botan: enable cross builds

srcpkgs/botan/template

@@ -1,9 +1,8 @@
 # Template file for 'botan'
 pkgname=botan
 version=1.10.14
-revision=1
-nocross=yes
-wrksrc="Botan-${version}"
+revision=2
+wrksrc="${pkgname^}-${version}"
 build_style=gnu-makefile
 hostmakedepends="doxygen epstopdf python"
 makedepends="libressl-devel bzip2-devel zlib-devel"
@@ -15,9 +14,25 @@ distfiles="http://botan.randombit.net/releases/Botan-${version}.tgz"
 checksum=10ed0b394db165733ac9557d8656356b7e9744d38c61c2b9c44cba6d84ff4c1c
 
 do_configure() {
-	local _args
+	local _args _arch _cpu
+	case "$XBPS_TARGET_MACHINE" in
+	i686*)
+		_cpu="i686"; _arch="x86" ;;
+	x86_64*)
+		_cpu="x86_64"; _arch="x86" ;;
+	armv5*)
+		_cpu="armv5"; _arch="arm" ;;
+	armv6*)
+		_cpu="armv6"; _arch="arm" ;;
+	armv7*)
+		_cpu="armv7"; _arch="arm" ;;
+	aarch64*)
+		_cpu="armv8-a"; _arch="arm64" ;;
+	esac
 	_args="--prefix=/usr"
 	_args+=" --cc=gcc"
+	_args+=" --cc-bin=$CXX"
+	_args+=" --cpu=$_cpu"
 	_args+=" --with-doxygen"
 	_args+=" --with-openssl"
 	_args+=" --with-bzip2"