[postgis-tickets] [PostGIS] #3872: Check xmllint on travis builds

[PostGIS]

#3872: Check xmllint on travis builds
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 Reporter:  komzpa   |      Owner:  pramsey
     Type:  defect   |     Status:  new
 Priority:  medium   |  Milestone:  PostGIS 2.4.1
Component:  postgis  |    Version:  2.3.x
 Keywords:           |
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 Here is a PR that enables ccache and xmllint on travis builds:

 https://github.com/postgis/postgis/pull/145

 Enabling ccache shouldn't break anything, it's calculating cache keys in a
 very sophisticated manner that includes compiler binary hash and
 preprocessed file with all includes burnt into. (re: pramsey worries on
 IRC).

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3872>
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