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Re: AC_LIBTOOL_WIN32_DLL for libgfortran

From: FX Coudert <fxcoudert at gmail dot com>
To: GCC Development <gcc at gcc dot gnu dot org>
Date: Sun, 11 Mar 2007 11:40:58 +0100
Subject: Re: AC_LIBTOOL_WIN32_DLL for libgfortran
References: <7112604E-D416-45E3-BE82-03E31B777A91@gmail.com> <45F335E3.CF79AF7D@dessent.net>

Did you put it in the toplevel configure.in or in
libgfortran/configure.ac?  I suspect it needs to be in the former,
because the latter probably shares the same config.cache and thus it
won't be checked a second time when running configure for libgfortran.

Tried to put it into the toplevel configure.ac, but there is no AC_PROG_LIBTOOL there, so I put it somewhere near other AC_ macros (see patch below). Autoconf then says:

$ autoconf configure.ac:1071: error: possibly undefined macro: AC_LIBTOOL_WIN32_DLL If this token and others are legitimate, please use m4_pattern_allow. See the Autoconf documentation.


Index: configure.ac
===================================================================
--- configure.ac        (revision 122655)
+++ configure.ac        (working copy)
@@ -1068,6 +1068,8 @@
   fi
fi
+AC_LIBTOOL_WIN32_DLL
+
ACX_PROG_GNAT
ACX_PROG_CMP_IGNORE_INITIAL

References:
- AC_LIBTOOL_WIN32_DLL for libgfortran
  - From: FX Coudert
- Re: AC_LIBTOOL_WIN32_DLL for libgfortran
  - From: Brian Dessent

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