[postgis-tickets] [PostGIS] #4116: Select a C standard and include in CFLAGS

[PostGIS]

#4116: Select a C standard and include in CFLAGS
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  Reporter:  dbaston  |      Owner:  pramsey
      Type:  defect   |     Status:  new
  Priority:  medium   |  Milestone:  PostGIS 2.5.0
 Component:  postgis  |    Version:  trunk
Resolution:           |   Keywords:
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Comment (by Algunenano):

 I definitely like the idea of updating the c standard. I think `c89` is
 being used because it's the default for Postgresql but since some language
 extensions were used (M_PI is another example) the de facto standard is
 `gnu89`.

 If we decided to update I'd go with `c11` directly, which is fully
 supported from gcc 4.9+ (and partially before that,
 https://gcc.gnu.org/wiki/C11Status), released in 2014, but I'd be
 satisfied with c99 too.

 Nevertheless, I wouldn't update it for 2.5 (for the sake of keeping
 compatibility) but I would for the next one (2.6?, 3.0?).

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/4116#comment:1>
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