From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 include/host.mk | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 include/host.mk

(limited to 'include/host.mk')

diff --git a/include/host.mk b/include/host.mk
new file mode 100644
index 0000000..ec3ae27
--- /dev/null
+++ b/include/host.mk
@@ -0,0 +1,51 @@
+#
+# 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
-- 
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