exherbo-config/hooks/ebuild_install_post/prune_libtool_files.bash

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#!/bin/bash
source "${PALUDIS_EBUILD_DIR}/echo_functions.bash"
prune_libtool_files() {
local removing_all removing_modules opt
for opt; do
case "${opt}" in
--all)
removing_all=1
removing_modules=1
;;
--modules)
removing_modules=1
;;
*)
die "Invalid argument to ${FUNCNAME}(): ${opt}"
esac
done
local f
local queue=()
while IFS= read -r -d '' f; do # for all .la files
local archivefile=${f/%.la/.a}
# The following check is done by libtool itself.
# It helps us avoid removing random files which match '*.la',
# see bug #468380.
if ! sed -n -e '/^# Generated by .*libtool/q0;4q1' "${f}"; then
continue
fi
[[ ${f} != ${archivefile} ]] || die 'regex sanity check failed'
local reason= pkgconfig_scanned=
local snotlink=$(sed -n -e 's:^shouldnotlink=::p' "${f}")
if [[ ${snotlink} == yes ]]; then
# Remove static libs we're not supposed to link against.
if [[ -f ${archivefile} ]]; then
einfo "Removing unnecessary ${archivefile#${IMAGE%/}} (static plugin)"
queue+=( "${archivefile}" )
fi
# The .la file may be used by a module loader, so avoid removing it
# unless explicitly requested.
if [[ ${removing_modules} ]]; then
reason='module'
fi
else
# Remove .la files when:
# - user explicitly wants us to remove all .la files,
# - respective static archive doesn't exist,
# - they are covered by a .pc file already,
# - they don't provide any new information (no libs & no flags).
if [[ ${removing_all} ]]; then
reason='requested'
elif [[ ! -f ${archivefile} ]]; then
reason='no static archive'
elif [[ ! $(sed -nre \
"s/^(dependency_libs|inherited_linker_flags)='(.*)'$/\2/p" \
"${f}") ]]; then
reason='no libs & flags'
else
if [[ ! ${pkgconfig_scanned} ]]; then
# Create a list of all .pc-covered libs.
local pc_libs=()
if [[ ! ${removing_all} ]]; then
local pc
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local tf=${TEMP}/prune-lt-files.pc
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local pkgconf=${PKG_CONFIG}
while IFS= read -r -d '' pc; do # for all .pc files
local arg libs
# Use pkg-config if available (and works),
# fallback to sed.
if ${pkgconf} --exists "${pc}" &>/dev/null; then
sed -e '/^Requires:/d' "${pc}" > "${tf}"
libs=$(${pkgconf} --libs "${tf}")
else
libs=$(sed -ne 's/^Libs://p' "${pc}")
fi
for arg in ${libs}; do
if [[ ${arg} == -l* ]]; then
if [[ ${arg} == '*$*' ]]; then
ewarn "${FUNCNAME}: variable substitution likely failed in ${pc}"
ewarn "(arg: ${arg})"
ewarn "Most likely, you need to add virtual/pkgconfig to DEPEND."
fi
pc_libs+=( lib${arg#-l}.la )
fi
done
done < <(find "${IMAGE}" -type f -name '*.pc' -print0)
rm -f "${tf}"
fi
pkgconfig_scanned=1
fi # pkgconfig_scanned
has "${f##*/}" "${pc_libs[@]}" && reason='covered by .pc'
fi # removal due to .pc
fi # shouldnotlink==no
if [[ ${reason} ]]; then
einfo "Removing unnecessary ${f#${IMAGE%/}} (${reason})"
queue+=( "${f}" )
fi
done < <(find "${IMAGE}" -xtype f -name '*.la' -print0)
if [[ ${queue[@]} ]]; then
rm -f "${queue[@]}"
fi
}
if [[ "${CATEGORY}/${PN}" != "sys-devel/gcc" &&
"${CATEGORY}/${PN}" != "dev-libs/openssl" &&
"${CATEGORY}/${PN}" != "dev-libs/libressl" &&
"${CATEGORY}/${PN}" != "sys-libs/db" &&
"${CATEGORY}/${PN}" != "media-libs/giflib" &&
"${CATEGORY}/${PN}" != "dev-libs/gmp" &&
"${CATEGORY}/${PN}" != "dev-lang/mono" &&
"${CATEGORY}/${PN}" != "media-libs/libpng" &&
"${CATEGORY}/${PN}" != "sys-devel/binutils" &&
"${CATEGORY}/${PN}" != "dev-lang/llvm" &&
"${CATEGORY}/${PN}" != "dev-lang/clang" &&
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"${CATEGORY}/${PN}" != "media-gfx/ImageMagick" &&
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"${CATEGORY}/${PN}" != "sys-libs/libstdc++" &&
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"${CATEGORY}/${PN}" != "app-text/opensp" &&
"${CATEGORY}/${PN}" != "x11-libs/graphite2" &&
"${CATEGORY}/${PN}" != "sys-apps/dbus" &&
"${CATEGORY}/${PN}" != "sys-apps/util-linux" &&
"${CATEGORY}/${PN}" != "media-libs/freetype" &&
"${CATEGORY}/${PN}" != "dev-libs/libunistring" &&
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"${CATEGORY}/${PN}" != "dev-libs/expat"
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]] ; then
prune_libtool_files --all
fi