thanks for the quick reply
> Make sure you have libpng14 or libpng15 installed. You probably currently
> have Fink's libpng3 installed, which doesn't have that symbol.
i actually do have libpng15 installed and anot libpng3:
[robinson]<esprit> fink list libpng
Information about 11483 packages read in 1 seconds.
libpng-shlibs 1.0.12-7 PNG image format handling library
libpng14 1.4.11-1 PNG image format handling library
i libpng14-shlibs 1.4.11-1 Shared libraries for libpng14 package
i libpng15 1.5.10-1 PNG image format handling library
i libpng15-shlibs 1.5.10-1 Shared libraries for libpng15 package
libpng3 1:1.2.49-1 PNG image format handling library
i libpng3-shlibs 1:1.2.49-1 Shared libraries for libpng3 package
i system-pkgconfig-li 1.2.46-1 [virtual pkgconfig package
representing libpng]
i system-pkgconfig-li 1.2.46-1 [virtual pkgconfig package
representing libpng12]
on my MacPro (running under fink PM 0.29.21) i have libpng14 installed (and not
15) and it works fine...
so the problem may relate to libpng15.
i didnot mention that i'm compiling with the -m32 option. is there any
incompatibility of this option with libpng15 ?
jeanfrancois
> On 06/29/2012 4:22 AM, Jean-Francois Donati wrote:
>> hi
>>
>> i'm having a problem when compiling a c code (called geometry) invoking
>> pgplot libraries.
>> this code used to work fine in the past on my mac book (2.4GHz intel core2
>> duo) under OSX 10.6.8
>> but is failing now for a reason that i cannot manage to work out
>> (i haven't tried it for a while so it may be related to an fink upgrade that
>> occured a few months ago).
>> this very same code is working fine on my mac pro (same version of OSX,
>> latest version of fink stable)
>> but is apparently failing on the macbook.
>>
>> here is the message i'm getting : obviously, it's having trouble finding a
>> routine,
>> that should presumably be part of libpng but is not (since i'm linking with
>> libpng obviously).
>>
>> [robinson]<esprit> make geometry
>> gfortran -o geometry geometry.o util.o spec.o earth.o ccdfit.o version.o
>> /Users/donati/lib/libfile.a /Users/donati/lib/libnr0.a
>> /Users/donati/lib/libmem.a /Users/donati/lib/libplot.a -L/usr/X11R6/lib
>> -lX11 -Wl,-framework -Wl,Foundation -L/sw/lib -lz -laquaterm -lpng
>> -L/sw/lib/pgplot -lpgplot -lcpgplot
>> Undefined symbols:
>> "_png_set_longjmp_fn", referenced from:
>> _write_image_file in libpgplot.a(pndriv.o)
>> ld: symbol(s) not found
>> collect2: erreur: ld a retourn'e 1 code d''etat d'ex'ecution
>> make: *** [geometry] Error 1
>
>
>
>
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