jack_capture: use generic libatomic checks

srcpkgs/jack_capture/template

@@ -13,12 +13,10 @@ distfiles="https://github.com/kmatheussen/${pkgname}/archive/${version}.tar.gz"
 checksum=21afb0257ed7437708cc9e5bec2f6299599461b7eec8bf66967d8ecadb0751de
 CFLAGS+=" -D__USE_GNU"
 
-case "$XBPS_TARGET_MACHINE" in
-	armv6l*|ppc|ppc-musl)
-		makedepends+=" libatomic-devel"
-		LDFLAGS+=" -latomic"
-		;;
-esac
+if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+	makedepends+=" libatomic-devel"
+	LDFLAGS+=" -latomic"
+fi
 
 pre_build() {
 	sed -i -e "s/^CC=gcc/CC=$CC/" -e "s/^CPP=g++/CPP=$CXX/" Makefile