add Pillow as an optional dependency to matplotlib

diff --git a/products/matplotlib.pyconf b/products/matplotlib.pyconf
index 442e9fa9c39db8d95097d078def14c1b3ffd3d2a..279b5b31d4635830572b6e26435cce8a7bfffede 100755 (executable)
--- a/products/matplotlib.pyconf
+++ b/products/matplotlib.pyconf
@@ -17,7 +17,7 @@ default :
     }
     # OP distribute is not useful anymore
     depend : ['Python', 'setuptools', 'PyQt',  'numpy', 'freetype', 'six', 'pytz', 'pyparsing', 'dateutil', 'cycler']
-    opt_depend : ['kiwisolver']
+    opt_depend : ['kiwisolver', 'Pillow']
     source_dir : $APPLICATION.workdir + $VARS.sep + 'SOURCES' + $VARS.sep + $name
     build_dir : $APPLICATION.workdir + $VARS.sep + 'BUILD' + $VARS.sep + $name
     install_dir : 'base'