X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/318409fc3f68c0f6c6cdf52bb706bcba2a94e16b..f53132ef54776212c6a1a670222a3cf9f0fb6dc0:/include/host.mk diff --git a/include/host.mk b/include/host.mk index 645888147..9b8a32b67 100644 --- a/include/host.mk +++ b/include/host.mk @@ -1,28 +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 $(TMP_DIR)/.host.mk +endif -$(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" >> $@; \ - fi +export TAR FIND +ifneq ($(__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