Cannot CustomBuild PHP 8.4

[ezh]

Error log:

checking if we're at 64-bit platform... yes
checking for iconv support... yes
checking for iconv... yes
checking for iconv implementation... glibc
checking if iconv supports errno... no
configure: error: in '/usr/local/directadmin/custombuild/tmp/tmp.PLTLbJMLG1.php-8.4.19.tar.gz':
configure: error: The iconv check failed, 'errno' is missing.
See 'config.log' for more details
install_php: failed to compile '/usr/local/directadmin/custombuild/cache/php-8.4.19.tar.gz' inside '/usr/local/directadmin/custombuild/tmp/tmp.PLTLbJMLG1.php-8.4.19.tar.gz'

How can I solve it?

Tnx.