[Buildroot] [PATCH 1/1] package/libiio: fix build with libxml2 >= 2.12

* [Buildroot] [PATCH 1/1] package/libiio: fix build with libxml2 >= 2.12
@ 2023-12-29 22:04 Fabrice Fontaine
  2024-01-01 20:36 ` Thomas Petazzoni via buildroot
  0 siblings, 1 reply; 2+ messages in thread
From: Fabrice Fontaine @ 2023-12-29 22:04 UTC (permalink / raw)
  To: buildroot; +Cc: Paul Cercueil, Fabrice Fontaine

Fix the following build failure raised since bump of libxml2 to version
2.12.1 in commit d8ac52108c12f0fcc9641b63e7922009270f96c6:

/home/buildroot/autobuild/instance-1/output-1/build/libiio-0.25/xml.c: In function 'xml_create_context':
/home/buildroot/autobuild/instance-1/output-1/build/libiio-0.25/xml.c:481:15: warning: implicit declaration of function 'xmlReadFile' [-Wimplicit-function-declaration]
  481 |         doc = xmlReadFile(xml_file, NULL, XML_PARSE_DTDVALID);
      |               ^~~~~~~~~~~
/home/buildroot/autobuild/instance-1/output-1/build/libiio-0.25/xml.c:481:43: error: 'XML_PARSE_DTDVALID' undeclared (first use in this function); did you mean 'XML_DOC_DTDVALID'?
  481 |         doc = xmlReadFile(xml_file, NULL, XML_PARSE_DTDVALID);
      |                                           ^~~~~~~~~~~~~~~~~~
      |                                           XML_DOC_DTDVALID

Fixes:
 - http://autobuild.buildroot.org/results/f97c2db33e07a02699e4650caf97de5f3c475eb8

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
---
 ...l-Fix-compatibility-with-libxml-2-12.patch | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 package/libiio/0001-xml-Fix-compatibility-with-libxml-2-12.patch

diff --git a/package/libiio/0001-xml-Fix-compatibility-with-libxml-2-12.patch b/package/libiio/0001-xml-Fix-compatibility-with-libxml-2-12.patch
new file mode 100644
index 0000000000..56c272aad3
--- /dev/null
+++ b/package/libiio/0001-xml-Fix-compatibility-with-libxml-2-12.patch
@@ -0,0 +1,33 @@
+From b1170cacff24cdfd3858edc2285c51cadef11488 Mon Sep 17 00:00:00 2001
+From: Jan Tojnar <jtojnar@gmail.com>
+Date: Sun, 10 Dec 2023 21:52:05 +0100
+Subject: [PATCH] xml: Fix compatibility with libxml 2.12
+
+libxml 2.12.0 reorganized includes, resulting in the following no longer being in scope:
+
+- XML_PARSE_DTDVALID
+- xmlReadMemory
+- xmlReadFile
+- xmlCleanupParser
+
+Signed-off-by: Jan Tojnar <jtojnar@gmail.com>
+(cherry picked from commit bb688d04294dda45e68dfaf13e3bc1187841e52a)
+
+Upstream: https://github.com/analogdevicesinc/libiio/commit/b1170cacff24cdfd3858edc2285c51cadef11488
+Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
+---
+ xml.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/xml.c b/xml.c
+index 33f026103..3eaed92b3 100644
+--- a/xml.c
++++ b/xml.c
+@@ -10,6 +10,7 @@
+ #include "iio-private.h"
+ 
+ #include <errno.h>
++#include <libxml/parser.h>
+ #include <libxml/tree.h>
+ #include <string.h>
+ 
-- 
2.43.0

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