From: Bruno Haible <bruno@clisp.org>
Date: Tue, 9 Sep 2025 10:46:57 +0000 (+0200)
Subject: unsetenv: Remove support for OSF/1.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2f85a7933139f7cc33caae189c6b7d203cf99c0f;p=thirdparty%2Fgnulib.git

unsetenv: Remove support for OSF/1.

* m4/setenv.m4 (gl_FUNC_UNSETENV): Remove workaround for OSF/1.
---

diff --git a/ChangeLog b/ChangeLog
index f1a88b2205..befb9aed03 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2025-09-09  Bruno Haible  <bruno@clisp.org>
 
+	unsetenv: Remove support for OSF/1.
+	* m4/setenv.m4 (gl_FUNC_UNSETENV): Remove workaround for OSF/1.
+
 	remainderl-ieee: Remove support for OSF/1.
 	* m4/remainderl.m4 (gl_FUNC_REMAINDERL): Don't test against OSF/1 bug.
 
diff --git a/m4/setenv.m4 b/m4/setenv.m4
index 727e35aff3..3961275028 100644
--- a/m4/setenv.m4
+++ b/m4/setenv.m4
@@ -1,5 +1,5 @@
 # setenv.m4
-# serial 35
+# serial 36
 dnl Copyright (C) 2001-2004, 2006-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -85,8 +85,6 @@ AC_DEFUN([gl_FUNC_UNSETENV],
       [AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
             [[
-#undef _BSD
-#define _BSD 1 /* unhide unsetenv declaration in OSF/1 5.1 <stdlib.h> */
 #include <stdlib.h>
 extern
 #ifdef __cplusplus