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authoriains <iains@138bc75d-0d04-0410-961f-82ee72b054a4>2015-10-18 10:33:37 +0000
committeriains <iains@138bc75d-0d04-0410-961f-82ee72b054a4>2015-10-18 10:33:37 +0000
commitfff1535d51bca70449fbdca481abd42a44974648 (patch)
tree5fc208bc3baf41e825404c97445ff45b58f1f042 /include
parentbc36279171963c2495f0fab3c63a1333c4adc42f (diff)
downloadgcc-fff1535d51bca70449fbdca481abd42a44974648.tar.gz
Fix PR63758 by using the _NSGetEnviron() API on Darwin
include/ Roland McGrath <roland@gnu.org> PR other/63758 * environ.h: New file. libiberty/ Roland McGrath <roland@gnu.org> Iain Sandoe <iain@codesourcery.com> PR other/63758 * pex-unix.c: Obtain the environment interface from settings in environ.h rather than in-line code. Update copyright date. * setenv.c: Likewise. * xmalloc.c: Likewise. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@228942 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'include')
-rw-r--r--include/ChangeLog5
-rw-r--r--include/environ.h33
2 files changed, 38 insertions, 0 deletions
diff --git a/include/ChangeLog b/include/ChangeLog
index bfec2588e53..583a2e193ef 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2015-10-18 Roland McGrath <roland@gnu.org>
+
+ PR other/63758
+ * environ.h: New file.
+
2015-10-13 Jakub Jelinek <jakub@redhat.com>
Ilya Verbin <ilya.verbin@intel.com>
diff --git a/include/environ.h b/include/environ.h
new file mode 100644
index 00000000000..c18902ba5b4
--- /dev/null
+++ b/include/environ.h
@@ -0,0 +1,33 @@
+/* Declare the environ system variable.
+ Copyright (C) 2015 Free Software Foundation, Inc.
+
+This file is part of the libiberty library.
+Libiberty is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public
+License as published by the Free Software Foundation; either
+version 2 of the License, or (at your option) any later version.
+
+Libiberty is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with libiberty; see the file COPYING.LIB. If not,
+write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
+Boston, MA 02110-1301, USA. */
+
+/* On OSX, the environ variable can be used directly in the code of an
+ executable, but cannot be used in the code of a shared library (such as
+ GCC's liblto_plugin, which links in libiberty code). Instead, the
+ function _NSGetEnviron can be called to get the address of environ. */
+
+#ifndef HAVE_ENVIRON_DECL
+# ifdef __APPLE__
+# include <crt_externs.h>
+# define environ (*_NSGetEnviron ())
+# else
+extern char **environ;
+# endif
+# define HAVE_ENVIRON_DECL
+#endif