From ce8986c7a1dccfc7cf95adec52b3d767a7b3e525 Mon Sep 17 00:00:00 2001
From: sgehwolf <unknown>
Date: Wed, 19 Jun 2019 19:05:59 +0200
Subject: [PATCH] 8226392: Launcher should not enable legacy stdio streams on
 GNU/Linux (glibc) Summary: Ensure  _IO_stdin_used gets exported via linker
 version script Reviewed-by: andrew, fweimer

---
 make/mapfiles/launchers/mapfile-x86 | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/make/mapfiles/launchers/mapfile-x86 b/make/mapfiles/launchers/mapfile-x86
index dcda7f949..5951e8e49 100644
--- a/make/mapfiles/launchers/mapfile-x86
+++ b/make/mapfiles/launchers/mapfile-x86
@@ -42,6 +42,11 @@ SUNWprivate_1.1 {
 		__fsr;
 		__fsr_init_value;
 		__longdouble_used;
+                # Needs to be global rather than local. Note that _IO_stdin_used
+                # is exported by crt1.o. If it were using 'local' scope instead,
+                # glibc would use a legacy implementation of libio, which isn't
+                # what we want
+                _IO_stdin_used;
 
 	local:
 		*;
-- 
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