Daniel Macks wrote:
[]
I wonder if when linking against that .dylib the linker is picking
/sw/lib/libnetpbm.dylib instead of the one just compiled as part of
the nascent package?

I don't think this happens in this case. The package goes to some lengths to avoid this, -isystem and such. The actual linker line where the undefined symbol appeared was


> cc -no-cpp-precomp -L/sw/lib -o pnmtopng pnmtopng.o pngtxt.o \
>   `/sw/src/netpbm10-10.24-1/netpbm-10.24/buildtools/libopt
> /sw/src/netpbm10-10.24-1/netpbm-10.24/lib/libnetpbm.dylib libpng.dylib
> libz.dylib` \
>   -lm    -L/sw/lib
> libopt results: ' -L/sw/src/netpbm10-10.24-1/netpbm-10.24/lib -lnetpbm
> -lpng -lz'
> ld: warning prebinding disabled because of undefined symbols
> ld: Undefined symbols:
> _pm_seek2
> _pm_tell2

So the good library was there with its full name. The only thing that puzzles me there (apart from the missing symbols that I am not able to reproduce) is the "libopt results:" line. I don't know who is talking there.

--
Martin





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