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LT_* equivalent to AC_CHECK_LIB?

From: Tim Mooney
Subject: LT_* equivalent to AC_CHECK_LIB?
Date: Mon, 3 Jul 2006 13:52:36 -0500 (CDT)

This seems like it should be an obvious question, but I'm not finding any
obvious answers in either the libtool or autoconf documentation.

Is there a libtool-aware equivalent to AC_CHECK_LIB?  In other words, if I
want to check for foo_amazing_func() in libfoo, and libfoo was built with
libtool (and the is hopefully installed on the system), is there
an extant macro something like LT_CHECK_LIB(foo,foo_amazing_func) that
will try find foo_amazing_func() in libfoo *and* will pull in all the
necessary dependencies for libfoo, automatically?

The specific case I'm looking at is for a package that wants to check for
libneon.  Neon (which is a libtool library) might have been linked against
OpenSSL (which might require pthread libraries and/or krb5 libraries), and
definitely requires one of libxml2 (which might have requirements like
zlib, pthread, libm, et. al.) or expat.  If I want to check for
libneon at configure time, using just AC_CHECK_LIB or AC_SEARCH_LIB will
be extremely painful, because even with the fourth argument to either of
those macros, I'll still have to write a battery of configure tests to
figure out which particular combination of libraries is required to get
libneon and its dependencies.  If there's a libtool-aware equivalent
macro, it would be so much easier.

Tim Mooney                              address@hidden
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North Dakota State University, Fargo, ND 58105-5164

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