openwrt/include/host.mk

52 lines
1.4 KiB
Makefile

#
# Copyright (C) 2007 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
TMP_DIR ?= $(TOPDIR)/tmp
ifeq ($(if $(TARGET_BUILD),,$(DUMP)),)
-include $(TMP_DIR)/.host.mk
endif
export TAR FIND
ifneq ($(__host_inc),1)
__host_inc:=1
.PRECIOUS: $(TMP_DIR)/.host.mk
$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
@mkdir -p $(TMP_DIR)
@( \
HOST_OS=`uname`; \
case "$$HOST_OS" in \
Linux) HOST_ARCH=`uname -m`;; \
*) HOST_ARCH=`uname -p`;; \
esac; \
GNU_HOST_NAME=`gcc -dumpmachine`; \
[ -n "$$GNU_HOST_NAME" ] || \
GNU_HOST_NAME=`$(SCRIPT_DIR)/config.guess`; \
echo "HOST_OS:=$$HOST_OS" > $@; \
echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
TAR=`which gtar 2>/dev/null`; \
[ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
echo "TAR:=$$TAR" >> $@; \
FIND=`which gfind 2>/dev/null`; \
[ -n "$$FIND" -a -x "$$FIND" ] || FIND=`which find 2>/dev/null`; \
echo "FIND:=$$FIND" >> $@; \
echo "BASH:=$(shell which bash)" >> $@; \
if $$FIND -L /tmp -maxdepth 0 >/dev/null 2>/dev/null; then \
echo "FIND_L=$$FIND -L \$$(1)" >>$@; \
else \
echo "FIND_L=$$FIND \$$(1) -follow" >> $@; \
fi; \
if xargs --help 2>&1 | grep 'gnu.org' >/dev/null; then \
echo 'XARGS:=xargs -r' >> $@; \
else \
echo 'XARGS:=xargs' >> $@; \
fi; \
)
endif