diff --git a/Android.mk b/Android.mk
old mode 100755
new mode 100644
diff --git a/Makefile.os2 b/Makefile.os2
index e79f7953f..72186a7aa 100644
--- a/Makefile.os2
+++ b/Makefile.os2
@@ -25,7 +25,7 @@ CFLAGS+= -wx
 CFLAGS+= -bd
 # the include paths :
 CFLAGS+= $(INCPATH)
-# building SDL itself:
+# building SDL itself (for DECLSPEC):
 CFLAGS+= -DBUILD_SDL
 
 MSRCS= e_atan2.c e_exp.c e_fmod.c e_log10.c e_log.c e_pow.c e_rem_pio2.c e_sqrt.c &
diff --git a/test/Makefile.os2 b/test/Makefile.os2
new file mode 100644
index 000000000..59866a056
--- /dev/null
+++ b/test/Makefile.os2
@@ -0,0 +1,91 @@
+BINPATH = .
+
+TARGETS = testatomic.exe testdisplayinfo.exe testbounds.exe testdraw2.exe &
+          testdrawchessboard.exe testdropfile.exe testerror.exe testfile.exe &
+          testfilesystem.exe testgamecontroller.exe testgesture.exe &
+          testhittesting.exe testhotplug.exe testiconv.exe testime.exe &
+          testintersections.exe testjoystick.exe testkeys.exe testloadso.exe &
+          testlock.exe testmessage.exe testoverlay2.exe testplatform.exe &
+          testpower.exe testsensor.exe testrelative.exe testrendercopyex.exe &
+          testrendertarget.exe testrumble.exe testscale.exe testsem.exe &
+          testshader.exe testshape.exe testsprite2.exe testspriteminimal.exe &
+          teststreaming.exe testthread.exe testtimer.exe testver.exe &
+          testviewport.exe testwm2.exe torturethread.exe checkkeys.exe &
+          controllermap.exe testhaptic.exe testqsort.exe testresample.exe &
+          testaudioinfo.exe testaudiocapture.exe loopwave.exe loopwavequeue.exe &
+          testyuv.exe testgl2.exe testvulkan.exe testautomation.exe
+
+# SDL2test.lib sources (../src/test)
+
+CSRCS = SDL_test_assert.c SDL_test_common.c SDL_test_compare.c &
+        SDL_test_crc32.c SDL_test_font.c SDL_test_fuzzer.c SDL_test_harness.c &
+        SDL_test_imageBlit.c SDL_test_imageBlitBlend.c SDL_test_imageFace.c &
+        SDL_test_imagePrimitives.c SDL_test_imagePrimitivesBlend.c &
+        SDL_test_log.c SDL_test_md5.c SDL_test_random.c SDL_test_memory.c
+TESTLIB = SDL2test.lib
+
+# testautomation sources
+
+TASRCS = testautomation.c testautomation_audio.c testautomation_clipboard.c &
+         testautomation_events.c testautomation_hints.c &
+         testautomation_keyboard.c testautomation_main.c &
+         testautomation_mouse.c testautomation_pixels.c &
+         testautomation_platform.c testautomation_rect.c &
+         testautomation_render.c testautomation_rwops.c &
+         testautomation_sdltest.c testautomation_stdlib.c &
+         testautomation_surface.c testautomation_syswm.c &
+         testautomation_timer.c testautomation_video.c
+
+OBJS = $(TARGETS:.exe=.obj)
+COBJS = $(CSRCS:.c=.obj)
+TAOBJS = $(TASRCS:.c=.obj)
+
+all: $(TARGETS)
+
+INCPATH = -I$(%WATCOM)/h/os2 -I$(%WATCOM)/h -I../include
+
+CFLAGS = $(INCPATH) -bt=os2 -d0 -q -bm -5s -fp5 -fpi87 -sg -oteanbmier -ei
+
+LIBPATH = ..
+LIBS    = SDL2.lib $(TESTLIB)
+
+#CFLAGS+= -DHAVE_SDL_TTF
+#LIBS_TTF = SDL2ttf.lib
+
+.c: ../src/test
+
+$(TESTLIB): $(COBJS)
+  wlib -q -b -n $@ $(COBJS)
+
+.obj.exe:
+  @%make $(TESTLIB)
+  wlink SYS os2v2 libpath $(LIBPATH) lib {$(LIBS)} op q op el file {$<} name $@
+
+.c.obj:
+  wcc386 $(CFLAGS) -wcd=107 -fo=$^@ $<
+
+# specials
+testautomation.exe: $(TAOBJS)
+  @%make $(TESTLIB)
+  wlink SYS os2v2 libpath $(LIBPATH) lib {$(LIBS)} op q op el file {$<} name $@
+
+testoverlay2.exe: testoverlay2.obj testyuv_cvt.obj
+  @%make $(TESTLIB)
+  wlink SYS os2v2 libpath $(LIBPATH) lib {$(LIBS)} op q op el file {$<} name $@
+
+testyuv.exe: testyuv.obj testyuv_cvt.obj
+  @%make $(TESTLIB)
+  wlink SYS os2v2 libpath $(LIBPATH) lib {$(LIBS)} op q op el file {$<} name $@
+
+testime.exe: testime.obj
+  @%make $(TESTLIB)
+  wlink SYS os2v2 libpath $(LIBPATH) lib {$(LIBS) $(LIBS_TTF)} op q op el file {$<} name $@
+
+clean: .SYMBOLIC
+  @echo * Clean tests in $(BINPATH)
+  @if exist *.obj rm *.obj
+  @if exist *.err rm *.err
+
+distclean: .SYMBOLIC clean
+  @if exist *.exe rm *.exe
+  @if exist $(TESTLIB) rm $(TESTLIB)