tests/demo-hardcode.test

   1 #! /bin/sh
   2 # demo-hardcode.test - check to see what the system linker hardcodes
   3 #
   4 #   Copyright (C) 2003, 2004 Free Software Foundation, Inc.
   5 #   Written by Gary V. Vaughan, 2003
   6 #
   7 #   This file is part of GNU Libtool.
   8 #
   9 # GNU Libtool is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License as
  11 # published by the Free Software Foundation; either version 2 of
  12 # the License, or (at your option) any later version.
  13 #
  14 # GNU Libtool is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with GNU Libtool; see the file COPYING.  If not, a copy
  21 # can be downloaded from  http://www.gnu.org/licenses/gpl.html,
  22 # or obtained by writing to the Free Software Foundation, Inc.,
  23 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  24 ####
  25
  26 . tests/defs || exit 1
  27
  28 func_require "demo-inst" "$prefix/lib/libhello.la"
  29
  30 func_mkprefixdir
  31 func_cd "tests/demo"
  32
  33 # Check to make sure we have a dynamic library.
  34 func_get_config "library_names" "cat ./libhello.la"
  35 test -z "$library_names" \
  36   && func_skip "Exiting: demo/libhello.la is not a shared library"
  37
  38 func_make "hardcode"
  39
  40 # Extra tools we might need
  41 : ${DUMPSTABS=dumpstabs}
  42
  43 # Suck in all the hardcode_* variable settings.
  44 func_msg "Finding libtool.m4's guesses at hardcoding values"
  45 func_get_config 'hardcode_direct
  46 hardcode_minus_L
  47 hardcode_shlibpath_var
  48 hardcode_libdir_flag_spec' "./libtool --config" ": fatal"
  49
  50 echo "= Searching for hardcoded library directories in each program"
  51 for file in hc-*; do
  52   case "$file" in
  53   hc-direct)  expected="$hardcode_direct" ;;
  54   hc-libpath) expected="$hardcode_shlibpath_var" ;;
  55   hc-minusL)  expected="$hardcode_minus_L" ;;
  56
  57   hc-libflag)
  58     if test -n "$hardcode_libdir_flag_spec"; then
  59       expected=yes
  60     else
  61       expected=unsupported
  62     fi
  63     ;;
  64
  65   *)
  66     continue
  67     ;;
  68   esac
  69
  70   # Discover whether the objdir really was hardcoded.
  71   hardcoded=no
  72
  73   # Solaris cc may store the command line in a debugging section,
  74   # which leads to false positives.  Unfortunately, Solaris strip
  75   # is not capable to remove the section (unlike GNU binutils strip).
  76   # So we use dumpstabs if it seems to work.
  77   if { $DUMPSTABS -d $file; } >/dev/null 2>&1; then
  78     if $DUMPSTABS -d $file 2>/dev/null | $FGREP "$objdir" >/dev/null 2>&1; then
  79       hardcoded=yes
  80     else
  81       hardcoded=no
  82     fi
  83   # At least AIX fgrep doesn't work for binary files, and AIX also
  84   # doesn't have strings(1), so we need this strange conversion
  85   # (which only works on ASCII).
  86   # AIX fgrep also has a limited line length, so we turn unprintable
  87   # characters into newlines.
  88   elif cat $file | (tr '\000-\037\200-\377' '\n' || cat) 2>/dev/null \
  89                  | $FGREP "$objdir" > /dev/null 2>&1; then
  90     hardcoded=yes
  91   elif $FGREP "$objdir" $file > /dev/null 2>&1; then
  92     # We retry fgrep without tr, in case the above lead to a false negative.
  93     hardcoded=yes
  94   elif (sed -e '1!d' $file | grep 'unsupported') >/dev/null 2>&1; then
  95     hardcoded=unsupported
  96   fi
  97
  98   # Check the result.
  99   case "$hardcoded" in
 100   yes)
 101     if test $expected = yes; then
 102       echo "$objdir was hardcoded in \`$file', as libtool expected"
 103     else
 104       echo "$objdir was hardcoded in \`$file', which fooled libtool" 1>&2
 105       exit_status=1
 106     fi
 107     ;;
 108
 109   no)
 110     if test $expected = no; then
 111       echo "$objdir was not hardcoded in \`$file', as libtool expected"
 112     else
 113       echo "$objdir was not hardcoded in \`$file', which fooled libtool" 1>&2
 114       exit_status=1
 115     fi
 116     ;;
 117
 118   unsupported)
 119     if test $expected = unsupported; then
 120       echo "\`$file' was not linked properly, as libtool expected"
 121     else
 122       echo "\`$file' was not linked properly, which fooled libtool" 1>&2
 123       exit_status=1
 124     fi
 125     ;;
 126   esac
 127 done
 128
 129 exit $exit_status