fix: build error assign const _xmlError value to _xmlError

(cherry picked from commit d677112922552b30802a93055df2fece2f048846)

R-xml2.spec

@@ -8,7 +8,7 @@
 
 Name:             R-%{packname}
 Version:          1.3.2
-Release:          1
+Release:          2
 Summary:          Parse XML
 
 License:          GPLv2+
@@ -28,6 +28,7 @@ BuildRequires:    R-httr
 BuildRequires:    R-knitr
 BuildRequires:    R-rmarkdown
 %endif
+Patch0:		fix-build-error-assign-const-_xmlError-value-to-_xml.patch
 
 %description
 Work with XML files using a simple, consistent interface. Built on top of
@@ -44,6 +45,7 @@ Development files for %{name}.
 
 %prep
 %setup -q -c -n %{packname}
+%patch0 -p1
 sed -i 's/covr, //g' %{packname}/DESCRIPTION
 
 
@@ -85,5 +87,8 @@ _R_CHECK_FORCE_SUGGESTS_=0 %{_bindir}/R CMD check %{packname} --ignore-vignettes
 
 
 %changelog
+* Wed Apr 17 2024 zhangxianting <zhangxianting@uniontech.com> - 1.3.2-2
+- fix: build error assign const _xmlError value to _xmlError
+
 * Wed Jun 15 2022 misaka00251 <misaka00251@misakanet.cn> - 1.3.2-1
 - Init package (Thanks to fedora team)

fix-build-error-assign-const-_xmlError-value-to-_xml.patch

@@ -0,0 +1,39 @@
+From fc0c89940e80ac52bbc9d3f5cdbb72c94bc25ad2 Mon Sep 17 00:00:00 2001
+From: zhangxianting <zhangxianting@uniontech.com>
+Date: Thu, 11 Apr 2024 02:00:53 +0800
+Subject: [PATCH] fix build error :assign const _xmlError * value to _xmlError
+
+---
+ xml2/src/xml2_init.cpp   | 2 +-
+ xml2/src/xml2_schema.cpp | 2 +-
+ 2 files changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/xml2/src/xml2_init.cpp b/xml2/src/xml2_init.cpp
+index b89c64a..0ff2782 100644
+--- a/xml2/src/xml2_init.cpp
++++ b/xml2/src/xml2_init.cpp
+@@ -43,7 +43,7 @@ extern "C" SEXP init_libxml2() {
+   LIBXML_TEST_VERSION
+ 
+   xmlInitParser();
+-  xmlSetStructuredErrorFunc(NULL, handleStructuredError);
++  xmlSetStructuredErrorFunc(NULL, (xmlStructuredErrorFunc)handleStructuredError);
+   xmlSetGenericErrorFunc(NULL, handleGenericError);
+ 
+   return R_NilValue;
+diff --git a/xml2/src/xml2_schema.cpp b/xml2/src/xml2_schema.cpp
+index dfe37e5..fe6fa9a 100644
+--- a/xml2/src/xml2_schema.cpp
++++ b/xml2/src/xml2_schema.cpp
+@@ -6,7 +6,7 @@
+ #include <string>
+ #include "xml2_utils.h"
+ 
+-void handleSchemaError(void* userData, xmlError* error) {
++void handleSchemaError(void* userData, const xmlError* error) {
+   std::vector<std::string> * vec = (std::vector<std::string> *) userData;
+   std::string message = std::string(error->message);
+   message.resize(message.size() - 1);
+-- 
+2.33.0
+