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#!/usr/bin/env bash
# The reason we do `find`/`while read`-loops instead of `find -exec` commands
# is that we want errors from the inner loop to bubble up.
fixup_makefiles() (
find "$@" -type f -name Makefile | while read -r filename; do
{
<"$filename" sed -r \
-e "s|(/\.\.)*/config.mk|/$(realpath -ms --relative-to="$(dirname -- "$filename")" config.mk)|" \
-e '/^nested\.subdirs/d' \
-e '/^include \$\(topsrcdir\)\/build-aux\/Makefile\.tail\.mk$/d'
echo
find "$(dirname "$filename")" -mindepth 2 -maxdepth 2 -name Makefile -print0 |
xargs -r0 dirname -z -- |
xargs -r0 basename -a -z |
xargs -r0 printf 'nested.subdirs += %s\n' | sort
echo
echo 'include $(topsrcdir)/build-aux/Makefile.tail.mk'
} | cat -s | build-aux/write-ifchanged "$filename"
done
)
fixup_includes() (
dirs=($(find "$@" -type d -name include))
if [[ ${#dirs[@]} -gt 0 ]]; then
find "${dirs[@]}" -type d | while read -r dir; do
lib="${dir##*/}"
find "$dir" -type f | while read -r filename; do
>&2 printf ' => sed -r %q < %q\n' "s|$lib/||" "$filename"
sed -r "s|$lib/||" < "$filename" | build-aux/write-ifchanged "$filename"
done
done
fi
find "$@" \( -name '*.h' -o -name '*.c' -o -name '*.gperf' \) -type f | while read -r filename; do
"$0"--includes "$filename" | build-aux/write-ifchanged "$filename"
done
rm -rf -- "$0"--includes.cache
)
main() {
set -e
set -o pipefail
export LC_COLLATE=C
fixup_makefiles "$@"
fixup_includes "$@"
}
main "$@"
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