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diff -urN busybox-1.7.0/scripts/trylink busybox-1.7.0-trylink/scripts/trylink
--- busybox-1.7.0/scripts/trylink 2007-08-24 11:49:43.000000000 +0100
+++ busybox-1.7.0-trylink/scripts/trylink 2007-09-03 12:08:18.000000000 +0100
@@ -14,37 +14,30 @@
BBOX_LIB_LIST=`echo "$BBOX_LIB_LIST" | xargs -n1 | sort | uniq | xargs`
# First link with all libs. If it fails, bail out
-l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
echo "Trying libraries: $BBOX_LIB_LIST"
-try "-Wl,--start-group $l_list -Wl,--end-group" "$@" \
+l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
+test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
+try "$l_list" "$@" \
|| {
echo "Failed: $* -Wl,--start-group $l_list -Wl,--end-group"
cat busybox_ld.err
exit 1
}
-#### Hack disabled: conflicts with ld --verbose flag in last link phase
-
-##### Hack: we are not supposed to know executable name,
-##### but this hack cuts down link time
-####mv busybox_unstripped busybox_unstripped.tmp
-####mv busybox.map busybox.map.tmp
-
# Now try to remove each lib and build without it.
# Stop when no lib can be removed.
-####ever_discarded=false
while test "$BBOX_LIB_LIST"; do
$debug && echo "Trying libraries: $BBOX_LIB_LIST"
all_needed=true
for one in $BBOX_LIB_LIST; do
without_one=`echo " $BBOX_LIB_LIST " | sed "s/ $one / /g" | xargs`
- l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/'`
- $debug && echo "Trying -l options: $l_list"
- if try "-Wl,--start-group $l_list -Wl,--end-group" "$@"; then
+ l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
+ test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
+ $debug && echo "Trying -l options: '$l_list'"
+ if try "$l_list" "$@"; then
echo "Library $one is not needed"
BBOX_LIB_LIST="$without_one"
all_needed=false
-#### ever_discarded=true
else
echo "Library $one is needed"
fi
@@ -57,24 +50,19 @@
#{ echo "$BBOX_LIB_LIST" | grep -q ' '; } || break
done
-####mv busybox_unstripped.tmp busybox_unstripped
-####mv busybox.map.tmp busybox.map
-####$ever_discarded && {
- # Make the binary with final, minimal list of libs
- echo "Final link with: $BBOX_LIB_LIST"
- l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/'`
- # --verbose gives us gobs of info to stdout (e.g. linker script used)
- if ! test -f busybox_ldscript; then
- try "-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose" "$@" >busybox_ld.out ####|| exit 1
- else
- echo "Custom linker script 'busybox_ldscript' found, using it"
- # Add SORT_BY_ALIGNMENT to linker script (found in busybox_ld.out):
- # .rodata : { *(.rodata SORT_BY_ALIGNMENT(.rodata.*) .gnu.linkonce.r.*) }
- # *(.data SORT_BY_ALIGNMENT(.data.*) .gnu.linkonce.d.*)
- # *(.bss SORT_BY_ALIGNMENT(.bss.*) .gnu.linkonce.b.*)
- # This will eliminate most of the data padding (~3kb).
- try "-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose -Wl,-T -Wl,busybox_ldscript" "$@" >busybox_ld.out
- fi
-####}
-####rm busybox_ld.err
-####exit 0 # Ensure "success" exit code
+# Make the binary with final, minimal list of libs
+echo "Final link with: $BBOX_LIB_LIST"
+l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
+test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose"
+# --verbose gives us gobs of info to stdout (e.g. linker script used)
+if ! test -f busybox_ldscript; then
+ try "$l_list -Wl,--verbose" "$@" >busybox_ld.out
+else
+ echo "Custom linker script 'busybox_ldscript' found, using it"
+ # Add SORT_BY_ALIGNMENT to linker script (found in busybox_ld.out):
+ # .rodata : { *(.rodata SORT_BY_ALIGNMENT(.rodata.*) .gnu.linkonce.r.*) }
+ # *(.data SORT_BY_ALIGNMENT(.data.*) .gnu.linkonce.d.*)
+ # *(.bss SORT_BY_ALIGNMENT(.bss.*) .gnu.linkonce.b.*)
+ # This will eliminate most of the data padding (~3kb).
+ try "$l_list -Wl,--verbose -Wl,-T -Wl,busybox_ldscript" "$@" >busybox_ld.out
+fi
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