1 files changed, 48 insertions, 0 deletions
diff --git a/release/tools/optimize_lib.sh b/release/tools/optimize_lib.sh
new file mode 100755
index 00000000..c3e6dd6d
--- /dev/null
+++ b/release/tools/optimize_lib.sh
@@ -0,0 +1,48 @@
+#!/bin/sh
+
+#set -x
+
+NM=mipsel-uclibc-nm
+LD=mipsel-uclibc-ld
+STRIP=mipsel-uclibc-strip
+
+DIR=$1
+LIB_SO=$2
+LIB_A=$3
+LIB_SO_M=$4
+SEARCHDIR=$5
+INSTALLLIB=$6
+
+MAP=${DIR}/.map
+SYM=${DIR}/.sybmols
+UNR=${DIR}/.unresolved
+BINARIES=`find $SEARCHDIR -path $SEARCHDIR/lib -prune -o -type f -print | file -f - | grep ELF | cut -d':' -f1`
+
+if [ ! -f ${DIR}/${LIB_SO} ] ; then
+	echo "Cann't find ${DIR}/${LIB_SO}";
+	exit 0;
+fi
+
+if [ ! -f ${DIR}/${LIB_A} ] ; then
+	echo "Cann't find ${DIR}/${LIB_A}";
+	exit 0;
+fi
+
+rm -f $MAP
+rm -f $SYM
+rm -f $UNR
+
+$NM -o --defined-only --no-sort ${DIR}/${LIB_SO} | cut -d' ' -f3 > $MAP
+$NM --dynamic -u --no-sort $BINARIES | sort -u > $UNR
+for symbol in `cat $UNR` ; do 
+	if grep -q "^$symbol" $MAP ; then echo "-u $symbol" >> $SYM ;
+fi ; done 
+
+if ls $SYM ; then 
+	xargs -t $LD -shared -o ${DIR}/${LIB_SO_M} ${DIR}/${LIB_A} < $SYM ;
+fi
+
+if [ "a$INSTALLLIB" != "a" -a -f ${DIR}/${LIB_SO_M} ] ; then
+	install ${DIR}/${LIB_SO_M} $INSTALLLIB
+	$STRIP $INSTALLLIB
+fi