Make -doc package arched again

xalan-c.spec

@@ -2,7 +2,7 @@
 
 Name:           xalan-c
 Version:        1.12.0
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Xalan XSLT processor for C/C++
 
 License:        ASL 2.0
@@ -51,8 +51,6 @@ BuildRequires:  doxygen
 # Explicit BR required for EPEL8:
 BuildRequires:  graphviz
 
-BuildArch:      noarch
-
 %description doc
 Documentation for %{name}.
 
@@ -65,6 +63,10 @@ Documentation for %{name}.
 # https://github.com/apache/xalan-c/pull/35
 chmod a-x NOTICE
 
+# Remove the Autotools build system cruft from the samples; otherwise, it would
+# be installed as documentation. We leave the CmakeLists.txt even though it
+# cannot be used standalone; it is used in the build (even though the built
+# samples are only tested and not installed), and is annoying to exclude.
 rm -vf samples/configure samples/configure.in
 
 
@@ -128,6 +130,11 @@ rm -rf %{buildroot}%{_prefix}/share/doc/xalan-c/api
 
 
 %changelog
+* Sat Dec  5 2020 Benjamin A. Beasley <code@musicinmybrain.net> - 1.12.0-4
+- Make -doc package arch again; there are indeed small differences by
+  architecture. Note that 1.12.0-3 never made it to any buildroot, as the arch
+  differences were flagged by koji.
+
 * Fri Dec  4 2020 Benjamin A. Beasley <code@musicinmybrain.net> - 1.12.0-3
 - Make -doc package noarch