--- tools/ippeveprinter.c	2026-04-28 01:13:21.000000000 +0800
+++ tools/ippeveprinter.c	2026-06-08 21:44:18.000000000 +0800
@@ -38,7 +38,12 @@
 typedef ULONG nfds_t;
 #  define poll WSAPoll
 #else
+#  ifdef __APPLE__
+#    include <crt_externs.h>
+#    define environ (*_NSGetEnviron())
+#  else
 extern char **environ;
+#  endif
 
 #  include <spawn.h>
 #  include <sys/wait.h>

--- scheduler/util.c	2026-04-28 01:13:21.000000000 +0800
+++ scheduler/util.c	2026-06-08 21:44:58.000000000 +0800
@@ -18,7 +18,8 @@
 #include <fcntl.h>
 #ifdef __APPLE__
 #  include <libgen.h>
-extern char **environ;
+#  include <crt_externs.h>
+#  define environ (*_NSGetEnviron())
 #endif /* __APPLE__ */
 
 
--- scheduler/process.c	2026-04-28 01:13:21.000000000 +0800
+++ scheduler/process.c	2026-06-08 21:46:45.000000000 +0800
@@ -20,7 +20,12 @@
 #endif /* __APPLE__ */
 #ifdef HAVE_POSIX_SPAWN
 #  include <spawn.h>
-extern char **environ;
+#  ifdef __APPLE__
+#    include <crt_externs.h>
+#    define environ (*_NSGetEnviron())
+#  else
+    extern char **environ;
+#  endif
 /* Don't use posix_spawn on systems with bugs in their implementations... */
 #  if defined(OpenBSD) && OpenBSD < 201505
 #    define USE_POSIX_SPAWN 0

--- cups/tls-darwin.h	2026-04-28 01:13:21.000000000 +0800
+++ cups/tls-darwin.h	2026-06-08 21:47:30.000000000 +0800
@@ -10,7 +10,8 @@
 
 /**** This file is included from tls-darwin.c ****/
 
-extern char **environ;
+#include <crt_externs.h>
+#define environ (*_NSGetEnviron())
 
 #ifndef _SECURITY_VERSION_GREATER_THAN_57610_
 typedef CF_OPTIONS(uint32_t, SecKeyUsage) {