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kiss: Drop readelf dependency.

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Dylan Araps 2020-05-24 16:56:30 +03:00
parent 18c304951d
commit c1b98b4f3b
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1 changed files with 23 additions and 6 deletions
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@ -441,13 +441,30 @@ pkg_strip() {
log "$1" "Stripping binaries and libraries" log "$1" "Stripping binaries and libraries"
# Strip only files matching the below ELF types. # Strip only files matching the below ELF types. This uses 'od' to print
# the 2 bytes starting from an offset of 16 bytes (bytes 17 and 18). This
# is the location of the ELF type inside of the ELF headers.
#
# Static libraries (.a) are in reality AR archives which contain ELF
# objects. Our handling of static libraries is simply the assumption that
# the same byte area contains '020040'.
#
# Tools like 'readelf' will seamlessly read '.a' files as if they were
# of ELF format (effectively hiding this fact).
#
# 000001,020040: REL (static libraries (.a))
# 000002: EXEC (binaries)
# 000003: DYN (shared libraries (.so), sometimes binaries)
find "$pkg_dir/$1" -type f | while read -r file; do find "$pkg_dir/$1" -type f | while read -r file; do
case $(readelf -h "$file" 2>/dev/null) in case $(od -j 16 -N 2 "$file") in
*" DYN "*) strip --strip-nneeded "$file" ;; *' 000001'*|*' 020040'*) strip_flag=debug ;;
*" EXEC "*) strip --strip-all "$file" ;; *' 000002'*) strip_flag=all ;;
*" REL "*) strip --strip-debug "$file" ;; *' 000003'*) strip_flag=unneeded ;;
esac 2>/dev/null *) continue
esac
strip "--strip-$strip_flag" -R .comment -R .note "$file" &&
printf 'stripped %10s %s\n' "($strip_flag)" "${file##*/}"
done 2>/dev/null ||: done 2>/dev/null ||:
} }