Make the ocaml-odoc dependency conditional.

ocaml-ppx-here.spec

@@ -2,6 +2,10 @@
 %global debug_package %{nil}
 %endif
 
+# Documentation adds a circular dependency, so by
+# default we build without.
+%bcond_with doc
+
 %global srcname ppx-here
 %global upname  ppx_here
 
@@ -17,7 +21,9 @@ Source0:        %{url}/archive/v%{version}/%{upname}-%{version}.tar.gz
 BuildRequires:  ocaml >= 4.04.2
 BuildRequires:  ocaml-base-devel >= 0.14
 BuildRequires:  ocaml-dune >= 2.0.0
+%if %{with doc}
 BuildRequires:  ocaml-odoc
+%endif
 BuildRequires:  ocaml-ppxlib-devel >= 0.11.0
 
 %description
@@ -38,13 +44,17 @@ files for developing applications that use %{name}.
 
 %build
 dune build %{?_smp_mflags}
+%if %{with doc}
 dune build %{?_smp_mflags} @doc
+%endif
 
 %install
 dune install --destdir=%{buildroot}
 
+%if %{with doc}
 # We do not want the dune markers
 find _build/default/_doc/_html -name .dune-keep -delete
+%endif
 
 # We do not want the ml files
 find %{buildroot}%{_libdir}/ocaml -name \*.ml -delete
@@ -84,7 +94,9 @@ dune runtest
 %endif
 
 %files devel
+%if %{with doc}
 %doc _build/default/_doc/_html/*
+%endif
 %{_libdir}/ocaml/%{upname}/dune-package
 %{_libdir}/ocaml/%{upname}/opam
 %ifarch %{ocaml_native_compiler}
@@ -105,6 +117,7 @@ dune runtest
 %changelog
 * Mon Mar  1 17:37:09 GMT 2021 Richard W.M. Jones <rjones@redhat.com> - 0.14.0-8
 - OCaml 4.12.0 build
+- Make the ocaml-odoc dependency conditional.
 
 * Sat Feb 20 2021 Jerry James <loganjerry@gmail.com> - 0.14.0-7
 - Rebuild for ocaml-base 0.14.1