blob: 9ad1bd793252ff4241e99813b3c179afc99e9363 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#!/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
Jan Beulichfd5f0cd2006-05-02 12:33:20 +020013test ! -r $2/Makefile -o -O $2/Makefile || exit 0
Sam Ravnborg18c32da2007-12-09 08:55:13 +010014# Only overwrite automatically generated Makefiles
15# (so we do not overwrite kernel Makefile)
16if ! grep -q Automatically $2/Makefile
17then
18 exit 0
19fi
Jan Beulichfd5f0cd2006-05-02 12:33:20 +020020echo " GEN $2/Makefile"
21
22cat << EOF > $2/Makefile
Linus Torvalds1da177e2005-04-16 15:20:36 -070023# Automatically generated by $0: don't edit
24
25VERSION = $3
26PATCHLEVEL = $4
27
28KERNELSRC := $1
29KERNELOUTPUT := $2
30
31MAKEFLAGS += --no-print-directory
32
Jan Beulich96678282006-01-30 10:05:09 +010033.PHONY: all \$(MAKECMDGOALS)
34
Milton Miller0b357862007-09-21 18:09:02 -050035all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
36
Linus Torvalds1da177e2005-04-16 15:20:36 -070037all:
Milton Miller0b357862007-09-21 18:09:02 -050038 \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$(all)
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
Jan Beulich96678282006-01-30 10:05:09 +010040Makefile:;
41
Milton Miller0b357862007-09-21 18:09:02 -050042\$(all) %/: all
43 @:
Linus Torvalds1da177e2005-04-16 15:20:36 -070044EOF