The package rpms/xmobar.git has added or updated architecture specific content in its
spec file (ExclusiveArch/ExcludeArch or %ifarch/%ifnarch) in commit(s):
https://src.fedoraproject.org/cgit/rpms/xmobar.git/commit/?id=df84748ec5c....
Change:
+%ifarch s390x
Thanks.
Full change:
============
commit df84748ec5cf2a28bbb167205611b5704086d178
Author: Jens Petersen <petersen(a)redhat.com>
Date: Mon Mar 4 13:46:32 2019 +0800
-O0 for unregisterized ghc bug
https://ghc.haskell.org/trac/ghc/ticket/15853
diff --git a/xmobar.spec b/xmobar.spec
index 819d8dd..f5df262 100644
--- a/xmobar.spec
+++ b/xmobar.spec
@@ -115,6 +115,10 @@ This package provides the Haskell %{name} library development files.
%build
+#
https://ghc.haskell.org/trac/ghc/ticket/15853
+%ifarch s390x
+cabal_configure_extra_options="--ghc-option=-O0"
+%endif
# Begin cabal-rpm build:
%ghc_libs_build %{subpkgs}
%ghc_lib_build