speed up the build system a little bit
[openwrt.git] / include / host.mk
1
2 # Copyright (C) 2006 OpenWrt.org
3 #
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
6 #
7
8 include $(TMP_DIR)/.host.mk
9
10 export TAR
11
12 $(TMP_DIR)/.host.mk: $(INCLUDE_DIR)/host.mk
13         @( \
14                 echo -n "BASH:=$(shell which bash)"; \
15                 HOST_OS=`uname`; \
16                 case "$$HOST_OS" in \
17                         Linux) HOST_ARCH=`uname -m`;; \
18                         *) HOST_ARCH=`uname -p`;; \
19                 esac; \
20                 GNU_HOST_NAME=`gcc -dumpmachine`; \
21                 [ -n "$$GNU_HOST_NAME" ] || \
22                         GNU_HOST_NAME=`$(SCRIPT_DIR)/config.guess`; \
23                 echo "HOST_OS:=$$HOST_OS" > $@; \
24                 echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
25                 echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
26                 TAR=`which gtar`; \
27                 [ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar`; \
28                 echo "TAR:=$$TAR" >> $@; \
29                 ZCAT=`which gzcat`; \
30                 [ -n "$$ZCAT" -a -x "$$ZCAT" ] || ZCAT=`which zcat`; \
31                 echo "ZCAT:=$$ZCAT" >> $@; \
32         )
33