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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 
     1 #!/bin/sh

     2 

     3 canonicalizedname=$(readlink -nm "${0}")

     4 dirname="$(dirname "${canonicalizedname}")"

     5 basename="$(basename "${canonicalizedname}")"

     6 

     7 ld_lib_path="$(dirname "${dirname}")/lib"

     8 

     9 case ":${LD_LIBRARY_PATH}:" in

    10     *":${ld_lib_path}:"*)   ;;

    11     *)  LD_LIBRARY_PATH="${ld_lib_path}${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}";;

    12 esac

    13 

    14 export LD_LIBRARY_PATH

    15 exec "${dirname}/.${basename}" "$@"
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