diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 351 |
1 files changed, 351 insertions, 0 deletions
diff --git a/meson.build b/meson.build new file mode 100644 index 0000000..5daf95b --- /dev/null +++ b/meson.build @@ -0,0 +1,351 @@ +project( + 'hsdbg', + ['c', 'cpp'], + version : '0.1.0', + meson_version : '>= 1.1.0', + default_options : [ + 'c_std=c11', + 'cpp_std=c++23', + # the vendored dependencies keep their own warnings off; hsdbg opts back + # in explicitly below so the flag set matches what premake used + 'warning_level=0', + 'default_library=static', + ], +) + +cc = meson.get_compiler('c') +cpp = meson.get_compiler('cpp') + +system = host_machine.system() +is_macos = system == 'darwin' +is_linux = system == 'linux' +is_windows = system == 'windows' +msvc = cpp.get_argument_syntax() == 'msvc' + +python = find_program('python3', 'python') + +# glfw cocoa is Objective-C; only pull in that toolchain where it is needed +if is_macos + add_languages('objc', required : true, native : false) +endif + +# --- locate llvm / lldb ------------------------------------------------------ +# tools/find_llvm.py carries the search logic (env, vendored ext/llvm, +# llvm-config, platform defaults) and prints KEY=value lines we parse here. +llvm_query = run_command( + python, files('tools/find_llvm.py'), get_option('llvm_prefix'), + check : false, +) + +if llvm_query.returncode() != 0 + error( + 'no llvm with lldb headers found. install one and pass ' + + '-Dllvm_prefix=<path> (or set $LLVM_PREFIX), or run ' + + '`python3 tools/fetch_llvm.py` to download the pinned release, ' + + 'then reconfigure.' + ) +endif + +llvm_prefix = '' +lldb_incdir = '' +lldb_libdir = '' +lldb_lib = '' +lldb_dlls = [] + +foreach line : llvm_query.stdout().strip().split('\n') + if line.contains('=') + pair = line.split('=') + key = pair[0] + value = pair[1] + if key == 'prefix' + llvm_prefix = value + elif key == 'incdir' + lldb_incdir = value + elif key == 'libdir' + lldb_libdir = value + elif key == 'lib' + lldb_lib = value + elif key == 'dll' + lldb_dlls += value + endif + endif +endforeach + +message('using llvm/lldb at ' + llvm_prefix) + +# lldb lives outside the source tree, so feed its include path through the +# compiler as a system dir (quiets its headers under our strict warnings) and +# link the resolved library by full path, exactly as premake did +if msvc + lldb_inc_args = ['/I' + lldb_incdir] +else + lldb_inc_args = ['-isystem', lldb_incdir] +endif + +lldb_dep = declare_dependency( + compile_args : lldb_inc_args, + link_args : [lldb_lib], +) + +# --- vendored dependencies --------------------------------------------------- +glfw_inc = include_directories('ext/glfw/include') +glad_inc = include_directories('ext/glad/include') +imgui_inc = include_directories('ext/imgui', 'ext/imgui/backends') + +# glfw +glfw_src = files( + 'ext/glfw/src/context.c', + 'ext/glfw/src/init.c', + 'ext/glfw/src/input.c', + 'ext/glfw/src/monitor.c', + 'ext/glfw/src/platform.c', + 'ext/glfw/src/vulkan.c', + 'ext/glfw/src/window.c', + 'ext/glfw/src/null_init.c', + 'ext/glfw/src/null_joystick.c', + 'ext/glfw/src/null_monitor.c', + 'ext/glfw/src/null_window.c', +) + +if is_linux + glfw_defines = ['-D_GLFW_X11'] + glfw_src += files( + 'ext/glfw/src/x11_init.c', + 'ext/glfw/src/x11_monitor.c', + 'ext/glfw/src/x11_window.c', + 'ext/glfw/src/xkb_unicode.c', + 'ext/glfw/src/wl_init.c', + 'ext/glfw/src/wl_monitor.c', + 'ext/glfw/src/wl_window.c', + 'ext/glfw/src/posix_module.c', + 'ext/glfw/src/posix_time.c', + 'ext/glfw/src/posix_thread.c', + 'ext/glfw/src/posix_poll.c', + 'ext/glfw/src/glx_context.c', + 'ext/glfw/src/egl_context.c', + 'ext/glfw/src/osmesa_context.c', + 'ext/glfw/src/linux_joystick.c', + ) +elif is_macos + glfw_defines = ['-D_GLFW_COCOA'] + glfw_src += files( + 'ext/glfw/src/cocoa_init.m', + 'ext/glfw/src/cocoa_joystick.m', + 'ext/glfw/src/cocoa_monitor.m', + 'ext/glfw/src/macos_time.c', + 'ext/glfw/src/cocoa_window.m', + 'ext/glfw/src/nsgl_context.m', + 'ext/glfw/src/egl_context.c', + 'ext/glfw/src/osmesa_context.c', + 'ext/glfw/src/posix_module.c', + 'ext/glfw/src/posix_thread.c', + ) +elif is_windows + glfw_defines = ['-D_GLFW_WIN32', '-D_CRT_SECURE_NO_WARNINGS'] + glfw_src += files( + 'ext/glfw/src/win32_init.c', + 'ext/glfw/src/win32_joystick.c', + 'ext/glfw/src/win32_module.c', + 'ext/glfw/src/win32_monitor.c', + 'ext/glfw/src/win32_thread.c', + 'ext/glfw/src/win32_time.c', + 'ext/glfw/src/win32_window.c', + 'ext/glfw/src/wgl_context.c', + 'ext/glfw/src/egl_context.c', + 'ext/glfw/src/osmesa_context.c', + ) +else + glfw_defines = [] +endif + +glfw = static_library( + 'glfw', + glfw_src, + c_args : glfw_defines, + objc_args : is_macos ? glfw_defines : [], + include_directories : glfw_inc, + override_options : ['warning_level=0'], +) +glfw_dep = declare_dependency( + link_with : glfw, + include_directories : glfw_inc, +) + +# glad +glad = static_library( + 'glad', + files('ext/glad/src/gl.c'), + include_directories : glad_inc, + override_options : ['warning_level=0'], +) +glad_dep = declare_dependency( + link_with : glad, + include_directories : glad_inc, +) + +# imgui (+ glfw / opengl3 backends) +imgui_args = ['-DGLFW_INCLUDE_NONE'] +if is_macos + imgui_args += '-DGL_SILENCE_DEPRECATION' +elif is_windows + imgui_args += '-D_CRT_SECURE_NO_WARNINGS' +endif + +imgui = static_library( + 'imgui', + files( + 'ext/imgui/imgui.cpp', + 'ext/imgui/imgui_draw.cpp', + 'ext/imgui/imgui_tables.cpp', + 'ext/imgui/imgui_widgets.cpp', + 'ext/imgui/imgui_demo.cpp', + 'ext/imgui/misc/cpp/imgui_stdlib.cpp', + 'ext/imgui/backends/imgui_impl_glfw.cpp', + 'ext/imgui/backends/imgui_impl_opengl3.cpp', + ), + cpp_args : imgui_args, + include_directories : [imgui_inc, glfw_inc], + override_options : ['warning_level=0'], +) +imgui_dep = declare_dependency( + link_with : imgui, + include_directories : imgui_inc, +) + +# --- hsdbg ------------------------------------------------------------------- +hsdbg_src = files( + 'src/main.cpp', + 'src/ui/ui.cpp', + 'src/ui/profiler.cpp', + 'src/ui/preferences.cpp', + 'src/ui/theme.cpp', + 'src/ui/image_renderer.cpp', + 'src/ui/macro_expander.cpp', + 'src/ui/widgets.cpp', + 'src/ui/source_view.cpp', + 'src/ui/animated_image.cpp', + 'src/core/log.cpp', + 'src/core/window.cpp', + 'src/core/window_manager.cpp', + 'src/core/application.cpp', + 'src/debugger/debugger.cpp', +) + +asset_dir = meson.project_source_root().replace('\\', '/') + '/assets' + +hsdbg_defines = [ + '-DGLFW_INCLUDE_NONE', + '-D_CRT_SECURE_NO_WARNINGS', + '-DHSDBG_LLVM_PREFIX="' + llvm_prefix + '"', + '-DHSDBG_ASSET_DIR="' + asset_dir + '"', +] + +if is_windows + hsdbg_defines += '-DHSDBG_WINDOWS' +elif is_linux + hsdbg_defines += '-DHSDBG_LINUX' +elif is_macos + hsdbg_defines += '-DHSDBG_MACOS' +endif + +# dist is a stripped release build; premake keyed its HSDBG_DIST off that +# configuration, so tie it to disabled asserts (-Db_ndebug=true) +ndebug = get_option('b_ndebug') +is_dist = ndebug == 'true' or ( + ndebug == 'if-release' + and get_option('buildtype') in ['release', 'plain'] +) +if is_dist + hsdbg_defines += '-DHSDBG_DIST' +endif + +hsdbg_warnings = [] +if not msvc + hsdbg_warnings = [ + '-Wall', + '-Wextra', + '-Wpedantic', + '-Wconversion', + '-Wsign-conversion', + '-Wshadow', + ] +endif + +# match premake's frame-pointer preservation whenever a sanitizer is active +if get_option('b_sanitize') != 'none' + hsdbg_warnings += '-fno-omit-frame-pointer' +endif + +hsdbg_deps = [lldb_dep, glfw_dep, glad_dep, imgui_dep] + +if is_macos + hsdbg_deps += dependency( + 'appleframeworks', + modules : [ + 'Cocoa', + 'IOKit', + 'CoreFoundation', + 'CoreVideo', + 'OpenGL', + 'QuartzCore', + ], + ) +elif is_linux + hsdbg_deps += dependency('gl') + hsdbg_deps += dependency('threads') + hsdbg_deps += cc.find_library('dl') + hsdbg_deps += cc.find_library('m') +elif is_windows + hsdbg_deps += cc.find_library('opengl32') +endif + +# on unix the loader needs to find liblldb at runtime; on windows we stage the +# runtime dlls next to the executable instead (below) +hsdbg_rpath = is_windows ? '' : lldb_libdir + +hsdbg = executable( + 'hsdbg', + hsdbg_src, + include_directories : include_directories('src', 'ext/stb'), + cpp_args : hsdbg_defines + hsdbg_warnings, + dependencies : hsdbg_deps, + build_rpath : hsdbg_rpath, +) + +if is_windows and lldb_dlls.length() > 0 + # stage the lldb / python runtime dlls beside hsdbg.exe (top-level targets + # land in the build root), mirroring premake's postbuild copies + custom_target( + 'llvm-runtime', + command : [ + python, + files('tools/copy_files.py'), + '@OUTPUT@', + meson.project_build_root(), + ] + lldb_dlls, + output : 'llvm-runtime.stamp', + build_by_default : true, + ) +endif + +# --- developer conveniences (old premake actions) ---------------------------- +run_target('fetch-llvm', command : [python, files('tools/fetch_llvm.py')]) + +cppcheck = find_program('cppcheck', required : false) +if cppcheck.found() + # meson emits compile_commands.json into the build dir, so no bear needed; + # analyse the configured build type (use a release/dist build dir to mirror + # premake, which checked the dist configuration) + run_target( + 'cppcheck', + command : [ + cppcheck, + '--project=' + meson.project_build_root() / 'compile_commands.json', + '-i', meson.project_source_root() / 'ext', + '--suppress=*:*/ext/*', + '--inline-suppr', + '--enable=warning,style,performance,portability', + '--error-exitcode=1', + ], + ) +endif |