[Buildroot] [PATCH 1/5] package/x11r7/xlib_libxshmfence: fix build with glibc 2.27

[Yann E. MORIN <yann.morin.1998@free.fr>]

Romain, All,

On 2018-02-05 21:57 +0100, Romain Naour spake thusly:
> With glibc 2.27 memfd_create() is inside a _GNU_SOURCE guard, so call
> AC_USE_SYSTEM_EXTENSIONS to get this defined.
> 
> Signed-off-by: Romain Naour <romain.naour@gmail.com>
> ---
>  ...onfigure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch | 30 ++++++++++++++++++++++
>  .../x11r7/xlib_libxshmfence/xlib_libxshmfence.mk   |  3 +++
>  2 files changed, 33 insertions(+)
>  create mode 100644 package/x11r7/xlib_libxshmfence/0001-configure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch
> 
> diff --git a/package/x11r7/xlib_libxshmfence/0001-configure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch b/package/x11r7/xlib_libxshmfence/0001-configure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch
> new file mode 100644
> index 0000000000..f24b1da5dd
> --- /dev/null
> +++ b/package/x11r7/xlib_libxshmfence/0001-configure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch
> @@ -0,0 +1,30 @@
> +From 0b550a4e7acf02d3478602848f6afbfcbfb0d4b2 Mon Sep 17 00:00:00 2001
> +From: Ross Burton <ross.burton@intel.com>
> +Date: Mon, 29 Jan 2018 16:24:36 +0000
> +Subject: [PATCH] configure.ac: call AC_USE_SYSTEM_EXTENSIONS
> +
> +With glibc 2.27 memfd_create() is inside a _GNU_SOURCE guard, so call
> +AC_USE_SYSTEM_EXTENSIONS to get this defined.
> +
> +Signed-off-by: Ross Burton <ross.burton@intel.com>
> +Signed-off-by: Romain Naour <romain.naour@gmail.com>

This looks liek it is a backport from upstream, right? If so, please say
so; in such a case I like to add something like:

    [yann: backport from upstream URL-or-commit]
    Signed-off-by: ME

Regards,
Yann E. MORIN.

> +---
> + configure.ac | 2 ++
> + 1 file changed, 2 insertions(+)
> +
> +diff --git a/configure.ac b/configure.ac
> +index 55772d0..ed77e6d 100644
> +--- a/configure.ac
> ++++ b/configure.ac
> +@@ -28,6 +28,8 @@ AC_INIT([libxshmfence], [1.2],
> + AC_CONFIG_SRCDIR([Makefile.am])
> + AC_CONFIG_HEADERS([config.h])
> + 
> ++AC_USE_SYSTEM_EXTENSIONS
> ++
> + # Initialize Automake
> + AM_INIT_AUTOMAKE([foreign dist-bzip2])
> + 
> +-- 
> +2.14.3
> +
> diff --git a/package/x11r7/xlib_libxshmfence/xlib_libxshmfence.mk b/package/x11r7/xlib_libxshmfence/xlib_libxshmfence.mk
> index 3a2f32623a..9686c408c1 100644
> --- a/package/x11r7/xlib_libxshmfence/xlib_libxshmfence.mk
> +++ b/package/x11r7/xlib_libxshmfence/xlib_libxshmfence.mk
> @@ -12,4 +12,7 @@ XLIB_LIBXSHMFENCE_LICENSE_FILES = COPYING
>  XLIB_LIBXSHMFENCE_INSTALL_STAGING = YES
>  XLIB_LIBXSHMFENCE_DEPENDENCIES = host-pkgconf xproto_xproto
>  
> +# 0001-configure.ac-call-AC_USE_SYSTEM_EXTENSIONS.patch
> +XLIB_LIBXSHMFENCE_AUTORECONF = YES
> +
>  $(eval $(autotools-package))
> -- 
> 2.14.3
> 
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