This page is a step by step guide for contributing to PostGIS

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Workflow:

• Fork ​https://github.com/postgis/postgis
• clone the forked postgis on your computer
• compile (everything should be ok)
  • ./autogen.sh
  • ./configure
  • make
  • sudo make install
• if big new feature
  • discuss on the dev mailing list or on irc.freenode.org #postgis
• if bug correction
  • create / update tickets
• if minor changes (no API break)
  • directly work on it
• in all case : create a branch with a telling name (what you will be working on)
• to code
  • start from SQL looking for the function definition and the associated C function
  • look for C function in postgis sources, and look if the postgis function calls a libgeom function
  • etc
• to test
  • if libgeom : CUnit
  • test at the postgres level.

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