[net-next-2.6.git] / scripts / mkmakefile

#!/bin/sh
# Generates a small Makefile used in the root of the output
# directory, to allow make to be started from there.
# The Makefile also allow for more convinient build of external modules

# Usage
# $1 - Kernel src directory
# $2 - Output directory
# $3 - version
# $4 - patchlevel


test ! -r $2/Makefile -o -O $2/Makefile || exit 0
# Only overwrite automatically generated Makefiles
# (so we do not overwrite kernel Makefile)
if ! grep -q Automatically $2/Makefile
then
	exit 0
fi
echo "  GEN     $2/Makefile"

cat << EOF > $2/Makefile
# Automatically generated by $0: don't edit

VERSION = $3
PATCHLEVEL = $4

KERNELSRC    := $1
KERNELOUTPUT := $2

MAKEFLAGS += --no-print-directory

.PHONY: all \$(MAKECMDGOALS)

all	:= \$(filter-out all Makefile,\$(MAKECMDGOALS))

all:
	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$(all)

Makefile:;

\$(all) %/: all
	@:
EOF
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)
	16	if ! grep -q Automatically $2/Makefile
	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
	28	KERNELSRC := $1
	29	KERNELOUTPUT := $2
	30
	31	MAKEFLAGS += --no-print-directory
	32
96678281 JB	33	.PHONY: all \$(MAKECMDGOALS)
96678281 JB	34
0b35786d MM	35	all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
0b35786d MM	36
1da177e4	37	all:
0b35786d	38	\$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$(all)
1da177e4	39
96678281	40	Makefile:;
1da177e4	41
0b35786d MM	42	\$(all) %/: all
0b35786d MM	43	@:
1da177e4	44	EOF