restore compatibility with rpm build w/o support for zstd

2 files changed, 4 insertions, 0 deletions

diff --git a/NEWS b/NEWS
index 4b87b00..6a33035 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,5 @@
+- restore compatibility with rpm build w/o support for zstd
+
 Version 5.23 - 23 December 2019
 
 - add support for synthesis compressed with zstd
diff --git a/URPM.xs b/URPM.xs
index 1131f1d..97fa811 100644
--- a/URPM.xs
+++ b/URPM.xs
@@ -2898,8 +2898,10 @@ Urpm_parse_synthesis__XS(urpm, filename, ...)
       case COMPRESSED_LZMA:
       case COMPRESSED_XZ:
         t = "r.xz"; break;
+#ifdef COMPRESSED_ZSTD
       case COMPRESSED_ZSTD:
         t = "r.zstd"; break;
+#endif
       case COMPRESSED_OTHER:
       default:
         t = "r.gzip"; break;