From 6b0402935b16fd721317ba30c6980326b8d7efea Mon Sep 17 00:00:00 2001
From: falkTX <falktx@falktx.com>
Date: Sat, 18 Sep 2021 11:38:03 +0100
Subject: [PATCH] Only export the needed symbols for plugins to work

Signed-off-by: falkTX <falktx@falktx.com>
---
 Makefile.plugins.mk           | 15 ++++++++++++---
 utils/symbols/dssi.version    |  4 ++++
 utils/symbols/ladspa.version  |  4 ++++
 utils/symbols/lv2-dsp.version |  4 ++++
 utils/symbols/lv2-ui.version  |  4 ++++
 utils/symbols/lv2.version     |  4 ++++
 utils/symbols/vst2.version    |  4 ++++
 utils/symbols/vst3.version    |  4 ++++
 8 files changed, 40 insertions(+), 3 deletions(-)
 create mode 100644 utils/symbols/dssi.version
 create mode 100644 utils/symbols/ladspa.version
 create mode 100644 utils/symbols/lv2-dsp.version
 create mode 100644 utils/symbols/lv2-ui.version
 create mode 100644 utils/symbols/lv2.version
 create mode 100644 utils/symbols/vst2.version
 create mode 100644 utils/symbols/vst3.version

diff --git a/Makefile.plugins.mk b/Makefile.plugins.mk
index d057e28c..67c3b2e3 100644
--- a/Makefile.plugins.mk
+++ b/Makefile.plugins.mk
@@ -114,10 +114,19 @@ endif
 ifeq ($(MACOS),true)
 SYMBOLS_LADSPA = -Wl,-exported_symbol,_ladspa_descriptor
 SYMBOLS_DSSI   = -Wl,-exported_symbol,_ladspa_descriptor -Wl,-exported_symbol,_dssi_descriptor
-SYMBOLS_LV2    = -Wl,-exported_symbol,_lv2_descriptor -Wl,-exported_symbol,_lv2_generate_ttl
+SYMBOLS_LV2DSP = -Wl,-exported_symbol,_lv2_descriptor -Wl,-exported_symbol,_lv2_generate_ttl
 SYMBOLS_LV2UI  = -Wl,-exported_symbol,_lv2ui_descriptor
+SYMBOLS_LV2    = $(SYMBOLS_LV2DSP) $(SYMBOLS_LV2UI)
 SYMBOLS_VST2   = -Wl,-exported_symbol,_VSTPluginMain
 SYMBOLS_VST3   = -Wl,-exported_symbol,_GetPluginFactory -Wl,-exported_symbol,_bundleEntry -Wl,-exported_symbol,_bundleExit
+else
+SYMBOLS_LADSPA = -Wl,--version-script=$(DPF_PATH)/utils/symbols/ladspa.version
+SYMBOLS_DSSI   = -Wl,--version-script=$(DPF_PATH)/utils/symbols/dssi.version
+SYMBOLS_LV2DSP = -Wl,--version-script=$(DPF_PATH)/utils/symbols/lv2-dsp.version
+SYMBOLS_LV2UI  = -Wl,--version-script=$(DPF_PATH)/utils/symbols/lv2-ui.version
+SYMBOLS_LV2    = -Wl,--version-script=$(DPF_PATH)/utils/symbols/lv2.version
+SYMBOLS_VST2   = -Wl,--version-script=$(DPF_PATH)/utils/symbols/vst2.version
+SYMBOLS_VST3   = -Wl,--version-script=$(DPF_PATH)/utils/symbols/vst3.version
 endif
 
 # ---------------------------------------------------------------------------------------------------------------------
@@ -337,12 +346,12 @@ $(lv2): $(OBJS_DSP) $(OBJS_UI) $(BUILD_DIR)/DistrhoPluginMain_LV2.cpp.o
 endif
 	-@mkdir -p $(shell dirname $@)
 	@echo "Creating LV2 plugin for $(NAME)"
-	$(SILENT)$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(DGL_LIBS) $(SHARED) $(SYMBOLS_LV2) $(SYMBOLS_LV2UI)  -o $@
+	$(SILENT)$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(DGL_LIBS) $(SHARED) $(SYMBOLS_LV2) -o $@
 
 $(lv2_dsp): $(OBJS_DSP) $(BUILD_DIR)/DistrhoPluginMain_LV2.cpp.o
 	-@mkdir -p $(shell dirname $@)
 	@echo "Creating LV2 plugin library for $(NAME)"
-	$(SILENT)$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(SHARED) $(SYMBOLS_LV2) -o $@
+	$(SILENT)$(CXX) $^ $(BUILD_CXX_FLAGS) $(LINK_FLAGS) $(SHARED) $(SYMBOLS_LV2DSP) -o $@
 
 $(lv2_ui): $(OBJS_UI) $(BUILD_DIR)/DistrhoUIMain_LV2.cpp.o $(DGL_LIB)
 	-@mkdir -p $(shell dirname $@)
diff --git a/utils/symbols/dssi.version b/utils/symbols/dssi.version
new file mode 100644
index 00000000..9c092b0f
--- /dev/null
+++ b/utils/symbols/dssi.version
@@ -0,0 +1,4 @@
+{
+    global: ladspa_descriptor; dssi_descriptor;
+    local: *;
+};
diff --git a/utils/symbols/ladspa.version b/utils/symbols/ladspa.version
new file mode 100644
index 00000000..5764c26c
--- /dev/null
+++ b/utils/symbols/ladspa.version
@@ -0,0 +1,4 @@
+{
+    global: ladspa_descriptor;
+    local: *;
+};
diff --git a/utils/symbols/lv2-dsp.version b/utils/symbols/lv2-dsp.version
new file mode 100644
index 00000000..45aa9e2c
--- /dev/null
+++ b/utils/symbols/lv2-dsp.version
@@ -0,0 +1,4 @@
+{
+    global: lv2_descriptor; lv2_generate_ttl;
+    local: *;
+};
diff --git a/utils/symbols/lv2-ui.version b/utils/symbols/lv2-ui.version
new file mode 100644
index 00000000..8700fd02
--- /dev/null
+++ b/utils/symbols/lv2-ui.version
@@ -0,0 +1,4 @@
+{
+    global: lv2ui_descriptor;
+    local: *;
+};
diff --git a/utils/symbols/lv2.version b/utils/symbols/lv2.version
new file mode 100644
index 00000000..8f213074
--- /dev/null
+++ b/utils/symbols/lv2.version
@@ -0,0 +1,4 @@
+{
+    global: lv2_descriptor; lv2ui_descriptor; lv2_generate_ttl;
+    local: *;
+};
diff --git a/utils/symbols/vst2.version b/utils/symbols/vst2.version
new file mode 100644
index 00000000..7ecf460e
--- /dev/null
+++ b/utils/symbols/vst2.version
@@ -0,0 +1,4 @@
+{
+    global: VSTPluginMain; main;
+    local: *;
+};
diff --git a/utils/symbols/vst3.version b/utils/symbols/vst3.version
new file mode 100644
index 00000000..838c3f75
--- /dev/null
+++ b/utils/symbols/vst3.version
@@ -0,0 +1,4 @@
+{
+    global: GetPluginFactory; InitDll; ExitDll; ModuleEntry; ModuleExit;
+    local: *;
+};