On 2/10/25 12:20, Bruce Ashfield wrote:
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On Sun, Feb 9, 2025 at 9:46 PM hongxu via lists.yoctoproject.org <hongxu.jia=eng.windriver.com@lists.yoctoproject.org> wrote:
After upstreamm applied commit [meson: switch checks to depend on json-c as well
as yajl][1], json-c is required to build QEMU driver. Otherwise build libvirt
failed at do_configure

$ bitbake libvirt

Again, you have something different in your environment.

I can build the qemu driver just fine in my configuration.

% bitbake-getvar -r libvirt PACKAGECONFIG
PACKAGECONFIG="gnutls qemu openvz vmware vbox esx lxc test remote                    libvirtd netcf udev python fuse firewalld libpcap                                        libxl                                       "

% bitbake libvirt

.. works. Since qemu is in the default PACAKGECONFIG, you can be assured that it was built before the updates were pushed. So we need to understand what is different.

I could reproduce the issue via latest poky + meta-virtualization + meta-openembedded on master branch

I guess the indirect dependence on json-c was introduced by libvirt in your build, you could use the following way:
...
$ bitbake libvirt -g
$ grep 'json-c.do_populate_sysroot' task-depends.dot
"libvirt.do_prepare_recipe_sysroot" -> "json-c.do_populate_sysroot"

...

//Hongxu


Bruce

 
...
../git/meson.build:1672:6: ERROR: Problem encountered: json-c is required to build QEMU driver
...

[1] https://github.com/libvirt/libvirt/commit/28c987263980afc5b606a36a8d264b68cb01e9b9

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
---
 recipes-extended/libvirt/libvirt_git.bb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/recipes-extended/libvirt/libvirt_git.bb b/recipes-extended/libvirt/libvirt_git.bb
index 432b5da8..6a524977 100644
--- a/recipes-extended/libvirt/libvirt_git.bb
+++ b/recipes-extended/libvirt/libvirt_git.bb
@@ -149,7 +149,7 @@ PACKAGECONFIG:remove:armeb = "numactl"
 # enable,disable,depends,rdepends
 #
 PACKAGECONFIG[gnutls] = ",,,gnutls-bin"
-PACKAGECONFIG[qemu] = "-Ddriver_qemu=enabled -Dqemu_user=qemu -Dqemu_group=qemu,-Ddriver_qemu=disabled,qemu,"
+PACKAGECONFIG[qemu] = "-Ddriver_qemu=enabled -Dqemu_user=qemu -Dqemu_group=qemu,-Ddriver_qemu=disabled,qemu json-c,"
 PACKAGECONFIG[libxl] = "-Ddriver_libxl=enabled,-Ddriver_libxl=disabled,xen,"
 PACKAGECONFIG[openvz] = "-Ddriver_openvz=enabled,-Ddriver_openvz=disabled,,"
 PACKAGECONFIG[vmware] = "-Ddriver_vmware=enabled,-Ddriver_vmware=disabled,,"
--
2.34.1


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