All MESS plugins: compile with -fvisibility=hidden, fixes LADSPA plugins not appearing in list.

Added simpledrums2 (from muse_qt4_evolution).

2 files changed, 7 insertions, 1 deletions

diff --git a/muse2/synti/simpledrums/CMakeLists.txt b/muse2/synti/simpledrums/CMakeLists.txt
index 696389c6..6b015f2b 100644
--- a/muse2/synti/simpledrums/CMakeLists.txt
+++ b/muse2/synti/simpledrums/CMakeLists.txt
@@ -40,7 +40,7 @@ add_library ( simpledrums SHARED
 #
 set_target_properties ( simpledrums
    PROPERTIES PREFIX ""
-   COMPILE_FLAGS "-O6 -include ${PROJECT_BINARY_DIR}/all-pic.h"
+   COMPILE_FLAGS "-O6 -fvisibility=hidden -include ${PROJECT_BINARY_DIR}/all-pic.h"
    )
 
 target_link_libraries(simpledrums
diff --git a/muse2/synti/simpledrums/simpledrums.cpp b/muse2/synti/simpledrums/simpledrums.cpp
index 5a0431a0..8bca91a4 100644
--- a/muse2/synti/simpledrums/simpledrums.cpp
+++ b/muse2/synti/simpledrums/simpledrums.cpp
@@ -1531,6 +1531,12 @@ extern "C"
             MESS_MAJOR_VERSION, MESS_MINOR_VERSION,
             instantiate,
             };
+      // We must compile with -fvisibility=hidden to avoid namespace
+      // conflicts with global variables.
+      // Only visible symbol is "mess_descriptor".
+      // (TODO: all plugins should be compiled this way)
+
+      __attribute__ ((visibility("default")))
       const MESS* mess_descriptor() { return &descriptor; }
       }