testing/obs-studio: modernize and fix lib install location

testing/obs-studio/APKBUILD

@@ -2,7 +2,7 @@
 # Maintainer: Francesco Colista <fcolista@alpinelinux.org>
 pkgname=obs-studio
 pkgver=25.0.8
-pkgrel=0
+pkgrel=1
 pkgdesc="Free and open source software for live streaming and screen recording"
 url="https://obsproject.com/"
 arch="x86 x86_64"
@@ -14,26 +14,19 @@ makedepends="cmake ffmpeg-dev libxinerama-dev
 	pulseaudio-dev jack-dev vlc-dev alsa-lib-dev fdk-aac-dev speexdsp-dev
 	v4l-utils-dev jansson-dev eudev-dev swig mbedtls-dev python3-dev"
 subpackages="$pkgname-dev"
-source="$pkgname-$pkgver.tar.gz::https://github.com/jp9000/$pkgname/archive/$pkgver.tar.gz"
-builddir="$srcdir/$pkgname-$pkgver"
-
-prepare() {
-	default_prepare
-	cd "$builddir"
-	mkdir build
-}
+source="https://github.com/obsproject/obs-studio/archive/$pkgver/obs-studio-$pkgver.tar.gz"
 
 build() {
-	cd "$builddir"/build
-	cmake \
-		-DUNIX_STRUCTURE=1 \
-		-DCMAKE_INSTALL_PREFIX=/usr ..
-	make
+	cmake -B build \
+		-DCMAKE_BUILD_TYPE=None \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_INSTALL_LIBDIR=lib \
+		-DUNIX_STRUCTURE=1
+	make -C build
 }
 
 package() {
-	cd "$builddir"/build
-	make DESTDIR="$pkgdir" install
+	DESTDIR="$pkgdir" make -C build install
 }
 
 sha512sums="a97c03dc218a4e03e48f6a7dc82b4a59ebeee2039f17be66bb847681ce9ff3d25e6e015be4af78fe44739f6fad5089b6e683d7657c2e4fde8e547df9a2594a08  obs-studio-25.0.8.tar.gz"