tracertools: remove usleep usage

usleep is deprecated.

Modernized the Makefile to modern standards.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>

utils/tracertools/Makefile

@@ -8,20 +8,20 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=tracertools
-PKG_VERSION:=20160308
-PKG_RELEASE=$(PKG_SOURCE_VERSION)
-PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
-
-PKG_LICENSE:=GPL-3.0
+PKG_RELEASE:=1
 
 PKG_SOURCE_PROTO:=git
-PKG_SOURCE_URL:=https://github.com/dangowrt/tracertools.git
-PKG_SOURCE_VERSION:=28d0bb9a10a0b56b4964e3256135cfd152075a59
-PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
-PKG_MIRROR_HASH:=aac4f73d7d606b54e58f0ebc4b1cd1d86b29914d8c924c97c81501a677d91451
+PKG_SOURCE_URL:=https://github.com/dangowrt/tracertools
+PKG_SOURCE_DATE:=2020-08-16
+PKG_SOURCE_VERSION:=d8acfcad1fdf44cd76b8ba9014326f0db6e582d5
+PKG_MIRROR_HASH:=db0748a58385aa600d147d0647ca3261d9407b9004db11d401977c59f93399ff
+
+PKG_MAINTAINER:=Daniel Golle <daniel@makrotopia.org>
+PKG_LICENSE:=GPL-3.0-or-later
+PKG_LICENSE_FILES:=COPYING
 
 PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
 
 include $(INCLUDE_DIR)/package.mk