void-packages/common/hooks/pre-pkg/05-prepare-32bit.sh

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# This hook creates a new PKGDESTDIR with 32bit files for x86_64.
#
# Variables that can be used in templates:
# - lib32depends: if set, 32bit pkg will use this rather than "depends".
# - lib32disabled: if set, no 32bit pkg will be created.
# - lib32files: additional files to add to the 32bit pkg (abs paths, separated by blanks).
# - lib32symlinks: makes a symlink from lib32 to lib of the specified file (basename).
# - lib32mode:
# * if unset only files for libraries will be copied.
# * if set to "full" all files will be copied.
hook() {
local destdir32=${XBPS_DESTDIR}/${pkgname}-32bit-${version}
# Do not build 32bit pkgs for:
# - perl modules
# - python modules
# - ruby modules
if [[ $build_style =~ (perl|python|ruby) ]]; then
return
fi
# By default always enabled unless "lib32disabled" is set.
if [ -n "$lib32disabled" ]; 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 [ -z "$lib32mode" ]; then
# Library mode, copy only relevant files to new destdir.
#
# 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
# 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 ${destdir32}/usr/lib32/pkgconfig/*.pc
fi
elif [ "$lib32mode" = "full" ]; then
# Full 32bit mode; copy everything to new destdir.
mkdir -p ${destdir32}
cp -a ${PKGDESTDIR}/* ${destdir32}/
# remove symlink
if [ -h ${destdir32}/usr/lib32 ]; then
rm ${destdir32}/usr/lib32
fi
# if /usr/lib dir exists move it to lib32.
if [ -d ${destdir32}/usr/lib ]; then
mv ${destdir32}/usr/lib ${destdir32}/usr/lib32
fi
fi
if [ ! -d ${destdir32} ]; then
return
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
if [ -n "$lib32depends" ]; then
_deps="${lib32depends}"
else
_deps="$(cat ${PKGDESTDIR}/rdeps)"
fi
for f in ${_deps}; do
unset found pkgn pkgv _arch _shprovides
pkgn="$($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
# If dependency is a development pkg switch it to 32bit.
if [[ $pkgn =~ '-devel' ]]; then
echo " RDEP: $f -> ${pkgn}-32bit${pkgv} (development)"
printf "${pkgn}-32bit${pkgv} " >> ${destdir32}/rdeps
continue
fi
# If dependency is noarch do not change it to 32bit.
_arch=$($XBPS_QUERY_CMD -R --property=architecture "$f")
if [ "${_arch}" = "noarch" ]; then
echo " RDEP: $f -> ${pkgn}${pkgv} (noarch)"
printf "${pkgn}${pkgv} " >> ${destdir32}/rdeps
continue
fi
# If dependency does not have "shlib-provides" do not
# change it to 32bit.
for x in ${subpackages}; do
if [ "$x" = "$pkgn" ]; then
found=1
break
fi
done
if [ -z "$found" ]; then
# Dependency is not a subpkg, check shlib-provides
# via binpkgs.
_shprovides="$($XBPS_QUERY_CMD -R --property=shlib-provides "$pkgn")"
if [ -n "${_shprovides}" ]; then
echo " RDEP: $f -> ${pkgn}-32bit${pkgv} (shlib-provides)"
printf "${pkgn}-32bit${pkgv} " >> ${destdir32}/rdeps
else
echo " RDEP: $f -> ${pkgn}${pkgv} (no shlib-provides)"
printf "${pkgn}${pkgv} " >> ${destdir32}/rdeps
fi
else
if [ -s ${XBPS_DESTDIR}/${pkgn}-${version}/shlib-provides ]; then
# Dependency is a subpkg; check if it provides any shlib
# and convert to 32bit if true.
echo " RDEP: $f -> ${pkgn}-32bit${pkgv} (subpkg, shlib-provides)"
printf "${pkgn}-32bit${pkgv} " >> ${destdir32}/rdeps
else
echo " RDEP: $f -> ${pkgn}${pkgv} (subpkg, no shlib-provides)"
printf "${pkgn}${pkgv} " >> ${destdir32}/rdeps
fi
fi
done
fi
# Also install additional files set via "lib32files".
for f in ${lib32files}; do
echo "$pkgver: installing additional files: $f ..."
_targetdir=${destdir32}/$(dirname ${f})
mkdir -p ${_targetdir/\/usr\/lib/\/usr\/lib32}
cp -a ${PKGDESTDIR}/${f} ${_targetdir/\/usr\/lib/\/usr\/lib32}
done
# Additional symlinks to the native libdir.
for f in ${lib32symlinks}; do
echo "$pkgver: symlinking $f to the native libdir..."
mkdir -p ${destdir32}/usr/lib{,32}
ln -sfr ${destdir32}/usr/lib32/$f ${destdir32}/usr/lib/$f
done
# If it's a development pkg add a dependency to the 64bit pkg.
if [[ $pkgname =~ '-devel' ]]; then
echo " RDEP: ${pkgver}"
printf "${pkgver} " >> ${destdir32}/rdeps
fi
printf "\n" >> ${destdir32}/rdeps
}