use cc;

use std::env;

fn main() {
    let mut build = cc::Build::new();

    build.include("vma_source");

    // We want to use our own loader, instead of requiring us to link
    // in vulkan.dll/.dylib in addition. This is especially important
    // for MoltenVK, where there is no default installation path, unlike
    // Linux (pkconfig) and Windows (VULKAN_SDK environment variable).
    build.define("VMA_STATIC_VULKAN_FUNCTIONS", "0");

    build.define("VMA_VULKAN_VERSION", "1002000");
    build.define("VMA_DYNAMIC_VULKAN_FUNCTIONS", "0");

    // TODO: Add some configuration options under crate features
    //#define VMA_HEAVY_ASSERT(expr) assert(expr)
    //#define VMA_USE_STL_CONTAINERS 1
    //#define VMA_DEDICATED_ALLOCATION 0
    //#define VMA_DEBUG_MARGIN 16
    //#define VMA_DEBUG_DETECT_CORRUPTION 1
    //#define VMA_DEBUG_INITIALIZE_ALLOCATIONS 1
    //#define VMA_RECORDING_ENABLED 0
    //#define VMA_DEBUG_MIN_BUFFER_IMAGE_GRANULARITY 256

    let source_files = ["vma_lib/vma_lib.cpp"];

    for source_file in &source_files {
        build.file(&source_file);
    }

    build.cpp(true);

    let target = env::var("TARGET").unwrap();

    // don't assume vulkan headers to be installed, thus import them
    build.include(".");

    if target.contains("darwin") {
        build
            .flag("-std=c++11")
            .flag("-Wno-missing-field-initializers")
            .flag("-Wno-unused-variable")
            .flag("-Wno-unused-parameter")
            .flag("-Wno-unused-private-field")
            .flag("-Wno-reorder")
            .flag("-Wno-type-limits")
            .cpp_link_stdlib("c++")
            .cpp_set_stdlib("c++");
    } else if target.contains("linux") {
        build
            .flag("-std=c++11")
            .flag("-Wno-missing-field-initializers")
            .flag("-Wno-unused-variable")
            .flag("-Wno-unused-parameter")
            .flag("-Wno-unused-private-field")
            .flag("-Wno-reorder")
            .flag("-Wno-type-limits")
            .cpp_link_stdlib("stdc++");
    } else if target.contains("windows") && target.contains("gnu") {
        build
            .flag("-std=c++11")
            .flag("-Wno-missing-field-initializers")
            .flag("-Wno-unused-variable")
            .flag("-Wno-unused-parameter")
            .flag("-Wno-unused-private-field")
            .flag("-Wno-reorder")
            .flag("-Wno-type-limits")
            .cpp_link_stdlib("stdc++");
    }

    build.compile("vma_cpp");
}