community/iouyap: add simple check and modernize

Add a simple test as upstream doesn't provide a test suite.

community/iouyap/APKBUILD

@@ -2,32 +2,33 @@
 # Maintainer: Francesco Colista <fcolista@alpinelinux.org>
 pkgname=iouyap
 pkgver=0.97
-pkgrel=0
+pkgrel=1
 pkgdesc="Bridge IOU to UDP, TAP and Ethernet."
 url="https://github.com/GNS3/iouyap"
 arch="all"
 license="GPL3"
 makedepends="$depends_dev linux-headers bison flex bsd-compat-headers"
-options="!check"
 subpackages="$pkgname-doc"
 source="$pkgname-$pkgver.tar.gz::https://github.com/GNS3/$pkgname/archive/v$pkgver.tar.gz
 	musl-fixes.patch"
-builddir="$srcdir"/$pkgname-$pkgver
+
+builddir="$srcdir/$pkgname-$pkgver"
 
 build() {
 	cd "$builddir"
 	make
 }
 
+check() {
+	cd "$builddir"
+	./iouyap -help > /dev/null
+}
+
 package() {
 	cd "$builddir"
 	install -Dm755 $pkgname "$pkgdir"/usr/bin/$pkgname
 	install -Dm644 LICENSE "$pkgdir"/usr/share/licenses/$pkgname/LICENSE
 }
 
-md5sums="d874e11fd32c3348c1d5f92d60274f72  iouyap-0.97.tar.gz
-22b79954e6520b01c2b3ed77d41ea49d  musl-fixes.patch"
-sha256sums="181850a4ce73a4d4035f9eb39b2656ae31d360f18b577ee65f5149132da3eccf  iouyap-0.97.tar.gz
-4849669e70974e563ca728c047dc560ea50696c1645a8139e5bc5d3192ef2b21  musl-fixes.patch"
 sha512sums="c6b3779bb1a0a004085796bb72cc9824ef3ef04db70cef13a12a2f33676fca11d721c1dcd81a4caff67ce56511624f293c89579705434a24332f672a8dfa2d33  iouyap-0.97.tar.gz
 311a7e330baa5cb762390e941d4f7c48385feef0e6cddb0252307a16fa69d5515408dcfe2b4f9a8523a05b5c9edd79df4509d51a8ac0163959a6a4f9e61f6e4a  musl-fixes.patch"