source: trunk/include/host.mk @ 23287

Last change on this file since 23287 was 23287, checked in by jow, 6 years ago

[include] host.mk: introduce PATCH which refers to either gpatch or patch

  • Property svn:eol-style set to native
File size: 1.9 KB
Line 
1#
2# Copyright (C) 2007-2010 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 ?= $(TOPDIR)/tmp
9ifeq ($(if $(TARGET_BUILD),,$(DUMP)),)
10  -include $(TMP_DIR)/.host.mk
11endif
12
13export TAR FIND
14
15ifneq ($(__host_inc),1)
16__host_inc:=1
17
18try-run = $(shell set -e; \
19        TMP_F="$(TMP_DIR)/try-run.$$$$.tmp"; \
20        if ($(1)) >/dev/null 2>&1; then echo "$(2)"; else echo "$(3)"; fi; \
21        rm -f "$$TMP_F"; \
22)
23
24host-cc-option = $(call try-run, \
25        $(HOSTCC) $(HOST_CFLAGS) $(1) -c -xc /dev/null -o "$$TMP_F",$(1),$(2) \
26)
27
28.PRECIOUS: $(TMP_DIR)/.host.mk
29$(TMP_DIR)/.host.mk: $(TOPDIR)/include/host.mk
30        @mkdir -p $(TMP_DIR)
31        @( \
32                HOST_OS=`uname`; \
33                case "$$HOST_OS" in \
34                        Linux) HOST_ARCH=`uname -m`;; \
35                        Darwin) HOST_ARCH=`uname -m`;; \
36                        *) HOST_ARCH=`uname -p`;; \
37                esac; \
38                GNU_HOST_NAME=`gcc -dumpmachine`; \
39                [ -z "$$GNU_HOST_NAME" -o "$$HOST_OS" = "Darwin" ] && \
40                        GNU_HOST_NAME=`$(TOPDIR)/scripts/config.guess`; \
41                echo "HOST_OS:=$$HOST_OS" > $@; \
42                echo "HOST_ARCH:=$$HOST_ARCH" >> $@; \
43                echo "GNU_HOST_NAME:=$$GNU_HOST_NAME" >> $@; \
44                TAR=`which gtar 2>/dev/null`; \
45                [ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which gnutar 2>/dev/null`; \
46                [ -n "$$TAR" -a -x "$$TAR" ] || TAR=`which tar 2>/dev/null`; \
47                echo "TAR:=$$TAR" >> $@; \
48                FIND=`which gfind 2>/dev/null`; \
49                [ -n "$$FIND" -a -x "$$FIND" ] || FIND=`which find 2>/dev/null`; \
50                echo "FIND:=$$FIND" >> $@; \
51                echo "BASH:=$(shell which bash)" >> $@; \
52                if $$FIND -L /tmp -maxdepth 0 >/dev/null 2>/dev/null; then \
53                        echo "FIND_L=$$FIND -L \$$(1)" >>$@; \
54                else \
55                        echo "FIND_L=$$FIND \$$(1) -follow" >> $@; \
56                fi; \
57                if xargs --help 2>&1 | grep 'gnu.org' >/dev/null; then \
58                        echo 'XARGS:=xargs -r' >> $@; \
59                else \
60                        echo 'XARGS:=xargs' >> $@; \
61                fi; \
62                PATCH=`which gpatch 2>/dev/null`; \
63                [ -n "$$PATCH" -a -x "$$PATCH" ] || PATCH=`which patch 2>/dev/null`; \
64                echo "PATCH:=$$PATCH" >> $@; \
65        )
66
67endif
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