plplot: Define wxWidgets_CONFIG_EXECUTABLE

mingw-w64-plplot/PKGBUILD

@@ -12,7 +12,7 @@ _wx_basever=3.0
 pkgbase=mingw-w64-${_realname}
 pkgname="${MINGW_PACKAGE_PREFIX}-${_realname}"
 pkgver=5.15.0
-pkgrel=13
+pkgrel=14
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clang32')
 pkgdesc="Scientific plotting software (mingw-w64)"
@@ -112,6 +112,7 @@ build() {
     -DQHULL_LIBRARY_DIRS=${MINGW_PREFIX}/lib \
     -DQHULL_LIBRARIES=qhullstatic \
     -DGD_INCLUDE_DIR=${MINGW_PREFIX}/include \
+    -DwxWidgets_CONFIG_EXECUTABLE=${MINGW_PREFIX}/bin/wx-config-${_wx_basever} \
     -DDEFAULT_NO_BINDINGS=ON \
     -DENABLE_ada=OFF \
     -DENABLE_cxx=ON \