then the next step was to replace id.so.comf file having the text
you do not replace that file
you run "ldconfig" on the new software ( you BUILT FROM SOURCE )
for rpm's and yum there is NO NEED
also you NEED to be root to do that to the SORRCE BUILT FILES -- NOT the rpm's
see the manual and help page
--- and ----
and HOW did you install
this way ? or some other ?
yum install fftw libpng10 libXp grace
and why dose one program need both
the old fft2 AND the current fft3
what is it you are installing ?
and what instructions are you using ? xmgrace ?
see the other thread
"problem to install xmgrace on fedora 16 "
The instructions are you using ?
where you cot them
and what it is you are trying to do .