https://bugs.gentoo.org/917537
https://github.com/indexdata/yaz/issues/102
https://github.com/indexdata/yaz/pull/103

From b10643c42ea64b1ee09fe53aec2490129f903bcb Mon Sep 17 00:00:00 2001
From: Mamoru TASAKA <mtasaka@fedoraproject.org>
Date: Tue, 21 Nov 2023 23:39:48 +0900
Subject: [PATCH] FIX: fix build error with libxml2 2.12.0

libxml2 2.12.0 changed which header file to define functions
and header inclusion. Due to this refactoring, some yaz source
files need additional inclusion of libxml2 header file,
especially for libxml/parser.h .

Closes #102 .
--- a/client/client.c
+++ b/client/client.c
@@ -73,6 +73,10 @@
 #include <readline/history.h>
 #endif
 
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#endif
+
 
 #include "admin.h"
 #include "tabcomplete.h"
--- a/src/record_render.c
+++ b/src/record_render.c
@@ -23,6 +23,7 @@
 #include <yaz/base64.h>
 
 #if YAZ_HAVE_XML2
+#include <libxml/parser.h>
 #include <libxml/xpath.h>
 #include <libxml/xpathInternals.h>
 #endif
--- a/test/test_ccl.c
+++ b/test/test_ccl.c
@@ -11,6 +11,9 @@
 #include <yaz/log.h>
 #include <yaz/test.h>
 
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#endif
 
 static int tst_ccl_query(CCL_bibset bibset,
                          const char *query,
--- a/test/test_icu.c
+++ b/test/test_icu.c
@@ -28,6 +28,7 @@
 #endif
 
 #if YAZ_HAVE_XML2
+#include <libxml/parser.h>
 #include <libxml/xmlmemory.h>
 #endif
 
--- a/test/test_xml_include.c
+++ b/test/test_xml_include.c
@@ -12,6 +12,9 @@
 
 #include <yaz/xml_include.h>
 #include <yaz/test.h>
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#endif
 
 static void tst_xml_include1(void)
 {
--- a/util/cclsh.c
+++ b/util/cclsh.c
@@ -20,6 +20,9 @@
 #include <readline/history.h>
 #endif
 
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#endif
 
 static int debug = 0;
 static char *prog;
--- a/util/yaz-icu.c
+++ b/util/yaz-icu.c
@@ -17,6 +17,8 @@
 
 #if YAZ_HAVE_ICU
 
+#include <libxml/parser.h>
+
 #include <unicode/ucnv.h>
 #include <unicode/ustring.h>
 #include <unicode/ucol.h>
--- a/util/yaz-record-conv.c
+++ b/util/yaz-record-conv.c
@@ -13,6 +13,10 @@
 #include <yaz/record_conv.h>
 #include <yaz/backtrace.h>
 
+#if YAZ_HAVE_XML2
+#include <libxml/parser.h>
+#endif
+
 const char *prog = "yaz-record-conv";
 
 static void usage(void)