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authorFelix Fietkau <nbd@openwrt.org>2011-03-01 05:40:38 +0000
committerFelix Fietkau <nbd@openwrt.org>2011-03-01 05:40:38 +0000
commit1cc0bcfffc9403782022092846233fd28e09dc98 (patch)
tree53fe504fd8dfc3e7f0434d55bafb2811ae613e0d /scripts
parent15a014c13ab1d0055ec2859b7568d2427d16f95e (diff)
downloadupstream-1cc0bcfffc9403782022092846233fd28e09dc98.tar.gz
upstream-1cc0bcfffc9403782022092846233fd28e09dc98.tar.bz2
upstream-1cc0bcfffc9403782022092846233fd28e09dc98.zip
base-files: relink uclibc and libgcc libraries to remove leftovers of the statically linked initial libgcc saves a few kb and gets rid of unused not exported functions as well should also improve the reliability of mklibs
SVN-Revision: 25800
Diffstat (limited to 'scripts')
-rwxr-xr-xscripts/relink-lib.sh14
1 files changed, 14 insertions, 0 deletions
diff --git a/scripts/relink-lib.sh b/scripts/relink-lib.sh
new file mode 100755
index 0000000000..5367b70935
--- /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" "$@"