ppl: make this build again natively.

srcpkgs/ppl/template

@@ -4,6 +4,7 @@ version=1.0
 revision=2
 build_style=gnu-configure
 configure_args="--enable-interfaces=c,cxx"
+hostmakedepends="libtool automake"
 makedepends="gmp-devel>=5.1.1"
 short_desc="The Parma Polyhedra Library"
 homepage="http://bugseng.com/products/ppl"
@@ -14,12 +15,9 @@ checksum=fd346687482ad51c1e98eb260bd61dd5a35a0cff5f580404380c88b0089a71b4
 
 disable_debug=yes
 
-if [ "$CROSS_BUILD" ]; then
-	hostmakedepends="libtool automake"
-	pre_configure() {
-		autoreconf -fi
-	}
-fi
+pre_configure() {
+	autoreconf -fi
+}
 
 post_install() {
 	rm -rf ${DESTDIR}/usr/share/doc