forked from pool/kernel-source
108 lines
2.2 KiB
Plaintext
108 lines
2.2 KiB
Plaintext
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#!/bin/bash
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#
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# given a Module.supported, Module.base and modules.dep, generate list
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# of base / supported / unsupported modules
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set -e
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export LC_COLLATE=C
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usage()
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{
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echo "Usage: ${0##*/} -b Module.base -s Module.supported [-d dir] [-i] [-o outdir]"
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}
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options=$(getopt -o b:s:d:o:i -- "$@")
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if test $? -ne 0; then
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usage >&2
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exit 1
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fi
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eval set -- "$options"
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opt_base=
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opt_supp=
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opt_out=.
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opt_dir=.
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opt_ignore_errors=false
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while test $# -gt 0; do
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opt=$1
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shift
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case "$opt" in
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-b | -s | -d | -o | -D)
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arg=$1
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shift
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esac
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case "$opt" in
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-b)
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opt_base=$arg ;;
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-s)
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opt_supp=$arg ;;
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-d)
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opt_dir=$arg ;;
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-o)
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opt_out=$arg ;;
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-i)
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opt_ignore_errors=true ;;
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--)
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break ;;
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*)
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echo "Unknown option $opt" >&2
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exit 1
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esac
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done
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if test -z "$opt_base" -o -z "$opt_supp"; then
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usage >&2
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exit 1
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fi
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trap 'rm -rf "$tmp"' EXIT
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tmp=$(mktemp -d)
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mkdir "$tmp/empty"
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find "$opt_dir" -type f -name '*.ko' -printf '/%P\n' | \
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awk -F/ '{ n=$NF; gsub(/-/, "_", n); sub(/\.ko$/, "", n); print n " " $0; }' | \
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sort >"$tmp/all"
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modules_dep=$(find "$opt_dir" -type f -name modules.dep)
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if test -z "$modules_dep"; then
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echo "Cannot find modules.dep in $opt_dir" >&2
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exit 1
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fi
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(
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echo '%:
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@echo $@
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ifdef EXPLAIN
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@for dep in $^; do echo "$$dep needed by $@"; done >> $(EXPLAIN)
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endif
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'
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sed -r 's:[^ ]*/([^/]*)\.ko\>:\1:g; y/-/_/' "$modules_dep"
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) >"$tmp/dep"
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add_dependent_modules()
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{
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xargs -r make EXPLAIN=$1 -rRs -C "$tmp/empty" -f "$tmp/dep" | sort -u
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}
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# base
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sed 'y/-/_/' <"$opt_base" | add_dependent_modules >"$tmp/base"
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join -j 1 -o 2.2 "$tmp/base" "$tmp/all" >"$opt_out/base-modules"
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# main
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sed 's/ .*//; y/-/_/' "$opt_supp" | sort -u >"$tmp/supp"
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add_dependent_modules "$tmp/supp-explain" <"$tmp/supp" >"$tmp/supp-all"
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if ! cmp -s "$tmp/supp" "$tmp/supp-all"; then
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echo "The following unsupported modules are used by supported modules:" >&2
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join -j1 -a2 <(sort "$tmp/supp-explain") \
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<(join -v2 "$tmp/supp" "$tmp/supp-all") >&2
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echo "Please fix supported.conf." >&2
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if ! $opt_ignore_errors; then
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exit 1
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fi
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fi
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join -j 1 -o 2.2 "$tmp/supp-all" "$tmp/all" >"$opt_out/main-modules"
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# unsupported
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join -j 1 -v 2 -o 2.2 "$tmp/supp-all" "$tmp/all" >"$opt_out/unsupported-modules"
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exit 0
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