nlopt: Port to Python 3

mingw-w64-nlopt/PKGBUILD

@@ -4,12 +4,12 @@ _realname=nlopt
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=2.6.1
-pkgrel=1
+pkgrel=2
 pkgdesc="A library for nonlinear optimization (mingw-w64)"
 arch=('any')
 makedepends=("${MINGW_PACKAGE_PREFIX}-cmake"
-             "${MINGW_PACKAGE_PREFIX}-python2"
-             "${MINGW_PACKAGE_PREFIX}-python2-numpy"
+             "${MINGW_PACKAGE_PREFIX}-python3"
+             "${MINGW_PACKAGE_PREFIX}-python3-numpy"
              "${MINGW_PACKAGE_PREFIX}-swig")
 url='https://nlopt.readthedocs.io/en/latest/'
 license=('LGPLv2.1+')
@@ -31,6 +31,7 @@ build() {
   "${MINGW_PREFIX}/bin/cmake.exe" -Wno-dev \
     -G"MSYS Makefiles" \
     -DCMAKE_INSTALL_PREFIX="${MINGW_PREFIX}" \
+    -DPYTHON_EXECUTABLE="${MINGW_PREFIX}/bin/python3" \
     -DBUILD_SHARED_LIBS=ON \
     -DNLOPT_PYTHON=ON \
     -DNLOPT_SWIG=ON \