X-Git-Url: https://git.archive.openwrt.org/?a=blobdiff_plain;f=include%2Fhost.mk;h=ec3ae276a429809acefa78ff4a719ea0ee7ff335;hb=73a8589c54ff2a133301edacf6545cb0af5cb422;hp=64588814726953c0d9763dc248e35c41f81d934b;hpb=318409fc3f68c0f6c6cdf52bb706bcba2a94e16b;p=openwrt.git

diff --git a/include/host.mk b/include/host.mk
index 6458881472..ec3ae276a4 100644
--- a/include/host.mk
+++ b/include/host.mk
@@ -1,28 +1,51 @@
-# 
-# Copyright (C) 2006 OpenWrt.org
+#
+# Copyright (C) 2007-2015 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 $(TMP_DIR)/.host.mk
+endif
+
+ifneq ($(__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) \
+)
 
-$(TOPDIR)/.host.mk: $(INCLUDE_DIR)/host.mk
-	echo "HOST_OS:=`uname`" > $@
-	echo "HOST_ARCH:=` \
-		$(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
-			-e 's/sparc.*/sparc/' \
-			-e 's/arm.*/arm/' \
-			-e 's/m68k.*/m68k/' \
-			-e 's/ppc/powerpc/' \
-			-e 's/v850.*/v850/' \
-			-e 's/sh[234]/sh/' \
-			-e 's/mips-.*/mips/' \
-			-e 's/mipsel-.*/mipsel/' \
-			-e 's/cris.*/cris/' \
-			-e 's/i[3-9]86/i386/'`" >> $@
-	echo "GNU_HOST_NAME:=`$(HOSTCC) -dumpmachine`" >> $@
-	if tar --version 2>&1 | grep 'GNU' >/dev/null; then \
-		echo "TAR_OPTIONS+=--wildcards" >> $@; \
-	fi
+.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