testing/qperf: modernize and add simple check

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

testing/qperf/APKBUILD

 # Maintainer: Matthieu Monnier <matthieu.monnier@enalean.com>
 pkgname=qperf
 pkgver=0.4.9
-pkgrel=0
+pkgrel=1
 pkgdesc="Measuring network performance"
 url="https://www.openfabrics.org"
 arch="all"
@@ -10,24 +10,27 @@ subpackages="$pkgname-doc"
 license="GPL-2.0"
 source="https://www.openfabrics.org/downloads/qperf/$pkgname-$pkgver.tar.gz"
 
-builddir="$srcdir"/"$pkgname"-"$pkgver"
+builddir="$srcdir/$pkgname-$pkgver"
 
 build() {
-    cd "$builddir"
-    ./configure \
-        --prefix=/usr \
-        --sysconfdir=/etc \
-        --mandir=/usr/share/man \
-        --infodir=/usr/share/info \
-        --localstatedir=/var || return 1
-    make || return 1
+	cd "$builddir"
+	./configure \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--infodir=/usr/share/info \
+		--localstatedir=/var
+	make
+}
+
+check() {
+	cd "$builddir"
+	./src/qperf --help >> /dev/null
 }
 
 package() {
-    cd "$builddir"
-    make DESTDIR="$pkgdir" install || return 1
+	cd "$builddir"
+	make DESTDIR="$pkgdir" install
 }
 
-md5sums="a9eea1953ee5379e57ae5fd7b09fecf2  qperf-0.4.9.tar.gz"
-sha256sums="2300e75edffe95d4dfbe576eb5c2f0d0da3142b5e4a96fcd01b535d50a48f07c  qperf-0.4.9.tar.gz"
 sha512sums="da22c76686b62262381f774fa107d0ec3b0695128628c55ed945c53a20f0854411e6d2b15d431a98177ce5be8332d2a1e54429d3d81c4c22f160d07e992aab3c  qperf-0.4.9.tar.gz"