Re: Fix to acinclude.m4 -- please check.

[Marius Vollmer]

Rob Browning <address@hidden> writes:

> diff -u -r1.12 acinclude.m4
> --- acinclude.m4        2001/05/15 00:54:08     1.12
> +++ acinclude.m4        2001/06/02 04:59:34
> @@ -76,7 +76,7 @@
>      which can conflict with char $1(); below.  */
>  #include <assert.h>
>  /* Override any gcc2 internal prototype to avoid an error.  */
> -]ifelse(AC_LANG, CPLUSPLUS, [#ifdef __cplusplus
> +]ifdef(CXX, [#ifdef __cplusplus
>  extern "C"
>  #endif
>  ])dnl

Why is this conditional anyway?  Can't we just output

    #ifdef __cplusplus
    extern "C"
    #endif

unconditionally?  The C compiler should be able to cope with that just
fine.