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trylink: reinstate accidentally deleted --verbose

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trylink: remove commented-out parts
This commit is contained in:
Denis Vlasenko 2007-09-03 11:28:14 +00:00
parent fc202427d5
commit 9862e6b056
1 changed files with 17 additions and 34 deletions
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51
scripts/trylink
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@ -14,9 +14,8 @@ try() {
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/' -e 's/^-l$//'`
echo "Trying libraries: $BBOX_LIB_LIST"
l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
try "$l_list" "$@" \
|| {
@ -25,16 +24,8 @@ try "$l_list" "$@" \
exit 1
}
#### Hack disabled: conflicts with ld --verbose flag in last link phase
##### Hack: we are not supposed to know executable name,
##### but this hack cuts down link time
####mv busybox_unstripped busybox_unstripped.tmp
####mv busybox.map busybox.map.tmp
# Now try to remove each lib and build without it.
# Stop when no lib can be removed.
####ever_discarded=false
while test "$BBOX_LIB_LIST"; do
$debug && echo "Trying libraries: $BBOX_LIB_LIST"
all_needed=true
@ -47,7 +38,6 @@ while test "$BBOX_LIB_LIST"; do
echo "Library $one is not needed"
BBOX_LIB_LIST="$without_one"
all_needed=false
#### ever_discarded=true
else
echo "Library $one is needed"
fi
@ -60,26 +50,19 @@ while test "$BBOX_LIB_LIST"; do
#{ 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/' -e 's/^-l$//'`
# --verbose gives us gobs of info to stdout (e.g. linker script used)
test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group -Wl,--verbose"
if ! test -f busybox_ldscript; then
try "$l_list" "$@" >busybox_ld.out ####|| exit 1
else
echo "Custom linker script 'busybox_ldscript' found, using it"
# Add SORT_BY_ALIGNMENT to linker script (found in busybox_ld.out):
# .rodata : { *(.rodata SORT_BY_ALIGNMENT(.rodata.*) .gnu.linkonce.r.*) }
# *(.data SORT_BY_ALIGNMENT(.data.*) .gnu.linkonce.d.*)
# *(.bss SORT_BY_ALIGNMENT(.bss.*) .gnu.linkonce.b.*)
# This will eliminate most of the data padding (~3kb).
try "$l_list -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