when i try to install "GD" (perl -e shell -MCPAN ->(next step) cpan[1]> install GD) on Redhat 6.5 i got the error:

->
 CPAN.pm: Building L/LD/LDS/GD-2.53.tar.gz

**UNRECOVERABLE ERROR**
Could not find gdlib-config in the search path. Please install libgd 2.0.28 or higher.
If you want to try to compile anyway, please rerun this script with the option --ignore\_missing\_gd.
Warning: No success on command[/usr/bin/perl Makefile.PL INSTALLDIRS=site]
CPAN: YAML loaded ok (v0.90)
 LDS/GD-2.53.tar.gz
 /usr/bin/perl Makefile.PL INSTALLDIRS=site -- NOT OK
Running make test
 Make had some problems, won't test
Running make install
 Make had some problems, won't install
Could not read metadata file. Falling back to other methods to determine prerequisites
Failed during this command:
 LDS/GD-2.53.tar.gz : writemakefile NO '/usr/bin/perl Makefile.PL INSTALLDIRS=site' returned status 512
<-

I tryed to install "libgd 2.0.28 or higher" but don't find this in "yum".

locate libgd (shows):

/usr/lib64/libgd.so.2
/usr/lib64/libgd.so.2.0.0

Does anyone know an advice?