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linux: Remove system->linux-architecture procedure.
* gnu/packages/linux.scm (system->linux-architecture): Remove it. (make-linux-libre-headers*, make-linux-libre*): Adapt them. * guix/build-system/linux-module.scm (system->arch): Adapt it. * gnu/packages/instrumentation.scm (uftrace): Ditto. * gnu/packages/cross-base.scm (cross-kernel-headers): Ditto. * gnu/packages/bioinformatics.scm (ncbi-vdb): Ditto. * doc/guix.texi (Porting to a new platform): Update it.
This commit is contained in:
Mathieu Othacehe
parent
4cf7d0f836
commit
b55310603f
6 changed files with 44 additions and 45 deletions
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@ -40276,20 +40276,22 @@ one:
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guix build --target=armv5tel-linux-gnueabi bootstrap-tarballs
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@end example
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For this to work, the @code{glibc-dynamic-linker} procedure in
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@code{(gnu packages bootstrap)} must be augmented to return the right
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file name for libc's dynamic linker on that platform; likewise,
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@code{system->linux-architecture} in @code{(gnu packages linux)} must be
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taught about the new platform.
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For this to work, it is first required to register a new platform as
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defined in the @code{(gnu platform)} module. A platform is making the
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connection between a GNU triplet (@pxref{Specifying Target Triplets, GNU
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configuration triplets,, autoconf, Autoconf}), the equivalent
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@var{system} in Nix notation, the name of the
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@var{glibc-dynamic-linker}, and the corresponding Linux architecture
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name if applicable.
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Once these are built, the @code{(gnu packages bootstrap)} module needs
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to be updated to refer to these binaries on the target platform. That
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is, the hashes and URLs of the bootstrap tarballs for the new platform
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must be added alongside those of the currently supported platforms. The
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bootstrap Guile tarball is treated specially: it is expected to be
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available locally, and @file{gnu/local.mk} has rules to download it for
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the supported architectures; a rule for the new platform must be added
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as well.
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Once the bootstrap tarball are built, the @code{(gnu packages
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bootstrap)} module needs to be updated to refer to these binaries on the
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target platform. That is, the hashes and URLs of the bootstrap tarballs
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for the new platform must be added alongside those of the currently
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supported platforms. The bootstrap Guile tarball is treated specially:
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it is expected to be available locally, and @file{gnu/local.mk} has
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rules to download it for the supported architectures; a rule for the new
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platform must be added as well.
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In practice, there may be some complications. First, it may be that the
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extended GNU triplet that specifies an ABI (like the @code{eabi} suffix
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@ -161,6 +161,7 @@ (define-module (gnu packages bioinformatics)
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#:use-module (gnu packages wget)
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#:use-module (gnu packages xml)
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#:use-module (gnu packages xorg)
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#:use-module (gnu platform)
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#:use-module (srfi srfi-1)
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#:use-module (srfi srfi-26)
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#:use-module (ice-9 match))
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@ -6576,10 +6577,12 @@ (define-public ncbi-vdb
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;; architecture name ("i386") instead of the target system prefix
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;; ("i686").
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(mkdir (string-append (assoc-ref outputs "out") "/ilib"))
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(copy-recursively (string-append "build/ncbi-vdb/linux/gcc/"
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,(system->linux-architecture
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(copy-recursively (string-append
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"build/ncbi-vdb/linux/gcc/"
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,(platform-linux-architecture
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(lookup-platform-by-target-or-system
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(or (%current-target-system)
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(%current-system)))
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(%current-system))))
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"/rel/ilib")
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(string-append (assoc-ref outputs "out")
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"/ilib"))
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@ -30,6 +30,7 @@ (define-module (gnu packages cross-base)
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#:use-module (gnu packages linux)
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#:use-module (gnu packages hurd)
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#:use-module (gnu packages mingw)
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#:use-module (gnu platform)
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#:use-module (guix packages)
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#:use-module (guix download)
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#:use-module (guix utils)
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@ -345,7 +346,8 @@ (define xlinux-headers
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`(modify-phases ,phases
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(replace 'build
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(lambda _
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(setenv "ARCH" ,(system->linux-architecture target))
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(setenv "ARCH" ,(platform-linux-architecture
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(lookup-platform-by-target target)))
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(format #t "`ARCH' set to `~a' (cross compiling)~%"
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(getenv "ARCH"))
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@ -42,6 +42,7 @@ (define-module (gnu packages instrumentation)
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#:use-module (gnu packages swig)
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#:use-module (gnu packages tbb)
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#:use-module (gnu packages xml)
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#:use-module (gnu platform)
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#:use-module (guix build-system cmake)
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#:use-module (guix build-system copy)
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#:use-module (guix build-system gnu)
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@ -312,9 +313,10 @@ (define-public uftrace
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(modify-phases %standard-phases
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(replace 'configure
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(lambda* (#:key outputs target #:allow-other-keys)
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(let ((arch ,(system->linux-architecture
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(let ((arch ,(platform-linux-architecture
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(lookup-platform-by-target-or-system
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(or (%current-target-system)
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(%current-system)))))
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(%current-system))))))
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(setenv "ARCH"
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(cond
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((string=? arch "arm64") "aarch64")
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@ -158,6 +158,7 @@ (define-module (gnu packages linux)
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#:use-module (gnu packages groff)
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#:use-module (gnu packages selinux)
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#:use-module (gnu packages swig)
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#:use-module (gnu platform)
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#:use-module (guix build-system cmake)
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#:use-module (guix build-system copy)
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#:use-module (guix build-system gnu)
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@ -181,20 +182,6 @@ (define-module (gnu packages linux)
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#:use-module (ice-9 match)
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#:use-module (ice-9 regex))
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(define-public (system->linux-architecture arch)
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"Return the Linux architecture name for ARCH, a Guix system name such as
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\"x86_64-linux\" or a target triplet such as \"arm-linux-gnueabihf\"."
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(let ((arch (car (string-split arch #\-))))
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(cond ((string=? arch "i686") "i386")
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((string-prefix? "mips" arch) "mips")
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((string-prefix? "arm" arch) "arm")
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((string-prefix? "aarch64" arch) "arm64")
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((string-prefix? "alpha" arch) "alpha")
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((string-prefix? "powerpc" arch) "powerpc") ;including "powerpc64le"
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((string-prefix? "s390" arch) "s390")
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((string-prefix? "riscv" arch) "riscv")
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(else arch))))
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(define-public (system->defconfig system)
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"Some systems (notably powerpc-linux) require a special target for kernel
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defconfig. Return the appropriate make target if applicable, otherwise return
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@ -567,9 +554,10 @@ (define (make-linux-libre-headers* version gnu-revision source)
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(delete 'configure)
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(replace 'build
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(lambda _
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(let ((arch ,(system->linux-architecture
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(let ((arch ,(platform-linux-architecture
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(lookup-platform-by-target-or-system
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(or (%current-target-system)
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(%current-system))))
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(%current-system)))))
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(defconfig ,(system->defconfig
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(or (%current-target-system)
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(%current-system))))
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@ -807,8 +795,9 @@ (define* (make-linux-libre* version gnu-revision source supported-systems
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,@(match (and configuration-file
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(configuration-file
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(system->linux-architecture
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(or (%current-target-system) (%current-system)))
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(platform-linux-architecture
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(lookup-platform-by-target-or-system
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(or (%current-target-system) (%current-system))))
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#:variant (version-major+minor version)))
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(#f ;no config for this platform
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'())
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@ -839,9 +828,10 @@ (define* (make-linux-libre* version gnu-revision source supported-systems
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(setenv "KBUILD_BUILD_HOST" "guix")
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;; Set ARCH and CROSS_COMPILE.
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(let ((arch #$(system->linux-architecture
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(let ((arch #$(platform-linux-architecture
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(lookup-platform-by-target-or-system
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(or (%current-target-system)
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(%current-system)))))
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(%current-system))))))
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(setenv "ARCH" arch)
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(format #t "`ARCH' set to `~a'~%" (getenv "ARCH"))
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@ -50,8 +50,8 @@ (define (default-linux)
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(module-ref module 'linux-libre)))
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(define (system->arch system)
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(let ((module (resolve-interface '(gnu packages linux))))
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((module-ref module 'system->linux-architecture) system)))
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(let ((module (resolve-interface '(gnu platform))))
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((module-ref module 'lookup-platform-by-target-or-system) system)))
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(define (make-linux-module-builder linux)
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(package
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