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Fix a bug in libtool's ltmain.sh. On Cygwin the "$output.exp" expression

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expands to a full path name. Substitute $outputname.exp" instead and it
makes a viable temporary file name. This gets around the problem with lli
on Cygwin linking but not having any "C" library functions linked into it.

llvm-svn: 19123
This commit is contained in:
Reid Spencer 2004-12-24 00:15:20 +00:00
parent 5885a388b8
commit 1ba681007f
2 changed files with 13 additions and 12 deletions
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19
autoconf/README.TXT
View File

@ -8,20 +8,21 @@ If you are in the mood to upgrade libtool, you must do the following:
3. Copy <SRC>/ltdl.m4 to llvm/autoconf/m4
4. Copy <PFX>/share/aclocal/libtool.m4 to llvm/autoconf/m4/libtool.m4
5. Copy <PFX>/share/libtool/ltmain.sh to llvm/autoconf/ltmain.sh
6. Copy <PFX>/share/libtool/libltdl/ltdl.c to llvm/lib/System
7. Copy <PFX>/share/libtool/libltdl/ltdl.h to llvm/lib/System
8. Adjust the llvm/autoconf/m4/libtool.m4 file to ensure that the variable
6. Run sed -e 's/output.exp/outputname.exp/g' on ltmain.sh
7. Copy <PFX>/share/libtool/libltdl/ltdl.c to llvm/lib/System
8. Copy <PFX>/share/libtool/libltdl/ltdl.h to llvm/lib/System
9. Adjust the llvm/autoconf/m4/libtool.m4 file to ensure that the variable
default_ofile is set to "mklib" instead of "libtool"
9. Run "autoupdate libtool.m4 ltdl.m4" in the llvm/autoconf/m4 directory.
10. Run "autoupdate libtool.m4 ltdl.m4" in the llvm/autoconf/m4 directory.
This should correctly update the macro definitions in the libtool m4
files to match the version of autoconf that LLVM uses. This converts
AC_HELP_STRING to AS_HELP_STRING and AC_TRY_LINK to AC_LINK_IFELSE, amongst
other things. You may need to manually adjust the files.
10. Run AutoRegen.sh to get the new macros into configure script
11. If there are any warnings from configure, go to step 9.
12. Rebuild LLVM, making sure it reconfigured
13. Test the JIT which uses libltdl
14. If it all works, only THEN commit the changes.
11. Run AutoRegen.sh to get the new macros into configure script
12. If there are any warnings from configure, go to step 9.
13. Rebuild LLVM, making sure it reconfigured
14. Test the JIT which uses libltdl
15. If it all works, only THEN commit the changes.
Upgrading autoconf
===============================================================================

6
autoconf/ltmain.sh
View File

@ -4327,12 +4327,12 @@ extern \"C\" {
# Prepare the list of exported symbols
if test -z "$export_symbols"; then
export_symbols="$output_objdir/$output.exp"
export_symbols="$output_objdir/$outputname.exp"
$run $rm $export_symbols
$run eval "${SED} -n -e '/^: @PROGRAM@$/d' -e 's/^.* \(.*\)$/\1/p' "'< "$nlist" > "$export_symbols"'
else
$run eval "${SED} -e 's/\([][.*^$]\)/\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$output.exp"'
$run eval 'grep -f "$output_objdir/$output.exp" < "$nlist" > "$nlist"T'
$run eval "${SED} -e 's/\([][.*^$]\)/\\\1/g' -e 's/^/ /' -e 's/$/$/'"' < "$export_symbols" > "$output_objdir/$outputname.exp"'
$run eval 'grep -f "$output_objdir/$outputname.exp" < "$nlist" > "$nlist"T'
$run eval 'mv "$nlist"T "$nlist"'
fi
fi