lines are the ones separating the
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entries (i.e. before the next Package: line).
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Makefile.inc
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------------
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Each architecture subdirectory in arch may contain a Makefile.inc
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file, which is included by debian/rules after definining all the
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variables. It may be used to override the standard variables on
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per-architecture basis and other evil things. So far the valid uses of
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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. Typical usage:
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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). See header-install.in file for detail. Typical usage:
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headers_dirs := sparc | sparc64
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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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build_makeflags := 'CC=amd64-linux-gcc V=1'
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The value of the variable must be properly quoted.
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