xfce4-panel @4.6.4_2: error: unknown type name 'G_CONST_RETURN'

[jam.with.ju2@…]

# port install xfce

--->  Fetching archive for xfce4-panel
--->  Attempting to fetch xfce4-panel-4.6.4_2.darwin_13.x86_64.tbz2 from http://jog.id.packages.macports.org/macports/packages/xfce4-panel
--->  Attempting to fetch xfce4-panel-4.6.4_2.darwin_13.x86_64.tbz2 from http://packages.macports.org/xfce4-panel
--->  Attempting to fetch xfce4-panel-4.6.4_2.darwin_13.x86_64.tbz2 from http://mse.uk.packages.macports.org/sites/packages.macports.org/xfce4-panel
--->  Fetching distfiles for xfce4-panel
--->  Attempting to fetch xfce4-panel-4.6.4.tar.bz2 from http://cjj.kr.distfiles.macports.org/xfce4-panel
--->  Verifying checksums for xfce4-panel                                            
--->  Extracting xfce4-panel
--->  Applying patches to xfce4-panel
--->  Configuring xfce4-panel
--->  Building xfce4-panel
Error: org.macports.build for port xfce4-panel returned: command execution failed
Error: Failed to install xfce4-panel
Please see the log file for port xfce4-panel for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_xfce_xfce4-panel/xfce4-panel/main.log
Error: The following dependencies were not installed: orage xfce4-panel xfce-utils xfce4-dev-tools xfce4-appfinder libxfce4menu xfce4-icon-theme xfdesktop xfprint a2ps xfwm4 xfwm4-themes
To report a bug, follow the instructions in the guide:
    http://guide.macports.org/#project.tickets
Error: Processing of port xfce failed

/opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_xfce_xfce4-panel/xfce4-panel/main.log

:info:build In file included from xfce-arrow-button.c:35:
:info:build In file included from ../libxfce4panel/libxfce4panel-enum-types.h:6:
:info:build In file included from /opt/local/include/xfce4/libxfce4util/libxfce4util.h:31:
:info:build /opt/local/include/xfce4/libxfce4util/xfce-desktopentry.h:71:1: error: unknown type name 'G_CONST_RETURN'
:info:build G_CONST_RETURN gchar  *xfce_desktop_entry_get_file              (XfceDesktopEntry *desktop_entry);
:info:build ^
:info:build /opt/local/include/xfce4/libxfce4util/xfce-desktopentry.h:71:21: error: expected ';' after top level declarator
:info:build G_CONST_RETURN gchar  *xfce_desktop_entry_get_file              (XfceDesktopEntry *desktop_entry);
:info:build                     ^
:info:build                     ;
:info:build In file included from xfce-panel-window.c:32:
:info:build In file included from ../libxfce4panel/libxfce4panel-enum-types.h:6:
:info:build In file included from /opt/local/include/xfce4/libxfce4util/libxfce4util.h:31:
:info:build /opt/local/include/xfce4/libxfce4util/xfce-desktopentry.h:71:1: error: unknown type name 'G_CONST_RETURN'
:info:build G_CONST_RETURN gchar  *xfce_desktop_entry_get_file              (XfceDesktopEntry *desktop_entry);
:info:build ^
:info:build /opt/local/include/xfce4/libxfce4util/xfce-desktopentry.h:71:21: error: expected ';' after top level declarator
:info:build G_CONST_RETURN gchar  *xfce_desktop_entry_get_file              (XfceDesktopEntry *desktop_entry);
:info:build                     ^
:info:build                     ;
:info:build 2 errors generated.
:info:build 2 errors generated.
:info:build make[3]: *** [libxfce4panel_la-xfce-panel-window.lo] Error 1
:info:build make[3]: *** Waiting for unfinished jobs....
:info:build make[3]: *** [libxfce4panel_la-xfce-arrow-button.lo] Error 1
:info:build make[3]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_re\
lease_ports_xfce_xfce4-panel/xfce4-panel/work/xfce4-panel-4.6.4/libxfce4panel'
:info:build make[2]: *** [all] Error 2
:info:build make[2]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_re\
lease_ports_xfce_xfce4-panel/xfce4-panel/work/xfce4-panel-4.6.4/libxfce4panel'
:info:build make[1]: *** [all-recursive] Error 1
:info:build make[1]: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_re\
lease_ports_xfce_xfce4-panel/xfce4-panel/work/xfce4-panel-4.6.4'
:info:build make: *** [all] Error 2
:info:build make: Leaving directory `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_relea\
se_ports_xfce_xfce4-panel/xfce4-panel/work/xfce4-panel-4.6.4'
:info:build Command failed:  cd "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_p\
orts_xfce_xfce4-panel/xfce4-panel/work/xfce4-panel-4.6.4" && /usr/bin/make -j2 -w all
:info:build Exit code: 2
:error:build org.macports.build for port xfce4-panel returned: command execution failed
:debug:build Error code: CHILDSTATUS 22299 2
:debug:build Backtrace: command execution failed
    while executing
"system -nice 0 $fullcmdstring"
    ("eval" body line 1)
    invoked from within
"eval system $notty $nice \$fullcmdstring"
    invoked from within
"command_exec build"
    (procedure "portbuild::build_main" line 8)
    invoked from within
"portbuild::build_main org.macports.build"
    ("eval" body line 1)
    invoked from within
"eval $procedure $targetname"
:info:build Warning: targets not executed for xfce4-panel: org.macports.activate org.macports.build org.macports.destroot o\
rg.macports.install
:error:build Failed to install xfce4-panel
:debug:build could not read "/opt/local/share/icons/Tango/scalable/status/xfce-trash_full.svg": no such file or directory
    while executing
"::file type $file"
:notice:build Please see the log file for port xfce4-panel for details:
    /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_release_ports_xfce_xfce4-panel/xfce4-pa\
nel/main.log

[ryandesign (Ryan Carsten Schmidt)]

Duplicate of #32651.