blob: 336068ca34e3060aca26210b5c16492b43263b28 [file] [log] [blame]
#!/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 convenient build of external modules
# Usage
# $1 - Kernel src directory
# $2 - Output directory
test ! -r $2/Makefile -o -O $2/Makefile || exit 0
# Only overwrite automatically generated Makefiles
# (so we do not overwrite buildroot Makefile)
if test -e $2/Makefile && ! grep -q Automatically $2/Makefile
then
exit 0
fi
if [ "${quiet}" != "silent_" ]; then
echo " GEN $2/Makefile"
fi
cat << EOF > $2/Makefile
# Automatically generated by $0: don't edit
lastword = \$(word \$(words \$(1)),\$(1))
makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))
MAKEARGS := -C $1
MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir))
MAKEFLAGS += --no-print-directory
LOGLINEAR ?= $1/loglinear
.PHONY: all \$(MAKECMDGOALS)
all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
all:
\$(LOGLINEAR) \$(MAKE) \$(MAKEARGS) LOGLINEAR=\$(LOGLINEAR) \$(all)
Makefile:;
menuconfig linux-menuconfig backports-menuconfig: LOGLINEAR=
\$(all): all
@:
%/: all
@:
EOF