Optimize symbol visibility on Linux

Builds/Linux/Makefile

@@ -19,9 +19,9 @@ ifeq ($(CONFIG),Debug)
   endif
 
   CPPFLAGS := $(DEPFLAGS) -D "LINUX=1" -D "DEBUG=1" -D "_DEBUG=1" -D "JUCER_LINUX_MAKE_7346DA2A=1" -D "JUCE_APP_VERSION=0.3.5" -D "JUCE_APP_VERSION_HEX=0x305" -I /usr/include -I /usr/include/freetype2 -I ../../JuceLibraryCode -I ../../JuceLibraryCode/modules
-  CFLAGS += $(CPPFLAGS) $(TARGET_ARCH) -g -ggdb -O3 -rdynamic -g -pg -std=c++0x
+  CFLAGS += $(CPPFLAGS) $(TARGET_ARCH) -g -ggdb -O3 -rdynamic -g -pg -std=c++0x -fvisibility=hidden
   CXXFLAGS += $(CFLAGS)
-  LDFLAGS += $(TARGET_ARCH) -L$(BINDIR) -L$(LIBDIR) -L/usr/X11R6/lib/ -L/usr/local/include -lGL -lX11 -lXext -lXinerama -lasound -ldl -lfreetype -lpthread -lrt -pg -ldl -lXext -lGLU -rdynamic -fPIC
+  LDFLAGS += $(TARGET_ARCH) -L$(BINDIR) -L$(LIBDIR) -L/usr/X11R6/lib/ -L/usr/local/include -lGL -lX11 -lXext -lXinerama -lasound -ldl -lfreetype -lpthread -lrt -pg -ldl -lXext -lGLU -rdynamic -fPIC -fvisibility=hidden
   LDDEPS :=
   RESFLAGS :=  -D "LINUX=1" -D "DEBUG=1" -D "_DEBUG=1" -D "JUCER_LINUX_MAKE_7346DA2A=1" -D "JUCE_APP_VERSION=0.3.5" -D "JUCE_APP_VERSION_HEX=0x305" -I /usr/include -I /usr/include/freetype2 -I ../../JuceLibraryCode -I ../../JuceLibraryCode/modules
   TARGET := open-ephys
@@ -40,9 +40,9 @@ ifeq ($(CONFIG),Release)
   endif
 
   CPPFLAGS := $(DEPFLAGS) -D "LINUX=1" -D "NDEBUG=1" -D "JUCER_LINUX_MAKE_7346DA2A=1" -D "JUCE_APP_VERSION=0.3.5" -D "JUCE_APP_VERSION_HEX=0x305" -I /usr/include -I /usr/include/freetype2 -I ../../JuceLibraryCode -I ../../JuceLibraryCode/modules
-  CFLAGS += $(CPPFLAGS) $(TARGET_ARCH) -O3 -rdynamic -g -pg -std=c++0x
+  CFLAGS += $(CPPFLAGS) $(TARGET_ARCH) -O3 -rdynamic -g -pg -std=c++0x -fvisibility=hidden
   CXXFLAGS += $(CFLAGS)
-  LDFLAGS += $(TARGET_ARCH) -L$(BINDIR) -L$(LIBDIR) -fvisibility=hidden -L/usr/X11R6/lib/ -lGL -lX11 -lXext -lXinerama -lasound -ldl -lfreetype -lpthread -lrt -pg -ldl -lXext -lGLU -rdynamic -fPIC
+  LDFLAGS += $(TARGET_ARCH) -L$(BINDIR) -L$(LIBDIR) -fvisibility=hidden -L/usr/X11R6/lib/ -lGL -lX11 -lXext -lXinerama -lasound -ldl -lfreetype -lpthread -lrt -pg -ldl -lXext -lGLU -rdynamic -fPIC -fvisibility=hidden
   LDDEPS :=
   RESFLAGS :=  -D "LINUX=1" -D "NDEBUG=1" -D "JUCER_LINUX_MAKE_7346DA2A=1" -D "JUCE_APP_VERSION=0.3.5" -D "JUCE_APP_VERSION_HEX=0x305" -I /usr/include -I /usr/include/freetype2 -I ../../JuceLibraryCode -I ../../JuceLibraryCode/modules
   TARGET := open-ephys-release

JuceLibraryCode/modules/juce_core/system/juce_StandardHeader.h

@@ -112,8 +112,8 @@
 #undef max
 #undef min
 
-//Open Ephys addition: For some reason this define doesn't work as an Xcode option
-#if JUCE_MAC
+//Open Ephys addition: For some reason this define doesn't work as an Xcode option. Add it to linux as well
+#if JUCE_MAC || JUCE_LINUX
  #define JUCE_API __attribute__((visibility("default")))
 #endif
 //==============================================================================

open-ephys.jucer

@@ -42,8 +42,9 @@
         <MODULEPATH id="juce_audio_basics" path="JuceLibraryCode/modules"/>
       </MODULEPATHS>
     </XCODE_MAC>
-    <LINUX_MAKE targetFolder="Builds/Linux" vstFolder="~/SDKs/vstsdk2.4" extraLinkerFlags="-pg -ldl -lXext -lGLU -rdynamic -fPIC"
-                extraCompilerFlags="-rdynamic -g -pg -std=c++0x" extraDefs="">
+    <LINUX_MAKE targetFolder="Builds/Linux" vstFolder="~/SDKs/vstsdk2.4" extraLinkerFlags="-pg -ldl -lXext -lGLU -rdynamic -fPIC -fvisibility=hidden"
+                extraCompilerFlags="-rdynamic -g -pg -std=c++0x -fvisibility=hidden"
+                extraDefs="">
       <CONFIGURATIONS>
         <CONFIGURATION name="Debug" isDebug="1" optimisation="3" targetName="open-ephys"
                        libraryPath="/usr/X11R6/lib/&#10;/usr/local/include&#10;" headerPath=""/>