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$NetBSD: patch-glib_genviron.c,v 1.2 2020/03/04 15:11:48 wiz Exp $
Avoid the build failure with Clang on FreeBSD (see PR 54752).
Set environ as a weak symbol (thanks to Joerg).
--- glib/genviron.c.orig 2020-02-27 16:12:52.000000000 +0000
+++ glib/genviron.c
@@ -329,8 +329,12 @@ g_setenv (const gchar *variable,
/* According to the Single Unix Specification, environ is not
* in any system header, although unistd.h often declares it.
*/
+#if defined(__FreeBSD__)
+extern __attribute__((__weak__)) char **environ;
+#else
extern char **environ;
#endif
+#endif
/**
* g_unsetenv:
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