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authorGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-07 17:05:42 +0000
committerGravatar Denis Vlasenko <vda.linux@googlemail.com>2007-10-07 17:05:42 +0000
commit76a6b236a9e2654e8c296c61cf71e0cf8bf4a64c (patch)
tree289014f80d67bd02f3e2295ab9dc7d8ff02f03c6 /scripts
parent3240474c23bf4f47536a854693b4cbacb54b9b04 (diff)
downloadbusybox-76a6b236a9e2654e8c296c61cf71e0cf8bf4a64c.tar.gz
busybox-76a6b236a9e2654e8c296c61cf71e0cf8bf4a64c.tar.bz2
reviving libbusybox, adding CONFIG_INDIVIDUAL part 2
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/trylink28
1 files changed, 15 insertions, 13 deletions
diff --git a/scripts/trylink b/scripts/trylink
index 19b0ba715..c621b7c01 100755
--- a/scripts/trylink
+++ b/scripts/trylink
@@ -21,12 +21,12 @@ A_FILES="$5"
LDLIBS="$6"
# Sanitize lib list (dups, extra spaces etc)
-BBOX_LIB_LIST=`echo "$BBOX_LIB_LIST" | xargs -n1 | sort | uniq | xargs`
+LDLIBS=`echo "$LDLIBS" | xargs -n1 | sort | uniq | xargs`
# First link with all libs. If it fails, bail out
-echo "Trying libraries: $BBOX_LIB_LIST"
+echo "Trying libraries: $LDLIBS"
# "lib1 lib2 lib3" -> "-llib1 -llib2 -llib3"
-l_list=`echo "$BBOX_LIB_LIST" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
+l_list=`echo "$LDLIBS" | 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 $CC $LDFLAGS \
-o $EXE -Wl,-Map -Wl,$EXE.map \
@@ -42,11 +42,11 @@ try $CC $LDFLAGS \
# Now try to remove each lib and build without it.
# Stop when no lib can be removed.
-while test "$BBOX_LIB_LIST"; do
- $debug && echo "Trying libraries: $BBOX_LIB_LIST"
+while test "$LDLIBS"; do
+ $debug && echo "Trying libraries: $LDLIBS"
all_needed=true
- for one in $BBOX_LIB_LIST; do
- without_one=`echo " $BBOX_LIB_LIST " | sed "s/ $one / /g" | xargs`
+ for one in $LDLIBS; do
+ without_one=`echo " $LDLIBS " | sed "s/ $one / /g" | xargs`
# "lib1 lib2 lib3" -> "-llib1 -llib2 -llib3"
l_list=`echo "$without_one" | sed -e 's/ / -l/g' -e 's/^/-l/' -e 's/^-l$//'`
test "x$l_list" != "x" && l_list="-Wl,--start-group $l_list -Wl,--end-group"
@@ -59,7 +59,7 @@ while test "$BBOX_LIB_LIST"; do
>/dev/null
if test $? = 0; then
echo "Library $one is not needed"
- BBOX_LIB_LIST="$without_one"
+ LDLIBS="$without_one"
all_needed=false
else
echo "Library $one is needed"
@@ -70,12 +70,12 @@ while test "$BBOX_LIB_LIST"; do
# If there is no space char, the list has just one lib.
# I'm not sure that in this case lib really is 100% needed.
# Let's try linking without it anyway... thus commented out.
- #{ echo "$BBOX_LIB_LIST" | grep -q ' '; } || break
+ #{ echo "$LDLIBS" | grep -q ' '; } || break
done
# 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$//'`
+echo "Final link with: $LDLIBS"
+l_list=`echo "$LDLIBS" | 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
@@ -87,11 +87,11 @@ if ! test -f busybox_ldscript; then
>/dev/null
else
echo "Custom linker script 'busybox_ldscript' found, using it"
- # Add SORT_BY_ALIGNMENT to linker script (found in ${EXE}_ld.out):
+ # Add SORT_BY_ALIGNMENT to linker script (found in $EXE.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).
+ # This will eliminate most of the padding (~3kb).
try $CC $LDFLAGS \
-o $EXE -Wl,-Map -Wl,$EXE.map \
-Wl,--warn-common -Wl,--sort-common -Wl,--gc-sections \
@@ -118,6 +118,7 @@ try $CC $LDFLAGS \
echo "Linking $EXE failed"
exit 1
}
+strip -s --remove-section=.note --remove-section=.comment $EXE
EXE="0lib/busybox"
try $CC $LDFLAGS \
@@ -131,3 +132,4 @@ try $CC $LDFLAGS \
echo "Linking $EXE failed"
exit 1
}
+strip -s --remove-section=.note --remove-section=.comment $EXE