apr: use generic libatomic checks

srcpkgs/apr/template

@@ -24,13 +24,10 @@ if [ "$CROSS_BUILD" ]; then
 	configure_args+=" ac_cv_func_sem_open=sem_open"
 fi
 
-case "$XBPS_TARGET_MACHINE" in
-	ppc64*) ;;
-	ppc*|armv[56]*|mips*)
-		makedepends+=" libatomic-devel"
-		LDFLAGS="-latomic"
-		;;
-esac
+if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+	makedepends+=" libatomic-devel"
+	LDFLAGS="-latomic"
+fi
 
 pre_build() {
 	if [ "$CROSS_BUILD" ]; then