qemu: fix build issue on new hosts with glibc 2.30

This fixes the following error:

TOPDIR/tmp/work/x86_64-linux/qemu-native/3.1.0-r0/qemu-3.1.0/linux-user/syscall.c:254:16: error: static declaration of ‘gettid’ follows non-static declaration
 254 | _syscall0(int, gettid)
 |                ^~~~~~
 TOPDIR/tmp/work/x86_64-linux/qemu-native/3.1.0-r0/qemu-3.1.0/linux-user/syscall.c:185:13: note: in definition of macro ‘_syscall0’
 185 | static type name (void)   \
 |             ^~~~
 In file included from /usr/include/unistd.h:1170,
 from TOPDIR/tmp/work/x86_64-linux/qemu-native/3.1.0-r0/qemu-3.1.0/include/qemu/osdep.h:90,
 from TOPDIR/tmp/work/x86_64-linux/qemu-native/3.1.0-r0/qemu-3.1.0/linux-user/syscall.c:20:
 /usr/include/bits/unistd_ext.h:34:16: note: previous declaration of ‘gettid’ was here
 34 | extern __pid_t gettid (void) __THROW;
 |                ^~~~~~

(From OE-Core rev: 5b5ca76cc5dd424248c7e687e562597a2c85df57)

Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 0 deletions

diff --git a/meta/recipes-devtools/qemu/qemu_3.0.0.bb b/meta/recipes-devtools/qemu/qemu_3.0.0.bb
index 6c3049b40e..e483acab55 100644
--- a/meta/recipes-devtools/qemu/qemu_3.0.0.bb
+++ b/meta/recipes-devtools/qemu/qemu_3.0.0.bb
@@ -40,6 +40,8 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \
            file://CVE-2019-3812.patch \
            file://CVE-2019-6778.patch \
            file://CVE-2019-8934.patch \
+           file://0001-linux-user-assume-__NR_gettid-always-exists.patch \
+           file://0001-linux-user-rename-gettid-to-sys_gettid-to-avoid-clas.patch \
            "
 UPSTREAM_CHECK_REGEX = "qemu-(?P<pver>\d+(\.\d+)+)\.tar"