Re: no-c++

[Sam Steingold]

> * Bruno Haible <address@hidden> [2009-08-08 11:47:01 +0200]:
>
> Sam Steingold wrote:
>> modules which cannot be compiled with c++ (regex, gettimeofday) should depend
>> on no-c++
>
> This cannot be implemented as you wish. The ability to compile in C mode when
> CC="g++" is done through a variable NO_CXX that has to be added to the 
> compiler
> flags. But modifying compiler flags can, in a Makefile.am, only be done on a
> per-program or per-library basis, not on a per-compilation-unit basis.
>
> So, you have to add $(NO_CXX) to the compilation flags for your library 
> yourself.

fine.
my suggestion eliminates two expensive steps:

now:

import the non-C++ module
regenerate all autoconf files
try to compile with c++, fail
import no-c++
regenerate all autoconf files
add NO_CXX to gnulib CFLAGS

with my suggestion:

import the non-C++ module; no-c++ is automatically included
regenerate all autoconf files
try to compile with c++, fail
add NO_CXX to gnulib CFLAGS

import & autoconf regeneration are expensive in both that they take time
(and may require Internet access) and require digging around - it is not
obvious that no-c++ module exists and does what you want.

-- 
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