[thirdparty/u-boot.git] / scripts / mkmakefile

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# 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

# Only overwrite automatically generated Makefiles
# (so we do not overwrite kernel Makefile)
if test -e Makefile && ! grep -q Automatically Makefile
then
	exit 0
fi
if [ "${quiet}" != "silent_" ]; then
	echo "  GEN     Makefile"
fi

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

ifeq ("\$(origin V)", "command line")
VERBOSE := \$(V)
endif
ifneq (\$(VERBOSE),1)
Q := @
endif

MAKEFLAGS += --no-print-directory

.PHONY: __sub-make \$(MAKECMDGOALS)

__sub-make:
	\$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)

\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
	@:
EOF
Commit	Line	Data
	1	#!/bin/sh
	2	# SPDX-License-Identifier: GPL-2.0
	3	# Generates a small Makefile used in the root of the output
	4	# directory, to allow make to be started from there.
	5	# The Makefile also allow for more convinient build of external modules
	6
	7	# Usage
	8	# $1 - Kernel src directory
	9
	10	# Only overwrite automatically generated Makefiles
	11	# (so we do not overwrite kernel Makefile)
	12	if test -e Makefile && ! grep -q Automatically Makefile
	13	then
	14	exit 0
	15	fi
	16	if [ "${quiet}" != "silent_" ]; then
	17	echo " GEN Makefile"
	18	fi
	19
	20	cat << EOF > Makefile
	21	# Automatically generated by $0: don't edit
	22
	23	ifeq ("\$(origin V)", "command line")
	24	VERBOSE := \$(V)
	25	endif
	26	ifneq (\$(VERBOSE),1)
	27	Q := @
	28	endif
	29
	30	MAKEFLAGS += --no-print-directory
	31
	32	.PHONY: __sub-make \$(MAKECMDGOALS)
	33
	34	__sub-make:
	35	\$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)
	36
	37	\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
	38	@:
	39	EOF