# ansifilter /var/tmp/portage/media-gfx/shotwell-0.30.10/temp/build.log
 * Package:    media-gfx/shotwell-0.30.10
 * Repository: gentoo
 * Maintainer: nicolasbock@gentoo.org gnome@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux opencv userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking shotwell-0.30.10.tar.xz to /var/tmp/portage/media-gfx/shotwell-0.30.10/work
>>> Source unpacked in /var/tmp/portage/media-gfx/shotwell-0.30.10/work
>>> Preparing source in /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10 ...
meson setup --buildtype plain --libdir lib64 --localstatedir /var/lib --prefix /usr --sysconfdir /etc --wrap-mode nodownload --build.pkg-config-path /var/tmp/portage/media-gfx/shotwell-0.30.10/temp/pkgconfig:/usr/lib64/pkgconfig:/usr/share/pkgconfig:/usr/share/pkgconfig --pkg-config-path /var/tmp/portage/media-gfx/shotwell-0.30.10/temp/pkgconfig:/usr/lib64/pkgconfig:/usr/share/pkgconfig:/usr/share/pkgconfig --native-file /var/tmp/portage/media-gfx/shotwell-0.30.10/temp/meson.x86_64-pc-linux-gnu.amd64.ini -Dunity-support=false -Dextra-plugins=true -Ddupe-detection=true -Dudev=false -Dinstall-apport-hook=false -Dface-detection=true -Dfatal_warnings=false /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10 /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10-build
The Meson build system
Version: 0.54.3
Source dir: /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10
Build dir: /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10-build
Build type: native build
Project name: shotwell
Project version: 0.30.10
Using 'VALAC' from environment with value: '/usr/bin/valac-0.48'
C compiler for the host machine: x86_64-pc-linux-gnu-gcc (gcc 9.3.0 "x86_64-pc-linux-gnu-gcc (Gentoo 9.3.0-r1 p3) 9.3.0")
C linker for the host machine: x86_64-pc-linux-gnu-gcc ld.bfd 2.33.1
Using 'VALAC' from environment with value: '/usr/bin/valac-0.48'
Vala compiler for the host machine: /usr/bin/valac-0.48 (valac 0.48.9)
Host machine cpu family: x86_64
Host machine cpu: x86_64
Configuring config.h using configuration
Program git-hash found: YES (/var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10/git-hash)
Found pkg-config: /usr/bin/x86_64-pc-linux-gnu-pkg-config (1.6.3)
Run-time dependency gtk+-3.0 found: YES 3.24.22
Run-time dependency gio-2.0 found: YES 2.64.4
Run-time dependency gmodule-2.0 found: YES 2.64.4
Run-time dependency gio-unix-2.0 found: YES 2.64.4
Run-time dependency gee-0.8 found: YES 0.20.3
Run-time dependency webkit2gtk-4.0 found: YES 2.28.4
Run-time dependency libsoup-2.4 found: YES 2.70.0
Run-time dependency json-glib-1.0 found: YES 1.4.4
Run-time dependency libxml-2.0 found: YES 2.9.10
Run-time dependency gdk-3.0 found: YES 3.24.22
Run-time dependency gdk-pixbuf-2.0 found: YES 2.40.0
Run-time dependency sqlite3 found: YES 3.32.3
Run-time dependency gstreamer-1.0 found: YES 1.16.2
Run-time dependency gstreamer-pbutils-1.0 found: YES 1.16.2
Run-time dependency libgphoto2 found: YES 2.5.22
Run-time dependency gudev-1.0 found: YES 233
Run-time dependency gexiv2 found: YES 0.12.1
Run-time dependency libraw found: YES 0.19.3
Run-time dependency libexif found: YES 0.6.22
Found CMake: /usr/bin/cmake (3.16.5)
Run-time dependency unity found: NO (tried pkgconfig and cmake)
facedetect/meson.build:2: WARNING: add_languages is missing native:, assuming languages are wanted for both host and build.
C++ compiler for the host machine: x86_64-pc-linux-gnu-g++ (gcc 9.3.0 "x86_64-pc-linux-gnu-g++ (Gentoo 9.3.0-r1 p3) 9.3.0")
C++ linker for the host machine: x86_64-pc-linux-gnu-g++ ld.bfd 2.33.1
Run-time dependency opencv found: NO (tried pkgconfig and cmake)

facedetect/meson.build:3:0: ERROR: Dependency "opencv" not found, tried pkgconfig and cmake

A full log can be found at /var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10-build/meson-logs/meson-log.txt
 * ERROR: media-gfx/shotwell-0.30.10::gentoo failed (configure phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  125:  Called src_configure
 *   environment, line 2649:  Called meson_src_configure
 *   environment, line 1903:  Called die
 * The specific snippet of code:
 *       "${mesonargs[@]}" ) || die
 * 
 * If you need support, post the output of `emerge --info '=media-gfx/shotwell-0.30.10::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=media-gfx/shotwell-0.30.10::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/media-gfx/shotwell-0.30.10/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/media-gfx/shotwell-0.30.10/temp/environment'.
 * Working directory: '/var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10'
 * S: '/var/tmp/portage/media-gfx/shotwell-0.30.10/work/shotwell-0.30.10'