[#2969] add tex-gyre back to hammer for debian

tex-gyre is needed for generating PDF with sphinx.

diff --git a/hammer.py b/hammer.py
index 4de17e5ced5775a61745abce1a34a69d998050ef..f4556d8c1d8f34d191ae32ec38321aa657d46560 100755 (executable)
--- a/hammer.py
+++ b/hammer.py
@@ -1858,7 +1858,7 @@ def prepare_system_local(features, check_times, ignore_errors_for):
 
         if 'docs' in features:
             packages.extend(['python3-sphinx', 'python3-sphinx-rtd-theme',
-                             'texlive', 'texlive-latex-extra'])
+                             'tex-gyre', 'texlive', 'texlive-latex-extra'])
 
         if 'unittest' in features:
             if revision == '8':