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bug#25799: [PATCH] gnu: add basic support for "alpha-linux" system
From: |
Kei Kebreau |
Subject: |
bug#25799: [PATCH] gnu: add basic support for "alpha-linux" system |
Date: |
Sun, 05 Mar 2017 12:22:13 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux) |
Sergei Trofimovich <address@hidden> writes:
> This change allows cross-building packages
> by just using --target=alpha-unknown-linux-gnu re2c:
>
> $ ./pre-inst-env guix build --target=alpha-unknown-linux-gnu re2c
> $ file /gnu/store/p1z9iszzb4ng0vzc535sc2ha33ax24l6-re2c-0.16/bin/re2c
> /gnu/store/p1z9iszzb4ng0vzc535sc2ha33ax24l6-re2c-0.16/bin/re2c: ELF 64-bit
> LSB executable, Alpha (unofficial), version 1 (SYSV), dynamically linked,
> interpreter
> /gnu/store/0z5d6z3hh41w7z5g2g82zlnwgpbj0i1a-glibc-cross-alpha-unknown-linux-gnu-2.24/lib/ld-linux.so.2,
> for GNU/Linux 3.2.0, not stripped
>
> The only slighty nontrivial change is GLIBC_DYNAMIC_LINKER change:
> glibc for alpha uses 'GLIBC_DYNAMIC_LINKER<TAB>"/lib/ld-linux.so.2"'
>
> * gnu/packages/bootstrap.scm (glibc-dynamic-linker): add "/lib/ld-linux.so.2"
> as "alpha-linux" ld.so
> * gnu/packages/gcc.scm (gcc-4.7): fix GLIBC_DYNAMIC_LINKER substitution when
> delimiter is a tab
> * gnu/packages/linux.scm (system->linux-architecture): add "alpha" arch
>
> Signed-off-by: Sergei Trofimovich <address@hidden>
> ---
> gnu/packages/bootstrap.scm | 1 +
> gnu/packages/gcc.scm | 2 +-
> gnu/packages/linux.scm | 1 +
> 3 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/gnu/packages/bootstrap.scm b/gnu/packages/bootstrap.scm
> index c8d94c830..b4847094b 100644
> --- a/gnu/packages/bootstrap.scm
> +++ b/gnu/packages/bootstrap.scm
> @@ -167,6 +167,7 @@ successful, or false to signal an error."
> ((string=? system "i586-gnu") "/lib/ld.so.1")
> ((string=? system "i686-gnu") "/lib/ld.so.1")
> ((string=? system "aarch64-linux") "/lib/ld-linux-aarch64.so.1")
> + ((string=? system "alpha-linux") "/lib/ld-linux.so.2")
>
> ;; XXX: This one is used bare-bones, without a libc, so add a case
> ;; here just so we can keep going.
> diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
> index cfd33f85a..7522f1c7f 100644
> --- a/gnu/packages/gcc.scm
> +++ b/gnu/packages/gcc.scm
> @@ -212,7 +212,7 @@ where the OS part is overloaded to denote a specific
> ABI---into GCC
> ;; Fix the dynamic linker's file name.
> (substitute* (find-files "gcc/config"
> "^(linux|gnu)(64|-elf|-eabi)?\\.h$")
> - (("#define GLIBC_DYNAMIC_LINKER([^ ]*).*$" _ suffix)
> + (("#define GLIBC_DYNAMIC_LINKER([^ \t]*).*$" _ suffix)
> (format #f "#define GLIBC_DYNAMIC_LINKER~a \"~a\"~%"
> suffix
> (string-append libc ,(glibc-dynamic-linker)))))
> diff --git a/gnu/packages/linux.scm b/gnu/packages/linux.scm
> index 9212b40a1..7d59faf4a 100644
> --- a/gnu/packages/linux.scm
> +++ b/gnu/packages/linux.scm
> @@ -106,6 +106,7 @@
> ((string-prefix? "mips" arch) "mips")
> ((string-prefix? "arm" arch) "arm")
> ((string-prefix? "aarch64" arch) "arm64")
> + ((string-prefix? "alpha" arch) "alpha")
> (else arch))))
>
> (define (linux-libre-urls version)
Hi Sergei,
I'm not sure what the requirements for accepting another architecture
into the codebase are, but I did try to build the bootstrap tarballs
with this patch applied. I got a failure when building libffi:
../src/alpha/osf.S:298:2: error: #error "osf.S out of sync with ffi.h"
The libffi homepage (https://sourceware.org/libffi/) does say that the
library has been tested on the Alpha architecture under GNU/Linux, so
the problem might be specific to our configuration. It would be nice for
this issue to get picked up if someone has the time.
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