libogre: use generic libatomic checks

srcpkgs/libogre/template

@@ -24,18 +24,12 @@ make_build_target="all OgreDoc"
 wrksrc=ogre-$version
 
 CXXFLAGS="-fcheck-new -fno-delete-null-pointer-checks -fno-lifetime-dse"
-case "$XBPS_TARGET_MACHINE" in
-	ppc64*) ;;
-	armv[56]*|ppc*) makedepends+=" libatomic-devel" ;;
-esac
 
 pre_configure() {
-	case "$XBPS_TARGET_MACHINE" in
-		ppc64*) ;;
-		armv[56]*|ppc*) find -name CMakeLists.txt -exec sed -i "{}" \
+	if [ "$XBPS_TARGET_NO_ATOMIC8" ]; then
+		find -name CMakeLists.txt -exec sed -i "{}" \
 			-e "/target_link_libraries/s/)/ atomic)/" \;
-			;;
-	esac
+	fi
 }
 
 post_install() {