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914b087ff9
When $DEPMOD is not found, only print a warning instead of exiting
with an error message and error status:
Warning: 'make modules_install' requires /sbin/depmod. Please install it.
This is probably in the kmod package.
Change the Error to a Warning because "not all build hosts for cross
compiling Linux are Linux systems and are able to provide a working
port of depmod, especially at the file patch /sbin/depmod."
I.e., "make modules_install" may be used to copy/install the
loadable modules files to a target directory on a build system and
then transferred to an embedded device where /sbin/depmod is run
instead of it being run on the build system.
Fixes: 934193a654 ("kbuild: verify that $DEPMOD is installed")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
Cc: stable@vger.kernel.org
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Lucas De Marchi <lucas.de.marchi@gmail.com>
Cc: Michal Marek <michal.lkml@markovi.net>
Cc: Jessica Yu <jeyu@kernel.org>
Cc: Chih-Wei Huang <cwhuang@linux.org.tw>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
53 lines
1.3 KiB
Bash
Executable File
53 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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#
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# A depmod wrapper used by the toplevel Makefile
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if test $# -ne 2; then
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echo "Usage: $0 /sbin/depmod <kernelrelease>" >&2
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exit 1
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fi
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DEPMOD=$1
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KERNELRELEASE=$2
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if ! test -r System.map ; then
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exit 0
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fi
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if [ -z $(command -v $DEPMOD) ]; then
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echo "Warning: 'make modules_install' requires $DEPMOD. Please install it." >&2
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echo "This is probably in the kmod package." >&2
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exit 0
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fi
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# older versions of depmod require the version string to start with three
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# numbers, so we cheat with a symlink here
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depmod_hack_needed=true
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tmp_dir=$(mktemp -d ${TMPDIR:-/tmp}/depmod.XXXXXX)
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mkdir -p "$tmp_dir/lib/modules/$KERNELRELEASE"
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if "$DEPMOD" -b "$tmp_dir" $KERNELRELEASE 2>/dev/null; then
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if test -e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep" -o \
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-e "$tmp_dir/lib/modules/$KERNELRELEASE/modules.dep.bin"; then
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depmod_hack_needed=false
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fi
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fi
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rm -rf "$tmp_dir"
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if $depmod_hack_needed; then
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symlink="$INSTALL_MOD_PATH/lib/modules/99.98.$KERNELRELEASE"
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ln -s "$KERNELRELEASE" "$symlink"
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KERNELRELEASE=99.98.$KERNELRELEASE
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fi
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set -- -ae -F System.map
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if test -n "$INSTALL_MOD_PATH"; then
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set -- "$@" -b "$INSTALL_MOD_PATH"
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fi
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"$DEPMOD" "$@" "$KERNELRELEASE"
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ret=$?
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if $depmod_hack_needed; then
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rm -f "$symlink"
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fi
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exit $ret
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