void-packages/common/hooks/post-install/06-prepare-32bit.sh

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# This hook creates a new PKGDESTDIR with 32bit libraries for x86_64.
#
# XXX remaining issues:
# - due to ${pkgname} -> ${pkgname}32 renaming, some pkgs have wrong deps
# (noarch pkgs, development pkgs, etc).
hook() {
local destdir32=${XBPS_DESTDIR}/${pkgname}-32bit-${version}
# By default always enabled unless "lib32_disabled" is set.
if [ -n "$lib32_disabled" ]; then
return
fi
# This hook will only work when building for x86.
if [ "$XBPS_TARGET_MACHINE" != "i686" ]; then
return
fi
# Ignore noarch pkgs.
if [ -n "$noarch" ]; then
return
fi
# If /usr/lib does not exist don't continue...
if [ ! -d ${PKGDESTDIR}/usr/lib ]; then
return
fi
mkdir -p ${destdir32}/usr/lib32
cp -a ${PKGDESTDIR}/usr/lib/* ${destdir32}/usr/lib32
# Only keep shared libs, static libs, and pkg-config files.
find "${destdir32}" -not \( \
-name '*.pc' -or \
-name '*.so' -or \
-name '*.so.*' -or \
-name '*.a' -or \
-name '*.la' -or \
-name '*.o' -or \
-type d \
\) -delete
# Remove empty dirs.
for f in $(find ${destdir32} -type d -empty|sort -r); do
_dir="${f##${destdir32}}"
[ -z "${_dir}" ] && continue
rmdir --ignore-fail-on-non-empty -p "$f" &>/dev/null
done
if [ ! -d ${destdir32} ]; then
return
fi
# Switch pkg-config files to lib32.
if [ -d ${destdir32}/usr/lib32/pkgconfig ]; then
sed -e 's,/usr/lib,/usr/lib32,g' \
-e 's,${exec_prefix}/lib,${exec_prefix}/lib32,g' \
-i ${destdir32}/usr/lib32/pkgconfig/*.pc
fi
# If the rdeps file exist (runtime deps), copy and then modify it for
# 32bit dependencies.
trap - ERR
: > ${destdir32}/rdeps
if [ -s "$PKGDESTDIR/rdeps" ]; then
for f in $(cat ${PKGDESTDIR}/rdeps); do
pkgn="$($XBPS_UHELPER_CMD getpkgdepname $f)"
if [ -z "${pkgn}" ]; then
pkgn="$($XBPS_UHELPER_CMD getpkgname $f)"
if [ -z "${pkgn}" ]; then
msg_error "$pkgver: invalid dependency $f\n"
fi
pkgv="-$($XBPS_UHELPER_CMD getpkgversion ${f})"
else
pkgv="$($XBPS_UHELPER_CMD getpkgdepversion ${f})"
fi
printf "${pkgn}-32bit${pkgv} " >> $destdir32/rdeps
done
fi
# If it's a development pkg add a dependency to the 64bit pkg.
if [[ $pkgname =~ '-devel' ]]; then
printf "${pkgver} " >> ${destdir32}/rdeps
fi
printf "\n" >> ${destdir32}/rdeps
}