Stephan Sandow <ssandow@xxxxxxx> writes: > i get 3 errors building the postgres server Version 12.0 for windows: > plperl.obj : error LNK2019: unresolved external symbol "new_ctype" in > Function "plperl_init_interp > ". [C:\postgre_src\postgresql-12.0\plperl.vcxproj] > plperl.obj : error LNK2019: unresolved external symbol "new_collate" > in Function "plperl_init_inte > rp". [C:\postgre_src\postgresql-12.0\plperl.vcxproj] > plperl.obj : error LNK2019: unresolved external symbol "new_numeric" > in Function "plperl_init_inte > rp". [C:\postgre_src\postgresql-12.0\plperl.vcxproj] > .\Release\plperl\plperl.dll : fatal error LNK1120: 3 nicht aufgelöste > Externe [C:\postgre_src\postgresql-12.0\plperl. > vcxproj] I'm no Perl expert, but what this smells like is compiling against a set of Perl header files that don't match the Perl library you're linking to. Check for multiple Perl installations on your machine, and pay attention to the include and link search paths that are being used in your plperl build. regards, tom lane