66 lines
2.1 KiB
Rust
66 lines
2.1 KiB
Rust
#![allow(dead_code)]
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// This is taken pretty vanilla from
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// https://github.com/Gekkio/imgui-rs/blob/master/imgui-sys/build.rs
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// for now, but expected to diverge from that over time.
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use std::{env, fs, io, path::Path};
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const CPP_FILES: &[&str] = &[
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"third-party/cimplot/cimplot.cpp",
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"third-party/cimplot/implot/implot.cpp",
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"third-party/cimplot/implot/implot_items.cpp",
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"third-party/cimplot/implot/implot_demo.cpp", // Could remove this if demo not used
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];
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const IMPLOT_INCLUDE_DIRECTORIES: &[&str] = &["third-party/cimplot/implot/"];
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fn assert_file_exists(path: &str) -> io::Result<()> {
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match fs::metadata(path) {
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Ok(_) => Ok(()),
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Err(ref e) if e.kind() == io::ErrorKind::NotFound => {
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panic!(
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"Can't access {}. Did you forget to fetch git submodules?",
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path
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);
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}
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Err(e) => Err(e),
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}
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}
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fn main() -> io::Result<()> {
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// --- Compile cimgui
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let mut build = cc::Build::new();
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build.cpp(true);
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// Take over imgui preprocessor defines from the imgui-sys crate.
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// Taken from https://github.com/aloucks/imguizmo-rs/blob/master/imguizmo-sys/build.rs
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for (key, val) in env::vars().filter(|(key, _)| key.starts_with("DEP_IMGUI_DEFINE_")) {
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let key = key.trim_start_matches("DEP_IMGUI_DEFINE_");
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let val = if !val.is_empty() {
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Some(val.as_str())
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} else {
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None
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};
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build.define(key, val);
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}
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let cimgui_include_path =
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env::var_os("DEP_IMGUI_THIRD_PARTY").expect("DEP_IMGUI_THIRD_PARTY not defined");
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let imgui_include_path = Path::new(&cimgui_include_path).join("imgui");
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build.include(&cimgui_include_path);
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build.include(&imgui_include_path);
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for path in IMPLOT_INCLUDE_DIRECTORIES {
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build.include(path);
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}
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// Taken from the imgui-sys build as well
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build.flag_if_supported("-Wno-return-type-c-linkage");
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build.flag_if_supported("-Wno-unused-parameter");
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build.flag_if_supported("-std=c++11");
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for path in CPP_FILES {
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assert_file_exists(path)?;
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build.file(path);
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}
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build.compile("cimplot");
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Ok(())
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}
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