$ git clone https://git.cinelerra-gg.org/sam/cinelerra-gg-qt6.git
Clone in 'cinelerra-gg-qt6' in corso...
remote: Enumerating objects: 17529, done.
remote: Counting objects: 100% (17529/17529), done.
remote: Compressing objects: 100% (9019/9019), done.
remote: Total 17529 (delta 8333), reused 17467 (delta 8279), pack-reused 0
Ricezione degli oggetti: 100% (17529/17529), 172.88 MiB | 13.23 MiB/s, fatto.
Risoluzione dei delta: 100% (8333/8333), fatto.
[paz@arch-paz ~]$ cd cinelerra-gg-qt6
[paz@arch-paz cinelerra-gg-qt6]$ cinelerra-5.1/tools/build_qt6.sh --check
Tools
  ok       g++                    16.2.1
  ok       cmake                  4.4.4
  ok       make
  ok       pkg-config
  ok       objcopy
  ok       msgfmt
Qt 6
  ok       Qt 6.12.0              /usr
Libraries (development packages, names as pkg-config knows them)
  ok       x11                    1.8.13
  ok       libpng                 1.6.59
  ok       libjpeg                3.2.0
  ok       gl                     1.2
  ok       libavcodec             63.1.102
  ok       libavformat            63.1.102
  ok       libavutil              61.1.102
  ok       libswscale             10.1.102
  ok       libswresample          7.1.102
  ok       libavfilter            12.1.102
  ok       fontconfig             2.18.3
  ok       uuid                   2.42.4
  ok       flac                   1.5.0
  ok       sndfile                1.2.2
  ok       libtiff-4              4.7.2
  ok       liblzma                5.8.4
  ok       lilv-0                 0.28.0
  ok       alsa                   1.2.16.1
  ok       libpulse-simple        17.0-98-gb096
  optional opencv4                not found: the OpenCV plugins are left out
  ok       giflib                 gif_lib.h

All requirements found.
[paz@arch-paz cinelerra-gg-qt6]$ cinelerra-5.1/tools/build_qt6.sh
Tools
  ok       g++                    16.2.1
  ok       cmake                  4.4.4
  ok       make
  ok       pkg-config
  ok       objcopy
  ok       msgfmt
Qt 6
  ok       Qt 6.12.0              /usr
Libraries (development packages, names as pkg-config knows them)
  ok       x11                    1.8.13
  ok       libpng                 1.6.59
  ok       libjpeg                3.2.0
  ok       gl                     1.2
  ok       libavcodec             63.1.102
  ok       libavformat            63.1.102
  ok       libavutil              61.1.102
  ok       libswscale             10.1.102
  ok       libswresample          7.1.102
  ok       libavfilter            12.1.102
  ok       fontconfig             2.18.3
  ok       uuid                   2.42.4
  ok       flac                   1.5.0
  ok       sndfile                1.2.2
  ok       libtiff-4              4.7.2
  ok       liblzma                5.8.4
  ok       lilv-0                 0.28.0
  ok       alsa                   1.2.16.1
  ok       libpulse-simple        17.0-98-gb096
  optional opencv4                not found: the OpenCV plugins are left out
  ok       giflib                 gif_lib.h

All requirements found.
Configuring in /home/paz/cinelerra-gg-qt6/cinelerra-5.1/build (Release)
-- The C compiler identification is GNU 16.2.1
-- The CXX compiler identification is GNU 16.2.1
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/gcc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/g++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Performing Test HAVE_STDATOMIC
-- Performing Test HAVE_STDATOMIC - Success
-- Found WrapAtomic: TRUE
-- Found OpenGL: /usr/lib/libOpenGL.so
-- Found WrapOpenGL: TRUE
-- Found WrapVulkanHeaders: /usr/include
CMake Error at CMakeLists.txt:65 (pkg_check_modules):
  Unknown CMake command "pkg_check_modules".


-- Configuring incomplete, errors occurred!
FAILED: cmake, full output in /home/paz/cinelerra-gg-qt6/cinelerra-5.1/build/configure.log