From: rcombs <rcombs@sq18.sfeng.sourcefire.com>
Date: Thu, 4 Dec 2014 05:35:40 +0000 (-0500)
Subject: fix visibility for extras (i hope)
X-Git-Tag: 3.0.0-233~1111^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d03f7c29f902b9f35a40f85dfb726bbf3e7d7b97;p=thirdparty%2Fsnort3.git

fix visibility for extras (i hope)
---

diff --git a/extra/CMakeLists.txt b/extra/CMakeLists.txt
index 6ad44abcc..492a18545 100644
--- a/extra/CMakeLists.txt
+++ b/extra/CMakeLists.txt
@@ -38,8 +38,15 @@ else (BUILD_EXTRA_PLUGINS)
     message(STATUS "${CMAKE_CXX_FLAGS}")
 
 
-    # Some shared library flags for the two platforms which I am using
     include(CheckCXXCompilerFlag)
+    set (CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
+    check_cxx_compiler_flag ("" HAVE_VISIBILITY)
+    if (HAVE_VISIBILITY)
+        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHAVE_VISIBILITY")
+    endif ()
+    unset(CMAKE_REQUIRED_FLAGS)
+
+    # Some shared library flags for the two platforms which I am using
     set(CMAKE_REQUIRED_FLAGS "-Wl,-undefined,dynamic_lookup")
     check_cxx_compiler_flag("" HAVE_DYNAMIC_LOOKUP)
     if(HAVE_DYNAMIC_LOOKUP)