Obtained from:	https://github.com/lxml/lxml/commit/6a0f0f09e26d574e75848d0ca1ef00e97ee49658
		https://github.com/lxml/lxml/commit/99c81a6694f92dd09626f861f313505ab667b948

--- setupinfo.py.orig	2025-04-22 12:23:54 UTC
+++ setupinfo.py
@@ -176,34 +176,6 @@ def ext_modules(static_include_dirs, static_library_di
         from Cython.Build import cythonize
         result = cythonize(result, compiler_directives=cythonize_directives)
 
-        # Fix compiler warning due to missing pragma-push in Cython 3.0.9.
-        for ext in result:
-            for source_file in ext.sources:
-                if not source_file.endswith('.c'):
-                    continue
-                with open(source_file, 'rb') as f:
-                    lines = f.readlines()
-                if b'Generated by Cython 3.0.9' not in lines[0]:
-                    continue
-
-                modified = False
-                temp_file = source_file + ".tmp"
-                with open(temp_file, 'wb') as f:
-                    last_was_push = False
-                    for line in lines:
-                        if b'#pragma GCC diagnostic ignored "-Wincompatible-pointer-types"' in line and not last_was_push:
-                            f.write(b"#pragma GCC diagnostic push\n")
-                            modified = True
-                        last_was_push = b'#pragma GCC diagnostic push' in line
-                        f.write(line)
-
-                if modified:
-                    print("Fixed Cython 3.0.9 generated source file " + source_file)
-                    os.unlink(source_file)
-                    os.rename(temp_file, source_file)
-                else:
-                    os.unlink(temp_file)
-
     # for backwards compatibility reasons, provide "etree[_api].h" also as "lxml.etree[_api].h"
     for header_filename in HEADER_FILES:
         src_file = os.path.join(SOURCE_PATH, 'lxml', header_filename)
@@ -367,6 +339,8 @@ def define_macros():
         macros.append(('LXML_UNICODE_STRINGS', '1'))
     if OPTION_WITH_COVERAGE:
         macros.append(('CYTHON_TRACE_NOGIL', '1'))
+        # coverage.py does not support Cython together with sys.monitoring.
+        macros.append(('CYTHON_USE_SYS_MONITORING', '0'))
     if OPTION_BUILD_LIBXML2XSLT:
         macros.append(('LIBXML_STATIC', None))
         macros.append(('LIBXSLT_STATIC', None))