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Commit | Line | Data |
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22433fc5 MY |
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 | ||
13 | test ! -r $2/Makefile -o -O $2/Makefile || exit 0 | |
14 | # Only overwrite automatically generated Makefiles | |
15 | # (so we do not overwrite kernel Makefile) | |
16 | if test -e $2/Makefile && ! grep -q Automatically $2/Makefile | |
17 | then | |
18 | exit 0 | |
19 | fi | |
20 | if [ "${quiet}" != "silent_" ]; then | |
21 | echo " GEN $2/Makefile" | |
22 | fi | |
23 | ||
24 | cat << EOF > $2/Makefile | |
25 | # Automatically generated by $0: don't edit | |
26 | ||
27 | VERSION = $3 | |
28 | PATCHLEVEL = $4 | |
29 | ||
30 | lastword = \$(word \$(words \$(1)),\$(1)) | |
31 | makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST))) | |
32 | ||
33 | ifeq ("\$(origin V)", "command line") | |
34 | VERBOSE := \$(V) | |
35 | endif | |
36 | ifneq (\$(VERBOSE),1) | |
37 | Q := @ | |
38 | endif | |
39 | ||
40 | MAKEARGS := -C $1 | |
41 | MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir)) | |
42 | ||
43 | MAKEFLAGS += --no-print-directory | |
44 | ||
e7734404 | 45 | .PHONY: __sub-make \$(MAKECMDGOALS) |
22433fc5 | 46 | |
e7734404 MY |
47 | __sub-make: |
48 | \$(Q)\$(MAKE) \$(MAKEARGS) \$(MAKECMDGOALS) | |
22433fc5 | 49 | |
e7734404 | 50 | \$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make |
22433fc5 MY |
51 | @: |
52 | EOF |