Move common rack/plugins external repos to new include/ dir

Signed-off-by: falkTX <falktx@falktx.com>

.gitmodules

@@ -5,10 +5,10 @@
 	path = dpf
 	url = https://github.com/DISTRHO/DPF.git
 [submodule "plugins/Cardinal/mingw-std-threads"]
-	path = src/mingw-std-threads
+	path = include/mingw-std-threads
 	url = https://github.com/meganz/mingw-std-threads.git
 [submodule "plugins/Cardinal/sse2neon"]
-	path = src/sse2neon
+	path = include/sse2neon
 	url = https://github.com/DLTcollab/sse2neon.git
 [submodule "plugins/Fundamental"]
 	path = plugins/Fundamental

plugins/Makefile

@@ -180,8 +180,11 @@ BUILD_C_FLAGS += -std=gnu11
 
 BASE_FLAGS += -I../dpf/dgl/src/nanovg
 BASE_FLAGS += -I../dpf/distrho
+
+BASE_FLAGS += -I../include
+BASE_FLAGS += -I../include/neon-compat
+
 BASE_FLAGS += -I../src
-BASE_FLAGS += -I../src/neon-compat
 BASE_FLAGS += -I../src/Rack/include
 BASE_FLAGS += -I../src/Rack/dep/include
 # BASE_FLAGS += -I../src/Rack/dep/filesystem/include
@@ -191,12 +194,13 @@ BASE_FLAGS += -I../src/Rack/dep/nanosvg/src
 # BASE_FLAGS += -I../src/Rack/dep/osdialog
 BASE_FLAGS += -I../src/Rack/dep/oui-blendish
 BASE_FLAGS += -I../src/Rack/dep/pffft
+
 BASE_FLAGS += -pthread
 
 ifeq ($(WINDOWS),true)
 BASE_FLAGS += -D_USE_MATH_DEFINES
-BASE_FLAGS += -I../src/mingw-compat
-BASE_FLAGS += -I../src/mingw-std-threads
+BASE_FLAGS += -I../include/mingw-compat
+BASE_FLAGS += -I../include/mingw-std-threads
 endif
 
 # --------------------------------------------------------------

src/Makefile

@@ -92,6 +92,8 @@ endif
 
 BASE_FLAGS += -D_APP_VERSION=Cardinal
 BASE_FLAGS += -I../dpf/dgl/src/nanovg
+BASE_FLAGS += -I../include
+BASE_FLAGS += -I../include/neon-compat
 BASE_FLAGS += -IRack/include
 BASE_FLAGS += -IRack/dep/include
 BASE_FLAGS += -IRack/dep/filesystem/include
@@ -101,7 +103,7 @@ BASE_FLAGS += -IRack/dep/nanosvg/src
 BASE_FLAGS += -IRack/dep/osdialog
 BASE_FLAGS += -IRack/dep/oui-blendish
 BASE_FLAGS += -IRack/dep/pffft
-BASE_FLAGS += -Ineon-compat
+
 BASE_FLAGS += -pthread
 
 ifeq ($(WINDOWS),true)