diff --git a/scripts/waifulib/strip_on_install.py b/scripts/waifulib/strip_on_install.py
index 6522065..f499d1b 100644
--- a/scripts/waifulib/strip_on_install.py
+++ b/scripts/waifulib/strip_on_install.py
@@ -11,36 +11,65 @@ from waflib import Build, Utils, Context, Errors, Logs
 
 def options(opt):
 	grp = opt.option_groups['install/uninstall options']
-	grp.add_option('--no-strip', dest='no_strip', action='store_true', default=False,
-		help='don\'t strip binaries. You must pass this flag to install command(default: False)')
+	grp.add_option('--strip', dest='strip', action='store_true', default=False,
+		help='strip binaries. You must pass this flag to install command [default: %default]')
+	
+	grp.add_option('--strip-to-file', dest='strip_to_file', action='store_true', default=False,
+		help='strip debug information to file *.debug. Implies --strip. You must pass this flag to install command [default: %default]')
 
 def configure(conf):
 	if conf.env.DEST_BINFMT in ['elf', 'mac-o']:
 		conf.find_program('strip', var='STRIP')
 		if not conf.env.STRIPFLAGS:
 			conf.env.STRIPFLAGS = os.environ['STRIPFLAGS'] if 'STRIPFLAGS' in os.environ else []
+		
+		# a1ba: I am lazy to add `export OBJCOPY=` everywhere in my scripts
+		# so just try to deduce which objcopy we have
+		try:
+			k = conf.env.STRIP[0].rfind('-')
+			if k >= 0:
+				objcopy_name = conf.env.STRIP[0][:k] + '-objcopy'
+				try: conf.find_program(objcopy_name, var='OBJCOPY')
+				except: conf.find_program('objcopy', var='OBJCOPY')
+			else:
+				conf.find_program('objcopy', var='OBJCOPY')
+		except:
+			conf.find_program('objcopy', var='OBJCOPY')
 
 def copy_fun(self, src, tgt):
 	inst_copy_fun(self, src, tgt)
 
-	if self.generator.bld.options.no_strip:
+	if not self.generator.bld.options.strip and not self.generator.bld.options.strip_to_file:
 		return
 
 	if self.env.DEST_BINFMT not in ['elf', 'mac-o']: # don't strip unknown formats or PE
 		return
 
 	if getattr(self.generator, 'link_task', None) and self.generator.link_task.outputs[0] in self.inputs:
-		cmd = self.env.STRIP + self.env.STRIPFLAGS + [tgt]
+		tgt_debug = tgt + '.debug'
+		strip_cmd = self.env.STRIP + self.env.STRIPFLAGS + [tgt]
+		ocopy_cmd = self.env.OBJCOPY + ['--only-keep-debug', tgt, tgt_debug]
+		ocopy_debuglink_cmd = self.env.OBJCOPY + ['--add-gnu-debuglink=%s' % tgt_debug, tgt]
+		c1 = Logs.colors.NORMAL
+		c2 = Logs.colors.CYAN
+		c3 = Logs.colors.YELLOW
+		c4 = Logs.colors.BLUE
 		try:
-			self.generator.bld.cmd_and_log(cmd, output=Context.BOTH, quiet=Context.BOTH)
+			if self.generator.bld.options.strip_to_file:
+				self.generator.bld.cmd_and_log(ocopy_cmd, output=Context.BOTH, quiet=Context.BOTH)
+				if not self.generator.bld.progress_bar:
+					Logs.info('%s+ objcopy --only-keep-debug %s%s%s %s%s%s', c1, c4, tgt, c1, c3, tgt_debug, c1)
+			
+			self.generator.bld.cmd_and_log(strip_cmd, output=Context.BOTH, quiet=Context.BOTH)
 			if not self.generator.bld.progress_bar:
-				c1 = Logs.colors.NORMAL
-				c2 = Logs.colors.CYAN
-
 				f1 = os.path.getsize(src)
 				f2 = os.path.getsize(tgt)
-
 				Logs.info('%s+ strip %s%s%s (%d bytes change)', c1, c2, tgt, c1, f2 - f1)
+				
+			if self.generator.bld.options.strip_to_file:
+				self.generator.bld.cmd_and_log(ocopy_debuglink_cmd, output=Context.BOTH, quiet=Context.BOTH)
+				if not self.generator.bld.progress_bar:
+					Logs.info('%s+ objcopy --add-gnu-debuglink=%s%s%s %s%s%s', c1, c3, tgt_debug, c1, c2, tgt, c1)
 		except Errors.WafError as e:
 			print(e.stdout, e.stderr)