util/shlib_wrap.sh

   1 #!/bin/sh
   2
   3 [ $# -ne 0 ] || set -x          # debug mode without arguments:-)
   4
   5 THERE="`echo $0 | sed -e 's|[^/]*$||' 2>/dev/null`.."
   6 [ -d "${THERE}" ] || exec "$@"  # should never happen...
   7
   8 # Alternative to this is to parse ${THERE}/Makefile...
   9 LIBCRYPTOSO="${THERE}/libcrypto.so"
  10 if [ -f "$LIBCRYPTOSO" ]; then
  11     while [ -h "$LIBCRYPTOSO" ]; do
  12         LIBCRYPTOSO="${THERE}/`ls -l "$LIBCRYPTOSO" | sed -e 's|.*\-> ||'`"
  13     done
  14     SOSUFFIX=`echo ${LIBCRYPTOSO} | sed -e 's|.*\.so||' 2>/dev/null`
  15     LIBSSLSO="${THERE}/libssl.so${SOSUFFIX}"
  16 fi
  17
  18 SYSNAME=`(uname -s) 2>/dev/null`;
  19 case "$SYSNAME" in
  20 SunOS|IRIX*)
  21         # SunOS and IRIX run-time linkers evaluate alternative
  22         # variables depending on target ABI...
  23         rld_var=LD_LIBRARY_PATH
  24         case "`(/usr/bin/file "$LIBCRYPTOSO") 2>/dev/null`" in
  25         *ELF\ 64*SPARC*)
  26                 [ -n "$LD_LIBRARY_PATH_64" ] && rld_var=LD_LIBRARY_PATH_64
  27                 ;;
  28         *ELF\ N32*MIPS*)
  29                 [ -n "$LD_LIBRARYN32_PATH" ] && rld_var=LD_LIBRARYN32_PATH
  30                 _RLDN32_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLDN32_LIST
  31                 ;;
  32         *ELF\ 64*MIPS*)
  33                 [ -n "$LD_LIBRARY64_PATH"  ] && rld_var=LD_LIBRARY64_PATH
  34                 _RLD64_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"; export _RLD64_LIST
  35                 ;;
  36         esac
  37         eval $rld_var=\"${THERE}:'$'$rld_var\"; export $rld_var
  38         unset rld_var
  39         ;;
  40 *)      LD_LIBRARY_PATH="${THERE}:$LD_LIBRARY_PATH"     # Linux, ELF HP-UX
  41         DYLD_LIBRARY_PATH="${THERE}:$DYLD_LIBRARY_PATH" # MacOS X
  42         SHLIB_PATH="${THERE}:$SHLIB_PATH"               # legacy HP-UX
  43         LIBPATH="${THERE}:$LIBPATH"                     # AIX, OS/2
  44         export LD_LIBRARY_PATH DYLD_LIBRARY_PATH SHLIB_PATH LIBPATH
  45         # Even though $PATH is adjusted [for Windows sake], it doesn't
  46         # necessarily does the trick. Trouble is that with introduction
  47         # of SafeDllSearchMode in XP/2003 it's more appropriate to copy
  48         # .DLLs in vicinity of executable, which is done elsewhere...
  49         if [ "$OSTYPE" != msdosdjgpp ]; then
  50                 PATH="${THERE}:$PATH"; export PATH
  51         fi
  52         ;;
  53 esac
  54
  55 if [ -f "$LIBCRYPTOSO" ]; then
  56         # Following three lines are major excuse for isolating them into
  57         # this wrapper script. Original reason for setting LD_PRELOAD
  58         # was to make it possible to pass 'make test' when user linked
  59         # with -rpath pointing to previous version installation. Wrapping
  60         # it into a script makes it possible to do so on multi-ABI
  61         # platforms.
  62         case "$SYSNAME" in
  63         *BSD)   LD_PRELOAD="$LIBCRYPTOSO:$LIBSSLSO" ;;  # *BSD
  64         *)      LD_PRELOAD="$LIBCRYPTOSO $LIBSSLSO" ;;  # SunOS, Linux, ELF HP-UX
  65         esac
  66         _RLD_LIST="$LIBCRYPTOSO:$LIBSSLSO:DEFAULT"      # Tru64, o32 IRIX
  67         export LD_PRELOAD _RLD_LIST
  68 fi
  69
  70 exec "$@"