From 401f6c2b8c84076a683d72e29f1db57c121c3d74 Mon Sep 17 00:00:00 2001
From: Thomas Haller <thaller@redhat.com>
Date: Wed, 12 Oct 2016 11:16:20 +0200
Subject: [PATCH] iface-helper/build: add linker version script

---
 Makefile.am              | 1 +
 linker-script-binary.ver | 6 ++++++
 src/Makefile.am          | 3 ++-
 3 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 linker-script-binary.ver

diff --git a/Makefile.am b/Makefile.am
index 0d52b008a..dd818fa81 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -34,6 +34,7 @@ EXTRA_DIST = \
 	intltool-extract.in \
 	intltool-merge.in \
 	intltool-update.in \
+	linker-script-binary.ver \
 	linker-script-settings.ver \
 	Makefile.glib \
 	autogen.sh \
diff --git a/linker-script-binary.ver b/linker-script-binary.ver
new file mode 100644
index 000000000..a2780c090
--- /dev/null
+++ b/linker-script-binary.ver
@@ -0,0 +1,6 @@
+{
+global:
+	_IO_stdin_used;
+local:
+	*;
+};
diff --git a/src/Makefile.am b/src/Makefile.am
index e1a051034..e0633d4c2 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -595,7 +595,8 @@ nm_iface_helper_LDADD = \
 	$(LIBM)
 
 nm_iface_helper_LDFLAGS = \
-	-rdynamic
+	-rdynamic \
+	-Wl,--version-script="$(top_srcdir)/linker-script-binary.ver"
 
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