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Canonicalize prefix dir and sysroot

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... because GCC prints the sysroot with symlinks resolved.

Fixes #892.

Signed-off-by: Alexey Neyman <stilor@att.net>
This commit is contained in:
Alexey Neyman 2019-01-14 23:56:40 -08:00
parent eb72b4eb1d
commit e05fa86bba
1 changed files with 14 additions and 5 deletions
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19
scripts/build/cc/gcc.sh
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@ -765,15 +765,24 @@ do_cc_for_build() {
CT_EndStep
}
gcc_movelibs() {
gcc_movelibs()
{
local multi_flags multi_dir multi_os_dir multi_os_dir_gcc multi_root multi_index multi_count
local gcc_dir dst_dir
local gcc_dir dst_dir canon_root canon_prefix
local rel
for arg in "$@"; do
eval "${arg// /\\ }"
done
# GCC prints the sysroot in canonicalized form, which may be different if there
# is a symlink in the path. Since we need textual match to obtain a relative
# subdirectory path, canonicalize the prefix directory. Since GCC's behavior
# is not documented and hence may change at any time, canonicalize it too just
# for the good measure.
canon_root=$( cd "${multi_root}" && pwd -P )
canon_prefix=$( cd "${CT_PREFIX_DIR}" && pwd -P )
# Move only files, directories are for other multilibs. We're looking inside
# GCC's directory structure, thus use unmangled multi_os_dir that GCC reports.
gcc_dir="${CT_PREFIX_DIR}/${CT_TARGET}/lib/${multi_os_dir_gcc}"
@ -784,9 +793,9 @@ gcc_movelibs() {
# Depending on the selected libc, we may or may not have the ${multi_os_dir_gcc}
# created by libc installation. If we do, use it. If we don't, use ${multi_os_dir}
# to avoid creating an otherwise empty directory.
dst_dir="${multi_root}/lib/${multi_os_dir_gcc}"
dst_dir="${canon_root}/lib/${multi_os_dir_gcc}"
if [ ! -d "${dst_dir}" ]; then
dst_dir="${multi_root}/lib/${multi_os_dir}"
dst_dir="${canon_root}/lib/${multi_os_dir}"
fi
CT_SanitizeVarDir dst_dir gcc_dir
rel=$( echo "${gcc_dir#${CT_PREFIX_DIR}/}" | sed 's#[^/]\{1,\}#..#g' )
@ -802,7 +811,7 @@ gcc_movelibs() {
if [ -f "${gcc_dir}/${f}" ]; then
CT_DoExecLog ALL mkdir -p "${dst_dir}"
CT_DoExecLog ALL mv "${gcc_dir}/${f}" "${dst_dir}/${f}"
CT_DoExecLog ALL ln -sf "${rel}/${dst_dir#${CT_PREFIX_DIR}/}/${f}" "${gcc_dir}/${f}"
CT_DoExecLog ALL ln -sf "${rel}/${dst_dir#${canon_prefix}/}/${f}" "${gcc_dir}/${f}"
fi
done
}