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libtool-1.5.6-3, export-symbols-regex bug?


Hi,

libtool-1.5.6-3, cygwin 1.5.10(0.116/4/2)

I noticed the following today when trying to compile an application. Before I upgraded libtool earlier this week (not sure from which version, but a very recent one), this worked.

When you use '-export-symbols-regex "^[^_].*"', libtool generates a file according to:

/bin/nm -B .libs/libxfce4util_la-i18n.o .libs/libxfce4util_la-licenses-texts.o .libs/libxfce4util_la-utf8.o .libs/libxfce4util_la-xfce-desktopentry.o .libs/libxfce4util_la-xfce-fileutils.o .libs/libxfce4util_la-xfce-kiosk.o .libs/libxfce4util_la-xfce-miscutils.o .libs/libxfce4util_la-xfce-rc.o .libs/libxfce4util_la-xfce-rc-config.o .libs/libxfce4util_la-xfce-rc-simple.o .libs/libxfce4util_la-xfce-resource.o | sed -n -e 's/^.*[ ]\([ABCDGIRSTW][ABCDGIRSTW]*\)[ ][ ]*\(_\)\([_A-Za-z][_A-Za-z0-9]*\)$/\1 \2\3 \3/p' | /bin/sed -e '/^[BCDGS] /s/.* \([^ ]*\)/\1 DATA/' | /bin/sed -e '/^[AITW] /s/.* //' | sort | uniq > .libs/libxfce4util.exp
grep -E -e "^[^_].*" ".libs/libxfce4util.exp" > ".libs/libxfce4util.expT"


(sorry for the ugly way the lines are broken...)

The first part (nm -B ... > .libs/libxfce4util.exp) generates a file that looks like:

R _xfce_builtin_license_BSD xfce_builtin_license_BSD
R _xfce_builtin_license_GPL xfce_builtin_license_GPL
R _xfce_builtin_license_LGPL xfce_builtin_license_LGPL
_xfce_rc_config_close
_xfce_rc_config_flush
_xfce_rc_config_get_entries
...
_xfce_rc_simple_write_entry
parent_class DATA
utf8_string_remove_controls
xfce_desktop_entry_get_file
xfce_desktop_entry_get_int
xfce_desktop_entry_get_string
xfce_desktop_entry_get_type
...

I suspect that the "R _xfce..." lines are invalid. The 'parent_class DATA' line also looks suspicious to me.

Can the cygwin libtool maintainer please comment on this? Is this a bug, or should I adjust the regex passed to -export-symbols-regex?

Kind regards, Maarten

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