X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fsvn-archive%2Farchive.git;a=blobdiff_plain;f=include%2Fhost.mk;h=9b8a32b672d3579c5cbe1deed2f7625dec912e0a;hp=3a5fd9683e3592f4750a80964a321075e388cde7;hb=3589d40a3c8ee716683147e8e4175e3879663687;hpb=39ed9eab85c390e575242b9d170f290272b6f582

diff --git a/include/host.mk b/include/host.mk
index 3a5fd9683e..9b8a32b672 100644
--- a/include/host.mk
+++ b/include/host.mk
@@ -1,31 +1,67 @@
 # 
-# Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2007-2010 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 #
 
-include $(TOPDIR)/.host.mk
+TMP_DIR ?= $(TOPDIR)/tmp
+ifeq ($(if $(TARGET_BUILD),,$(DUMP)),)
+  -include $(TMP_DIR)/.host.mk
+endif
 
-export TAR
+export TAR FIND
 
-$(TOPDIR)/.host.mk: $(INCLUDE_DIR)/host.mk
+ifneq ($(__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`; \
-		[ -n "$$GNU_HOST_NAME" ] || \
-			GNU_HOST_NAME=`$(SCRIPT_DIR)/config.guess`; \
+		[ -z "$$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 tar --version 2>&1 | grep 'GNU' >/dev/null; then \
-			echo "TAR_WILDCARDS:=--wildcards" >> $@; \
-		fi; \
-		TAR=`which gtar tar | head -n 1`; \
+		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