68 lines
1.9 KiB
Rust
68 lines
1.9 KiB
Rust
|
use std::env;
|
||
|
|
use std::path::PathBuf;
|
||
|
|
|
||
|
|
const LIBRARY_DIR_VARIABLE: &str = "VAPOURSYNTH_LIB_DIR";
|
||
|
|
|
||
|
|
fn main() {
|
||
|
|
// Make sure the build script is re-run if our env variable is changed.
|
||
|
|
println!("cargo:rerun-if-env-changed={}", LIBRARY_DIR_VARIABLE);
|
||
|
|
|
||
|
|
let windows = env::var("TARGET").unwrap().contains("windows");
|
||
|
|
|
||
|
|
// Get the default library dir on Windows.
|
||
|
|
let default_library_dir = if windows {
|
||
|
|
get_default_library_dir()
|
||
|
|
} else {
|
||
|
|
None
|
||
|
|
};
|
||
|
|
|
||
|
|
// Library directory override or the default dir on windows.
|
||
|
|
if let Some(dir) = env::var(LIBRARY_DIR_VARIABLE).ok().or(default_library_dir) {
|
||
|
|
println!("cargo:rustc-link-search=native={}", dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Handle linking to VapourSynth libs.
|
||
|
|
if env::var("CARGO_FEATURE_VAPOURSYNTH_FUNCTIONS").is_ok() {
|
||
|
|
println!("cargo:rustc-link-lib=vapoursynth");
|
||
|
|
}
|
||
|
|
|
||
|
|
if env::var("CARGO_FEATURE_VSSCRIPT_FUNCTIONS").is_ok() {
|
||
|
|
let vsscript_lib_name = if windows {
|
||
|
|
"vsscript"
|
||
|
|
} else {
|
||
|
|
"vapoursynth-script"
|
||
|
|
};
|
||
|
|
|
||
|
|
println!("cargo:rustc-link-lib={}", vsscript_lib_name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns the default library dir on Windows.
|
||
|
|
// The default dir is where the VapourSynth installer puts the libraries.
|
||
|
|
fn get_default_library_dir() -> Option<String> {
|
||
|
|
let host = env::var("HOST").ok()?;
|
||
|
|
|
||
|
|
// If the host isn't Windows we don't have %programfiles%.
|
||
|
|
if !host.contains("windows") {
|
||
|
|
return None;
|
||
|
|
}
|
||
|
|
|
||
|
|
let programfiles = if host.starts_with("i686") {
|
||
|
|
env::var("programfiles")
|
||
|
|
} else {
|
||
|
|
env::var("programfiles(x86)")
|
||
|
|
};
|
||
|
|
|
||
|
|
let suffix = if env::var("TARGET").ok()?.starts_with("i686") {
|
||
|
|
"lib32"
|
||
|
|
} else {
|
||
|
|
"lib64"
|
||
|
|
};
|
||
|
|
|
||
|
|
let mut path = PathBuf::from(programfiles.ok()?);
|
||
|
|
path.push("VapourSynth");
|
||
|
|
path.push("sdk");
|
||
|
|
path.push(suffix);
|
||
|
|
path.to_str().map(|s| s.to_owned())
|
||
|
|
}
|