https://bugs.gentoo.org/965006
https://github.com/rpm-software-management/rpm/commit/aadbe7d611149f583b8b23f1b58a6a0300c02c82

From: Panu Matilainen <pmatilai@redhat.com>
Date: Wed, 1 Oct 2025 12:45:40 +0300
Subject: [PATCH] Fix build regression on WITH_SEQUOIA=OFF

Commit c36c717f41683953b9c23e447a8df0d0ac7c845c neglected to add the
stub for non-sequoia builds.

Fixes: #3970
--- a/rpmio/rpmpgp_dummy.cc
+++ b/rpmio/rpmpgp_dummy.cc
@@ -121,3 +121,8 @@ rpmRC pgpPubkeyMerge(const uint8_t *pkts1, size_t pkts1len, const uint8_t *pkts2
 {
     return RPMRC_FAIL;
 }
+
+int pgpDigParamsSalt(pgpDigParams digp, const uint8_t **datap, size_t *lenp)
+{
+    return -1;
+}