From 5c105d9f3fd086aff195d3849dcf847d6b0bd927 Mon Sep 17 00:00:00 2001
From: blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 5 Oct 2012 10:12:53 +0000
Subject: branch Attitude Adjustment

git-svn-id: svn://svn.openwrt.org/openwrt/branches/attitude_adjustment@33625 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
 include/host.mk | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 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 000000000..9b8a32b67
--- /dev/null
+++ b/include/host.mk
@@ -0,0 +1,67 @@
+# 
+# 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; \
+		if xargs --help 2>&1 | grep 'gnu.org' >/dev/null; then \
+			echo 'XARGS:=xargs -r' >> $@; \
+		else \
+			echo 'XARGS:=xargs' >> $@; \
+		fi; \
+		PATCH=`which gpatch 2>/dev/null`; \
+		[ -n "$$PATCH" -a -x "$$PATCH" ] || PATCH=`which patch 2>/dev/null`; \
+		echo "PATCH:=$$PATCH" >> $@; \
+	)
+
+endif
-- 
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