rustbasic_core/
build.rs

1use std::fs;
2use std::collections::HashSet;
3
4pub fn run() {
5    // Tell Cargo to re-run this build script if Cargo.toml changes
6    println!("cargo:rerun-if-changed=Cargo.toml");
7
8    let mut detected_packages = HashSet::new();
9
10    let mut in_dependencies_section = false;
11
12    if let Ok(toml_content) = fs::read_to_string("Cargo.toml") {
13        for line in toml_content.lines() {
14            let line = line.trim();
15            // Ignore commented out lines
16            if line.starts_with('#') {
17                continue;
18            }
19            
20            // Track sections
21            if line.starts_with('[') && line.ends_with(']') {
22                let section = &line[1..line.len() - 1];
23                in_dependencies_section = section == "dependencies" 
24                    || section.starts_with("dependencies.")
25                    || section == "dev-dependencies"
26                    || section == "build-dependencies";
27                continue;
28            }
29            
30            if !in_dependencies_section {
31                continue;
32            }
33            
34            if let Some(pos) = line.find("rustbasic-") {
35                let start_idx = pos + "rustbasic-".len();
36                let mut end_idx = start_idx;
37                let chars: Vec<char> = line.chars().collect();
38                while end_idx < chars.len() {
39                    let c = chars[end_idx];
40                    if c.is_alphanumeric() || c == '_' || c == '-' {
41                        end_idx += 1;
42                    } else {
43                        break;
44                    }
45                }
46                
47                if end_idx > start_idx {
48                    let suffix: String = chars[start_idx..end_idx].iter().collect();
49                    // Skip core and cli packages, and collect the rest
50                    if suffix != "core" && suffix != "cli" && !suffix.is_empty() {
51                        detected_packages.insert(suffix);
52                    }
53                }
54            }
55        }
56    }
57
58    // Automatically register and enable cfg for each detected package
59    for suffix in &detected_packages {
60        println!("cargo:rustc-check-cfg=cfg({})", suffix);
61        println!("cargo:rustc-cfg={}", suffix);
62    }
63
64    // Always declare known optional package cfg names to avoid compiler warnings
65    if !detected_packages.contains("breeze") {
66        println!("cargo:rustc-check-cfg=cfg(breeze)");
67    }
68
69    if let Ok(target) = std::env::var("TARGET") && target.contains("android") {
70        let manifest_dir = std::env::var("CARGO_MANIFEST_DIR").unwrap();
71        println!("cargo:rustc-link-search=native={}/target/{}/sqlite", manifest_dir, target);
72    }
73}
rustbasic_core/build.rs

rustbasic_core/
build.rs
