Calling AC_CONFIG_HEADERS from LT_INIT?

[Gary V. Vaughan]

Hallo Ralf,

I think this represents a thinko in the way LT_INIT decides
whether to call AC_CONFIG_HEADERS, but I'm not sure I follow
what the intention is supposed to be.  Could you enlighten me?

$ rm -rf foo && mkdir foo && cd foo
$ cat >configure.ac <<EOF
AC_INIT
LT_INIT
LT_WITH_LTDL
AC_OUTPUT
EOF
$ libtoolize --ltdl --install --quiet
$ aclocal
$ autoconf
$ configure --with-included-ltdl
...
configure: creating ./config.status
config.status: creating config.h
config.status: error: cannot find input file: config.h.in

Why is the top level configure trying to make a config.h for
libltdl?  It has one of its own:

$ ls -lF libltdl
4 lrwxr-xr-x   1 gary gary  44 Sep 23 17:05 config-h.in@
4 lrwxr-xr-x   1 gary gary  42 Sep 23 17:05 configure@

How do we fix this code to DTRT (and I'm not sure what TRT is!):

# In order that ltdl.c can compile, run AC_CONFIG_HEADERS for the user
# if they did not call it themself.  This is so that ltdl.h can pick up
# the parent projects config.h file, The first file in AC_CONFIG_HEADERS
# must contain the definitions required by ltdl.c.
# FIXME: Remove use of undocumented AC_LIST_HEADERS (2.59 compatibility).
AC_CONFIG_COMMANDS_PRE([dnl
m4_pattern_allow([^LT_CONFIG_H$])dnl
m4_ifset([AH_HEADER],
         [LT_CONFIG_H=AH_HEADER],
         [m4_ifset([AC_LIST_HEADERS],
                   [LT_CONFIG_H=`echo "AC_LIST_HEADERS" | $SED 's,^[[      
]]*,\,;s,[[ :]].*$,,'`],
                   [LT_CONFIG_H=config.h;AC_CONFIG_HEADERS([config.h])])])])
AC_SUBST([LT_CONFIG_H])

Cheers,
        Gary.
--
Gary V. Vaughan      ())_.  address@hidden,gnu.org}
Research Scientist   ( '/   http://tkd.kicks-ass.net
GNU Hacker           / )=   http://www.gnu.org/software/libtool
Technical Author   `(_~)_   http://sources.redhat.com/autobook

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