From a80ec2e0bf26d8a5d62dee3bb4eb40f1a182571a Mon Sep 17 00:00:00 2001
From: Andrew Johnson <anj@aps.anl.gov>
Date: Tue, 7 Aug 2012 12:35:12 -0500
Subject: [PATCH] cap5: Fix symbol export when using -fvisibility=hidden

The boot_Cap5 symbol must be exported for the module to load.
---
 src/ca/client/perl/Cap5.xs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ca/client/perl/Cap5.xs b/src/ca/client/perl/Cap5.xs
index 3cc25c68b..54ce8decb 100644
--- a/src/ca/client/perl/Cap5.xs
+++ b/src/ca/client/perl/Cap5.xs
@@ -1222,6 +1222,13 @@ PROTOTYPES: DISABLE
 
 BOOT:
     p5_ctx = Perl_get_context();
+    /* Ensure that the generated boot_Cap5 function is visible
+     * outside of the libCap5.so shared library when compiling
+     * with GCC4+ and -fvisibility=hidden is used.
+     */
+    #if __GNUC__ >= 4
+    #pragma GCC visibility push(default)
+    #endif
 
 
 SV *