From 825c69d40cddc1245bb2057600d07c62415cc1be Mon Sep 17 00:00:00 2001
From: Evan Pratten <ewpratten@gmail.com>
Date: Fri, 9 Dec 2022 10:01:51 -0500
Subject: [PATCH] linking should work now

---
 Cargo.toml |  3 ++-
 build.rs   | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 68 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 810f5ff..9be5bb8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,5 @@ categories = []
 
 
 [build-dependencies]
-bindgen = "^0.63.0"
\ No newline at end of file
+bindgen = "^0.63.0"
+cmake = "^0.1.49"
\ No newline at end of file
diff --git a/build.rs b/build.rs
index a4ff8b4..d2b810d 100644
--- a/build.rs
+++ b/build.rs
@@ -1,9 +1,67 @@
 use std::path::PathBuf;
 
-use bindgen::Bindings;
+/// Compiles raylib
+fn compile_raylib(raylib_path: &str) {
+    // Construct a config for running cmake
+    let mut cmake_config = cmake::Config::new(raylib_path);
+    let mut cmake_config = cmake_config
+        .define("BUILD_EXAMPLES", "OFF")
+        .define("CMAKE_BUILD_TYPE", "Release");
 
+    // Set the correct build profile
+    #[cfg(debug_assertions)]
+    {
+        cmake_config = cmake_config.profile("Debug");
+    }
+
+    #[cfg(not(debug_assertions))]
+    {
+        cmake_config = cmake_config.profile("Release");
+    }
+
+    // Build the cmake project
+    let destination = cmake_config.build();
+
+    // Tell cargo where the libraries might be
+    println!("cargo:rustc-link-search=native={}", destination.join("lib").display());
+    println!("cargo:rustc-link-search=native={}", destination.join("lib32").display());
+    println!("cargo:rustc-link-search=native={}", destination.join("lib64").display());
+}
+
+/// Links libraries
+fn link_libs() {
+    // Handle windows libs
+    if cfg!(windows) {
+        println!("cargo:rustc-link-lib=dylib=winmm");
+        println!("cargo:rustc-link-lib=dylib=gdi32");
+        println!("cargo:rustc-link-lib=dylib=user32");
+        println!("cargo:rustc-link-lib=dylib=shell32");
+    }
+    // Handle MacOS
+    else if cfg!(target_os = "macos") {
+        println!("cargo:rustc-link-search=native=/usr/local/lib");
+        println!("cargo:rustc-link-lib=framework=OpenGL");
+        println!("cargo:rustc-link-lib=framework=Cocoa");
+        println!("cargo:rustc-link-lib=framework=IOKit");
+        println!("cargo:rustc-link-lib=framework=CoreFoundation");
+        println!("cargo:rustc-link-lib=framework=CoreVideo");
+    }
+    // Handle UNIX
+    else if cfg!(unix) {
+        println!("cargo:rustc-link-search=/usr/local/lib");
+        println!("cargo:rustc-link-lib=X11");
+    }
+    // Fail on other platforms
+    else {
+        panic!("Unsupported platform");
+    }
+
+    // Link raylib itself
+    println!("cargo:rustc-link-lib=static=raylib");
+}
+
+/// Generates `bindings.rs` file
 fn generate_bindings(header_file: &str) {
-
     // Generate the data
     let bindings = bindgen::Builder::default()
         .header(header_file)
@@ -22,6 +80,12 @@ pub fn main() {
     // Files to watch that should trigger a rebuild
     println!("cargo:rerun-if-changed=src/wrapper.h");
 
+    // Compile raylib
+    compile_raylib("third_party/raylib");
+
+    // Link libraries
+    link_libs();
+
     // Generate bindings
     generate_bindings("src/wrapper.h");
 }