source: trunk/include/host.mk @ 14734

Last change on this file since 14734 was 14734, checked in by nbd, 8 years ago

speed up metadata scanning a lot by avoiding unnecessary shell commands and make recursions

  • Property svn:eol-style set to native
File size: 1.4 KB
Line 
1#
2# Copyright (C) 2007 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7
8TMP_DIR ?= $(TOPDIR)/tmp
9ifndef DUMP
10  -include $(TMP_DIR)/.host.mk
11endif
12
13export TAR FIND
14
15ifneq ($(__host_inc),1)
16__host_inc:=1
17.PRECIOUS: $(TMP_DIR)/.host.mk
18$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
19        @mkdir -p $(TMP_DIR)
20        @( \
21                HOST_OS=`uname`; \
22                case "$$HOST_OS" in \
23                        Linux) HOST_ARCH=`uname -m`;; \
24                        *) HOST_ARCH=`uname -p`;; \
25                esac; \
26                GNU_HOST_NAME=`gcc -dumpmachine`; \
27                [ -n "$$GNU_HOST_NAME" ] || \
28                        GNU_HOST_NAME=`$(SCRIPT_DIR)/config.guess`; \
29                echo "HOST_OS:=$$HOST_OS" > $@; \
30                echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
31                echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
32                TAR=`which gtar 2>/dev/null`; \
33                [ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
34                echo "TAR:=$$TAR" >> $@; \
35                FIND=`which gfind 2>/dev/null`; \
36                [ -n "$$FIND" -a -x "$$FIND" ] || FIND=`which find 2>/dev/null`; \
37                echo "FIND:=$$FIND" >> $@; \
38                echo "BASH:=$(shell which bash)" >> $@; \
39                if $$FIND -L /tmp -maxdepth 0 >/dev/null 2>/dev/null; then \
40                        echo "FIND_L=$$FIND -L \$$(1)" >>$@; \
41                else \
42                        echo "FIND_L=$$FIND \$$(1) -follow" >> $@; \
43                fi; \
44                if xargs --help 2>&1 | grep 'gnu.org' >/dev/null; then \
45                        echo 'XARGS:=xargs -r' >> $@; \
46                else \
47                        echo 'XARGS:=xargs' >> $@; \
48                fi; \
49        )
50
51endif
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