1# 
2# Copyright (C) 2007 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7
8TMP_DIR ?= $(TOPDIR)/tmp
9-include $(TMP_DIR)/.host.mk
10
11export TAR
12
13ifneq ($(__host_inc),1)
14__host_inc:=1
15.PRECIOUS: $(TMP_DIR)/.host.mk
16$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
17	@mkdir -p $(TMP_DIR)
18	@( \
19		HOST_OS=`uname`; \
20		case "$$HOST_OS" in \
21			Linux) HOST_ARCH=`uname -m`;; \
22			*) HOST_ARCH=`uname -p`;; \
23		esac; \
24		GNU_HOST_NAME=`gcc -dumpmachine`; \
25		[ -n "$$GNU_HOST_NAME" ] || \
26			GNU_HOST_NAME=`$(SCRIPT_DIR)/config.guess`; \
27		echo "HOST_OS:=$$HOST_OS" > $@; \
28		echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
29		echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
30		TAR=`which gtar 2>/dev/null`; \
31		[ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which gnutar 2>/dev/null`; \
32		[ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
33		echo "TAR:=$$TAR" >> $@; \
34		FIND=`which gfind 2>/dev/null`; \
35		[ -n "$$FIND" -a -x "$$FIND" ] || FIND=`which find 2>/dev/null`; \
36		echo "FIND:=$$FIND" >> $@; \
37		echo "BASH:=$(shell which bash)" >> $@; \
38		if find -L /tmp -maxdepth 0 >/dev/null 2>/dev/null; then \
39			echo 'FIND_L=find -L $$(1)' >>$@; \
40		else \
41			echo 'FIND_L=find $$(1) -follow' >> $@; \
42		fi; \
43	)
44
45endif
46
47ifeq ($(HOST_OS),Linux)
48  XARGS:=xargs -r
49else
50  XARGS:=xargs
51endif
52