Remove dependency on python3-recommonmark

Resolves: rhbz#1928132

llvm.spec

@@ -53,7 +53,7 @@
 
 Name:		%{pkg_name}
 Version:	%{maj_ver}.%{min_ver}.%{patch_ver}%{?rc_ver:~rc%{rc_ver}}
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	The Low Level Virtual Machine
 
 License:	NCSA
@@ -72,6 +72,9 @@ Source5:	https://github.com/llvm/llvm-project/releases/download/llvmorg-%{compat
 
 Patch0:     0001-PATCH-llvm-Make-source-interleave-prefix-test-case-c.patch
 
+# RHEL-specific patches
+Patch101: 0001-Deactivate-markdown-doc.patch
+
 BuildRequires:	gcc
 BuildRequires:	gcc-c++
 BuildRequires:	cmake
@@ -80,7 +83,11 @@ BuildRequires:	zlib-devel
 BuildRequires:	libffi-devel
 BuildRequires:	ncurses-devel
 BuildRequires:	python3-sphinx
+%if !0%{?rhel}
 BuildRequires:	python3-recommonmark
+%else
+BuildRequires:	pandoc
+%endif
 BuildRequires:	multilib-rpm-config
 %if %{with gold}
 BuildRequires:	binutils-devel
@@ -591,6 +598,10 @@ fi
 %endif
 
 %changelog
+* Sat May 01 2021 Tom Stellard <tstellar@redhat.com> - 12.0.0-3
+- Remove dependency on python3-recommonmark
+- Resolves: rhbz#1928132
+
 * Fri Apr 30 2021 Tom Stellard <tstellar@redhat.com> - 12.0.0-2
 - Enable rtti for compat library