Re: FreeBSD GCC warnings

[Ralf Wildenhues]

Hi Bruno,

* Bruno Haible wrote on Sat, Oct 18, 2008 at 02:46:13AM CEST:
> > !       PRAGMA_SYSTEM_HEADER='#if __GNUC__ >= 3
> > ! #pragma GCC system_header
> > ! #endif'
> 
> Oops, that did not work. autoconf >= 2.60 supports multiline replacements
> in AC_SUBST, but 'automake' and 'make' don't.

Well.  There is no mapping that will automatically make multiline values
be correctly escaped for makefiles.  Maybe it is time to publish
AM_SUBST_NOTMAKE which is like AC_SUBST but the variable won't be set in
Makefile.in (currently only the internal macro _AM_SUBST_NOTMAKE exists).

Cheers,
Ralf