$NetBSD$

--- meson.build.orig	2025-07-23 15:42:58.000000000 +0000
+++ meson.build
@@ -526,7 +526,6 @@ summary({'Snapd-glib (Snap support)': sn
 
 check_functions = [
   ['gettid', '#include <unistd.h>', ['-D_GNU_SOURCE'], []],
-  ['memfd_create', '#include <sys/mman.h>', ['-D_GNU_SOURCE'], []],
   ['getrandom', '#include <stddef.h>\n#include <sys/random.h>', ['-D_GNU_SOURCE'], []],
   ['random_r', '#include <stdlib.h>', ['-D_GNU_SOURCE'], []],
   ['reallocarray', '#include <stdlib.h>', ['-D_GNU_SOURCE'], []],
@@ -536,6 +535,10 @@ check_functions = [
   ['malloc_info', '#include <malloc.h>', [], []],
 ]
 
+if host_machine.system() in ['linux']
+  check_functions.append(['memfd_create', '#include <sys/mman.h>', ['-D_GNU_SOURCE'], []])
+endif
+
 foreach f : check_functions
   cdata.set('HAVE_' + f.get(0).to_upper(),
             cc.has_function(f.get(0),