[MacPorts] #43939: gegl @0.2.0_12 - OSX 10.6.8 - build fails

[MacPorts]

#43939: gegl @0.2.0_12 - OSX 10.6.8 - build fails
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 Reporter:  macports@…                    |      Owner:  macports-tickets@…
     Type:  defect                        |     Status:  new
 Priority:  Normal                        |  Milestone:
Component:  ports                         |    Version:  2.3.0
 Keywords:  gegl, 10.6.8, webkit_gtk_2.0  |       Port:  gegl @0.2.0_12
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 I have been having problems with my Macports installation. Just today, I
 removed everything in an attempt to replace webkit-gtk with webkit-gtl-2.0
 per instructions from a failed build. Reinstallation of everything had
 been going smoothly until I tried installing gimp2. One of its
 dependencies is gegl.

 I found no tickets for gegl problems with my local version @0.2.0_12.

 I receive four log file errors of the form:
 /opt/local/include/pngconf.h:366:52: error: token is not a valid binary
 operator in a preprocessor subexpression
 [[br]]"#                       if !defined(PNG_USE_RESULT) &&
 __has_attribute(__warn_unused_result__)"

 The other three tokens reported are PNG_NORETURN, PNG_ALLOCATED, and
 PNG_DEPRECATED with appropriate text in the
 __has_attribute( <VALUE> ) portion of the four lines. Each error also has
 a text pattern under the error with a circumflex pointing to the left-
 paren after the "__has_attribute" token.

 There are also numerous warnings generated that appear to be of a similar
 form.


 I run OSX 10.6.8 server on a several year old MacPro. Before I was
 instructed by a build error to replace webkit-gtk with webkit-gtk-2.0,
 gimp2 built cleanly.
 However, it had been some months since I had done a "selfupdate" on my
 macports installation.
 The errors could have crept in over the interval without weekly
 "selfupdate" executions.

 I did run a "port clean gegl gimp2" and tried the gimp2 install again, but
 the error is repeated.

 The log file generated will be attached to this ticket.

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Ticket URL: <https://trac.macports.org/ticket/43939>
MacPorts <http://www.macports.org/>
Ports system for OS X