On Thu, 08 Feb 2007 21:35:37 +0100, Robert Heller <[EMAIL PROTECTED]> wrote:
> At Thu, 08 Feb 2007 12:53:54 -0600 [EMAIL PROTECTED] wrote:
>
>>
>> I wrote this little program hello.c and compiled it on Fedora Core
>> 6. It gives a Floating Point Error on Fedora Core 3. What is going on
>> here????????
>>
>> My problem, obviously, lies with a larger app that I compile on FC6
>> and want to run on FC3, this example is just an illustration of the
>> problem. I am desperate. I need to solve this shit.
>>
>> See output here:
>>
>> FC6:~/tmp ==>cat hello.c
>> #include <stdio.h>
>> #include <stdlib.h>
>>
>> int main( int argtc, char * argv[] ) {
>>
>> printf( "Hello\n" );
>>
>> exit( 0 );
>> }
>> FC6:~/tmp ==>gcc -o hello hello.c
>> FC6:~/tmp ==>./hello
>> Hello
>>
>> @@@@@ Then I move it to a Fedora Core 3 machine and run it:
>>
>> FC3: ==>./hello
>> Floating point exception (core dumped)
>>
>> FC3: ==>strace ./hello
>> execve("./hello", ["./hello"], [/* 63 vars */]) = 0
>> brk(0) = 0x85ff000
>> old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS,
>> -1, 0) = 0xb7f4b000
>> +++ killed by SIGFPE (core dumped) +++
>> Process 11101 detached
>
> I'm guessing you did not re-compile for FC3?
Correct.
> Most likely the Glibc is different between FC6 and FC3 and the FC6
> build is not (by default) downward compatible. What happens when
> you re-compile it *under* FC3?
I am sure that it will work fine -- but our build boxes ARE FC6 and
out production boxes ARE FC3.
I need to find a solution to building downward compatible apps under
FC6 that would run on FC3.
I really need your help here.
Thanks
tgu
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