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scripts/wrapper.in
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Tue Nov 23 21:35:28 2010 +0100 (2010-11-23)
branch1.9
changeset 2198 6d909657dbdf
parent 1434 7e7290acccc1
permissions -rw-r--r--
scripts/xldd: better find sysroot with old gcc

Only starting with 4.4 does gcc have a -print-sysroot option.
For 4.3 or before, we have to play some tricks:
- ask gcc where libc.so is,
(we expect it in ${sysroot}/usr/lib/libc.so)
- trim /usr/lib/libc.so from the result

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
(transplanted from aa2305c5b2a57fbcda9a1b5bb5fb3a476ac49a13) 
     1 #!/bin/sh

     2 

     3 # this wrapper will not work under BSD systems or others

     4 # not containig the GNU readlink.

     5 # Under those, wrapper.c will forcibly be used

     6 # regardless of the config file setting.

     7 

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

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

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

    11 

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

    13 

    14 case ":${LD_LIBRARY_PATH}:" in

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

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

    17 esac

    18 

    19 export LD_LIBRARY_PATH

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