perl-XS-Parse-Keyword-0.36-1.fc39 fails to detect Perl_custom_infix support in perl:

+ perl Build.PL --installdirs=vendor '--optimize=-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64   -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer'
Checking for PL_infix_plugin...
test-56-1.c: In function 'main':
test-56-1.c:6:29: warning: variable 'def' set but not used [-Wunused-but-set-variable]
    6 |    struct Perl_custom_infix def;
      |                             ^~~
/usr/bin/ld: cannot find -lgdbm: No such file or directory
/usr/bin/ld: cannot find -ldb: No such file or directory
collect2: error: ld returned 1 exit status
Created MYMETA.yml and MYMETA.json
Creating new 'Build' script for 'XS-Parse-Keyword' version '0.36'
+ ./Build
Building XS-Parse-Keyword
[...]
t/70infix.t ............. skipped: No PL_infix_plugin