From 3d6b5e9c60fde962d2bf5ba86e1bb6f569763f61 Mon Sep 17 00:00:00 2001
From: Martin Mares <mj@ucw.cz>
Date: Mon, 18 Feb 2008 21:31:41 +0100
Subject: [PATCH] Added symbol versioning to the shared library.

---
 lib/Makefile   |  2 +-
 lib/libpci.ver | 12 ++++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)
 create mode 100644 lib/libpci.ver

diff --git a/lib/Makefile b/lib/Makefile
index 1ce2398..acbd420 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -52,7 +52,7 @@ $(PCILIB): $(addsuffix .o,$(OBJS))
 else
 CFLAGS += -fPIC -fvisibility=hidden
 $(PCILIB): $(addsuffix .o,$(OBJS))
-	$(CC) -shared $(SONAME) -o $@ $^ $(LIB_LDLIBS)
+	$(CC) -shared $(SONAME) -Wl,--version-script=libpci.ver -o $@ $^ $(LIB_LDLIBS)
 endif
 
 $(PCILIBPC): libpci.pc.in
diff --git a/lib/libpci.ver b/lib/libpci.ver
new file mode 100644
index 0000000..708fc4a
--- /dev/null
+++ b/lib/libpci.ver
@@ -0,0 +1,12 @@
+/* Version script for the libpci */
+
+/*
+ *  Visibility declarations in the source take precedence over this script,
+ *  so we can boldly declare pci_* as public and still keep the internal
+ *  functions properly hidden.
+ */
+
+LIBPCI_2.2.99 {
+	global: pci_*;
+	local: *;
+};
-- 
2.39.2