From a77f4fb279b96f2707b475531b60ca36417bde69 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 11 Nov 2025 13:03:32 +0100
Subject: [PATCH] gnu: Add libxml2-with-zlib.

* gnu/packages/xml.scm (libxml2-with-zlib): New variable.

Change-Id: I2cc59d8f0758b4caf6f35dedabc9ee66f41ca11c
---
 gnu/packages/xml.scm | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/gnu/packages/xml.scm b/gnu/packages/xml.scm
index 4315389e2f4ce12f01a2aa0d29a6816303497def..f5552c1352994d7a11aeba39163bbe00440afdae 100644
--- a/gnu/packages/xml.scm
+++ b/gnu/packages/xml.scm
@@ -283,6 +283,18 @@ project (but it is usable outside of the Gnome platform).")
                 (base32
                  "17w0a622466k2hi5nln276la6rzfr9xaip3lqj71hmyvxyhmf0bq")))))))
 
+;; We need this for r-xml, which claims to support parsing gzipped XML files.
+;; This depends on the zlib feature, which is deprecated and will be removed
+;; in future releases of libxml2.
+(define-public libxml2-with-zlib
+  (hidden-package
+   (package
+     (inherit libxml2)
+     (arguments
+      (substitute-keyword-arguments (package-arguments libxml2)
+        ((#:configure-flags flags #~'())
+         #~(cons "--with-zlib" #$flags)))))))
+
 (define-deprecated-package python-libxml2
   libxml2)