branch: externals/compat
commit 34463680d51316441c54920e90e7ac010c18b50e
Author: Daniel Mendler <m...@daniel-mendler.de>
Commit: Daniel Mendler <m...@daniel-mendler.de>
Add runtime version check
We must make sure that we don't load Compat in an incompatible Emacs
version.
---
NEWS.org | 2 ++
compat-macs.el | 4 +++-
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/NEWS.org b/NEWS.org
index 66e0bd5fab..51912c1e5a 100644
--- a/NEWS.org
+++ b/NEWS.org
@@ -7,6 +7,8 @@
compatibility aliases, functions, macros and variables are installed.
- Remove deprecated, prefixed compatibility functions.
- Remove deprecated features ~compat-help~, ~compat-font-lock~ and ~compat-24~.
+- Compat will check that the Emacs version which was used to compile Compat
+ equals the Emacs version at runtime.
* Release of "Compat" Version 29.1.0.1
diff --git a/compat-macs.el b/compat-macs.el
index 4c9eda4f74..0d9a8b4f92 100644
--- a/compat-macs.el
+++ b/compat-macs.el
@@ -31,7 +31,9 @@
(defmacro compat-declare-version (version)
"Set the Emacs version that is currently being handled to VERSION."
(setq compat--current-version version)
- nil)
+ `(unless (equal emacs-version ,emacs-version)
+ (error ,(format "Compat was compiled with Emacs %s, you are running %%s"
emacs-version)
+ emacs-version)))
(defun compat--format-docstring (type name docstring)
"Format DOCSTRING for NAME of TYPE.
