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#!/usr/bin/env python

Import("env")

def build_lexy(env):
    env.Append(CPPDEFINES=["LEXY_HAS_UNICODE_DATABASE=1"])
    lexy_env = env.Clone()

    # Require C++20
    if lexy_env.get("is_msvc", False):
        lexy_env.Append(CXXFLAGS=["/std:c++20"])

        lexy_env.Append(CXXFLAGS=["/WX", "/W3", "/D", "_CRT_SECURE_NO_WARNINGS"])
        if not lexy_env.get("use_clang_cl"):
            lexy_env.Append(CXXFLAGS=["/wd5105"])
    else:
        lexy_env.Append(CXXFLAGS=["-std=c++20"])

        lexy_env.Append(CXXFLAGS=["-pedantic-errors", "-Werror", "-Wall", "-Wextra", "-Wconversion", "-Wsign-conversion"])
        if lexy_env.get("use_llvm"):
            lexy_env.Append(CXXFLAGS=["-Wno-shift-op-parentheses", "-Wno-parentheses-equality"])
        else:
            lexy_env.Append(CXXFLAGS=[
                "-Wno-parentheses", "-Wno-unused-local-typedefs", "-Wno-array-bounds" #, "-Wno-maybe-uninitialized", "-Wno-restrict"
            ])

    paths = ["lexy/include", "lexy/src"]
    lexy_env.Append(CPPPATH=[[lexy_env.Dir(p) for p in paths]])
    sources = env.GlobRecursive("*.cpp", paths)
    env.lexy_sources = sources
    library_name = "liblexy_file" + env["LIBSUFFIX"]
    library = lexy_env.StaticLibrary(target="lexy/src/" + library_name, source=sources)
    Default(library)

    env.Append(CPPPATH=[lexy_env.Dir("lexy/include")])
    if env.get("is_msvc", False):
        env.Append(CXXFLAGS=["/external:I", lexy_env.Dir("lexy/include"), "/external:W0"])
    else:
        env.Append(CXXFLAGS=["-isystem", lexy_env.Dir("lexy/include")])
    env.Append(CXXFLAGS=[""])
    env.Append(LIBPATH=[lexy_env.Dir("lexy/src")])
    env.Prepend(LIBS=[library_name])


build_lexy(env)