| #!/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 |
