40 lines
866 B
Plaintext
40 lines
866 B
Plaintext
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# Generates a small Makefile used in the root of the output
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# directory, to allow make to be started from there.
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# The Makefile also allow for more convinient build of external modules
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# Usage
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# $1 - Kernel src directory
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# Only overwrite automatically generated Makefiles
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# (so we do not overwrite kernel Makefile)
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if test -e Makefile && ! grep -q Automatically Makefile
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then
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exit 0
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fi
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if [ "${quiet}" != "silent_" ]; then
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echo " GEN Makefile"
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fi
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cat << EOF > Makefile
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# Automatically generated by $0: don't edit
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ifeq ("\$(origin V)", "command line")
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VERBOSE := \$(V)
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endif
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ifneq (\$(VERBOSE),1)
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Q := @
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endif
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MAKEFLAGS += --no-print-directory
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.PHONY: __sub-make \$(MAKECMDGOALS)
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__sub-make:
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\$(Q)\$(MAKE) -C $1 O=\$(CURDIR) \$(MAKECMDGOALS)
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\$(filter-out __sub-make, \$(MAKECMDGOALS)): __sub-make
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@:
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EOF
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