Save some space in the -doc subpackage by hardlinking duplicate files

xalan-c.spec

@@ -29,6 +29,8 @@ BuildRequires:  cmake
 # Either make or ninja is supported.
 BuildRequires:  ninja-build
 BuildRequires:  gcc-c++
+BuildRequires:  hardlink
+
 BuildRequires:  xerces-c-devel
 %if %{with icu}
 BuildRequires:  libicu-devel
@@ -94,6 +96,11 @@ rm -vf samples/configure samples/configure.in
 # the HTML version of the API documentation.
 rm -rf %{buildroot}%{_prefix}/share/doc/xalan-c/api
 
+install -t '%{buildroot}%{_docdir}/%{name}-doc' -D -p -m 0644 \
+    CREDITS KEYS NOTICE README.md docs/*.md
+cp -rvp docs/images/ samples/ '%{buildroot}%{_docdir}/%{name}-doc'
+hardlink -c -v '%{buildroot}%{_docdir}/%{name}-doc'
+
 
 %check
 %ctest
@@ -128,13 +135,7 @@ rm -rf %{buildroot}%{_prefix}/share/doc/xalan-c/api
 %files doc
 %license LICENSE
 
-%doc CREDITS
-%doc KEYS
-%doc NOTICE
-%doc README.md
-%doc docs/*.md
-%doc docs/images/
-%doc samples/
+%{_docdir}/%{name}-doc/
 
 
 %changelog