scripts/wrapper.in
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Aug 29 18:27:47 2009 +0200 (2009-08-29)
changeset 1492 b97f8fa54d67
parent 1402 146c62142e1b
child 1960 8307ceabe5c0
permissions -rw-r--r--
tool wrapper: add initial wrapper coded in C

Add an initial wrapper:
- find the realpath of the tool being called
- add the '.' in front of the tool name
- add the '/lib' dir to the base dir of the tool
- set and export LD_LIBRARY_PATH
- execve the real tool
yann@1402
     1
#!/bin/sh
yann@1401
     2
bartvdrmeulen@1434
     3
canonicalizedname=$(readlink -nm "${0}")
bartvdrmeulen@1434
     4
dirname="$(dirname "${canonicalizedname}")"
bartvdrmeulen@1434
     5
basename="$(basename "${canonicalizedname}")"
yann@1401
     6
yann@1401
     7
ld_lib_path="$(dirname "${dirname}")/lib"
yann@1401
     8
yann@1401
     9
case ":${LD_LIBRARY_PATH}:" in
yann@1401
    10
    *":${ld_lib_path}:"*)   ;;
yann@1401
    11
    *)  LD_LIBRARY_PATH="${ld_lib_path}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}";;
yann@1401
    12
esac
yann@1401
    13
yann@1401
    14
export LD_LIBRARY_PATH
yann@1402
    15
exec "${dirname}/.${basename}" "$@"