[postgis-tickets] [PostGIS] #4203: GNU Make 4.1 breaks all our extensions making them start with ESC

[PostGIS]

#4203: GNU Make 4.1 breaks all our extensions making them start with ESC
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  Reporter:  strk     |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  blocker  |  Milestone:  PostGIS 2.2.8
 Component:  postgis  |    Version:  2.2.x
Resolution:           |   Keywords:
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Comment (by strk):

 According to RhodiumToad printf(1) would be more portable, using double
 backslash

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4203#comment:1>
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