diff --git a/llvm.changes b/llvm.changes
index 8a1ce63..2d3f6c2 100644
--- a/llvm.changes
+++ b/llvm.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Mar 19 12:38:56 UTC 2018 - msrb@suse.com
+
+- Build lldb and python3-lldb metapackages if and only if the real
+  packages are built. Fixes build on Leap 42.3.
+
 -------------------------------------------------------------------
 Wed Jan 24 13:07:14 UTC 2018 - msrb@suse.com
 
diff --git a/llvm.spec b/llvm.spec
index 445bfaf..7302972 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -16,6 +16,13 @@
 #
 
 
+%ifarch x86_64
+%define has_lldb 1
+%if 0%{?suse_version} > 1320 # python3-lldb%{_sonum} is only built with these distributions (see llvm%{_sonum} package)
+%define has_lldb_python 1
+%endif
+%endif
+
 %define _sonum  5
 Name:           llvm
 Version:        5.0.1
@@ -37,9 +44,11 @@ BuildRequires:  llvm%{_sonum}-devel = %{version}
 BuildRequires:  llvm%{_sonum}-emacs-plugins = %{version}
 BuildRequires:  llvm%{_sonum}-gold = %{version}
 BuildRequires:  llvm%{_sonum}-vim-plugins = %{version}
-%ifarch arm x86_64
+%if 0%{?has_lldb}
 BuildRequires:  lldb%{_sonum} = %{version}
 BuildRequires:  lldb%{_sonum}-devel = %{version}
+%endif
+%if 0%{?has_lldb_python}
 BuildRequires:  python3-lldb%{_sonum} = %{version}
 %endif
 Requires:       llvm%{_sonum} = %{version}
@@ -274,7 +283,7 @@ echo "This is a dummy package to provide a dependency on the system compiler." >
 %defattr(-,root,root,-)
 %doc README
 
-%ifarch arm x86_64
+%if 0%{?has_lldb}
 
 %files -n lldb
 %defattr(-,root,root)
@@ -284,6 +293,10 @@ echo "This is a dummy package to provide a dependency on the system compiler." >
 %defattr(-,root,root)
 %doc README
 
+%endif
+
+%if 0%{?has_lldb_python}
+
 %files -n python3-lldb
 %defattr(-,root,root)
 %doc README