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authorRoss Burton <ross.burton@intel.com>2018-01-29 23:15:34 +0000
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-02-06 10:54:35 +0000
commit207733bb875b1a6b932ecd04a34a0ee118511d1f (patch)
tree6ef06b8df860ea6ba16e5a8661aef1516f665120
parent5a6c5234c8685e205ae16729b82288dc8f687122 (diff)
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qemu: fix memfd_create with glibc 2.27
glibc 2.27 has added memfd_create() but this conflicts with a copy in qemu, so take a patch from upstream to fix building with glibc 2.27. Signed-off-by: Ross Burton <ross.burton@intel.com>
-rw-r--r--meta/recipes-devtools/qemu/qemu/memfd.patch57
-rw-r--r--meta/recipes-devtools/qemu/qemu_2.11.0.bb2
2 files changed, 58 insertions, 1 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/memfd.patch b/meta/recipes-devtools/qemu/qemu/memfd.patch
new file mode 100644
index 0000000000..62e8d3800b
--- /dev/null
+++ b/meta/recipes-devtools/qemu/qemu/memfd.patch
@@ -0,0 +1,57 @@
+Upstream-Status: Backport
+Signed-off-by: Ross Burton <ross.burton@intel.com>
+
+From 75e5b70e6b5dcc4f2219992d7cffa462aa406af0 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>
+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 9c8aa5a98b..99ccc1725a 100755
+--- a/configure
++++ b/configure
+@@ -3923,7 +3923,7 @@ fi
+ # check if memfd is supported
+ memfd=no
+ cat > $TMPC << EOF
+-#include <sys/memfd.h>
++#include <sys/mman.h>
+
+ int main(void)
+ {
+diff --git a/util/memfd.c b/util/memfd.c
+index 4571d1aba8..412e94a405 100644
+--- a/util/memfd.c
++++ b/util/memfd.c
+@@ -31,9 +31,7 @@
+
+ #include "qemu/memfd.h"
+
+-#ifdef CONFIG_MEMFD
+-#include <sys/memfd.h>
+-#elif defined CONFIG_LINUX
++#if defined CONFIG_LINUX && !defined CONFIG_MEMFD
+ #include <sys/syscall.h>
+ #include <asm/unistd.h>
+
+--
+2.11.0
diff --git a/meta/recipes-devtools/qemu/qemu_2.11.0.bb b/meta/recipes-devtools/qemu/qemu_2.11.0.bb
index ccd8917f8d..8306db2ce5 100644
--- a/meta/recipes-devtools/qemu/qemu_2.11.0.bb
+++ b/meta/recipes-devtools/qemu/qemu_2.11.0.bb
@@ -21,6 +21,7 @@ SRC_URI = "http://wiki.qemu-project.org/download/${BP}.tar.bz2 \
file://chardev-connect-socket-to-a-spawned-command.patch \
file://apic-fixup-fallthrough-to-PIC.patch \
file://linux-user-Fix-webkitgtk-hangs-on-32-bit-x86-target.patch \
+ file://memfd.patch \
"
UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+\..*)\.tar"
@@ -55,4 +56,3 @@ do_install_ptest() {
sed -i -e '/wildcard config-host.mak/d' \
-e '$ {/endif/d}' ${D}${PTEST_PATH}/tests/Makefile.include
}
-