Bug#714712: postgis: FTBFS - mvn: not found (missing B-D on maven)

[Aaron M. Ucko]

Source: postgis
Version: 2.0.3-1
Severity: serious
Justification: fails to build from source (but built successfully in the past)

Builds of postgis in minimal environments (as on the autobuilders)
have been failing:

  cd /«PKGBUILDDIR»/java/jdbc && mvn --offline -Dmaven.repo.local=/usr/share/maven-repo clean
  /bin/sh: 1: mvn: not found
  make: *** [clean] Error 127

Please declare a build dependency on maven and confirm with pbuilder
or the like that you haven't missed anything else.

Thanks!