1*4882a593Smuzhiyun#!/bin/sh 2*4882a593Smuzhiyun# Generates a small Makefile used in the root of the output 3*4882a593Smuzhiyun# directory, to allow make to be started from there. 4*4882a593Smuzhiyun# The Makefile also allow for more convinient build of external modules 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun# Usage 7*4882a593Smuzhiyun# $1 - Kernel src directory 8*4882a593Smuzhiyun# $2 - Output directory 9*4882a593Smuzhiyun# $3 - version 10*4882a593Smuzhiyun# $4 - patchlevel 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun 13*4882a593Smuzhiyuntest ! -r $2/Makefile -o -O $2/Makefile || exit 0 14*4882a593Smuzhiyun# Only overwrite automatically generated Makefiles 15*4882a593Smuzhiyun# (so we do not overwrite kernel Makefile) 16*4882a593Smuzhiyunif test -e $2/Makefile && ! grep -q Automatically $2/Makefile 17*4882a593Smuzhiyunthen 18*4882a593Smuzhiyun exit 0 19*4882a593Smuzhiyunfi 20*4882a593Smuzhiyunif [ "${quiet}" != "silent_" ]; then 21*4882a593Smuzhiyun echo " GEN $2/Makefile" 22*4882a593Smuzhiyunfi 23*4882a593Smuzhiyun 24*4882a593Smuzhiyuncat << EOF > $2/Makefile 25*4882a593Smuzhiyun# Automatically generated by $0: don't edit 26*4882a593Smuzhiyun 27*4882a593SmuzhiyunVERSION = $3 28*4882a593SmuzhiyunPATCHLEVEL = $4 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunlastword = \$(word \$(words \$(1)),\$(1)) 31*4882a593Smuzhiyunmakedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST))) 32*4882a593Smuzhiyun 33*4882a593Smuzhiyunifeq ("\$(origin V)", "command line") 34*4882a593SmuzhiyunVERBOSE := \$(V) 35*4882a593Smuzhiyunendif 36*4882a593Smuzhiyunifneq (\$(VERBOSE),1) 37*4882a593SmuzhiyunQ := @ 38*4882a593Smuzhiyunendif 39*4882a593Smuzhiyun 40*4882a593SmuzhiyunMAKEARGS := -C $1 41*4882a593SmuzhiyunMAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir)) 42*4882a593Smuzhiyun 43*4882a593SmuzhiyunMAKEFLAGS += --no-print-directory 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun.PHONY: __sub-make \$(MAKECMDGOALS) 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun__sub-make: 48*4882a593Smuzhiyun \$(Q)\$(MAKE) \$(MAKEARGS) \$(MAKECMDGOALS) 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make 51*4882a593Smuzhiyun @: 52*4882a593SmuzhiyunEOF 53