Re: source code type detection

[Ralf Wildenhues]

Hello Nicolas,

* Nicolas Bock wrote on Wed, Jan 23, 2008 at 11:35:10PM CET:
> 
> I wrote a Makefile.am which includes a source file called b.C, which is
> a C-source and not a C++-source. In configure.ac I have AC_PROG_CC. When
> I run automake I get the error message:
> 
> Makefile.am: C++ source seen but `CXX' is undefined
> Makefile.am:   The usual way to define `CXX' is to add `AC_PROG_CXX'
> Makefile.am:   to `configure.ac' and run `autoconf' again.
> 
> So I guess automake interprets b.C to be C++. How can I tell automake
> that it's really C?

You shouldn't.  Some compilers will invariably treat your .C file as
being a C++ file.  So to be portable, let your C files end in .c (and
your C++ files in .cpp).

Hope that helps.

Cheers,
Ralf