I am trying to run a customized version of the GD graphics library from
a Perl script on my web page, which is hosted by another company. To do
this, I downloaded GD, the libraries on which it depends, and the Perl
GD interface module to my FC6 machine. I then made the edits I need and
built and installed everything. Everything works on my machine, as
verified by a test script that I wrote.
I then grabbed the entire blib directory that I built and moved it to
my web server. It fails with the following (I have CGI::Carp
qw(fatalsToBrowser) turned on so that it displays to the web page):
Software error:
Can't load '/home/markve65/public_html/cgi-bin/blib/arch/auto/GD/GD.so'
for module GD: /lib/tls/libc.so.6: version `GLIBC_2.4' not found
(required by
/home/mventimi/public_html/cgi-bin/blib/arch/auto/GD/GD.so) at
/usr/lib/perl5/5.8.8/i686-linux/DynaLoader.pm line 230.
at testGD.pl line 12
Compilation failed in require at testGD.pl line 12.
BEGIN failed--compilation aborted at testGD.pl line 12.
The Perl script dies at line 12, which is the "use GD;" line. If I comment this
out, the script runs fine.
My first guess was that I built the library on a machine with a newer
version of libc than what was on my web server machine. I checked my
web server and it's running RHL9, so I grabbed a copy of RHL9,
installed it on a free machine, and rebuilt as above. When I did that,
however, the script died with a 500 error, and I get a "Premature end
of script headers" in the error log.
The obvious answer would be to build this library on the web server
machine, but I don't have access to do that. I need to build the
library on a different machine and copy it over there. Can anyone give
me any hints as to how I can do that? From what I've been able to dig
up so far, I'm having a problem because glibc uses symbol versioning
and I'm building my library on a machine with a newer glibc. The
library then expects these newer versions of symbols on the machine
with the older glibc. Is there any way to force the linker to use the
older versions of symbols in glibc? Or am I completely off base here?
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