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https://github.com/openwrt/openwrt.git
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acd481470c
This was added for Mac OS X many years ago, but recent versions also
support find -L
Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit be206eba3a)
47 lines
1.2 KiB
Makefile
47 lines
1.2 KiB
Makefile
#
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# Copyright (C) 2007-2015 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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TMP_DIR ?= $(TOPDIR)/tmp
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ifeq ($(if $(TARGET_BUILD),,$(DUMP)),)
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-include $(TMP_DIR)/.host.mk
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endif
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ifneq ($(__host_inc),1)
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__host_inc:=1
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export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
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try-run = $(shell set -e; \
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TMP_F="$(TMP_DIR)/try-run.$$$$.tmp"; \
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if ($(1)) >/dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi; \
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rm -f "$$TMP_F"; \
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)
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host-cc-option = $(call try-run, \
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$(HOSTCC) $(HOST_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP_F",$(1),$(2) \
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)
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.PRECIOUS: $(TMP_DIR)/.host.mk
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$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
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@mkdir -p $(TMP_DIR)
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@( \
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HOST_OS=`uname`; \
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case "$$HOST_OS" in \
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Linux) HOST_ARCH=`uname -m`;; \
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Darwin) HOST_ARCH=`uname -m`;; \
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*) HOST_ARCH=`uname -p`;; \
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esac; \
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GNU_HOST_NAME=`gcc -dumpmachine`; \
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[ -z "$$GNU_HOST_NAME" -o "$$HOST_OS" = "Darwin" ] && \
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GNU_HOST_NAME=`$(TOPDIR)/scripts/config.guess`; \
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echo "HOST_OS:=$$HOST_OS" > $@; \
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echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
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echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
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) >/dev/null 2>/dev/null
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endif
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