[1.7] does LD_PRELOAD support more than 1 dll ?

Marco Atzeri marco_atzeri@yahoo.it
Fri May 29 12:38:00 GMT 2009

Hi All,
I was trying to understand why LD_PRELOAD does not work
for octave, that have 3 dlls specified on LD_PRELOAD 
and I discovered that it seems to handle only 
1 dll and not more.
If I specify 2 or more dlls, LD_PRELOAD stop to work

$uname -a
CYGWIN_NT-5.1 ITQMOZCAS2NB007 1.7.0(0.210/5/3) 2009-05-15 17:15 i686 Cygwin

as test case I used the fltk-demos sudoku,
and chosen 2 of the dll's

 $ cygcheck sudoku

copied them in a tmp directory

mkdir /tmp/prova
cp cygjpeg-62.dll cygpng12.dll /tmp/prova

the outcome is:
 $ LD_PRELOAD="/tmp/prova/cygjpeg-62.dll /tmp/prova/cygpng12.dll" sudoku
      3 [main] bash 12924 C:\cygwin2\bin\bash.exe: *** fatal error - error while loading shared libraries: /tmp/prova/cygjpeg-62.dll /tmp/prova/cygpng12.dll: cannot open shared object file: No such file or directory

while if I specify only 1 dll
$ LD_PRELOAD="/tmp/prova/cygjpeg-62.dll" sudoku

it works.

Is it a bug, feature or a BLODA issue ?


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