os2: remove SDL_hidapi duplications in makefile, disable it in config.
diff --git a/Makefile.os2 b/Makefile.os2
index 2cbe659..2addaed 100644
--- a/Makefile.os2
+++ b/Makefile.os2
@@ -60,9 +60,7 @@ SRCS+= SDL_syscond.c SDL_sysmutex.c SDL_syssem.c SDL_systhread.c SDL_systls.c
SRCS+= SDL_systimer.c
SRCS+= SDL_sysloadso.c
SRCS+= SDL_sysfilesystem.c
-SRCS+= SDL_os2joystick.c SDL_syshaptic.c SDL_sysjoystick.c
-SRCS+= SDL_virtualjoystick.c
-SRCS+= SDL_hidapi.c
+SRCS+= SDL_os2joystick.c SDL_syshaptic.c SDL_sysjoystick.c SDL_virtualjoystick.c
SRCS+= SDL_hidapijoystick.c SDL_hidapi_rumble.c SDL_hidapi_gamecube.c SDL_hidapi_luna.c SDL_hidapi_ps4.c SDL_hidapi_ps5.c SDL_hidapi_stadia.c SDL_hidapi_switch.c SDL_hidapi_xbox360.c SDL_hidapi_xbox360w.c SDL_hidapi_xboxone.c SDL_hidapi_steam.c
SRCS+= SDL_dummyaudio.c SDL_diskaudio.c
SRCS+= SDL_nullvideo.c SDL_nullframebuffer.c SDL_nullevents.c
@@ -83,7 +81,7 @@ MOBJS= $(MSRCS:.c=.obj)
.extensions:
.extensions: .lib .dll .obj .c .asm
-.c: ./src;./src/dynapi;./src/audio;./src/cpuinfo;./src/events;./src/file;./src/haptic;./src/hidapi;./src/joystick;./src/power;./src/render;./src/render/software;./src/sensor;./src/stdlib;./src/thread;./src/timer;./src/video;./src/video/yuv2rgb;./src/atomic;./src/audio/disk;
+.c: ./src;./src/dynapi;./src/audio;./src/cpuinfo;./src/events;./src/file;./src/haptic;./src/joystick;./src/power;./src/render;./src/render/software;./src/sensor;./src/stdlib;./src/thread;./src/timer;./src/video;./src/video/yuv2rgb;./src/atomic;./src/audio/disk;
.c: ./src/haptic/dummy;./src/joystick/dummy;./src/joystick/virtual;./src/audio/dummy;./src/video/dummy;./src/sensor/dummy;
.c: ./src/core/os2;./src/core/os2/geniconv;./src/audio/os2;./src/loadso/os2;./src/filesystem/os2;./src/joystick/os2;./src/thread/os2;./src/timer/os2;./src/video/os2;
.c: ./src/locale/;./src/locale/unix;./src/misc;./src/misc/dummy;./src/joystick/hidapi;./src/hidapi
diff --git a/include/SDL_config_os2.h b/include/SDL_config_os2.h
index 5835c91..516ab6d 100644
--- a/include/SDL_config_os2.h
+++ b/include/SDL_config_os2.h
@@ -38,6 +38,7 @@
#define SDL_VIDEO_DRIVER_DUMMY 1
#define SDL_VIDEO_DRIVER_OS2 1
#define SDL_JOYSTICK_OS2 1
+#define SDL_DISABLE_HIDAPI 1
/*#undef SDL_JOYSTICK_HIDAPI */
/*#undef SDL_JOYSTICK_VIRTUAL */