Can't build llamacpp witih Vulkan in meson

[lunarlattice0]

Hi all,

I'm having some trouble building Vulkan on llamacpp on meson. I have embedded LlamaCpp as a subproject in my meson project, but it seems that compiling Vulkan components causes the configuration passed by meson to be malformed. Curiously, it seems to build the wrong target. Since this isn't really the traditional way to build llama.cpp, I don't want to open a bug report about it just yet.

My meson cmake defines are:

llamacpp_opt_var = cmake.subproject_options()

llamacpp_opt_var.add_cmake_defines({'GGML_VULKAN': 'ON'})
llamacpp_opt_var.add_cmake_defines({'CMAKE_BUILD_TYPE': 'Release'})

llamacpp_opt_var.add_cmake_defines({'GGML_OPENCL': 'ON'})
llamacpp_opt_var.add_cmake_defines({'GGML_BLAS': 'ON'})

llamacpp_opt_var.add_cmake_defines({'LLAMA_USE_SYSTEM_GGML': 'OFF'})
llamacpp_opt_var.add_cmake_defines({'LLAMA_BUILD_TESTS': 'OFF'})
llamacpp_opt_var.add_cmake_defines({'GGML_BUILD_EXAMPLES': 'OFF'})
llamacpp_opt_var.add_cmake_defines({'GGML_BUILD_TESTS': 'OFF'})
llamacpp_opt_var.add_cmake_defines({'GGML_LTO': 'ON'})
llamacpp_opt_var.add_cmake_defines({'GGML_RPC': 'ON'})

llamacpp_opt_var.add_cmake_defines({'GGML_BLAS_VENDOR': 'OpenBLAS'})
llamacpp_opt_var.add_cmake_defines({'BUILD_SHARED_LIBS': 'OFF'})
llamacpp_proj = cmake.subproject('llama.cpp', options: llamacpp_opt_var)
llamacpp_lib = llamacpp_proj.dependency('llama')

and I get the error:

[workstation@workstation build]$ ninja
[1/347] Generating subprojects/llama.cpp/custom_tgt_12 with a custom command
FAILED: [code=1] subprojects/llama.cpp/vulkan-shaders-gen-build
/usr/bin/meson --internal cmake_run_ctgt -o subprojects/llama.cpp/vulkan-shaders-gen-build -O /home/workstation/exAIgesis/build/subprojects/llama.cpp/__CMake_build/ggml/src/ggml-vulkan/vulkan-shaders-gen-prefix/src/vulkan-shaders-gen-stamp/vulkan-shaders-gen-build -d /home/workstation/exAIgesis/build/subprojects/llama.cpp/__CMake_build/ggml/src/ggml-vulkan/vulkan-shaders-gen-prefix/src/vulkan-shaders-gen-build /usr/bin/cmake --build . --config ';;;'
CMake Error: Invalid value used with --config
Usage: cmake --build <dir>             [options] [-- [native-options]]
       cmake --build --preset <preset> [options] [-- [native-options]]
Options:
  <dir>          = Project binary directory to be built.
  --preset <preset>, --preset=<preset>
                 = Specify a build preset.
  --list-presets[=<type>]
                 = List available build presets.
  --parallel [<jobs>], -j [<jobs>]
                 = Build in parallel using the given number of jobs.
                   If <jobs> is omitted the native build tool's
                   default number is used.
                   The CMAKE_BUILD_PARALLEL_LEVEL environment variable
                   specifies a default parallel level when this option
                   is not given.
  -t <tgt>..., --target <tgt>...
                 = Build <tgt> instead of default targets.
  --config <cfg> = For multi-configuration tools, choose <cfg>.
  --clean-first  = Build target 'clean' first, then build.
                   (To clean only, use --target 'clean'.)
  --resolve-package-references={on|only|off}
                 = Restore/resolve package references during build.
  -v, --verbose  = Enable verbose output - if supported - including
                   the build commands to be executed.
  --             = Pass remaining options to the native tool.

I am building llamacpp in an Arch Linux container.