openssl/util/shlib_wrap.sh

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#!/bin/sh
[ $# -ne 0 ] || set -x # debug mode without arguments:-)
THERE="`echo $0 | sed -e 's|[^/]*$||' 2>/dev/null`.."
[ -d "${THERE}" ] || exec "$@" # should never happen...
# Alternative to this is to parse ${THERE}/Makefile...
LIBCRYPTOSO="${THERE}/libcrypto.so"
if [ -f "$LIBCRYPTOSO" ]; then
while [ -h "$LIBCRYPTOSO" ]; do
LIBCRYPTOSO="${THERE}/`ls -l "$LIBCRYPTOSO" | sed -e 's|.*\-> ||'`"
done
SOSUFFIX=`echo ${LIBCRYPTOSO} | sed -e 's|.*\.so||' 2>/dev/null`
LIBSSLSO="${THERE}/libssl.so${SOSUFFIX}"
fi
SYSNAME=`(uname -s) 2>/dev/null`;
case "$SYSNAME" in
SunOS|IRIX*)
# SunOS and IRIX run-time linkers evaluate alternative
# variables depending on target ABI...
rld_var=LD_LIBRARY_PATH
case "`(/usr/bin/file "$LIBCRYPTOSO") 2>/dev/null`" in
*ELF\ 64*SPARC*)
[ -n "$LD_LIBRARY_PATH_64" ] && rld_var=LD_LIBRARY_PATH_64
;;
*ELF\ N32*MIPS*)
[ -n "$LD_LIBRARYN32_PATH" ] && rld_var=LD_LIBRARYN32_PATH
_RLDN32_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLDN32_LIST
;;
*ELF\ 64*MIPS*)
[ -n "$LD_LIBRARY64_PATH" ] && rld_var=LD_LIBRARY64_PATH
_RLD64_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD64_LIST
;;
esac
eval $rld_var=\"${THERE}:'$'$rld_var\"; export $rld_var
unset rld_var
;;
*) LD_LIBRARY_PATH="${THERE}:$LD_LIBRARY_PATH" # Linux, ELF HP-UX
DYLD_LIBRARY_PATH="${THERE}:$DYLD_LIBRARY_PATH" # MacOS X
SHLIB_PATH="${THERE}:$SHLIB_PATH" # legacy HP-UX
LIBPATH="${THERE}:$LIBPATH" # AIX, OS/2
export LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH LIBPATH
# Even though $PATH is adjusted [for Windows sake], it doesn't
# necessarily does the trick. Trouble is that with introduction
# of SafeDllSearchMode in XP/2003 it's more appropriate to copy
# .DLLs in vicinity of executable, which is done elsewhere...
if [ "$OSTYPE" != msdosdjgpp ]; then
PATH="${THERE}:$PATH"; export PATH
fi
;;
esac
if [ -f "$LIBCRYPTOSO" ]; then
# Following three lines are major excuse for isolating them into
# this wrapper script. Original reason for setting LD_PRELOAD
# was to make it possible to pass 'make test' when user linked
# with -rpath pointing to previous version installation. Wrapping
# it into a script makes it possible to do so on multi-ABI
# platforms.
case "$SYSNAME" in
*BSD) LD_PRELOAD="$LIBCRYPTOSO:$LIBSSLSO" ;; # *BSD
*) LD_PRELOAD="$LIBCRYPTOSO $LIBSSLSO" ;; # SunOS, Linux, ELF HP-UX
esac
_RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT" # Tru64, o32 IRIX
export LD_PRELOAD _RLD_LIST
fi
exec "$@"