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557fb713e0
update_passwd 732 734 +2 chpasswd_main 318 292 -26 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 1/1 up/down: 2/-26) Total: -24 bytes text data bss dec hex filename 781564 1168 11900 794632 c2008 busybox_old 781548 1168 11900 794616 c1ff8 busybox_unstripped
64 lines
2.0 KiB
Bash
Executable File
64 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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debug=false
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try() {
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added="$1"
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shift
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$debug && echo "Trying: $* $added"
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"$@" $added >busybox.map 2>busybox_ld.err
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}
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# Sanitize lib list (dups, extra spaces etc)
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#echo "BBOX_LIB_LIST=$BBOX_LIB_LIST"
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BBOX_LIB_LIST=`echo "$BBOX_LIB_LIST" | xargs -n1 | sort | uniq | xargs`
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# First link with all libs. If it fails, bail out
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l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
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echo "Trying libraries: $BBOX_LIB_LIST"
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try "-Wl,--start-group $l_list -Wl,--end-group" "$@" \
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|| {
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echo "Failed: $* -Wl,--start-group $l_list -Wl,--end-group"
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cat busybox_ld.err
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exit 1
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}
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# Hack: we are not supposed to know executable name,
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# but this hack cuts down link time
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mv busybox_unstripped busybox_unstripped.tmp
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# Now try to remove each lib and build without.
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# Stop when no lib can be removed.
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ever_discarded=false
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while test "$BBOX_LIB_LIST"; do
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$debug && echo "Trying libraries: $BBOX_LIB_LIST"
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all_needed=true
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for one in $BBOX_LIB_LIST; do
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without_one=`echo " $BBOX_LIB_LIST " | sed "s/ $one / /g" | xargs`
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l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/'`
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$debug && echo "Trying -l options: $l_list"
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if try "-Wl,--start-group $l_list -Wl,--end-group" "$@"; then
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echo "Library $one is not needed"
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BBOX_LIB_LIST="$without_one"
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all_needed=false
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ever_discarded=true
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else
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echo "Library $one is needed"
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fi
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done
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# All libs were needed, can't remove any
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$all_needed && break
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# If there is no space, the list has just one lib.
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# I'm not sure that in this case lib really is 100% needed.
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# Let's try linking without it anyway... thus commented out.
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#echo "$BBOX_LIB_LIST" | grep -q ' ' || break
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done
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mv busybox_unstripped.tmp busybox_unstripped
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$ever_discarded && {
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# Ok, make the binary
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echo "Final link with: $BBOX_LIB_LIST"
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l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
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try "-Wl,--start-group $l_list -Wl,--end-group" "$@"
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}
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exit 0 # Ensure "success" exit code
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