orcus: fix building on clangarm64

mingw-w64-orcus/PKGBUILD

@@ -4,7 +4,7 @@ _realname=orcus
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=0.19.2
-pkgrel=1
+pkgrel=2
 pkgdesc="Standalone file import filter library for spreadsheet documents (ODS, XLSX and CSV). (mingw-w64)"
 arch=('any')
 mingw_arch=('ucrt64' 'clang64' 'clangarm64')
@@ -50,9 +50,12 @@ build() {
     _extra_config+=("--disable-spreadsheet-model" "--disable-python")
   fi
 
+  if [[ ${CARCH} == x86_64 ]]; then
+    _extra_config+=("--with-cpu-features")
+  fi
+
   ../${_realname}-${pkgver}/configure \
     --prefix=${MINGW_PREFIX} \
-    --with-cpu-features \
     --without-benchmark \
     "${_extra_config[@]}"