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我有一个父项目和一个使用介子的子项目。可悲的是，子项目仅在发布模式下构建。但是，即使我使用 --reconfigure 将父项目设置为调试并使用 configure 检查构建类型是否为调试，似乎没有为子项目定义 NDEBUG 宏，这导致它无法编译。

有没有办法为子项目启用调试构建？

父片段：

project(
    'SdfParametrization',
    'cpp',
    version: '0.0.1',
    license: 'GPL',
    default_options : [
        'cpp_std=c++20',
        'default_library=static',
        'optimization=3',
        'b_ndebug=true'])

add_global_arguments(
    '-DVULKAN_HPP_NO_EXCEPTIONS',
    '-DVULKAN_HPP_TYPESAFE_CONVERSION',
    '-DNDEBUG',
    '-Wno-unused-function',
    '-fdiagnostics-color=always',
    '--coverage',
    language : 'cpp')

add_global_link_arguments(
    '-lgcov',
    '-lubsan',
    '-ldl',
    '-lvulkan',
    language : 'cpp')

cpp = meson.get_compiler('cpp')

neverengine_proj = subproject('neverengine', default_options:['buildtype=debugoptimized'])
neverengine_dep = neverengine_proj.get_variable('core_never_engine_dep')

executable('sdf_parameterization', 'ray_tracing.cpp', dependencies:[neverengine_dep])

子片段：

project(
    'NeverEngine',
    'cpp',
    version: '0.0.1',
    license: 'GPL',
    default_options : [
        'cpp_std=c++20',
        'default_library=static',
        'optimization=3'])

if not meson.is_subproject()
    add_global_arguments(
        '-DVULKAN_HPP_NO_EXCEPTIONS',
        '-DVULKAN_HPP_TYPESAFE_CONVERSION',
        '-Wno-unused-function',
        '-fdiagnostics-color=always',
        '-fsanitize=undefined',
        '--coverage',
        language : 'cpp')

    add_global_link_arguments(
        '-lgcov',
        '-lubsan',
        language : 'cpp')
endif

cpp = meson.get_compiler('cpp')

external_include_dirs = [
    'libraries/Eigen/',
    'libraries/imgui/',
    'libraries/incbin/']

sources = files(
    'Src/Engine/Animation/Animation.cpp',
    'Src/Engine/Animation/AnimationMesh.cpp',
    'Src/Engine/Animation/GltfLib.cpp',
    'Src/Engine/Animation/GltfLoaders.cpp',
    'Src/Engine/Animation/Image/CpuImage.cpp',
    'Src/Engine/Animation/NumericIntegration.cpp',
    'Src/Engine/Animation/SpringMass.cpp',
    'Src/Engine/DataSanitation/AttributeInputSanitation.cpp',
    'Src/Engine/DynamicLoading/DynamicLoader.cpp',
    'Src/Engine/EmbeddedShaders/EmbeddedShaders.cpp',
    'Src/Engine/GUI/Guizmo3D.cpp',
    'Src/Engine/GUI/_imgui.cpp',
    'Src/Engine/GUI/imgui_bridge.cpp',
    'Src/Engine/Geometry/DualContouring.cpp',
    'Src/Engine/Geometry/GeometryUtils.cpp',
    'Src/Engine/Geometry/HMesh.cpp',
    'Src/Engine/Geometry/HeatGeodesics.cpp',
    'Src/Engine/Geometry/MatrixMesh.cpp',
    'Src/Engine/Geometry/MeshGradient.cpp',
    'Src/Engine/Geometry/MeshUtils.cpp',
    'Src/Engine/Geometry/Parametrics.cpp',
    'Src/Engine/Geometry/SdfFramework.cpp',
    'Src/Engine/Geometry/Subdivision.cpp',
    'Src/Engine/Helpers/EigenHelpers.cpp',
    'Src/Engine/Helpers/FlotingPointArithmetic.cpp',
    'Src/Engine/Helpers/MiscUtils.cpp',
    'Src/Engine/Helpers/NumberTheory.cpp',
    'Src/Engine/Helpers/VectorManipulation.cpp',
    'Src/Engine/Helpers/log.cpp',
    'Src/Engine/Noise/Noise.cpp',
    'Src/Engine/Renderer/Camera/Camera.cpp',
    'Src/Engine/Renderer/IO/GLFW_tools.cpp',
    'Src/Engine/Renderer/IO/InputHandler.cpp',
    'Src/Engine/Renderer/IO/Window.cpp',
    'Src/Engine/Renderer/Renderer.cpp',
    'Src/Engine/Renderer/Rendering/Effects.cpp',
    'Src/Engine/Renderer/Rendering/Gallery.cpp',
    'Src/Engine/Renderer/Rendering/RenderTargetStorage.cpp',
    'Src/Engine/Renderer/Rendering/RenderingTechniques.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/HardwareInterface.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/Image.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/Memory.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/RenderTarget.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/RenderingPipeline.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/ShaderProgram.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/Utils.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/VkExtensionsStubs.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/VulkanBuffer.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/VulkanDebugging.cpp',
    'Src/Engine/Renderer/Scribe/Scribe.cpp',
    'Src/Engine/Shared/Shared.cpp')

external_incs = include_directories(external_include_dirs, is_system : true)
internal_incs = include_directories(['Src/Engine/', 'build/'])

all_includes = []
all_includes += external_incs
all_includes += internal_incs

pkg = import('pkgconfig')

linked_dependencies = []

linked_dependencies += dependency('vulkan', include_type : 'system')
linked_dependencies += dependency('vulkan-memory-allocator', include_type : 'system')
linked_dependencies += dependency('glfw3', include_type : 'system')
linked_dependencies += dependency('threads', include_type : 'system')
linked_dependencies += dependency('zlib', include_type : 'system')
linked_dependencies += dependency('shaderc_static', include_type : 'system')
linked_dependencies += dependency('freetype2', include_type : 'system')
linked_dependencies += dependency('stb', include_type : 'system')
linked_dependencies += dependency('tinygltf', include_type : 'system')

pre_target = custom_target(
    'Preprocess',
    output : [
        'UniformObjects.cpp',
        'UniformObjects.hpp'],
        build_always_stale : true,
        command : ['python3', '../Scripts/preprocessing.py'])

sources += pre_target
core_lib = library('CoreNeverEngine',
    sources,
    include_directories : all_includes,
    dependencies : linked_dependencies,
    build_by_default : true)
pkg.generate(core_lib)

example_path_template = 'Src/examples/@0@/@1@.cpp'

examples = [
    'base_example',
    'disk_terrain',
    'example2',
    'gaussian_subdivision',
    'gltf_loading',
    'heat_geodesics',
    'implicit_functions',
    'mesh_matrices',
    'ray_tracing',
    'sponza_scene',
    'spring_mass',
    'terrain_generation']

foreach example : examples
    tokens = example.split('_')
    camel_case_name = ''
    foreach word : tokens
        lower_case = word[0]
        upper_case = lower_case.to_upper()
        camel_case_name += upper_case + word
        camel_case_name = camel_case_name.replace(upper_case + lower_case, upper_case)
    endforeach

    path = example_path_template.format(camel_case_name, example)
    target = executable(camel_case_name, [path],
        include_directories : all_includes,
        link_with : core_lib,
        dependencies : [linked_dependencies])

endforeach

linked_dependencies += dependency('gtest')

geometry_test_files = [
    'Src/Engine/Geometry/tests/GeometryTests.cpp',
    'Src/Engine/Geometry/tests/TestsGeometryUtils_hpp.cpp',

    'Src/Engine/Geometry/GeometryUtils.cpp',
    'Src/Engine/Helpers/log.cpp',
]
test = executable(
    'GeometryTests',
    geometry_test_files,
    include_directories : all_includes,
    dependencies : linked_dependencies,
    link_args : ['-fprofile-arcs', '-ftest-coverage'],
    cpp_args : ['-fprofile-arcs', '-ftest-coverage'])

test('GeometryTests', test)


vulkan_test_files = [
    'Src/Engine/Renderer/Rendering/VulkanLayer/tests/VulkanLayerTests.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/tests/TestsHardwareInterface_cpp.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/tests/TestsHardwareInterface_hpp.cpp',

    'Src/Engine/Renderer/Rendering/VulkanLayer/VulkanDebugging.cpp',
    'Src/Engine/Renderer/Rendering/VulkanLayer/VkExtensionsStubs.cpp',
    'Src/Engine/Helpers/log.cpp',
]
test = executable(
    'VulkanTests',
    vulkan_test_files,
    include_directories : all_includes,
    dependencies : linked_dependencies,
    link_args : ['-fprofile-arcs', '-ftest-coverage'],
    cpp_args : ['-fprofile-arcs', '-ftest-coverage'])

test('VulkanTests', test)
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1 回答 1

1

这目前不受支持，正如您从核心选项表中看到的那样，到目前为止，每个子项目只能设置 3 个选项：werror和default_library（从0.54.0 开始）和 warning_level（从0.56.0 开始）。在为每个子项目指定选项的下方，您可以找到更多详细信息，例如有关申请顺序的信息。

此外，我从问题Subproject default_options 的讨论中发现，主要贡献者之一说：

现在，每个项目只允许使用几个选项：default_library、werror（还有一个我不记得了）。随着时间的推移，我们不断添加更多，但其他的被忽略了，是的。

于 2021-11-18T22:20:07.797 回答