* Package:    gui-apps/wayvnc-0.6.2:0
 * Repository: gentoo
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox

>>> Unpacking source...
>>> Unpacking wayvnc-0.6.2.tar.gz to /var/tmp/portage/gui-apps/wayvnc-0.6.2/work
>>> Source unpacked in /var/tmp/portage/gui-apps/wayvnc-0.6.2/work
>>> Preparing source in /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2 ...
meson setup --libdir lib64 --localstatedir /var/lib --prefix /usr --sysconfdir /etc --wrap-mode nodownload --build.pkg-config-path /usr/share/pkgconfig --pkg-config-path /usr/share/pkgconfig --native-file /var/tmp/portage/gui-apps/wayvnc-0.6.2/temp/meson.x86_64-pc-linux-gnu.amd64.ini -Db_pch=false -Dwerror=false --buildtype plain -Dscreencopy-dmabuf=disabled -Dsystemtap=false /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2 /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2-build
The Meson build system
Version: 1.0.1
Source dir: /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2
Build dir: /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2-build
Build type: native build
Project name: wayvnc
Project version: 0.6.0
C compiler for the host machine: x86_64-pc-linux-gnu-gcc (gcc 12.2.1 "x86_64-pc-linux-gnu-gcc (Gentoo 12.2.1_p20230304 p13) 12.2.1 20230304")
C linker for the host machine: x86_64-pc-linux-gnu-gcc ld.bfd 2.39
Host machine cpu family: x86_64
Host machine cpu: x86_64
Program git found: YES (/usr/bin/git)
WARNING: You should add the boolean check kwarg to the run_command call.
         It currently defaults to false,
         but it will default to true in future releases of meson.
         See also: https://github.com/mesonbuild/meson/issues/9300
Library m found: YES
Library rt found: YES
Library pam found: YES
Found pkg-config: /usr/bin/x86_64-pc-linux-gnu-pkg-config (1.8.1)
Run-time dependency pixman-1 found: YES 0.42.2
Dependency gbm skipped: feature screencopy-dmabuf disabled
Run-time dependency libdrm found: YES 2.4.115
Run-time dependency xkbcommon found: YES 1.5.0
Run-time dependency wayland-client found: YES 1.21.0
Found CMake: /usr/bin/cmake (3.26.0)
Run-time dependency jansson found: NO (tried pkgconfig and cmake)

meson.build:54:0: ERROR: Dependency "jansson" not found, tried pkgconfig and cmake

A full log can be found at /var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2-build/meson-logs/meson-log.txt
 * ERROR: gui-apps/wayvnc-0.6.2::gentoo failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  136:  Called src_configure
 *   environment, line 2318:  Called meson_src_configure
 *   environment, line 1741:  Called die
 * The specific snippet of code:
 *       "${mesonargs[@]}" ) || die
 * 
 * If you need support, post the output of `emerge --info '=gui-apps/wayvnc-0.6.2::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=gui-apps/wayvnc-0.6.2::gentoo'`.
 * The complete build log is located at '/var/log/portage/gui-apps:wayvnc-0.6.2:20230319-125436.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/gui-apps/wayvnc-0.6.2/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/gui-apps/wayvnc-0.6.2/temp/environment'.
 * Working directory: '/var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2'
 * S: '/var/tmp/portage/gui-apps/wayvnc-0.6.2/work/wayvnc-0.6.2'