From bcb37a9b20eeec97f15fac2222408cc2e0b77631 Mon Sep 17 00:00:00 2001
From: Lucas De Marchi <lucas.demarchi@intel.com>
Date: Tue, 24 Jul 2018 15:20:24 -0700
Subject: build: provide stub implementation for memfd_create

When libc misses memfd_create(), provide a stub implementation to go
through the syscall() route. Syscall numbers are provided for platforms
currently supported by i-g-t only.

v2: add support to autotools

Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Acked-by: Antonio Argenziano <antonio.argenziano@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
---
 meson.build | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'meson.build')

diff --git a/meson.build b/meson.build
index 22118828..63ac6292 100644
--- a/meson.build
+++ b/meson.build
@@ -196,6 +196,9 @@ if cc.has_member('struct sysinfo', 'totalram',
 	config.set('HAVE_STRUCT_SYSINFO_TOTALRAM', 1)
 endif
 
+have = cc.has_function('memfd_create', prefix : '''#include <sys/mman.h>''', args : '-D_GNU_SOURCE')
+config.set10('HAVE_MEMFD_CREATE', have)
+
 add_project_arguments('-D_GNU_SOURCE', language : 'c')
 add_project_arguments('-include', 'config.h', language : 'c')
 
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