Index: zynaddsubfx-2.5.4/src/CMakeLists.txt
===================================================================
--- zynaddsubfx-2.5.4/src/CMakeLists.txt
+++ zynaddsubfx-2.5.4/src/CMakeLists.txt	2016-08-14 18:11:21.644166093 +0200
@@ -272,6 +272,8 @@
     if (SUPPORT_NEON AND NOT NoNeonPlease)
 		set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${BuildOptions_NEON}")
 	endif (SUPPORT_NEON AND NOT NoNeonPlease)
+
+	set (CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} ${CMAKE_CXX_FLAGS}")
 	
 	message (STATUS "Building for ${CMAKE_BUILD_TYPE}, flags: ${CMAKE_CXX_FLAGS_RELEASE}")
 endif (BuildForDebug)
Index: zynaddsubfx-2.5.4/ExternalPrograms/Controller/Makefile
===================================================================
--- zynaddsubfx-2.5.4/ExternalPrograms/Controller/Makefile
+++ zynaddsubfx-2.5.4/ExternalPrograms/Controller/Makefile	2016-08-14 17:17:00.469895502 +0200
@@ -1,17 +1,17 @@
 controller: main.o Controller.o ControllerUI.o
-	gcc -o controller *.o `fltk-config --ldflags` -lasound -lpthread -lm -lstdc++
+	gcc $(CFLAGS) -o controller *.o `fltk-config --ldflags` $(LDFLAGS) -lasound -lpthread -lm -lstdc++
 
 ControllerUI.cxx ControllerUI.h: ControllerUI.fl
 	fluid -c ControllerUI.fl
 
 ControllerUI.o: ControllerUI.cxx ControllerUI.h
-	gcc `fltk-config --cflags` -c ControllerUI.cxx -o ControllerUI.o
+	gcc `fltk-config --cflags` $(CFLAGS) -c ControllerUI.cxx -o ControllerUI.o
 
 Controller.o: Controller.C Controller.h
-	gcc `fltk-config --cflags` -c Controller.C -o Controller.o
+	gcc `fltk-config --cflags` $(CFLAGS) -c Controller.C -o Controller.o
 
 main.o: main.C Controller.h ControllerUI.h
-	gcc `fltk-config --cflags` -c main.C -o main.o
+	gcc `fltk-config --cflags` $(CFLAGS) -c main.C -o main.o
 
 clean:
 	rm -f *.o controller ControllerUI.cxx ControllerUI.h 
Index: zynaddsubfx-2.5.4/ExternalPrograms/Spliter/Makefile
===================================================================
--- zynaddsubfx-2.5.4/ExternalPrograms/Spliter/Makefile
+++ zynaddsubfx-2.5.4/ExternalPrograms/Spliter/Makefile	2016-08-14 17:16:44.817588811 +0200
@@ -1,17 +1,17 @@
 spliter: main.o Spliter.o SpliterUI.o
-	gcc -o spliter *.o `fltk-config --ldflags` -lasound -lstdc++
+	gcc $(CFLAGS) -o spliter *.o `fltk-config --ldflags` $(LDFLAGS) -lasound -lstdc++
 
 SplitterUI.cxx SpliterUI.h: SpliterUI.fl
 	fluid -c SpliterUI.fl
 
 SpliterUI.o: SplitterUI.cxx SpliterUI.h
-	gcc -g `fltk-config --cflags` -c SpliterUI.cxx -o SpliterUI.o
+	gcc -g `fltk-config --cflags` $(CFLAGS) -c SpliterUI.cxx -o SpliterUI.o
 
 Spliter.o: Spliter.C Spliter.h
-	gcc -g `fltk-config --cflags` -c Spliter.C -o Spliter.o
+	gcc -g `fltk-config --cflags` $(CFLAGS) -c Spliter.C -o Spliter.o
 
 main.o: main.C Spliter.h SpliterUI.h
-	gcc -g `fltk-config --cflags` -c main.C -o main.o
+	gcc -g `fltk-config --cflags` $(CFLAGS) -c main.C -o main.o
 
 clean:
 	rm -f *.o spliter SpliterUI.cxx SpliterUI.h