Subject: [PATCH] core: Declare environ for macOS and others.
---
Index: src/spawn-posix.c
IDEA additional info:
Subsystem: com.intellij.openapi.diff.impl.patch.CharsetEP
<+>UTF-8
===================================================================
diff --git a/src/spawn-posix.c b/src/spawn-posix.c
--- a/src/spawn-posix.c	(revision d18e28a948307fab016b1eed467a70653ca9576e)
+++ b/src/spawn-posix.c	(revision a59e902b887fd92337c9728f668cf9c89da3957a)
@@ -57,6 +57,9 @@
 
 #include "gpgrt-int.h"
 
+/* (Only glibc's unistd.h declares this iff _GNU_SOURCE is used.)  */
+extern char **environ;
+
 
 /* Definition for the gpgrt_spawn_actions_t.  Note that there is a
  * different one for Windows.  */