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CVS Autoconf fails on libltdl

From: Bob Friesenhahn
Subject: CVS Autoconf fails on libltdl
Date: Mon, 15 Jan 2001 21:47:04 -0600 (CST)

When the development version of Autoconf is used to generate a
configure script from CVS libltdl's this error occurs. error: m4_require: circular dependency of AC_LTDL_SYMBOL_USCORE AC_LTDL_SYMBOL_USCORE is required by...
./aclocal.m4:3382: AC_LTDL_DLSYM_USCORE is expanded from...
./aclocal.m4:3318: AC_LTDL_SYMBOL_USCORE is expanded from... AC_LTDL_SYMBOL_USCORE is required by...
./aclocal.m4:3142: AC_LIB_LTDL is expanded from... the top level

The end result is that an empty configure script is generated.  These
actions should be taken:

o Libltdl's should be fixed so that it is compatible with
  both released and development Autoconf.

o Autoconf should either preserve an existing configure script, or
  should leave no configure script at all after an error.  Empty
  configure scripts have a nasty habit of accidentally getting into


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