C:\app\sources>perl C:\app\sources\builds\win64\modules\
GD-2.73\Makefile.PL
Notice: Type perl Makefile.PL -h for command-line option summary.

'gdlib-config' is not recognized as an internal or external command,
operable program or batch file.
Can't locate ExtUtils/PkgConfig.pm in @INC (you may need to install the ExtUtils
::PkgConfig module) (@INC contains: C:/app/bin/Perl/site/lib C
:/app/bin/Perl/lib) at C:\app\sources\builds\win64
\modules\GD-2.73\Makefile.PL line 449.