main/libsigc++: modernize APKBUILD and add check

main/libsigc++/APKBUILD

@@ -1,12 +1,11 @@
 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libsigc++
 pkgver=2.10.0
-pkgrel=0
+pkgrel=1
 pkgdesc="type-safe Signal Framework for C++"
 url="http://libsigc.sourceforge.net/"
 arch="all"
 license="LGPL"
-depends=
 makedepends="m4 perl tar"
 subpackages="$pkgname-dev $pkgname-doc"
 source="http://ftp.gnome.org/pub/GNOME/sources/$pkgname/${pkgver%.*}/$pkgname-$pkgver.tar.xz"
@@ -17,23 +16,25 @@ build() {
 	./configure \
 		--build=$CBUILD \
 		--host=$CHOST \
-		--prefix=/usr \
-		|| return 1
-	make || return 1
+		--prefix=/usr
+	make
+}
+
+check() {
+	cd "$builddir"
+	make check
 }
 
 package() {
 	cd "$builddir"
-	make DESTDIR="$pkgdir" install || return 1
+	make DESTDIR="$pkgdir" install
 }
 
 doc() {
-	default_doc || return 1
+	default_doc
 
-	mv "$pkgdir"/usr/share/devhelp "$subpkgdir"/usr/share || return 1
+	mv "$pkgdir"/usr/share/devhelp "$subpkgdir"/usr/share
 	rmdir "$pkgdir"/usr/share
 }
 
-md5sums="70bcbde2c900e4925d6ef4bf50954195  libsigc++-2.10.0.tar.xz"
-sha256sums="f843d6346260bfcb4426259e314512b99e296e8ca241d771d21ac64f28298d81  libsigc++-2.10.0.tar.xz"
 sha512sums="5b96df21d6bd6ba41520c7219e77695a86aabc60b7259262c7a9f4b8475ce0e2fd8dc37bcf7c17e24e818ff28c262d682b964c83e215b51bdbe000f3f58794ae  libsigc++-2.10.0.tar.xz"