[PATCH] Compiling multiple times the LaTeX output

From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: [PATCH] Compiling multiple times the LaTeX output
Date: Thu, 30 Sep 2010 15:27:49 +0200	[thread overview]
Message-ID: <874od7uzsa.fsf_-_@mundaneum.com> (raw)
In-Reply-To: 87r5gcshnf.fsf@noorul.maa.corp.collab.net

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Hi Noorul and all,

Noorul Islam K M wrote:
> Sébastien Vauban <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org> writes:
>> I've been taught of a weird observation: the page number indicated in the
>> TOC of a PDFLaTeX output is wrong by one page...
>
> Quoting from source code
>
> (defcustom org-latex-to-pdf-process
>   '("pdflatex -interaction nonstopmode -output-directory %o %f"
>     "pdflatex -interaction nonstopmode -output-directory %o %f")
>   "Commands to process a LaTeX file to a PDF file.
> This is a list of strings, each of them will be given to the shell
> as a command.

Attached my proposed patch for fixing this, regarding the TOC error (needed a
third compilation). Here, as many compilations as necessary are run, up to
when LaTeX confirms the result is stable (no message "please re-run...").

Best regards,
  Seb

-- 
Sébastien Vauban

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Changes in HEAD
	Modified lisp/org-latex.el

diff --git a/lisp/org-latex.el b/lisp/org-latex.el
index 9a62457..4b3e7f2 100644
--- a/lisp/org-latex.el
+++ b/lisp/org-latex.el
@@ -456,17 +456,17 @@ allowed.  The default we use here encompasses both."
   :group 'org-export)
 
 (defcustom org-latex-to-pdf-process
-  '("pdflatex -interaction nonstopmode -output-directory %o %f"
-    "pdflatex -interaction nonstopmode -output-directory %o %f")
+  '("rm -f %b.log; pdflatex -interaction nonstopmode -output-directory %o %f; while (grep -e \"Rerun .* cross-references\" %b.log > /dev/null); do rm -f %b.log; pdflatex -interaction nonstopmode -output-directory %o %f; done")
   "Commands to process a LaTeX file to a PDF file.
 This is a list of strings, each of them will be given to the shell
 as a command.  %f in the command will be replaced by the full file name, %b
 by the file base name (i.e. without extension) and %o by the base directory
 of the file.
 The reason why this is a list is that it usually takes several runs of
-pdflatex, maybe mixed with a call to bibtex.  Org does not have a clever
-mechanism to detect which of these commands have to be run to get to a stable
-result, and it also does not do any error checking.
+pdflatex, maybe mixed with a call to bibtex.  Org does now have a clever
+mechanism to detect how many times the document has to be compiled to
+get to a stable result for the cross-references.  Though, bibtex calls
+are still missing and it also does not do any error checking.
 
 Alternatively, this may be a Lisp function that does the processing, so you
 could use this to apply the machinery of AUCTeX or the Emacs LaTeX mode.


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