--- hexchat-git-c1091c38b.old/plugins/perl/meson.build
+++ hexchat-git-c1091c38b/plugins/perl/meson.build
@@ -60,7 +60,7 @@
 perl_cflags += [
   # Perl has its own 'config.h' that we must override
   # TODO: Just rename ours to something more unique.
-  '-include', meson.build_root() + '/config.h'
+  '-include', meson.build_root() + '/config.h', '-I__META_CORE__', '-L__META_CORE__', '-lperl'
 ]
 
 if not cc.links('''