| # 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 |
| # $1 - Kernel src directory |
| test ! -r $2/Makefile -o -O $2/Makefile || exit 0 |
| # Only overwrite automatically generated Makefiles |
| # (so we do not overwrite kernel Makefile) |
| if test -e $2/Makefile && ! grep -q Automatically $2/Makefile |
| if [ "${quiet}" != "silent_" ]; then |
| # Automatically generated by $0: don't edit |
| lastword = \$(word \$(words \$(1)),\$(1)) |
| makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST))) |
| ifeq ("\$(origin V)", "command line") |
| MAKEARGS += O=\$(if \$(patsubst /%,,\$(makedir)),\$(CURDIR)/)\$(patsubst %/,%,\$(makedir)) |
| MAKEFLAGS += --no-print-directory |
| .PHONY: __sub-make \$(MAKECMDGOALS) |
| \$(Q)\$(MAKE) \$(MAKEARGS) \$(MAKECMDGOALS) |
| \$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make |