base-files: relink uclibc and libgcc libraries to remove leftovers of the statically...

[openwrt-github/.git] / scripts / relink-lib.sh

diff --git a/scripts/relink-lib.sh b/scripts/relink-lib.sh
new file mode 100755 (executable)
index 0000000..5367b70
--- /dev/null
+++ b/scripts/relink-lib.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+[ $# -lt 4 -o -z "$1" -o -z "$2" -o -z "$3" -o -z "$4" ] && {
+       echo "Usage: $0 <cross> <reference> <pic .a> <destination>"
+       exit 1
+}
+
+cross="$1"; shift
+ref="$1"; shift
+pic="$1"; shift
+dest="$1"; shift
+
+SYMBOLS="$(${cross}nm "$ref" | grep -E '........ [TW] ' | awk '$3 {printf "-u%s ", $3}')"
+set -x
+${cross}gcc -nostdlib -nostartfiles -shared -Wl,--gc-sections -o "$dest" $SYMBOLS "$pic" "$@"