meson build/
ninja -C build/
The Meson build system
Version: 0.61.2
Source dir: /home/sophie/build/gamescope
Build dir: /home/sophie/build/gamescope/build
Build type: native build
Project name: gamescope
Project version: undefined
C compiler for the host machine: cc (gcc 11.2.0 "cc (Ubuntu 11.2.0-19ubuntu1) 11.2.0")
C linker for the host machine: cc ld.bfd 2.38
C++ compiler for the host machine: c++ (gcc 11.2.0 "c++ (Ubuntu 11.2.0-19ubuntu1) 11.2.0")
C++ linker for the host machine: c++ ld.bfd 2.38
Host machine cpu family: x86_64
Host machine cpu: x86_64
Compiler for C++ supports arguments -Wno-unused-parameter: YES
Compiler for C++ supports arguments -Wno-missing-field-initializers: YES
Compiler for C++ supports arguments -Wno-c99-designator: NO
Compiler for C++ supports arguments -Wno-invalid-offsetof: YES
Compiler for C++ supports arguments -Wno-unused-const-variable: YES
Found pkg-config: /usr/bin/pkg-config (0.29.2)
Run-time dependency x11 found: YES 1.7.5
Run-time dependency xdamage found: YES 1.1.5
Run-time dependency xcomposite found: YES 0.4.5
Run-time dependency xrender found: YES 0.9.10
Run-time dependency xext found: YES 1.3.4
Run-time dependency xfixes found: YES 6.0.0
Run-time dependency xxf86vm found: YES 1.1.4
Run-time dependency xtst found: YES 1.2.3
Run-time dependency xres found: YES 1.2.1
Run-time dependency libdrm found: YES 2.4.110
Run-time dependency vulkan found: YES 1.3.204
Dependency wayland-server found: NO found 1.20.0 but need: '>=1.21'
Found CMake: /usr/bin/cmake (3.22.1)
Run-time dependency wayland-server found: NO (tried cmake)

meson.build:40:0: ERROR: Invalid version of dependency, need 'wayland-server' ['>=1.21'] found '1.20.0'.

A full log can be found at /home/sophie/build/gamescope/build/meson-logs/meson-log.txt
ninja: Entering directory `build/'
ninja: error: loading 'build.ninja': No such file or directory