include/host.mk

   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
   8 TMP_DIR ?= $(TOPDIR)/tmp
   9 -include $(TMP_DIR)/.host.mk
  10
  11 export TAR
  12
  13 ifneq ($(__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 "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
  32                 echo "TAR:=$$TAR" >> $@; \
  33                 echo "BASH:=$(shell which bash)" >> $@; \
  34                 if find -L /tmp -maxdepth 0 >/dev/null 2>/dev/null; then \
  35                         echo 'FIND_L=find -L $$(1)' >>$@; \
  36                 else \
  37                         echo 'FIND_L=find $$(1) -follow' >> $@; \
  38                 fi; \
  39         )
  40
  41 endif
  42
  43 ifeq ($(HOST_OS),Linux)
  44   XARGS:=xargs -r
  45 else
  46   XARGS:=xargs
  47 endif