testing/elf_diff: build with gpep517

testing/elf_diff/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Marian Buschsieweke <marian.buschsieweke@posteo.net>
 pkgname=elf_diff
 pkgver=0.7.1
-pkgrel=2
+pkgrel=3
 pkgdesc="Tool to compare ELF binaries"
 url="https://github.com/noseglasses/elf_diff"
 # s390x: blocked by py3-progressbar2
@@ -20,6 +20,7 @@ depends="
 	py3-yaml
 	python3
 	"
+makedepends="py3-gpep517"
 checkdepends="py3-pytest"
 options="!check" # unit tests fail
 
@@ -31,15 +32,20 @@ source="
 	"
 
 build() {
-	python3 setup.py build
+	gpep517 build-wheel \
+		--wheel-dir .dist \
+		--output-fd 3 3>&1 >&2
 }
 
 check() {
-	PYTHONPATH="$PWD" pytest
+	python3 -m venv --clear --without-pip --system-site-packages .testenv
+	gpep517 install-wheel --destdir .testenv --prefix '' .dist/*.whl
+	.testenv/bin/python3 -m pytest
 }
 
 package() {
-	python3 setup.py install --skip-build --root="$pkgdir"
+	gpep517 install-wheel --destdir "$pkgdir" \
+		.dist/*.whl
 	install -Dm755 "$srcdir"/elf_diff "$pkgdir"/usr/bin/elf_diff
 }