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