[packages/xalan-c] add gcc 15 fixes from debian

[atler]

commit 8871c0d5251bbfbdf714b1df34fb65e5e7be9958
Author: Jan Palus <atler at pld-linux.org>
Date:   Sun Jan 25 02:16:50 2026 +0100

    add gcc 15 fixes from debian

 gcc15.patch  | 20 ++++++++++++++++++++
 xalan-c.spec |  2 ++
 2 files changed, 22 insertions(+)
---
diff --git a/xalan-c.spec b/xalan-c.spec
index 53358ad..841e756 100644
--- a/xalan-c.spec
+++ b/xalan-c.spec
@@ -8,6 +8,7 @@ Group:		Applications/Publishing/XML
 Source0:	https://downloads.apache.org/xalan/xalan-c/sources/xalan_c-%{version}.tar.gz
 # Source0-md5:	fa4fd34a03ae389b26166c5455b90768
 Patch0:		cxx17.patch
+Patch1:		gcc15.patch
 URL:		https://xalan.apache.org/
 BuildRequires:	cmake >= 3.2
 BuildRequires:	doxygen
@@ -74,6 +75,7 @@ Przykłady dla xalan-c.
 %prep
 %setup -q -n xalan_c-%{version}
 %patch -P0 -p1
+%patch -P1 -p1
 
 %build
 install -d build
diff --git a/gcc15.patch b/gcc15.patch
new file mode 100644
index 0000000..0d954b0
--- /dev/null
+++ b/gcc15.patch
@@ -0,0 +1,20 @@
+Index: xalan/src/xalanc/XMLSupport/XalanOtherEncodingWriter.hpp
+===================================================================
+--- xalan.orig/src/xalanc/XMLSupport/XalanOtherEncodingWriter.hpp	2025-10-22 08:05:45.403631397 -0400
++++ xalan/src/xalanc/XMLSupport/XalanOtherEncodingWriter.hpp	2025-10-22 08:18:14.821542155 -0400
+@@ -320,13 +320,13 @@
+                 {
+                     XalanUnicodeChar    value = decodeUTF16SurrogatePair(ch, theChars[i+1],  getMemoryManager());
+ 
+-                    if (this->m_isPresentable(value))
++                    if (m_predicate(value))
+                     {
+                         write(value);
+                     }
+                     else
+                     {
+-                        this->writeNumberedEntityReference(value);
++                        writeNumericCharacterReference(value);
+                     }
+ 
+                     ++i;
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/xalan-c.git/commitdiff/8871c0d5251bbfbdf714b1df34fb65e5e7be9958