main/pgpool: build PostgreSQL extentions

main/pgpool/APKBUILD

@@ -3,7 +3,7 @@
 pkgname=pgpool
 pkgver=4.5.2
 _pkgver="${pkgver//./_}"
-pkgrel=0
+pkgrel=1
 pkgdesc="A connection pooling/replication server for PostgreSQL"
 url="https://www.pgpool.net/"
 arch="all"
@@ -17,6 +17,7 @@ makedepends="
 	libtool
 	linux-headers
 	openssl-dev
+	postgresql-dev
 	"
 pkgusers="postgres"
 pkggroups="postgres"
@@ -51,6 +52,7 @@ build() {
 		--with-openssl \
 		--disable-rpath
 	make -j1
+	make PG_CONFIG=/usr/bin/pg_config -C "$builddir"/src/sql
 }
 
 check() {
@@ -60,6 +62,8 @@ check() {
 package() {
 	make DESTDIR="$pkgdir" install
 
+	make DESTDIR="${pkgdir}/" PG_CONFIG=/usr/bin/pg_config -C "$builddir"/src/sql install
+
 	touch "$pkgdir"/etc/$pkgname/pool_passwd
 
 	install -m755 -D "$srcdir"/$pkgname.initd "$pkgdir"/etc/init.d/$pkgname