GNU bug report logs - #56872
[PATCH] gnu: mu: Update to 1.8.7.

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: guix-patches <at> gnu.org
Subject: [PATCH] gnu: mu: Update to 1.8.7.
Date: Mon,  1 Aug 2022 16:11:59 +0300

since 1.8:
* mu is built with meson build system.
* guile support is deprecated.

* gnu/packages/mail.scm (mu): Update to 1.8.7.
[source]: Changing from release tarball to checkout.
[build-system]: Changing to meson-build-system.
[native-inputs]: Removed glib:bin and tzdata, added gnupg amd texinfo.
[inputs]: Removed guile added coreutils (for /bin/rm command).
[arguments]: Removed obsolete 'patch-configure, 'fix-ffi and
'check-tz-setup phases. Added 'patch-bin-in-sources for
introduced /bin/rm command. Renamed and updated 'patch-bin-sh-in-tests
to 'patch-bin-in-tests.
---
 gnu/packages/mail.scm | 68 ++++++++++++++++++-------------------------
 1 file changed, 28 insertions(+), 40 deletions(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 556c5b4305..b57099de4d 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -1161,57 +1161,45 @@ (define-public emacs-mew
 (define-public mu
   (package
     (name "mu")
-    (version "1.6.11")
+    (version "1.8.7")
     (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/djcb/mu/releases/"
-                                  "download/" version "/"
-                                  "mu-" version ".tar.xz"))
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/djcb/mu")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "13gchks9znyw0axw1wlks7f7h4442rfagmj7kx0jm3qhvi0b5sk0"))))
-    (build-system gnu-build-system)
+                "0yfbw234yqnqfnsn5bj1hqwpy78pkxn05vl18z8nvsqdmpzal4gx"))))
+    (build-system meson-build-system)
     (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("glib" ,glib "bin")             ; for gtester
-       ("emacs" ,emacs-minimal)
-       ("tzdata" ,tzdata-for-tests)))   ; for mu/test/test-mu-query.c
+     (list pkg-config
+           emacs-minimal
+           gnupg                              ; for tests
+           texinfo))
     (inputs
-     (list xapian guile-3.0 glib gmime))
+     (list coreutils glib gmime xapian))
     (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
+     `(#:modules ((guix build meson-build-system)
+                  (guix build emacs-utils)
+                  (guix build utils))
+       #:imported-modules (,@%meson-build-system-modules
                            (guix build emacs-utils))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'patch-configure
-           ;; By default, elisp code goes to "share/emacs/site-lisp/mu4e",
-           ;; so our Emacs package can't find it.  Setting "--with-lispdir"
-           ;; configure flag doesn't help because "mu4e" will be added to
-           ;; the lispdir anyway, so we have to modify "configure.ac".
-           (lambda _
-             (substitute* "configure"
-               (("^ +lispdir=\"\\$\\{lispdir\\}/mu4e/\".*") ""))))
-         (add-after 'unpack 'patch-bin-sh-in-tests
+         (add-after 'unpack 'patch-bin-in-sources
+           (lambda* (#:key inputs #:allow-other-keys)
+             (substitute* "lib/utils/mu-utils.cc"
+               (("/bin/rm") (search-input-file inputs "/bin/rm")))))
+         (add-after 'patch-bin-in-sources 'patch-bin-in-tests
            (lambda _
              (substitute* '("guile/tests/test-mu-guile.cc"
-                            "mu/test-mu-cmd.cc"
-                            "mu/test-mu-cmd-cfind.cc"
-                            "mu/test-mu-query.cc")
-               (("/bin/sh") (which "sh")))))
-         (add-before 'install 'fix-ffi
-           (lambda* (#:key outputs #:allow-other-keys)
-             (substitute* "guile/mu.scm"
-               (("\"libguile-mu\"")
-                (format #f "\"~a/lib/libguile-mu\""
-                        (assoc-ref outputs "out"))))))
-         (add-before 'check 'check-tz-setup
-           (lambda* (#:key inputs #:allow-other-keys)
-             ;; For mu/test/test-mu-query.c
-             (setenv "TZDIR"
-                     (search-input-directory inputs "share/zoneinfo"))))
+                            "mu/tests/test-mu-cmd.cc"
+                            "mu/tests/test-mu-cmd-cfind.cc"
+                            "mu/tests/test-mu-query.cc")
+               (("/bin/sh") (which "sh")))
+             (substitute* '("lib/tests/bench-indexer.cc")
+               (("/bin/rm") (which "rm")))))
          (add-after 'install 'install-emacs-autoloads
            (lambda* (#:key outputs #:allow-other-keys)
              (emacs-generate-autoloads
-- 
2.37.1

Message #8 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: 56872 <at> debbugs.gnu.org
Subject: [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Mon,  1 Aug 2022 16:41:01 +0300

since 1.8:
* mu is built with meson build system.
* guile support is deprecated.

* gnu/packages/mail.scm (mu): Update to 1.8.7.
[source]: Changing from release tarball to checkout.
[build-system]: Changing to meson-build-system.
[native-inputs]: Removed glib:bin and tzdata, added gnupg amd texinfo.
[inputs]: Removed guile added coreutils (for /bin/rm command).
[arguments]: Removed obsolete 'patch-configure, 'fix-ffi and
'check-tz-setup phases. Added 'patch-bin-in-sources for
introduced /bin/rm command. Renamed and updated 'patch-bin-sh-in-tests
to 'patch-bin-in-tests.
---
 gnu/packages/mail.scm | 66 +++++++++++++++++--------------------------
 1 file changed, 26 insertions(+), 40 deletions(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 556c5b4305..2c06a1a9ba 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -48,6 +48,7 @@
 ;;; Copyright © 2022 Justin Veilleux <terramorpha <at> cock.li>
 ;;; Copyright © 2022 Thiago Jung Bauermann <bauermann <at> kolabnow.com>
 ;;; Copyright © 2022 Guillaume Le Vaillant <glv <at> posteo.net>
+;;; Copyright © 2022 muradm <mail <at> muradm.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1161,57 +1162,42 @@ (define-public emacs-mew
 (define-public mu
   (package
     (name "mu")
-    (version "1.6.11")
+    (version "1.8.7")
     (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/djcb/mu/releases/"
-                                  "download/" version "/"
-                                  "mu-" version ".tar.xz"))
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/djcb/mu")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "13gchks9znyw0axw1wlks7f7h4442rfagmj7kx0jm3qhvi0b5sk0"))))
-    (build-system gnu-build-system)
+                "0yfbw234yqnqfnsn5bj1hqwpy78pkxn05vl18z8nvsqdmpzal4gx"))))
+    (build-system meson-build-system)
     (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("glib" ,glib "bin")             ; for gtester
-       ("emacs" ,emacs-minimal)
-       ("tzdata" ,tzdata-for-tests)))   ; for mu/test/test-mu-query.c
+     (list emacs-minimal
+           gnupg                              ; for tests
+           pkg-config
+           texinfo))
     (inputs
-     (list xapian guile-3.0 glib gmime))
+     (list glib gmime xapian))
     (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
+     `(#:modules ((guix build meson-build-system)
+                  (guix build emacs-utils)
+                  (guix build utils))
+       #:imported-modules (,@%meson-build-system-modules
                            (guix build emacs-utils))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'patch-configure
-           ;; By default, elisp code goes to "share/emacs/site-lisp/mu4e",
-           ;; so our Emacs package can't find it.  Setting "--with-lispdir"
-           ;; configure flag doesn't help because "mu4e" will be added to
-           ;; the lispdir anyway, so we have to modify "configure.ac".
-           (lambda _
-             (substitute* "configure"
-               (("^ +lispdir=\"\\$\\{lispdir\\}/mu4e/\".*") ""))))
-         (add-after 'unpack 'patch-bin-sh-in-tests
+         (add-after 'unpack 'patch-bin-in-tests
            (lambda _
              (substitute* '("guile/tests/test-mu-guile.cc"
-                            "mu/test-mu-cmd.cc"
-                            "mu/test-mu-cmd-cfind.cc"
-                            "mu/test-mu-query.cc")
-               (("/bin/sh") (which "sh")))))
-         (add-before 'install 'fix-ffi
-           (lambda* (#:key outputs #:allow-other-keys)
-             (substitute* "guile/mu.scm"
-               (("\"libguile-mu\"")
-                (format #f "\"~a/lib/libguile-mu\""
-                        (assoc-ref outputs "out"))))))
-         (add-before 'check 'check-tz-setup
-           (lambda* (#:key inputs #:allow-other-keys)
-             ;; For mu/test/test-mu-query.c
-             (setenv "TZDIR"
-                     (search-input-directory inputs "share/zoneinfo"))))
+                            "mu/tests/test-mu-cmd.cc"
+                            "mu/tests/test-mu-cmd-cfind.cc"
+                            "mu/tests/test-mu-query.cc")
+               (("/bin/sh") (which "sh")))
+             (substitute* '("lib/utils/mu-utils.cc"
+                            "lib/tests/bench-indexer.cc")
+               (("/bin/rm") (which "rm")))))
          (add-after 'install 'install-emacs-autoloads
            (lambda* (#:key outputs #:allow-other-keys)
              (emacs-generate-autoloads
-- 
2.37.1

Message #11 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: 56872 <at> debbugs.gnu.org
Subject: [PATCH v3] gnu: mu: Update to 1.8.7.
Date: Mon,  1 Aug 2022 16:44:54 +0300

since 1.8:
* mu is built with meson build system.
* guile support is deprecated.

* gnu/packages/mail.scm (mu): Update to 1.8.7.
[source]: Changing from release tarball to checkout.
[build-system]: Changing to meson-build-system.
[native-inputs]: Removed glib:bin and tzdata, added gnupg amd texinfo.
[inputs]: Removed guile added coreutils (for /bin/rm command).
[arguments]: Removed obsolete 'patch-configure, 'fix-ffi and
'check-tz-setup phases. Added 'patch-bin-in-sources for
introduced /bin/rm command. Renamed and updated 'patch-bin-sh-in-tests
to 'patch-bin-in-tests.
---
 gnu/packages/mail.scm | 66 +++++++++++++++++--------------------------
 1 file changed, 26 insertions(+), 40 deletions(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index 556c5b4305..2c06a1a9ba 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -48,6 +48,7 @@
 ;;; Copyright © 2022 Justin Veilleux <terramorpha <at> cock.li>
 ;;; Copyright © 2022 Thiago Jung Bauermann <bauermann <at> kolabnow.com>
 ;;; Copyright © 2022 Guillaume Le Vaillant <glv <at> posteo.net>
+;;; Copyright © 2022 muradm <mail <at> muradm.net>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -1161,57 +1162,42 @@ (define-public emacs-mew
 (define-public mu
   (package
     (name "mu")
-    (version "1.6.11")
+    (version "1.8.7")
     (source (origin
-              (method url-fetch)
-              (uri (string-append "https://github.com/djcb/mu/releases/"
-                                  "download/" version "/"
-                                  "mu-" version ".tar.xz"))
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/djcb/mu")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
               (sha256
                (base32
-                "13gchks9znyw0axw1wlks7f7h4442rfagmj7kx0jm3qhvi0b5sk0"))))
-    (build-system gnu-build-system)
+                "0yfbw234yqnqfnsn5bj1hqwpy78pkxn05vl18z8nvsqdmpzal4gx"))))
+    (build-system meson-build-system)
     (native-inputs
-     `(("pkg-config" ,pkg-config)
-       ("glib" ,glib "bin")             ; for gtester
-       ("emacs" ,emacs-minimal)
-       ("tzdata" ,tzdata-for-tests)))   ; for mu/test/test-mu-query.c
+     (list emacs-minimal
+           gnupg                              ; for tests
+           pkg-config
+           texinfo))
     (inputs
-     (list xapian guile-3.0 glib gmime))
+     (list glib gmime xapian))
     (arguments
-     `(#:modules ((guix build gnu-build-system)
-                  (guix build utils)
-                  (guix build emacs-utils))
-       #:imported-modules (,@%gnu-build-system-modules
+     `(#:modules ((guix build meson-build-system)
+                  (guix build emacs-utils)
+                  (guix build utils))
+       #:imported-modules (,@%meson-build-system-modules
                            (guix build emacs-utils))
        #:phases
        (modify-phases %standard-phases
-         (add-after 'unpack 'patch-configure
-           ;; By default, elisp code goes to "share/emacs/site-lisp/mu4e",
-           ;; so our Emacs package can't find it.  Setting "--with-lispdir"
-           ;; configure flag doesn't help because "mu4e" will be added to
-           ;; the lispdir anyway, so we have to modify "configure.ac".
-           (lambda _
-             (substitute* "configure"
-               (("^ +lispdir=\"\\$\\{lispdir\\}/mu4e/\".*") ""))))
-         (add-after 'unpack 'patch-bin-sh-in-tests
+         (add-after 'unpack 'patch-bin-in-tests
            (lambda _
              (substitute* '("guile/tests/test-mu-guile.cc"
-                            "mu/test-mu-cmd.cc"
-                            "mu/test-mu-cmd-cfind.cc"
-                            "mu/test-mu-query.cc")
-               (("/bin/sh") (which "sh")))))
-         (add-before 'install 'fix-ffi
-           (lambda* (#:key outputs #:allow-other-keys)
-             (substitute* "guile/mu.scm"
-               (("\"libguile-mu\"")
-                (format #f "\"~a/lib/libguile-mu\""
-                        (assoc-ref outputs "out"))))))
-         (add-before 'check 'check-tz-setup
-           (lambda* (#:key inputs #:allow-other-keys)
-             ;; For mu/test/test-mu-query.c
-             (setenv "TZDIR"
-                     (search-input-directory inputs "share/zoneinfo"))))
+                            "mu/tests/test-mu-cmd.cc"
+                            "mu/tests/test-mu-cmd-cfind.cc"
+                            "mu/tests/test-mu-query.cc")
+               (("/bin/sh") (which "sh")))
+             (substitute* '("lib/utils/mu-utils.cc"
+                            "lib/tests/bench-indexer.cc")
+               (("/bin/rm") (which "rm")))))
          (add-after 'install 'install-emacs-autoloads
            (lambda* (#:key outputs #:allow-other-keys)
              (emacs-generate-autoloads
-- 
2.37.1

Message #16 received at 56872-done <at> debbugs.gnu.org (full text, mbox):

From: Ricardo Wurmus <rekado <at> elephly.net>
To: 56872-done <at> debbugs.gnu.org
Subject: [PATCH] gnu: mu: Update to 1.8.7.
Date: Mon, 01 Aug 2022 16:05:09 +0200

Applied with commit 7e3234cb709076c8f4514f8b9320a0585dd9c958.

I made a few changes while you were worknig on v2 and v3, so the result
is an amalgamation of these patches.

-- 
Ricardo

Message #19 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: muradm <mail <at> muradm.net>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 2 Aug 2022 18:25:51 +0200

[Message part 1 (text/plain, inline)]

On 01-08-2022 15:41, muradm wrote:
> +             (substitute* '("lib/utils/mu-utils.cc"
> +                            "lib/tests/bench-indexer.cc")
> +               (("/bin/rm") (which "rm")))))

The lib/utils/mu-utils.cc + 'which' looks wrong when cross-compiling -- 
try using search-input-file on 'inputs' instead (which looks in 
native-inputs (which happens to be merged with inputs when compiling 
natively))).

(If it does not end up in the binary, then 'which' should be fine)

> [inputs]: Removed guile added coreutils (for /bin/rm command).
I'm not seeing coreutils in there.

Greetings,
Maxime

[OpenPGP_0x49E3EE22191725EE.asc (application/pgp-keys, attachment)]

[OpenPGP_signature (application/pgp-signature, attachment)]

Message #22 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: Maxime Devos <maximedevos <at> telenet.be>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 02 Aug 2022 22:03:06 +0300

[Message part 1 (text/plain, inline)]

Hi,

This patch worked for me in my host.
I don't have any environment to see if working when
actually cross-compiling.

For the comment on coreutils, yeah missed update when removed.

[0001-gnu-mu-Fix-cross-compiling.patch (text/x-patch, inline)]

From b688acbb5b9d6d65606edf2164cad09c9cf06225 Mon Sep 17 00:00:00 2001
From: muradm <mail <at> muradm.net>
Date: Tue, 2 Aug 2022 21:57:57 +0300
Subject: [PATCH] gnu: mu: Fix cross-compiling.
To: Maxime Devos <maximedevos <at> telenet.be>,
    56872 <at> debbugs.gnu.org

* gnu/packages/mail.scm (mu)[arguments]: Use search-input-file
to find /bin/sh and /bin/rm from inputs.
---
 gnu/packages/mail.scm | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index ca4b3e819e..3776157c0b 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -1189,15 +1189,15 @@ (define-public mu
        #:phases
        (modify-phases %standard-phases
          (add-after 'unpack 'patch-bin-references
-           (lambda _
+           (lambda* (#:key inputs #:allow-other-keys)
              (substitute* '("guile/tests/test-mu-guile.cc"
                             "mu/tests/test-mu-cmd.cc"
                             "mu/tests/test-mu-cmd-cfind.cc"
                             "mu/tests/test-mu-query.cc")
-               (("/bin/sh") (which "sh")))
+               (("/bin/sh") (search-input-file inputs "/bin/sh")))
              (substitute* '("lib/tests/bench-indexer.cc"
                             "lib/utils/mu-utils.cc")
-               (("/bin/rm") (which "rm")))))
+               (("/bin/rm") (search-input-file inputs "/bin/rm")))))
          (add-after 'install 'install-emacs-autoloads
            (lambda* (#:key outputs #:allow-other-keys)
              (emacs-generate-autoloads
-- 
2.37.1

[Message part 3 (text/plain, inline)]

Maxime Devos <maximedevos <at> telenet.be> writes:

> [[PGP Signed Part:Undecided]]
>
> On 01-08-2022 15:41, muradm wrote:
>> +             (substitute* '("lib/utils/mu-utils.cc"
>> +                            "lib/tests/bench-indexer.cc")
>> +               (("/bin/rm") (which "rm")))))
>
> The lib/utils/mu-utils.cc + 'which' looks wrong when 
> cross-compiling
> -- try using search-input-file on 'inputs' instead (which looks 
> in
> native-inputs (which happens to be merged with inputs when 
> compiling
> natively))).
>
> (If it does not end up in the binary, then 'which' should be 
> fine)
>
>> [inputs]: Removed guile added coreutils (for /bin/rm command).
> I'm not seeing coreutils in there.
>
> Greetings,
> Maxime
>
> [2. OpenPGP public key --- application/pgp-keys; 
> OpenPGP_0x49E3EE22191725EE.asc]...
>
> [[End of PGP Signed Part]]

[signature.asc (application/pgp-signature, inline)]

Message #25 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: "(" <paren <at> disroot.org>
To: "muradm" <mail <at> muradm.net>, "Maxime Devos" <maximedevos <at> telenet.be>,
 <56872 <at> debbugs.gnu.org>
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 02 Aug 2022 20:14:51 +0100

On Tue Aug 2, 2022 at 8:03 PM BST, muradm wrote:
> I don't have any environment to see if working when
> actually cross-compiling.
You can cross-compile to any architecture you want if you add
`qemu-binfmt-service-type` to your system config and specify
the architectures you want. Then you just need to do something
like:

ʃ guix build --system=aarch64-linux mu
ʃ guix build --system=riscv64-linux mu

Also, on x86-64, you can cross-compile to x86-32 without any
emulation:

ʃ guix build --system=i686-linux mu

    -- (

Message #28 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: "(" <paren <at> disroot.org>
Cc: Maxime Devos <maximedevos <at> telenet.be>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 02 Aug 2022 22:27:10 +0300

[Message part 1 (text/plain, inline)]

Thanks, I know.
My laptop won't survive, to be correct.
That what I ment :)

"(" <paren <at> disroot.org> writes:

> On Tue Aug 2, 2022 at 8:03 PM BST, muradm wrote:
>> I don't have any environment to see if working when
>> actually cross-compiling.
> You can cross-compile to any architecture you want if you add
> `qemu-binfmt-service-type` to your system config and specify
> the architectures you want. Then you just need to do something
> like:
>
> ʃ guix build --system=aarch64-linux mu
> ʃ guix build --system=riscv64-linux mu
>
> Also, on x86-64, you can cross-compile to x86-32 without any
> emulation:
>
> ʃ guix build --system=i686-linux mu
>
>     -- (

[signature.asc (application/pgp-signature, inline)]

Message #31 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: "(" <paren <at> disroot.org>, muradm <mail <at> muradm.net>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 2 Aug 2022 21:53:15 +0200

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On 02-08-2022 21:14, ( wrote:
> On Tue Aug 2, 2022 at 8:03 PM BST, muradm wrote:
>> I don't have any environment to see if working when
>> actually cross-compiling.
> You can cross-compile to any architecture you want if you add
> `qemu-binfmt-service-type` to your system config and specify
> the architectures you want. Then you just need to do something
> like:
>
> ʃ guix build --system=aarch64-linux mu
> ʃ guix build --system=riscv64-linux mu
>
> Also, on x86-64, you can cross-compile to x86-32 without any
> emulation:
>
> ʃ guix build --system=i686-linux mu
>
>      -- (

This is 'QEMU transparent emulation' -- from Guix' perspective, this is 
not cross-compilation (see: transparent), but rather it is as-if you 
were compiling natively on a aarch64 or riscv64 instead of 
cross-compiling from a <insert your CPU type> to aarch64 or riscv64.

Instead, try:

$ guix build --target=aarch64-linux-gnu mu
$ guix build --target=aarch64-linux-gnu mu

, which exercises Guix' cross-compilation codepaths.

--system: system to run the compilation process on (possibly emulated)

--target: system to cross-compile _to_/system on which the _result_ of 
compilation will be run.

Also, you don't need a aarch64 or riscv64 to check the references (try 
"guix graph --type=references $(./pre-inst-env guix build mu 
--target=..." or "guix gc --references $(./pre-inst-env guix build mu 
--target=...)") and check that the 'mu' doesn't point to coreutils).

Greetings,
Maxime.

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Message #34 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: muradm <mail <at> muradm.net>, "(" <paren <at> disroot.org>
Cc: 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 2 Aug 2022 21:59:56 +0200

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On 02-08-2022 21:27, muradm wrote:
>
> Thanks, I know.
> My laptop won't survive, to be correct.
> That what I ment :)

The build farm has substitutes for the cross-compiler and the 
cross-compiled glib (at least if you are cross-compiling from 
x86_64-linux), so except for downloading some additional substitutes, 
cross-compiling mu should not take much longer than compiling natively 
(assuming the substitute server is authorised).

In fact, for me it finished after a few seconds because of dependency 
pth fails to cross-compile:

> checking size of short... grep: /usr/include/features.h: No such file 
> or directory
> [...]
>
> ./libtool --mode=compile --quiet aarch64-linux-gnu-gcc -c -I. -O2 
> -pipe pth_mctx.c
> pth_mctx.c: In function '__pth_mctx_set':
> pth_mctx.c:480:2: error: #error "Unsupported Linux (g)libc version 
> and/or platform"
>   480 | #error "Unsupported Linux (g)libc version and/or platform"
>       |  ^~~~~
> make: *** [Makefile:155: pth_mctx.lo] Error 1
> error: in phase 'build': uncaught exception:
>
Greetings,
Maxime.

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Message #37 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: muradm <mail <at> muradm.net>
To: Maxime Devos <maximedevos <at> telenet.be>
Cc: "\(" <paren <at> disroot.org>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 02 Aug 2022 23:13:53 +0300

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From below error I see that it is pth package failing to build.
Most likely there are others that are not getting built.
Does it mean that it was never built before mu-1.8.7?
Does it mean that we sould restrict mu-1.8.7 by platform?

Maxime Devos <maximedevos <at> telenet.be> writes:

> [[PGP Signed Part:Undecided]]
>
> On 02-08-2022 21:27, muradm wrote:
>>
>> Thanks, I know.
>> My laptop won't survive, to be correct.
>> That what I ment :)
>
> The build farm has substitutes for the cross-compiler and the
> cross-compiled glib (at least if you are cross-compiling from
> x86_64-linux), so except for downloading some additional 
> substitutes,
> cross-compiling mu should not take much longer than compiling 
> natively
> (assuming the substitute server is authorised).
>
> In fact, for me it finished after a few seconds because of 
> dependency
> pth fails to cross-compile:
>
>> checking size of short... grep: /usr/include/features.h: No 
>> such
>> file or directory
>> [...]
>>
>> ./libtool --mode=compile --quiet aarch64-linux-gnu-gcc -c -I. 
>> -O2
>> -pipe pth_mctx.c
>> pth_mctx.c: In function '__pth_mctx_set':
>> pth_mctx.c:480:2: error: #error "Unsupported Linux (g)libc 
>> version
>> and/or platform"
>>   480 | #error "Unsupported Linux (g)libc version and/or 
>> platform"
>>       |  ^~~~~
>> make: *** [Makefile:155: pth_mctx.lo] Error 1
>> error: in phase 'build': uncaught exception:
>>
> Greetings,
> Maxime.
>
> [2. OpenPGP public key --- application/pgp-keys; 
> OpenPGP_0x49E3EE22191725EE.asc]...
>
> [[End of PGP Signed Part]]

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Message #40 received at 56872 <at> debbugs.gnu.org (full text, mbox):

From: Maxime Devos <maximedevos <at> telenet.be>
To: muradm <mail <at> muradm.net>
Cc: "\(" <paren <at> disroot.org>, 56872 <at> debbugs.gnu.org
Subject: Re: [bug#56872] [PATCH v2] gnu: mu: Update to 1.8.7.
Date: Tue, 2 Aug 2022 22:19:03 +0200

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On 02-08-2022 22:13, muradm wrote:
> From below error I see that it is pth package failing to build.
> Most likely there are others that are not getting built.
> Does it mean that it was never built before mu-1.8.7?
> Does it mean that we sould restrict mu-1.8.7 by platform?
>
It fails to cross-compile to aarch64-linux (--target), but it compiles 
fine natively (--system without --target), so I don't think adjusting 
'supported-systems' is necessary.  Rather, it seems to me that pth' 
configure script should eventually be tweaked to support 
aarch64-linux-gnu not only when compiling natively, but also when 
cross-compiling.

Greetings,
Maxime.

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