gaphor fails (dependencies probably not cited on install site).

gistfile1.txt

(graphor) asterion@MonstaPC:~$ pip install gaphor
Collecting gaphor                                                               
  Downloading gaphor-2.11.0-py3-none-any.whl.metadata (41 kB)                   
Collecting PyGObject<4.0,>=3.30 (from gaphor)                                   
  Downloading pygobject-3.50.0.tar.gz (1.1 MB)                                  
     ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1.1/1.1 MB 5.8 MB/s eta 0:00:00
  Installing build dependencies ... error                                       
  error: subprocess-exited-with-error
  
  × pip subprocess to install build dependencies did not run successfully.
  │ exit code: 1
  ╰─> [74 lines of output]
      Collecting meson-python>=0.12.1
        Downloading meson_python-0.16.0-py3-none-any.whl.metadata (4.1 kB)
      Collecting pycairo>=1.16
        Downloading pycairo-1.27.0.tar.gz (661 kB)
           ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 661.5/661.5 kB 4.9 MB/s eta 0:00:00
        Installing build dependencies: started
        Installing build dependencies: finished with status 'done'
        Getting requirements to build wheel: started
        Getting requirements to build wheel: finished with status 'done'
        Preparing metadata (pyproject.toml): started
        Preparing metadata (pyproject.toml): finished with status 'error'
        error: subprocess-exited-with-error
      
        × Preparing metadata (pyproject.toml) did not run successfully.
        │ exit code: 1
        ╰─> [48 lines of output]
            + meson setup /tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274 /tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274/.mesonpy-tkynf1bd -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md -Dwheel=true -Dtests=false --native-file=/tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274/.mesonpy-tkynf1bd/meson-python-native-file.ini
            The Meson build system
            Version: 1.5.2
            Source dir: /tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274
            Build dir: /tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274/.mesonpy-tkynf1bd
            Build type: native build
            Project name: pycairo
            Project version: 1.27.0
            C compiler for the host machine: cc (gcc 11.4.0 "cc (Ubuntu 11.4.0-1ubuntu1~22.04) 11.4.0")
            C linker for the host machine: cc ld.bfd 2.38
            Host machine cpu family: x86_64
            Host machine cpu: x86_64
            Program python3 found: YES (/home/asterion/.conda/envs/graphor/bin/python)
            Compiler for C supports arguments -Wall: YES
            Compiler for C supports arguments -Warray-bounds: YES
            Compiler for C supports arguments -Wcast-align: YES
            Compiler for C supports arguments -Wconversion: YES
            Compiler for C supports arguments -Wextra: YES
            Compiler for C supports arguments -Wformat=2: YES
            Compiler for C supports arguments -Wformat-nonliteral: YES
            Compiler for C supports arguments -Wformat-security: YES
            Compiler for C supports arguments -Wimplicit-function-declaration: YES
            Compiler for C supports arguments -Winit-self: YES
            Compiler for C supports arguments -Winline: YES
            Compiler for C supports arguments -Wmissing-format-attribute: YES
            Compiler for C supports arguments -Wmissing-noreturn: YES
            Compiler for C supports arguments -Wnested-externs: YES
            Compiler for C supports arguments -Wold-style-definition: YES
            Compiler for C supports arguments -Wpacked: YES
            Compiler for C supports arguments -Wpointer-arith: YES
            Compiler for C supports arguments -Wreturn-type: YES
            Compiler for C supports arguments -Wshadow: YES
            Compiler for C supports arguments -Wsign-compare: YES
            Compiler for C supports arguments -Wstrict-aliasing: YES
            Compiler for C supports arguments -Wundef: YES
            Compiler for C supports arguments -Wunused-but-set-variable: YES
            Compiler for C supports arguments -Wswitch-default: YES
            Compiler for C supports arguments -Wno-missing-field-initializers: YES
            Compiler for C supports arguments -Wno-unused-parameter: YES
            Compiler for C supports arguments -fno-strict-aliasing: YES
            Compiler for C supports arguments -fvisibility=hidden: YES
            Found pkg-config: YES (/usr/bin/pkg-config) 0.29.2
            Found CMake: /usr/bin/cmake (3.25.1)
            Run-time dependency cairo found: NO (tried pkgconfig and cmake)
      
            ../cairo/meson.build:31:12: ERROR: Dependency "cairo" not found, tried pkgconfig and cmake
      
            A full log can be found at /tmp/pip-install-vmt5nm1l/pycairo_5fd881ec916340478c704edebec72274/.mesonpy-tkynf1bd/meson-logs/meson-log.txt
            [end of output]
      
        note: This error originates from a subprocess, and is likely not a problem with pip.
      error: metadata-generation-failed
      
      × Encountered error while generating package metadata.
      ╰─> See above for output.
      
      note: This is an issue with the package mentioned above, not pip.
      hint: See above for details.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

× pip subprocess to install build dependencies did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.