release binary under fc9 gives floating point exception in RHEL 4

Dear All,

I have compiled my project in Fedora 9 in debug_and_release mode. It runs well in Fedora's system either QT4 is installed or not (Only Ihave to put QtCore and QtGui so library in absense of Qt4). But when I deployed this in RHEL4 it gives the following error

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Floating Point Exception

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and when I run

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ldd ./appname

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on RHEl4, it gives the following error

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line 124: Floating point exception LD_TRACE_LOADED_OBJECT=1 LD_WARN=LD_BIND_NOW=LD_LIBRARY_VERSION=$verify_out LD_VERBOSE="$@"

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I think, I would recompile the whole project under RHEL machine.
Is this technique helpful or any other technique is possible for that issue?