Add patch for lxml 5.3.0

Author: msimacek

graalpython/lib-graalpython/patches/lxml/lxml-4.9.1.patch

@@ -20,18 +20,3 @@ index 6758914..288d09e 100644
  OPTION_WITH_CYTHON_GDB = has_option('cython-gdb')
  OPTION_WITH_REFNANNY = has_option('with-refnanny')
  OPTION_WITH_COVERAGE = has_option('with-coverage')
-diff --git a/src/lxml/etree.c b/src/lxml/etree.c
-index 28ad548..cb066dc 100644
---- a/src/lxml/etree.c
-+++ b/src/lxml/etree.c
-@@ -49931,6 +49931,10 @@ static void __pyx_f_4lxml_5etree__receiveGenericError(void *__pyx_v_c_log_handle
-  *                     c_text = c_str  # msg == "%s..."
-  */
-         __pyx_v_c_str = va_charptr(__pyx_v_args);
-+        /* XXX GraalVM change: Sulong doesn't support varargs in a native callback */
-+        if (__pyx_v_c_str == NULL) {
-+            __pyx_v_c_str = "<unknown>";
-+        }
- 
-         /* "src/lxml/xmlerror.pxi":724
-  *                 format_count += 1

graalpython/lib-graalpython/patches/lxml/lxml-5.3.0.patch

@@ -0,0 +1,24 @@
+diff --git a/pyproject.toml b/pyproject.toml
+index 2c463d7..31010c2 100644
+--- a/pyproject.toml
++++ b/pyproject.toml
+@@ -1,5 +1,6 @@
+ [build-system]
+ requires = ["Cython>=3.0.11", "setuptools", "wheel"]
++build-backend = "setuptools.build_meta:__legacy__"
+ 
+ [tool.cibuildwheel]
+ build-verbosity = 2
+diff --git a/setupinfo.py b/setupinfo.py
+index 97e3399..9079171 100644
+--- a/setupinfo.py
++++ b/setupinfo.py
+@@ -563,7 +563,7 @@ OPTION_WITH_UNICODE_STRINGS = has_option('with-unicode-strings')
+ OPTION_WITHOUT_ASSERT = has_option('without-assert')
+ OPTION_WITHOUT_THREADING = has_option('without-threading')
+ OPTION_WITHOUT_CYTHON = has_option('without-cython')
+-OPTION_WITH_CYTHON = has_option('with-cython')
++OPTION_WITH_CYTHON = True
+ OPTION_WITH_CYTHON_GDB = has_option('cython-gdb')
+ OPTION_WITH_REFNANNY = has_option('with-refnanny')
+ OPTION_WITH_COVERAGE = has_option('with-coverage')

graalpython/lib-graalpython/patches/lxml/metadata.toml

@@ -1,3 +1,8 @@
+[[rules]]
+version = '== 5.3.0'
+patch = 'lxml-5.3.0.patch'
+license = 'BSD-3-Clause'
+
 [[rules]]
 version = '== 4.9.1'
 patch = 'lxml-4.9.1.patch'