GNU bug report logs - #66624
[PATCH emacs-team 00/15] Start reworking emacs-build-system

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Message #53 received at 66624 <at> debbugs.gnu.org (full text, mbox):

From: Andrew Tropin <andrew <at> trop.in>
To: Liliana Marie Prikler <liliana.prikler <at> gmail.com>, 66624 <at> debbugs.gnu.org
Cc: cox.katherine.e+guix <at> gmail.com, liliana.prikler <at> gmail.com
Subject: Re: [bug#66624] [PATCH emacs-team 01/15] guix: emacs-build-system:
 Process package source in build tree.
Date: Mon, 23 Oct 2023 12:41:29 +0400

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

On 2023-10-19 06:06, Liliana Marie Prikler wrote:

> * guix/build/emacs-build-system.scm (ensure-package-description)
> (patch-el-files, make-autoloads): Operate on the current working directory,
> either implicitly, or through (getcwd).

Sounds reasonable and seems to simplify build phases.

> (enable-autoloads-compilation): Deleted variable, logic moved into
> make-autoloads.
> (%standard-phases): Adjust accordingly.
> ---
>  guix/build/emacs-build-system.scm | 85 +++++++++++++------------------
>  1 file changed, 34 insertions(+), 51 deletions(-)
>
> diff --git a/guix/build/emacs-build-system.scm b/guix/build/emacs-build-system.scm
> index 3808b60445..aa083c6409 100644
> --- a/guix/build/emacs-build-system.scm
> +++ b/guix/build/emacs-build-system.scm
> @@ -132,29 +132,25 @@ (define* (build #:key outputs inputs #:allow-other-keys)
>      (parameterize ((%emacs emacs))
>        (emacs-compile-directory (elpa-directory out)))))
>  
> -(define* (patch-el-files #:key outputs #:allow-other-keys)
> -  "Substitute the absolute \"/bin/\" directory with the right location in the
> -store in '.el' files."
> -
> -  (let* ((out (assoc-ref outputs "out"))
> -         (elpa-name-ver (store-directory->elpa-name-version out))
> -         (el-dir (string-append out %install-dir "/" elpa-name-ver))
> -         (el-files (find-files (getcwd) "\\.el$")))
> -    (define (substitute-program-names)
> -      (substitute* el-files
> -        (("\"/bin/([^.]\\S*)\"" _ cmd-name)
> -         (let ((cmd (which cmd-name)))
> -           (unless cmd
> -             (error "patch-el-files: unable to locate " cmd-name))
> -           (string-append "\"" cmd "\"")))))
> -
> -    (with-directory-excursion el-dir
> -      ;; Some old '.el' files (e.g., tex-buf.el in AUCTeX) are still
> -      ;; ISO-8859-1-encoded.
> -      (unless (false-if-exception (substitute-program-names))
> -        (with-fluids ((%default-port-encoding "ISO-8859-1"))
> -          (substitute-program-names))))
> -    #t))
> +(define* (patch-el-files #:key inputs outputs #:allow-other-keys)
> +  "Substitute the absolute \"/bin/\" and \"/sbin\" directories with the right
> +locations in the store in '.el' files."
> +
> +  (define substitute-program-names
> +    (let ((el-files (find-files (getcwd) "\\.el$")))
> +      (lambda ()
> +        (substitute* el-files
> +          (("\"/(s?bin/[^.]\\S*)\"" _ cmd)
> +           (let ((cmd (search-input-file inputs cmd)))
> +             (unless cmd
> +               (error "patch-el-files: unable to locate " (basename cmd)))
> +             (string-append "\"" cmd "\"")))))))
> +
> +  (unless (false-if-exception (substitute-program-names))
> +    ;; Some old '.el' files (e.g., tex-buf.el in AUCTeX) are still
> +    ;; ISO-8859-1-encoded.
> +    (with-fluids ((%default-port-encoding "ISO-8859-1"))
> +      (substitute-program-names))))
>  
>  (define (find-root-library-file name)
>    (let loop ((parts (string-split
> @@ -224,10 +220,8 @@ (define* (ensure-package-description #:key outputs #:allow-other-keys)
>        (emacs-batch-edit-file (string-append name ".el")
>          %write-pkg-file-form)))
>  
> -  (let* ((out (assoc-ref outputs "out"))
> -         (elpa-name-ver (store-directory->elpa-name-version out)))
> -    (with-directory-excursion (elpa-directory out)
> -      (and=> (find-root-library-file elpa-name-ver) write-pkg-file))))
> +  (let ((name (store-directory->elpa-name-version (assoc-ref outputs "out"))))
> +    (and=> (find-root-library-file name) write-pkg-file)))
>  
>  (define* (check #:key tests? (test-command '("make" "check"))
>                  (parallel-tests? #t) #:allow-other-keys)
> @@ -306,24 +300,15 @@ (define* (move-doc #:key outputs #:allow-other-keys)
>                    info-files)))
>      #t))
>  
> -(define* (make-autoloads #:key outputs inputs #:allow-other-keys)
> +(define* (make-autoloads #:key outputs #:allow-other-keys)
>    "Generate the autoloads file."
> -  (let* ((emacs (search-input-file inputs "/bin/emacs"))
> -         (out (assoc-ref outputs "out"))
> -         (elpa-name-ver (store-directory->elpa-name-version out))
> -         (elpa-name (package-name->name+version elpa-name-ver))
> -         (el-dir (elpa-directory out)))
> -    (parameterize ((%emacs emacs))
> -      (emacs-generate-autoloads elpa-name el-dir))))
> -
> -(define* (enable-autoloads-compilation #:key outputs #:allow-other-keys)
> -  "Remove the NO-BYTE-COMPILATION local variable embedded in the generated
> -autoload files."
> -  (let* ((out (assoc-ref outputs "out"))
> -         (autoloads (find-files out "-autoloads.el$")))
> -    (substitute* autoloads
> -      ((";; no-byte-compile.*") ""))
> -    #t))
> +  (emacs-generate-autoloads
> +   (package-name->name+version (store-directory->elpa-name-version
> +                                (assoc-ref outputs "out")))
> +   (getcwd))
> +  ;; Ensure that autoloads can be byte-compiled.
> +  (substitute* (find-files "." "-autoloads\\.el$")
> +    ((";; no-byte-compile.*") "")))
>  
>  (define* (validate-compiled-autoloads #:key outputs #:allow-other-keys)
>    "Verify whether the byte compiled autoloads load fine."
> @@ -358,7 +343,11 @@ (define (elpa-directory store-dir)
>  (define %standard-phases
>    (modify-phases gnu:%standard-phases
>      (replace 'unpack unpack)
> +    (add-after 'unpack 'ensure-package-description
> +      ensure-package-description)
>      (add-after 'unpack 'expand-load-path expand-load-path)
> +    (add-after 'unpack 'patch-el-files patch-el-files)
> +    (add-after 'expand-load-path 'make-autoloads make-autoloads)
>      (add-after 'expand-load-path 'add-install-to-native-load-path
>        add-install-to-native-load-path)
>      (delete 'bootstrap)
> @@ -366,14 +355,8 @@ (define %standard-phases
>      (delete 'build)
>      (replace 'check check)
>      (replace 'install install)
> -    (add-after 'install 'make-autoloads make-autoloads)
> -    (add-after 'make-autoloads 'enable-autoloads-compilation
> -      enable-autoloads-compilation)
> -    (add-after 'enable-autoloads-compilation 'patch-el-files patch-el-files)
> -    (add-after 'patch-el-files 'ensure-package-description
> -      ensure-package-description)
>      ;; The .el files are byte compiled directly in the store.
> -    (add-after 'ensure-package-description 'build build)
> +    (add-after 'install 'build build)
>      (add-after 'build 'validate-compiled-autoloads validate-compiled-autoloads)
>      (add-after 'validate-compiled-autoloads 'move-doc move-doc)))

I didn't spot any obvious issues with the patch series.  Thank you for working on it!

-- 
Best regards,
Andrew Tropin

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