--- a/PKGBUILD	2018-02-20 18:30:31.429339479 +0100
+++ b/PKGBUILD	2018-02-20 18:30:48.706526646 +0100
@@ -23,7 +23,7 @@ validpgpkeys=('EAF669B31E31E1DECBD11513D
 
 build() {
   cd $pkgname-$pkgver
-  ./configure --prefix=/usr
+  ./configure --host=@CHOST@ --build=@BUILDHOST@ --prefix=/usr
   make
 }