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
7 # $1 - Kernel src directory
8 # $2 - Output directory
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
20 echo " GEN $2/Makefile"
22 cat << EOF > $2/Makefile
23 # Automatically generated by $0: don't edit
31 MAKEFLAGS += --no-print-directory
33 .PHONY: all \$(MAKECMDGOALS)
35 all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
38 \$(MAKE) -C \$(KERNELSRC) O=\$(KERNELOUTPUT) \$(all)