Subject: bug#76523: 30.0.93; with-native-compilation=aot breaks some Lisp

From: Pip Cet <[email-masked]>
Date: Mon, 24 Feb 2025 16:23:28 +0000

"Spencer Baugh via \"Bug reports for GNU Emacs, the Swiss army knife of text editors\"" <[email-masked]> writes:

> 1. cd ~/src/emacs/emacs-30
> 2. ./configure --without-all --without-x --with-zlib --with-native-compilation=aot && make -j64
> 3. ./src/emacs --batch --eval '(progn (require '\''package) (package-read-from-string "((emacs \"26.1\"))"))'
> 4. Observe this error:
> Error: error ("Can’t read whole string")
>   error("Can't read whole string")
>   package-read-from-string("((emacs \"26.1\"))")
>   (progn (require 'package) (package-read-from-string "((emacs \"26.1\"))"))
>   eval((progn (require 'package) (package-read-from-string "((emacs \"26.1\"))")) t)
>   command-line-1(("--eval" "(progn (require 'package) (package-read-from-string \"((emacs \\\"26.1\\\"))\"))"))
>   command-line()
>   normal-top-level()
> Can’t read whole string

This is bug#63288, fixed on master but not on emacs-30, IIUC.  One
warkaround is not to pass "-j64" to make.

https://debbugs.gnu.org/cgi/bugreport.cgi?bug=63288

Pip