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#!/bin/sh
# Parameters:
# $1 = source dir
# $2 = dst dir
# $top_builddir = well you guessed it
die_if_not_dir()
{
for dir in "$@"; do
test -d "$dir" && continue
echo "Error: '$dir' is not a directory"
exit 1
done
}
# Ensure that created dirs/files have 755/644 perms
umask 022
# Sanity tests
die_if_not_dir "$1"
mkdir -p "$2" 2>/dev/null
die_if_not_dir "$2"
die_if_not_dir "$top_builddir"
if ! test -x "$top_builddir/extra/scripts/unifdef"; then
echo "Error: need '$top_builddir/extra/scripts/unifdef' executable"
exit 1
fi
# Sanitize and copy uclibc headers
(
# We must cd, or else we'll prepend "$1" to filenames!
cd "$1" || exit 1
find ! -name '.' -a ! -path '*/.*' | sed -e 's/^\.\///' -e '/^config\//d' \
-e '/^config$/d'
) | \
(
IFS=''
while read -r filename; do
if test -d "$1/$filename"; then
mkdir -p "$2/$filename" 2>/dev/null
continue
fi
if test x"${filename##libc-*.h}" = x""; then
# Do not install libc-XXXX.h files
continue
fi
# NB: unifdef exits with 1 if output is not
# exactly the same as input. That's ok.
# Do not abort the script if unifdef "fails"!
# NB2: careful with sed command arguments, they contain tab character
"$top_builddir/extra/scripts/unifdef" -UUCLIBC_INTERNAL -U_LIBC "$1/$filename" \
| sed -e '/^rtld_hidden_proto[ ]*([a-zA-Z0-9_]*)$/d' \
| sed -e '/^lib\(c\|m\|resolv\|dl\|intl\|rt\|nsl\|util\|crypt\|pthread\)_hidden_proto[ ]*([a-zA-Z0-9_]*)$/d' \
>"$2/$filename"
done
)
# Fix mode/owner bits
cd "$2" || exit 1
chmod -R u=rwX,go=rX . >/dev/null 2>&1
chown -R `id | sed 's/^uid=\([0-9]*\).*gid=\([0-9]*\).*$/\1:\2/'` . >/dev/null 2>&1
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