Update patch

Author: xylar

recipe/0001-win-unvendor-igraph.patch

@@ -1,7 +1,7 @@
 diff -ruN python-igraph-0.11.9/setup.py python-igraph-0.11.9-patch/setup.py
 --- python-igraph-0.11.9/setup.py	2025-06-11 02:02:53.000000000 +0200
-+++ python-igraph-0.11.9-patch/setup.py	2025-10-13 15:31:02.911638088 +0200
-@@ -742,6 +742,21 @@
++++ python-igraph-0.11.9-patch/setup.py	2025-10-13 16:27:29.638189284 +0200
+@@ -742,6 +742,38 @@
          self.libraries = [opt[2:] for opt in opts if opt.startswith("-l")]
          self.library_dirs = [opt[2:] for opt in opts if opt.startswith("-L")]
          self.include_dirs = [opt[2:] for opt in opts if opt.startswith("-I")]
@@ -11,15 +11,32 @@ diff -ruN python-igraph-0.11.9/setup.py python-igraph-0.11.9-patch/setup.py
 +        # pkg-config emits xml2, lzma, iconv (and sometimes z for zlib).
 +        # Remap these to the expected names and drop unsupported ones.
 +        if building_on_windows_msvc():
++            # Remap common library names; handle lzma specially
++            # based on availability.
 +            remap = {
 +                "xml2": "libxml2",
-+                "lzma": "liblzma",
 +                "iconv": "libiconv",
 +                "z": "zlib",
 +            }
-+            self.libraries = [remap.get(lib, lib) for lib in self.libraries]
++            libs = [remap.get(lib, lib) for lib in self.libraries]
++
++            # Prefer liblzma on Windows if the import library exists;
++            # otherwise keep lzma
++            try:
++                use_liblzma = any(
++                    os.path.isfile(os.path.join(d, "liblzma.lib"))
++                    for d in self.library_dirs
++                )
++            except Exception:
++                use_liblzma = False
++
++            if use_liblzma:
++                libs = ["liblzma" if lib == "lzma" else lib for lib in libs]
++
 +            # Remove libraries not meaningful for MSVC builds if present
-+            self.libraries = [lib for lib in self.libraries if lib not in ("pthread", "gomp")]
++            self.libraries = [
++                lib for lib in libs if lib not in ("pthread", "gomp")
++            ]
          return True
 
      def print_build_info(self) -> None: