--- a/PKGBUILD	2018-02-20 18:00:19.334381106 +0100
+++ b/PKGBUILD	2018-02-20 18:01:24.689054638 +0100
@@ -19,7 +19,7 @@ validpgpkeys=('343C2FF0FBEE5EC2EDBEF399F
 
 build() {
   cd $pkgname-$pkgver
-  ./configure --prefix=/usr \
+  ./configure --host=@CHOST@ --build=@BUILDHOST@ --prefix=/usr \
     --disable-static
   make
 }