[MacPorts] #35946: graphviz fails to compile after updating to libpng 1.5

[MacPorts]

#35946: graphviz fails to compile after updating to libpng 1.5
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 Reporter:  hugo.at.ribeiro@…          |       Owner:  macports-tickets@…                   
     Type:  defect                     |      Status:  new                                  
 Priority:  Normal                     |   Milestone:                                       
Component:  ports                      |     Version:  2.1.2                                
 Keywords:                             |        Port:                                       
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 graphviz needs update to compile with libpng 1.5. Compilation error below.

 {{{
 grep: /opt/local/lib/libpng14.la: No such file or directory
 sed: /opt/local/lib/libpng14.la: No such file or directory
 libtool: link: `/opt/local/lib/libpng14.la' is not a valid libtool archive
 make[3]: *** [libgvplugin_rsvg.la] Error 1
 make[3]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/work/graphviz-2.28.0/plugin/rsvg'
 make[2]: *** [all-recursive] Error 1
 make[2]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/work/graphviz-2.28.0/plugin'
 make[1]: *** [all-recursive] Error 1
 make[1]: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/work/graphviz-2.28.0'
 make: *** [all] Error 2
 make: Leaving directory
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/work/graphviz-2.28.0'
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/work/graphviz-2.28.0"
 && /usr/bin/make -j2 -w all
 Exit code: 2
 Error: org.macports.build for port graphviz returned: command execution
 failed
 Warning: targets not executed for graphviz: org.macports.install
 org.macports.build org.macports.destroot
 Please see the log file for port graphviz for details:
 /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_graphics_graphviz/graphviz/main.log
 Error: Unable to upgrade port: 1

 }}}

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Ticket URL: <https://trac.macports.org/ticket/35946>
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