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- #
- # Copyright (C) 2007-2010 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
- try-run = $(shell set -e; \
- TMP_F="$(TMP_DIR)/try-run.$$$$.tmp"; \
- if ($(1)) >/dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi; \
- rm -f "$$TMP_F"; \
- )
- host-cc-option = $(call try-run, \
- $(HOSTCC) $(HOST_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP_F",$(1),$(2) \
- )
- .PRECIOUS: $(TMP_DIR)/.host.mk
- $(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
- @mkdir -p $(TMP_DIR)
- @( \
- HOST_OS=`uname`; \
- case "$$HOST_OS" in \
- Linux) HOST_ARCH=`uname -m`;; \
- Darwin) HOST_ARCH=`uname -m`;; \
- *) HOST_ARCH=`uname -p`;; \
- esac; \
- GNU_HOST_NAME=`gcc -dumpmachine`; \
- [ -z "$$GNU_HOST_NAME" -o "$$HOST_OS" = "Darwin" ] && \
- GNU_HOST_NAME=`$(TOPDIR)/scripts/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 "$$TAR" ] || TAR=`which gnutar 2>/dev/null`; \
- [ -n "$$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; \
- PATCH=`which gpatch 2>/dev/null`; \
- [ -n "$$PATCH" -a -x "$$PATCH" ] || PATCH=`which patch 2>/dev/null`; \
- echo "PATCH:=$$PATCH" >> $@; \
- PYTHON=`which python2.7 2>/dev/null`; \
- [ -n "$$PYTHON" -a -x "$$PYTHON" ] || PYTHON=`which python 2>/dev/null`; \
- echo "PYTHON:=$$PYTHON" >> $@; \
- )
- endif
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