LXR busybox/scripts/mkmakefile

   1#!/bin/sh
   2# Generates a small Makefile used in the root of the output
   3# directory, to allow make to be started from there.
   4# The Makefile also allow for more convinient build of external modules
   5
   6# Usage
   7# $1 - Kernel src directory
   8# $2 - Output directory
   9# $3 - version
  10# $4 - patchlevel
  11
  12
  13test ! -r $2/Makefile -o -O $2/Makefile || exit 0
  14echo "  GEN     $2/Makefile"
  15
  16cat << EOF > $2/Makefile
  17# Automatically generated by $0: don't edit
  18
  19VERSION = $3
  20PATCHLEVEL = $4
  21
  22KERNELSRC    := $1
  23KERNELOUTPUT := $2
  24
  25MAKEFLAGS += --no-print-directory
  26
  27.PHONY: all \$(MAKECMDGOALS)
  28
  29all:
  30        \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT)
  31
  32Makefile:;
  33
  34\$(filter-out all Makefile,\$(MAKECMDGOALS)):
  35        \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
  36
  37%/:
  38        \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$@
  39EOF
  40