Re: produce *mod with fortran

[Eve-Marie Devaliere]

Thanks Chris, you were right on it. I had downloaded it from sourceforge
but yes it was apparently an older file....

Thanks,
Cheers,
Eve-Marie


Christopher Hulbert said the following on 1/31/2011 12:40 PM:
> On Mon, Jan 31, 2011 at 12:21 PM, Eve-Marie Devaliere
> <address@hidden> wrote:
>> Thanks Ralph! I am now trying to make my package more portable so I am
>> working on the part below
>>
>>> Do you need the package to be very portable?  If so, I suggest you go to
>>> the Autoconf Macro Archive and grab two Fortran-related macros,
>>> AX_F90_MODULE_EXTENSION and AX_F90_MODULE_FLAG.
>>>
>>> We then use roughly the following in configure.ac besides what you
>>> already have:
>>>
>>> # Find out how to add to the Fortran include path.
>>> AX_F90_MODULE_FLAG
>>> # The module flag may be "-I " or so, and some make implementations
>>> # swallow trailing space in variable settings, so we employ a little
>>> # trick.
>>> AC_SUBST([empty], [""])
>>> AC_SUBST([FC_MODINC], [$ax_f90_modflag'${empty}'])
>>> # Find out the file name extensions of Fortran module files.
>>> AX_F90_MODULE_EXTENSION
>>> if test "x$ax_f90_modext" != xunknown; then
>>>   FC_MODEXT=$ax_f90_modext
>>> else
>>>   FC_MODEXT=$ax_f90_modext
>>> fi
>>> AC_SUBST([FC_MODEXT])
>> isn't the if/else above the same thing?
>>
>> When I run autoconf I get:
>> configure.ac:81: warning: AC_CACHE_VAL(ax_f90_modflag, ...): suspicious
>> cache-id, must contain _cv_ to be cached
>> autoconf/general.m4:2047: AC_CACHE_VAL is expanded from...
>> autoconf/general.m4:2060: AC_CACHE_CHECK is expanded from...
>> m4/ax_f90_module_flag.m4:53: AX_F90_MODULE_FLAG is expanded from...
>> configure.ac:81: the top level
>> configure.ac:88: warning: AC_CACHE_VAL(ax_f90_modext, ...): suspicious
>> cache-id, must contain _cv_ to be cached
>> autoconf/general.m4:2047: AC_CACHE_VAL is expanded from...
>> autoconf/general.m4:2060: AC_CACHE_CHECK is expanded from...
>> m4/ax_f90_module_extension.m4:42: AX_F90_MODULE_EXTENSION is expanded
>> from...
>> configure.ac:88: the top level
> From where/when did you get the m4 files? Cache variables need the
> _cv_ in the name for (at least newer) autoconf to like it. Looks like
> this was done back in April of 2009? Make sure you update the
> configure.ac code above for the variable names.
>
> commit 2673212c84ed131e9014832005277da6513aabeb
> Author: Luc Maisonobe <address@hidden>
> Date:   Sun Apr 19 13:05:55 2009 +0200
>
>     AX_F90_*: fix cached variable warnings
>
>     Autoconf 2.63 generates warnings when cached variable names have no _cv_
>     in them.
>
>  m4/ax_f90_internal_headmod.m4 |    4 ++--
>  m4/ax_f90_library.m4          |    6 +++---
>  m4/ax_f90_library_setup.m4    |    6 +++---
>  m4/ax_f90_module.m4           |    4 ++--
>  m4/ax_f90_module_extension.m4 |   16 ++++++++--------
>  m4/ax_f90_module_flag.m4      |   12 ++++++------
>  6 files changed, 24 insertions(+), 24 deletions(-)
>
>
> If it still fails, what compiler are you using, and can you post the
> config.log file?
>
> Chris
>
>> Did I do anything wrong? I have both AX_F90_MODULE_FLAG and
>> AX_F90_MODULE_EXTENSION in my m4 directory and ran aclocal -I m4
>> I also have AC_CONFIG_MACRO_DIR([m4]) in my configure.ac file somewhere
>> up from that section.... (it seems to find them anyways)
>> I get the same warnings running automake and if I keep on going (tried
>> since there were warnings only) I get the following for ./configure
>> checking fortran 90 modules inclusion flag... not found
>> checking fortran 90 modules extension... unknown
>> ./configure: line 4710: syntax error near unexpected token `('
>> ./configure: line 4710: `  $as_echo_n "(cached) " >&6'
>>
>> Thanks,
>> Cheers,
>> Eve-Marie
>>
>>
>>
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