system/abuild: support dev and symbols metapackages

system/abuild/APKBUILD

 # Maintainer: A. Wilcox <awilfox@adelielinux.org>
 pkgname=abuild
 pkgver=3.3.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Script to build APK packages"
 url="https://code.foxkit.us/adelie/abuild"
 arch="all"
+options="suid !check"
 license="GPL-2.0-only"
 depends="fakeroot sudo pax-utils openssl apk-tools>=2.0.7-r1 libc-utils
 	attr libarchive-tools pkgconf patch lzip"
@@ -16,10 +17,10 @@ makedepends_host="openssl-dev zlib-dev"
 makedepends="$makedepends_host $makedepends_build"
 install="$pkgname.pre-install $pkgname.pre-upgrade"
 subpackages="abuild-rootbld:_rootbld:noarch $pkgname-doc"
-options="suid !check"
 pkggroups="abuild"
 source="https://distfiles.adelielinux.org/source/abuild-$pkgver+adelie.tar.xz
 	keyhole.patch
+	auto-dev-symbols.patch
 	"
 builddir="$srcdir/$pkgname-$pkgver+adelie"
 
@@ -30,18 +31,14 @@ builddir="$srcdir/$pkgname-$pkgver+adelie"
 prepare() {
 	default_prepare
 
-	cd "$builddir"
 	sed -i -e "/^CHOST=/s/=.*/=$CHOST/" abuild.conf
 }
 
 build() {
-	cd "$builddir"
 	make VERSION="$pkgver-r$pkgrel"
 }
 
 package() {
-	cd "$builddir"
-
 	make install VERSION="$pkgver-r$pkgrel" DESTDIR="$pkgdir"
 
 	install -m 644 abuild.conf "$pkgdir"/etc/abuild.conf
@@ -60,4 +57,5 @@ _rootbld() {
 }
 
 sha512sums="c358f84d198527eeeac1a1aacc101174e18f9f34f692b12a4e4deb6b32d5f3ebdc703c90de6a6f81f195a81eebb90a11f9bfea13ef5db531d9b5d5ae6ecd6a66  abuild-3.3.1+adelie.tar.xz
-757d750d4b5c88bf00774b64f2b93a9461e03f284d9423dc58c581e1309f276628de3114fcb510afd7c3cd55ceb721c1278e42756977c97ebe2597207805318d  keyhole.patch"
+757d750d4b5c88bf00774b64f2b93a9461e03f284d9423dc58c581e1309f276628de3114fcb510afd7c3cd55ceb721c1278e42756977c97ebe2597207805318d  keyhole.patch
+2aa43539fc465f5abdc7c3d994363b80d1f7494c2d659093e5a2c45056e07617506ad8ea98f0e7d4ebe2596802b76605cd7c9f3ffc5a30c488c30bb36248e3d2  auto-dev-symbols.patch"

system/abuild/auto-dev-symbols.patch

+--- abuild-3.3.1+adelie/abuild.in.old	2019-03-07 00:48:00.110000000 +0000
++++ abuild-3.3.1+adelie/abuild.in	2019-12-20 23:44:19.956669659 +0000
+@@ -1651,6 +1651,7 @@
+ default_dbg() {
+ 	local f
+ 	pkgdesc="$pkgdesc (debug symbols)"
++	install_if="symbols $pkgname=$pkgver-r$pkgrel"
+ 
+ 	binfiles=$(scanelf -R "$pkgdir" | grep ET_DYN | sed "s:$pkgdir\/::g" | sed "s:ET_DYN ::g")
+ 	for f in $binfiles; do
+@@ -1681,6 +1682,7 @@
+ 	local i= j=
+ 	depends="$depends_dev"
+ 	pkgdesc="$pkgdesc (development files)"
++	install_if="dev $pkgname=$pkgver-r$pkgrel"
+ 
+ 	cd "$pkgdir" || return 0
+ 	local libdirs=usr/