sslh: unbreak build and cross compilation (close #2052).

srcpkgs/sslh/template

@@ -2,8 +2,9 @@
 pkgname=sslh
 version=1.17
 revision=1
-build_style=gnu-makefile
-makedepends="libconfig-devel libcap-devel perl"
+build_pie=yes
+hostmakedepends="perl"
+makedepends="libconfig-devel libcap-devel"
 short_desc="Applicative Protocol Multiplexer"
 maintainer="Markus Berger <pulux@pf4sh.de>"
 license="GPL-2"
@@ -11,14 +12,14 @@ homepage="http://www.rutschle.net/tech/sslh"
 distfiles="https://github.com/yrutschle/sslh/archive/v${version}.tar.gz"
 checksum=b557c3bf75289d203353c25d92e34549a22f64510c48f7748c1c027748d51ad1
 
-
-pre_build() {
+do_build() {
 	sed -i 's|^MAN=sslh.8.gz|MAN=sslh.8|g' Makefile
 	sed -i 's|sbin|bin|g' Makefile
 	sed -i 's|sslh.pod \| gzip -9 - > $(MAN)|sslh.pod > $(MAN)|g' Makefile
+	make CC=$CC USELIBCONFIG=1 USELIBCAP=1
 }
-
-post_install() {
+do_install() {
+	make DESTDIR=${DESTDIR} PREFIX=/usr install
 	vman sslh.8
 	vsv sslh
 	for f in *.cfg; do