Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-fixes
[linux-2.6-block.git] / scripts / mkmakefile
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1da177e4
LT
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
fd5f0cd6 13test ! -r $2/Makefile -o -O $2/Makefile || exit 0
18c32dac
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14# Only overwrite automatically generated Makefiles
15# (so we do not overwrite kernel Makefile)
971edcfc 16if test -e $2/Makefile && ! grep -q Automatically $2/Makefile
18c32dac
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17then
18 exit 0
19fi
d2301249
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20if [ "${quiet}" != "silent_" ]; then
21 echo " GEN $2/Makefile"
22fi
fd5f0cd6
JB
23
24cat << EOF > $2/Makefile
1da177e4
LT
25# Automatically generated by $0: don't edit
26
27VERSION = $3
28PATCHLEVEL = $4
29
1d3b3bfa
JB
30lastword = \$(word \$(words \$(1)),\$(1))
31makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))
32
33MAKEARGS := -C $1
34MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir))
1da177e4
LT
35
36MAKEFLAGS += --no-print-directory
37
96678281
JB
38.PHONY: all \$(MAKECMDGOALS)
39
0b35786d
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40all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
41
1da177e4 42all:
1d3b3bfa 43 \$(MAKE) \$(MAKEARGS) \$(all)
1da177e4 44
96678281 45Makefile:;
1da177e4 46
0b35786d
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47\$(all) %/: all
48 @:
1d3b3bfa 49
1da177e4 50EOF