diff --git a/sdl2/Makefile b/sdl2/Makefile
index 35a934b4..ff748f58 100644
--- a/sdl2/Makefile
+++ b/sdl2/Makefile
@@ -2,18 +2,29 @@
 
 O = o
 
+ifndef PDCURSES_SRCDIR
+	PDCURSES_SRCDIR	= ..
+endif
+
+osdir		= $(PDCURSES_SRCDIR)/sdl2
+common		= $(PDCURSES_SRCDIR)/common
+
+include $(common)/libobjs.mif
+
 ifeq ($(OS),Windows_NT)
 	E = .exe
 	CC = gcc
 	RM = cmd /c del
 
+	include $(osdir)/versions.mif
+
 	PLATFORM = $(shell $(CC) -dumpmachine)
 
-	SFLAGS = -Ic:/sdl2-2.0.9/$(PLATFORM)/include/SDL2
-	SLIBS = -Lc:/sdl2-2.0.9/$(PLATFORM)/lib -lSDL2main -lSDL2
+	SFLAGS = -I$(SDLBASE)/$(PLATFORM)/include/SDL2
+	SLIBS = -L$(SDLBASE)/$(PLATFORM)/lib -lSDL2main -lSDL2
 
-	TFLAGS = -Ic:/sdl2_ttf-2.0.15/$(PLATFORM)/include/SDL2
-	TLIBS =-Lc:/sdl2_ttf-2.0.15/$(PLATFORM)/lib -lSDL2_ttf
+	TFLAGS = -I$(TTFBASE)/$(PLATFORM)/include/SDL2
+	TLIBS =-L$(TTFBASE)/$(PLATFORM)/lib -lSDL2_ttf
 
 	DEMOFLAGS = -mwindows
 else
@@ -25,15 +36,6 @@ else
 	TLIBS = -lSDL2_ttf
 endif
 
-ifndef PDCURSES_SRCDIR
-	PDCURSES_SRCDIR	= ..
-endif
-
-osdir		= $(PDCURSES_SRCDIR)/sdl2
-common		= $(PDCURSES_SRCDIR)/common
-
-include $(common)/libobjs.mif
-
 PDCURSES_SDL_H	= $(osdir)/pdcsdl.h
 
 ifeq ($(DEBUG),Y)
diff --git a/sdl2/Makefile.vc b/sdl2/Makefile.vc
index 5143295c..3f451d7d 100644
--- a/sdl2/Makefile.vc
+++ b/sdl2/Makefile.vc
@@ -10,19 +10,20 @@ O = obj
 E = .exe
 RM = del
 
-SDL2_INCLUDE = -IC:\SDL2-2.0.9\include
-SDL2_LIB = C:\SDL2-2.0.9\lib\$(PLATFORM)\SDL2.lib
-SDL2_LIBMAIN = C:\SDL2-2.0.9\lib\$(PLATFORM)\SDL2main.lib
-
 !ifndef PDCURSES_SRCDIR
 PDCURSES_SRCDIR = ..
 !endif
 
-!include $(PDCURSES_SRCDIR)\common\libobjs.mif
-
 osdir		= $(PDCURSES_SRCDIR)\sdl2
 common		= $(PDCURSES_SRCDIR)\common
 
+!include $(common)\libobjs.mif
+!include $(osdir)\versions.mif
+
+SDL2_INCLUDE = -I$(SDLBASE)\include
+SDL2_LIB = $(SDLBASE)\lib\$(PLATFORM)\SDL2.lib
+SDL2_LIBMAIN = $(SDLBASE)\lib\$(PLATFORM)\SDL2main.lib
+
 PDCURSES_WIN_H	= $(osdir)\pdcsdl.h
 
 CC		= cl.exe -nologo
@@ -37,8 +38,8 @@ LDFLAGS		=
 
 !ifdef WIDE
 WIDEOPT		= -DPDC_WIDE
-TTF_INCLUDE	= -IC:\SDL2_ttf-2.0.15\include
-TTF_LIB		= C:\SDL2_ttf-2.0.15\lib\$(PLATFORM)\SDL2_ttf.lib
+TTF_INCLUDE	= -I$(TTFBASE)\include
+TTF_LIB		= $(TTFBASE)\lib\$(PLATFORM)\SDL2_ttf.lib
 !endif
 
 !ifdef UTF8
diff --git a/sdl2/versions.mif b/sdl2/versions.mif
new file mode 100644
index 00000000..931e07e8
--- /dev/null
+++ b/sdl2/versions.mif
@@ -0,0 +1,2 @@
+SDLBASE = C:\SDL2-2.0.9
+TTFBASE = C:\SDL2_ttf-2.0.15