ixion: optdepends on python

use pyd extension for python module

mingw-w64-ixion/PKGBUILD

@@ -4,7 +4,7 @@ _realname=ixion
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=0.19.0
-pkgrel=1
+pkgrel=2
 pkgdesc="A general purpose formula parser & interpreter. (mingw-w64)"
 arch=('any')
 mingw_arch=('ucrt64' 'clang64' 'clangarm64')
@@ -14,11 +14,12 @@ msys2_references=(
 )
 license=('spdx:MPL-2.0')
 depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
-         "${MINGW_PACKAGE_PREFIX}-boost"
-         "${MINGW_PACKAGE_PREFIX}-python")
+         "${MINGW_PACKAGE_PREFIX}-boost")
 makedepends=("${MINGW_PACKAGE_PREFIX}-cc"
              "${MINGW_PACKAGE_PREFIX}-autotools"
-             "${MINGW_PACKAGE_PREFIX}-mdds")
+             "${MINGW_PACKAGE_PREFIX}-mdds"
+             "${MINGW_PACKAGE_PREFIX}-python")
+optdepends=("${MINGW_PACKAGE_PREFIX}-python: Python bindings")
 source=("https://gitlab.com/ixion/ixion/-/archive/${pkgver}/${_realname}-${pkgver}.tar.bz2"
         "001-fix-build-on-mingw.patch")
 sha256sums=('c8b6315bae2d33a0e18b60004d625e4a5ea8a7326364f9f0b51cd6b49bdf93e8'
@@ -51,6 +52,8 @@ package() {
 
   DESTDIR="${pkgdir}" make install
 
+  # Use *.pyd extension for python module
+  mv "${pkgdir}${MINGW_PREFIX}"/lib/python3.11/site-packages/ixion.{dll,pyd}
   # remove unused import library
   rm -f "${pkgdir}${MINGW_PREFIX}"/lib/python3.11/site-packages/ixion.dll.a