[pacman-dev] [PATCH] Use C18 language standard

[Allan McRae]

On 27/3/20 7:13 am, Anatol Pomozov wrote:
> C18 is the latest released version of the language spec. The toolchains support
> it starting with GCC 8.1.0 and Clang 7.
> 

GCC 8.1.0 - May 2, 2018
Clang 7 - 19 September 2018

So available for 18 months.  Seems reasonable given the next release is
a few months out minimum.

But why do we need this version?   What feature will be used?  Is C11
enough?

> Signed-off-by: Anatol Pomozov <anatol.pomozov at gmail.com>
> ---
>  configure.ac | 2 +-
>  meson.build  | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 9db39232..84869ce5 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -183,7 +183,7 @@ AC_SUBST(LFS_CFLAGS)
>  
>  # Checks for programs.
>  AC_PROG_AWK
> -AC_PROG_CC_C99
> +AC_PROG_CC_C18
>  AC_PROG_INSTALL
>  AC_CHECK_PROGS([PYTHON], [python3 python], [false])
>  AC_PATH_PROGS([BASH_SHELL], [bash bash4], [false])
> diff --git a/meson.build b/meson.build
> index fc81fa27..2f4e7cc4 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -3,7 +3,7 @@ project('pacman',
>          version : '5.2.1',
>          license : 'GPLv2+',
>          default_options : [
> -          'c_std=gnu99',
> +          'c_std=c18',
>            'prefix=/usr',
>            'sysconfdir=/etc',
>            'localstatedir=/var',
>