mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
52 lines
1.3 KiB
Makefile
52 lines
1.3 KiB
Makefile
#
|
|
# Copyright (C) 2007-2015 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 $(TMP_DIR)/.host.mk
|
|
endif
|
|
|
|
ifneq ($(__host_inc),1)
|
|
__host_inc:=1
|
|
|
|
export PATH:=$(TOPDIR)/staging_dir/host/bin:$(PATH)
|
|
|
|
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" >> $@; \
|
|
if gfind -L /dev/null || find -L /dev/null; then \
|
|
echo "FIND_L=find -L \$$(1)" >> $@; \
|
|
else \
|
|
echo "FIND_L=find \$$(1) -follow" >> $@; \
|
|
fi \
|
|
) >/dev/null 2>/dev/null
|
|
|
|
endif
|