Lo! Consider applying below patch for rawhide and the stabilization
branch. It fixes a build problem in mock on %{ix86} x86_64 when setting
%signmodules to 0 in kernel.spec. The build fails because Linux since
4.3-rc1 needs openssl and openssl-devel when CONFIG_MODULE_SIG is set,
which is the done by config-x86-generic in Fedora. CU, thl
diff --git a/kernel.spec b/kernel.spec
index 33d7e47..873167c 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -388,8 +388,12 @@ BuildRequires: rpm-build, elfutils
%define debuginfo_args --strict-build-id -r
%endif
-%if %{signmodules}
+%ifarch %{ix86} x86_64
+# MODULE_SIG is enabled in config-x86-generic and needs these:
BuildRequires: openssl openssl-devel
+%endif
+
+%if %{signmodules}
BuildRequires: pesign >= 0.10-4
%endif