wscript(android,windows): add sdl2 to installation path

inputsystem/wscript

@@ -46,15 +46,6 @@ def build(bld):
 
 	install_path = bld.env.LIBDIR
 
-	# Copy SDL2 dependency
-	if bld.env.DEST_OS == 'win32':
-		bld(
-			rule=(('cp' if 'MSYSTEM' in os.environ or sys.platform != 'win32' else 'copy')+' ${SRC} ${TGT}'),
-			source='../lib/win32/'+bld.env.DEST_CPU+'/SDL2.dll',
-			target='SDL2.dll',
-			install_path=install_path,
-		)
-
 	bld.shlib(
 		source   = source,
 		target   = PROJECT_NAME,

wscript

@@ -591,6 +591,11 @@ def configure(conf):
 def build(bld):
 	os.environ["CCACHE_DIR"] = os.path.abspath('.ccache/'+bld.env.COMPILER_CC+'/'+bld.env.DEST_OS+'/'+bld.env.DEST_CPU)
 
+	if bld.env.DEST_OS in ['win32', 'android']:
+		sdl_name = 'SDL2.dll' if bld.env.DEST_OS == 'win32' else 'libSDL2.so'
+		sdl_path = os.path.join('lib', bld.env.DEST_OS, bld.env.DEST_CPU, sdl_name)
+		bld.install_files('${PREFIX}/', [sdl_path])
+
 	if bld.env.DEST_OS == 'win32':
 		projects['game'] += ['utils/bzip2']
 		projects['dedicated'] += ['utils/bzip2']