+ exec meson setup --prefix /usr --libexecdir lib --sbindir bin --buildtype plain --auto-features enabled --wrap-mode nodownload -D b_lto=true -D b_pie=true build -D tests=true -D vulkan=enabled -D glslang=enabled -D shaderc=enabled -D lcms=enabled -D d3d11=disabled
The Meson build system
Version: 0.60.3
Source dir: /build/libplacebo/src/libplacebo-v4.157.0
Build dir: /build/libplacebo/src/libplacebo-v4.157.0/build
Build type: native build
Project name: libplacebo
Project version: 4.157.0
C compiler for the host machine: cc (gcc 11.1.0 "cc (GCC) 11.1.0")
C linker for the host machine: cc ld.bfd 2.36.1
C++ compiler for the host machine: c++ (gcc 11.1.0 "c++ (GCC) 11.1.0")
C++ linker for the host machine: c++ ld.bfd 2.36.1
Host machine cpu family: riscv64
Host machine cpu: riscv64
Program git found: NO
Compiler for C supports arguments -Wincompatible-pointer-types: YES 
Compiler for C supports link arguments -Wl,--exclude-libs=ALL: YES 
Program python3 found: YES (/usr/bin/python)
Library m found: YES
Run-time dependency threads found: YES
Found pkg-config: /usr/bin/pkg-config (1.8.0)
Run-time dependency vulkan found: YES 1.2.194
Run-time dependency epoxy found: YES 1.5.9
Run-time dependency shaderc found: YES 2021.2.1
Dependency spirv-cross-c-shared skipped: feature d3d11 disabled
Library version skipped: feature d3d11 disabled
Check usable header "d3d11_4.h" skipped: feature d3d11 disabled
Library glslang found: YES
Library HLSL found: YES
Library OGLCompiler found: YES
Library OSDependent found: YES
Library SPIRV found: YES
Library SPVRemapper found: YES
Library GenericCodeGen found: YES
Library MachineIndependent found: YES
Library SPIRV-Tools found: YES
Library SPIRV-Tools-opt found: YES
Has header "glslang/build_info.h" : YES 
Fetching value of define "GLSLANG_VERSION_MAJOR" : 11 
Fetching value of define "GLSLANG_VERSION_MINOR" : 6 
Fetching value of define "GLSLANG_VERSION_PATCH" : 0 
Library pthread found: YES
Run-time dependency lcms2 found: YES 2.12
Configuring config.h using configuration
Configuring config_internal.h using configuration
Did not find CMake 'cmake'
Found CMake: NO
Run-time dependency dav1d found: NO (tried pkgconfig and cmake)
Run-time dependency libavutil found: NO (tried pkgconfig and cmake)
Run-time dependency libavcodec found: NO (tried pkgconfig and cmake)
Configuring include_colorspace_h.c using configuration
Configuring include_common_h.c using configuration
Configuring include_context_h.c using configuration
Configuring include_dispatch_h.c using configuration
Configuring include_dither_h.c using configuration
Configuring include_dummy_h.c using configuration
Configuring include_filters_h.c using configuration
Configuring include_gpu_h.c using configuration
Configuring include_log_h.c using configuration
Configuring include_renderer_h.c using configuration
Configuring include_shaders_av1_h.c using configuration
Configuring include_shaders_colorspace_h.c using configuration
Configuring include_shaders_custom_h.c using configuration
Configuring include_shaders_lut_h.c using configuration
Configuring include_shaders_sampling_h.c using configuration
Configuring include_shaders_h.c using configuration
Configuring include_swapchain_h.c using configuration
Configuring include_utils_frame_queue_h.c using configuration
Configuring include_utils_upload_h.c using configuration
Configuring include_shaders_icc_h.c using configuration
Configuring include_vulkan_h.c using configuration
Configuring include_opengl_h.c using configuration
Run-time dependency glfw3 found: NO (tried pkgconfig and cmake)
sdl2-config found: NO
Run-time dependency sdl2 found: NO (tried pkgconfig and config-tool)
Run-time dependency sdl2_image found: NO (tried pkgconfig and cmake)
Dependency threads found: YES unknown (cached)
Run-time dependency libavcodec found: NO (tried pkgconfig and cmake)
Run-time dependency libavformat found: NO (tried pkgconfig and cmake)
Run-time dependency libavutil found: NO (tried pkgconfig and cmake)
Has header "nuklear.h" : NO 
demos/meson.build:32: WARNING: Nuklear was not found in `demos/3rdparty`. Please run `git submodule update --init` followed by `meson --wipe`.
Configuring config_demos.h using configuration
demos/meson.build:97: WARNING: Demos enabled but no supported combination of windowing system and graphical APIs was found. Demo programs require either GLFW or SDL and either Vulkan or OpenGL to function.
Build targets in project: 35

libplacebo 4.157.0

  User defined options
    auto_features: enabled
    buildtype    : plain
    libexecdir   : lib
    prefix       : /usr
    sbindir      : bin
    wrap_mode    : nodownload
    b_lto        : true
    b_pie        : true
    d3d11        : disabled
    glslang      : enabled
    lcms         : enabled
    shaderc      : enabled
    tests        : true
    vulkan       : enabled

Found ninja-1.10.2 at /usr/bin/ninja
ninja: Entering directory `build'
[1/115] Generating src/vulkan boilerplate with a custom command
FAILED: src/utils_gen.c 
/usr/bin/python ../src/vulkan/utils_gen.py '' src/utils_gen.c
Module 'mako' not found, please install 'python3-mako' or an equivalent package on your system!
[2/115] Compiling C object src/libplacebo.so.157.p/glsl_utils.c.o
[3/115] Compiling C object src/libplacebo.so.157.p/log.c.o
[4/115] Compiling C object src/libplacebo.so.157.p/pl_alloc.c.o
[5/115] Compiling C object src/libplacebo.so.157.p/glsl_spirv.c.o
[6/115] Compiling C object src/libplacebo.so.157.p/dummy.c.o
[7/115] Compiling C object src/libplacebo.so.157.p/dither.c.o
[8/115] Compiling C object src/libplacebo.so.157.p/shaders_av1.c.o
[9/115] Compiling C object src/libplacebo.so.157.p/siphash.c.o
[10/115] Compiling C object src/libplacebo.so.157.p/common.c.o
[11/115] Compiling C object src/libplacebo.so.157.p/pl_string.c.o
[12/115] Compiling C object src/libplacebo.so.157.p/colorspace.c.o
[13/115] Compiling C object src/libplacebo.so.157.p/format.c.o
[14/115] Compiling C object src/libplacebo.so.157.p/filters.c.o
[15/115] Compiling C object src/libplacebo.so.157.p/shaders.c.o
[16/115] Compiling C object src/libplacebo.so.157.p/dispatch.c.o
[17/115] Compiling C object src/libplacebo.so.157.p/renderer.c.o
[18/115] Compiling C object src/libplacebo.so.157.p/gpu.c.o
ninja: build stopped: subcommand failed.
==> ERROR: A failure occurred in build().
    Aborting...