| From 0c8af3f651a125d636a71d93bafd35ff5240431a Mon Sep 17 00:00:00 2001 |
| From: Paolo Bonzini <pbonzini@redhat.com> |
| Date: Tue, 28 Nov 2017 11:51:27 +0100 |
| Subject: [PATCH] memfd: fix configure test |
| MIME-Version: 1.0 |
| Content-Type: text/plain; charset=UTF-8 |
| Content-Transfer-Encoding: 8bit |
| |
| Recent glibc added memfd_create in sys/mman.h. This conflicts with |
| the definition in util/memfd.c: |
| |
| /builddir/build/BUILD/qemu-2.11.0-rc1/util/memfd.c:40:12: error: static declaration of memfd_create follows non-static declaration |
| |
| Fix the configure test, and remove the sys/memfd.h inclusion since the |
| file actually does not exist---it is a typo in the memfd_create(2) man |
| page. |
| |
| Cc: Marc-André Lureau <marcandre.lureau@redhat.com> |
| Upstream-Status: Backport |
| Signed-off-by: Ross Burton <ross.burton@intel.com> |
| Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> |
| --- |
| configure | 2 +- |
| util/memfd.c | 4 +--- |
| 2 files changed, 2 insertions(+), 4 deletions(-) |
| |
| diff --git a/configure b/configure |
| index b5312f4..ec12f36 100755 |
| --- a/configure |
| +++ b/configure |
| @@ -3920,7 +3920,7 @@ fi |
| # check if memfd is supported |
| memfd=no |
| cat > $TMPC << EOF |
| -#include <sys/memfd.h> |
| +#include <sys/mman.h> |
| |
| int main(void) |
| { |
| diff --git a/util/memfd.c b/util/memfd.c |
| index 4571d1a..412e94a 100644 |
| --- a/util/memfd.c |
| +++ b/util/memfd.c |
| @@ -31,9 +31,7 @@ |
| |
| #include "qemu/memfd.h" |
| |
| -#ifdef CONFIG_MEMFD |
| -#include <sys/memfd.h> |
| -#elif defined CONFIG_LINUX |
| +#if defined CONFIG_LINUX && !defined CONFIG_MEMFD |
| #include <sys/syscall.h> |
| #include <asm/unistd.h> |
| |