diff --git a/lib/sysinit/nsssysinit.c b/lib/sysinit/nsssysinit.c
--- a/lib/sysinit/nsssysinit.c
+++ b/lib/sysinit/nsssysinit.c
@@ -1,11 +1,15 @@
 /* This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#define _GNU_SOURCE 1
+#include <stdlib.h>
+
 #include "seccomon.h"
 #include "prio.h"
 #include "prprf.h"
 #include "plhash.h"
 #include "prenv.h"
 
 /*
  * The following provides a default example for operating systems to set up
@@ -37,17 +41,17 @@ testdir(char *dir)
     return S_ISDIR(buf.st_mode);
 }
 
 #define NSS_USER_PATH1 "/.pki"
 #define NSS_USER_PATH2 "/nssdb"
 static char *
 getUserDB(void)
 {
-    char *userdir = PR_GetEnvSecure("HOME");
+    char *userdir = secure_getenv("HOME");
     char *nssdir = NULL;
 
     if (userdir == NULL) {
         return NULL;
     }
 
     nssdir = PORT_Alloc(strlen(userdir) + sizeof(NSS_USER_PATH1) + sizeof(NSS_USER_PATH2));
     if (nssdir == NULL) {
@@ -129,17 +133,17 @@ userCanModifySystemDB()
 #else
 #error "Need to write getUserDB, SystemDB, userIsRoot, and userCanModifySystemDB functions"
 #endif
 #endif
 
 static PRBool
 getFIPSEnv(void)
 {
-    char *fipsEnv = PR_GetEnvSecure("NSS_FIPS");
+    char *fipsEnv = secure_getenv("NSS_FIPS");
     if (!fipsEnv) {
         return PR_FALSE;
     }
     if ((strcasecmp(fipsEnv, "fips") == 0) ||
         (strcasecmp(fipsEnv, "true") == 0) ||
         (strcasecmp(fipsEnv, "on") == 0) ||
         (strcasecmp(fipsEnv, "1") == 0)) {
         return PR_TRUE;