$NetBSD: patch-bc,v 1.4 2018/01/01 06:56:01 ryoon Exp $

--- lib/misc/posixPosix.c.orig	2017-12-15 19:09:51.000000000 +0000
+++ lib/misc/posixPosix.c
@@ -52,7 +52,7 @@
 #include <spawn.h>
 extern char **environ;
 #endif
-#elif defined(__FreeBSD__)
+#elif defined(__FreeBSD__) || defined(__NetBSD__)
 #include <sys/param.h>
 #include <sys/mount.h>
 #elif defined(sun)
@@ -70,7 +70,7 @@ extern char **environ;
 #define VM_SYSTEM_HAS_GETGRNAM_R 1
 #endif
 
-# if defined(__FreeBSD__)
+# if defined(__FreeBSD__) || defined(__NetBSD__)
 #  include <sys/syslimits.h>  // PATH_MAX
 # else
 #  include <limits.h>  // PATH_MAX
@@ -1635,7 +1635,7 @@ Posix_Putenv(char *name)  // IN:
 }
 
 
-#if !defined(sun) // {
+#if !defined(sun) && !defined(__NetBSD__) // {
 
 /*
  *----------------------------------------------------------------------
@@ -1806,7 +1806,7 @@ Posix_Unsetenv(const char *name)  // IN:
 
 #if !defined(sun) // {
 
-#if !defined(__APPLE__) && !defined(__FreeBSD__) // {
+#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__) // {
 /*
  *----------------------------------------------------------------------
  *