[oe] [PATCH] utils.bbclass: modify create_wrapper to correctly follow symlinks

[Andreas Mueller]

* taken from OE-Core [1]
* thanks Khem for pointing out[2]
* fixes build failure perl

| env: ./perl5.10.1.real: No such file or directory
| make[1]: *** [pod/perlapi.pod] Error 127

[1] http://git.openembedded.org/cgit.cgi/openembedded-core/commit/?id=a10bd976f4cef54ac50b0c82f885c17a26e5989f
[2] http://lists.linuxtogo.org/pipermail/openembedded-core/2011-May/002975.html

Signed-off-by: Andreas Mueller <schnitzeltony at gmx.de>
---
 classes/utils.bbclass |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/classes/utils.bbclass b/classes/utils.bbclass
index 7591d47..936f7fd 100644
--- a/classes/utils.bbclass
+++ b/classes/utils.bbclass
@@ -407,7 +407,8 @@ create_wrapper () {
    cmdname=`basename $cmd`.real
    cat <<END >$cmd
 #!/bin/sh
-exec env $@ \`dirname \$0\`/$cmdname "\$@"
+realpath=\`readlink -fn \$0\`
+exec env $@ \`dirname \$realpath\`/$cmdname "\$@"
 END
    chmod +x $cmd
 }
-- 
1.7.4.4