linux/scripts/mkmakefile
Jan Beulich 3c955b407a fixes for using make 3.82
It doesn't like pattern and explicit rules to be on the same line,
and it seems to be more picky when matching file (or really directory)
names with different numbers of trailing slashes.

Signed-off-by: Jan Beulich <jbeulich@novell.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Andrew Benton <b3nton@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: Michal Marek <mmarek@suse.cz>
2010-08-17 11:47:40 +02:00

53 lines
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Bash

#!/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 convinient build of external modules
# Usage
# $1 - Kernel src directory
# $2 - Output directory
# $3 - version
# $4 - patchlevel
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 $2/Makefile
then
exit 0
fi
if [ "${quiet}" != "silent_" ]; then
echo " GEN $2/Makefile"
fi
cat << EOF > $2/Makefile
# Automatically generated by $0: don't edit
VERSION = $3
PATCHLEVEL = $4
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
.PHONY: all \$(MAKECMDGOALS)
all := \$(filter-out all Makefile,\$(MAKECMDGOALS))
all:
\$(MAKE) \$(MAKEARGS) \$(all)
Makefile:;
\$(all): all
@:
%/: all
@:
EOF