Re: C99 support

[Paul Eggert]

Ralf Wildenhues <address@hidden> writes:

> Have you checked there is no compiler which will compile your test
> program but not general C99 in its `C89 plus extensions' mode?

The Autoconf Way is to first put the compiler into "C99 plus
extensions" mode, and then to check how much of C99 (and how many
extensions) you really get.  It's OK if the compiler doesn't support
all the C99 features, as long as it supports some of them, and so long
as turning on "C99 plus extensions" mode doesn't break something
important.