this post was submitted on 24 Oct 2023
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Failing to load auctex when installed via elpaca (alien.top)
submitted 1 year ago by noobaster-pro-007@alien.top to c/emacs
7 comments fedilink hide all child comments
 

I have installed the auctex via elpaca but unable to load it. how to do that. please help

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[–] nv-elisp@alien.top 1 points 1 year ago (1 children)

Auctex requires a :pre-build step which involves generating elisp files. If that step fails, certain parts will break. There are several ways to configure the build as well. See the various issues on the bug tracker for more info. e.g,

https://github.com/progfolio/elpaca/issues/191

[–] noobaster-pro-007@alien.top 1 points 1 year ago (1 children)

Thanks for helping out.

[–] varsderk@alien.top 1 points 1 year ago

Auctex is a notoriously tricky package to get built.

[–] Ok_Advisor1053@alien.top 1 points 1 year ago (1 children)

This is how I got it to work

```
(use-package tex
  :demand t                             
  :elpaca (auctex :pre-build (("./autogen.sh")
                              ("./configure"
                               "--with-texmf-dir=$(dirname $(kpsexpand '$TEXMFHOME'))")
                              ("make")))

... rest of your config)
```
[–] noobaster-pro-007@alien.top 1 points 1 year ago (1 children)

"--with-texmf-dir=$(dirname $(kpsexpand '$TEXMFHOME'))")

didn't got this.

Also when i added the code to my init file it is returning error

[–] noobaster-pro-007@alien.top 1 points 1 year ago

Error (use-package): tex/:catch: Cannot open load file: No such file or directory, tex-site

[–] linusstrang5@alien.top 1 points 1 year ago

Here is the solution I came up with, following the hints given by [[https://github.com/progfolio/elpaca/issues/191]]

 (defun ded:elpaca-build-dir (p)
    "Return the elpaca build directory for package symbol p"
    (-first-item
     (f-directories elpaca-builds-directory
  	                (lambda (dir) (string-match-p (concat "^" (symbol-name p) "$") (f-filename dir))))))

  (use-package auctex
    :elpaca (auctex :pre-build (("./autogen.sh")
                                ("./configure" "--without-texmf-dir" "--with-lispdir=.")
                                ("make")
                                ("install-info" "doc/auctex.info" "doc/dir")
                                ("install-info" "doc/preview-latex.info" "doc/dir")))
    :mode (("\\.tex\\'" . TeX-latex-mode)
           ("\\.tex\\.erb\\'" . TeX-latex-mode)
           ("\\.etx\\'" . TeX-latex-mode))
    :init
    (add-to-list 'Info-additional-directory-list (f-join (ded:elpaca-build-dir 'auctex) "doc"))
    (add-hook 'tex-mode-hook
              (lambda ()
                (load "auctex.el")
                (setq TeX-command-extra-options "-shell-escape")))
    :config
    (setq-default TeX-global-PDF-mode 1)
    (setq-default  preview-scale-function 1.5)
    (setq TeX-auto-save t
          TeX-parse-self t
          default-truncate-lines t
          TeX-save-query nil
          TeX-source-correlate-method 'synctex))