Use GL3, fixes macOS setup

Makefile

@@ -11,7 +11,7 @@ all: dgl plugins gen
 # --------------------------------------------------------------
 
 dgl:
-	$(MAKE) -C dpf/dgl
+	$(MAKE) -C dpf/dgl USE_OPENGL3=true
 
 plugins: dgl
 	$(MAKE) all -C plugins/ProM

dpf

@@ -1 +1 @@
-Subproject commit 3c37d4c096dd4decac225c62ca78a0d7526a18ed
+Subproject commit 9b838a67d2e07ea72c198e291f7eb654fef541fd

plugins/ProM/DistrhoUIProM.cpp

@@ -97,9 +97,9 @@ void DistrhoUIProM::uiReshape(uint width, uint height)
 #else
         projectM::Settings settings;
         settings.presetURL    = "./plugins/ProM/projectM/presets";
-        settings.titleFontURL = "./plugins/ProM/projectM/fonts/Vera.ttf";
-        settings.menuFontURL  = "./plugins/ProM/projectM/fonts/VeraMono.ttf";
-        settings.datadir      = "./plugins/ProM/projectM/";
+        settings.titleFontURL = "fonts/Vera.ttf";
+        settings.menuFontURL  = "fonts/VeraMono.ttf";
+        // settings.datadir      = "./plugins/ProM/projectM/";
         fPM = new projectM(settings);
 #endif
     }

plugins/ProM/Makefile

@@ -139,8 +139,7 @@ BASE_FLAGS += -DSTDC_HEADERS=1
 # BASE_FLAGS += -DUSE_GLES=1
 BASE_FLAGS += -DUSE_THREADS=1
 # self-contained build
-# FIXME
-BASE_FLAGS += -DDATADIR_PATH='"./plugins/ProM/projectM/"'
+BASE_FLAGS += -DDATADIR_PATH='"."'
 # silence projectM warnings
 BASE_FLAGS += -Wno-constant-conversion
 BASE_FLAGS += -Wno-delete-non-abstract-non-virtual-dtor
@@ -152,7 +151,6 @@ BASE_FLAGS += -Wno-unused-variable
 # maybe maybe
 # projectm_mac
 # -fopenmp
-# -DPROJECTM_STATIC_DEFINE
 endif
 
 LINK_FLAGS += -lpthread