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Re: using macro ...
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From: |
Eric Blake |
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Subject: |
Re: using macro ... |
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Date: |
Fri, 08 Feb 2013 13:37:35 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2 |
On 02/08/2013 12:30 PM, raespi wrote:
>> This behavior sounds like whoever wrote AC_SUBST_INT_HEX was calling
>> AC_SUBST_UNQUOTED([T_FPU], [$value], [documentation])
>> somewhere inside.
Apologies; I was thinking of AC_DEFINE_UNQUOTED; there is no
AC_SUBST_UNQUOTED. But based on how you want @T_FPU@ replacement,
rather than a #define added, you want AC_SUBST.
>> Would using AC_COMPUTE_INT be any less fragile than
>> directly grepping a platform header?
>>
> something like ?
>
> AC_COMPUTE_INT( T_FPU, "T_FPU", include='<native/task.h>' )
That's not proper syntax. More like:
AC_COMPUTE_INT([prefix_cv_t_fpu], [T_FPU], [[#include <native/task.h>]])
AC_SUBST([T_FPU], [$prefix_cv_t_fpu])
where you can replace prefix_ with your own package's namespace.
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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