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I'd say to Peter to verify what's going on via "nm
/usr/X11/lib/libpng.dylib | grep dither"  It's possible that Peter's
libpng in X11 got downgraded by a system update--the perils of using
Xquartz--or that it's just not a new enough Xquartz (as the version
wasn't specified).

For David:  the package seems to use X11's libpng instead of Fink's:

$ otool -L /sw/bin/xfig | cut -d\( -f1
/sw/bin/xfig:
        /sw/lib/libjpeg.62.dylib
        /usr/X11/lib/libXpm.4.dylib
        /usr/X11/lib/libpng12.0.dylib
        ...

I'm not sure why, though, given the path ordering below.

On 7/5/10 4:52 PM, David R. Morrison wrote:
> Anybody have any ideas about this one?  The "missing" symbol appears to
> be present in /sw/lib/libpng.dylib (the one installed by fink's libpng3
> package).
> 
> Begin forwarded message:
> 
>> *From: *Peter Dyballa <[email protected]
>> <mailto:[email protected]>>
>> *Date: *July 5, 2010 1:33:10 PM MDT
>> *To: *[email protected] <mailto:[email protected]>
>> *Subject: **Failure building xfig-3.2.5-1012*
>>
>> Hello!
>>
>> The error happens here (after thousands of warnings):
>>
>> rm -f xfig
>> cc -o xfig -Os -Wall -Wpointer-arith -no-cpp-precomp
>>     -L/usr/X11/lib   d_arc.o d_arcbox.o d_box.o d_ellipse.o d_picobj.o
>> d_subspline.o d_line.o d_regpoly.o d_spline.o d_text.o e_addpt.o
>> e_align.o e_arrow.o e_break.o e_compound.o e_convert.o e_copy.o
>> e_delete.o e_deletept.o e_edit.o e_flip.o e_glue.o e_joinsplit.o
>> e_measure.o e_move.o e_movept.o e_placelib.o e_rotate.o e_scale.o
>> e_tangent.o e_update.o f_load.o f_neuclrtab.o f_picobj.o f_read.o
>> f_readold.o f_readppm.o f_readpng.o f_readtif.o f_readeps.o
>> f_readxbm.o f_readgif.o f_readjpg.o f_readpcx.o f_readxpm.o f_save.o
>> f_util.o f_wrpcx.o f_wrpng.o main.o mode.o object.o resources.o
>> u_bound.o u_create.o u_drag.o u_draw.o u_elastic.o u_error.o u_fonts.o
>> u_free.o u_geom.o u_list.o u_markers.o u_pan.o u_print.o u_redraw.o
>> u_scale.o u_search.o u_smartsearch.o u_translate.o u_undo.o
>> w_digitize.o w_listwidget.o w_browse.o w_capture.o w_srchrepl.o
>> w_help.o w_layers.o w_canvas.o w_cmdpanel.o w_color.o w_cursor.o
>> w_dir.o w_drawprim.o w_export.o w_file.o w_fontbits.o w_fontpanel.o
>> w_grid.o w_icons.o w_indpanel.o w_library.o w_modepanel.o w_mousefun.o
>> w_msgpanel.o w_print.o w_rottext.o w_rulers.o w_setup.o w_style.o
>> w_util.o w_zoom.o e_chop.o u_quartic.o w_snap.o w_keyboard.o
>> w_intersect.o  -L/sw/lib -ljpeg   -L/usr/X11R6/lib -lXpm -L/sw/lib
>> -lpng -L/usr/X11/lib -lz -lXi -lXaw3d -lXmu -lXt -lSM -lICE -lXpm -lXp
>> -lXext -lX11 -lm
>> Undefined symbols:
>>  "_png_set_dither", referenced from:
>>      _read_png in f_readpng.o
>> ld: symbol(s) not found
>> collect2: ld returned 1 exit status
>> make: *** [xfig] Error 1
>> ### execution of /var/tmp/tmp.2.yw5h3L failed, exit code 2
>> Removing runtime build-lock...
>> Removing build-lock package...
>> /sw/bin/dpkg-lockwait -r fink-buildlock-xfig-3.2.5-1012
>>
>>
>> Libpng14 is 1.4.3-1, libpng3 is 1:1.2.44-1. The X11 distribution is
>> not exactly Apple but an update from Jeremy Huddleston.
>>
>> --
>> Package manager version: 0.29.13
>> Distribution version: selfupdate-cvs Mon Jul  5 19:58:29 2010, 10.5,
>> powerpc
>> Mac OS X version: 10.5.8
>> Xcode version: 3.1.4
>> gcc version: 4.0.1 (Apple Inc. build 5493)
>> make version: 3.81
>> Feedback Courtesy of FinkCommander
>>
>> --
>> Greetings
>>
>>  Pete
>>
>> For some reason, this fortune reminds everyone of Marvin Zelkowitz.
>>
> 
> 
> 


- -- 
Alexander Hansen
Fink User Liaison
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