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Support cross compiling in xtask bundle

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This commit is contained in:
Robbert van der Helm 2022-02-10 20:44:47 +01:00
parent ed5e0f673b
commit a83cbf8aca
1 changed files with 101 additions and 45 deletions
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136
xtask/src/main.rs
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@ -3,7 +3,8 @@ use std::fs;
use std::path::Path;
use std::process::Command;
const USAGE_STRING: &str = "Usage: cargo xtask bundle <target> [--release] [--bundle-vst3]";
const USAGE_STRING: &str =
"Usage: cargo xtask bundle <package> [--release] [--target <triple>] [--bundle-vst3]";
fn main() -> Result<()> {
let project_root = Path::new(env!("CARGO_MANIFEST_DIR"))
@ -18,21 +19,22 @@ fn main() -> Result<()> {
.context(format!("Missing command name\n\n{USAGE_STRING}"))?;
match command.as_str() {
"bundle" => {
let target = args
let package = args
.next()
.context(format!("Missing target name\n\n{USAGE_STRING}"))?;
.context(format!("Missing package name\n\n{USAGE_STRING}"))?;
let other_args: Vec<_> = args.collect();
bundle(&target, other_args)
bundle(&package, other_args)
}
_ => bail!("Unknown command '{command}'\n\n{USAGE_STRING}"),
}
}
// TODO: This probably needs more work for macOS. I don't know, I don't have a Mac.
fn bundle(target: &str, mut args: Vec<String>) -> Result<()> {
fn bundle(package: &str, mut args: Vec<String>) -> Result<()> {
let mut is_release_build = false;
let mut bundle_vst3 = false;
let mut cross_compile_target: Option<String> = None;
for arg_idx in (0..args.len()).rev() {
let arg = &args[arg_idx];
match arg.as_str() {
@ -41,6 +43,21 @@ fn bundle(target: &str, mut args: Vec<String>) -> Result<()> {
args.remove(arg_idx);
}
"--release" => is_release_build = true,
"--target" => {
// When cross compiling we should generate the correct bundle type
cross_compile_target = Some(
args.get(arg_idx + 1)
.context("Missing cross-compile target")?
.to_owned(),
);
}
arg if arg.starts_with("--target=") => {
cross_compile_target = Some(
arg.strip_prefix("--target=")
.context("Missing cross-compile target")?
.to_owned(),
);
}
_ => (),
}
}
@ -48,24 +65,27 @@ fn bundle(target: &str, mut args: Vec<String>) -> Result<()> {
let status = Command::new("cargo")
.arg("build")
.arg("-p")
.arg(target)
.arg(package)
.args(args)
.status()
.context(format!("Could not call cargo to build {target}"))?;
.context(format!("Could not call cargo to build {package}"))?;
if !status.success() {
bail!("Could not build {}", target);
bail!("Could not build {}", package);
}
let lib_path = Path::new("target")
let lib_path = Path::new(target_base(cross_compile_target.as_deref())?)
.join(if is_release_build { "release" } else { "debug" })
.join(library_name(target));
.join(library_basename(package, cross_compile_target.as_deref())?);
if !lib_path.exists() {
bail!("Could not find built library at {}", lib_path.display());
bail!("Could not find built library at '{}'", lib_path.display());
}
eprintln!();
if bundle_vst3 {
let vst3_lib_path = Path::new("target").join(vst3_bundle_library_name(target));
let vst3_lib_path = Path::new("target").join(vst3_bundle_library_name(
package,
cross_compile_target.as_deref(),
)?);
let vst3_bundle_home = vst3_lib_path
.parent()
.unwrap()
@ -86,45 +106,81 @@ fn bundle(target: &str, mut args: Vec<String>) -> Result<()> {
Ok(())
}
fn target_base(cross_compile_target: Option<&str>) -> Result<&'static str> {
match cross_compile_target {
Some("x86_64-unknown-linux-gnu") => Ok("target/x86_64-unknown-linux-gnu"),
Some("x86_64-pc-windows-gnu") => Ok("target/x86_64-pc-windows-gnu"),
Some("x86_64-apple-darwin") => Ok("target/x86_64-apple-darwin"),
Some(target) => bail!("Unhandled cross-compilation target: {}", target),
None => Ok("target"),
}
}
fn library_basename(package: &str, cross_compile_target: Option<&str>) -> Result<String> {
fn library_basename_linux(package: &str) -> String {
format!("lib{package}.so")
}
fn library_basename_macos(package: &str) -> String {
format!("lib{package}.dylib")
}
fn library_basename_windows(package: &str) -> String {
format!("{package}.dll")
}
match cross_compile_target {
Some("x86_64-unknown-linux-gnu") => Ok(library_basename_linux(package)),
Some("x86_64-apple-darwin") => Ok(library_basename_macos(package)),
Some("x86_64-pc-windows-gnu") => Ok(library_basename_windows(package)),
Some(target) => bail!("Unhandled cross-compilation target: {}", target),
None => {
#[cfg(target_os = "linux")]
fn library_name(target: &str) -> String {
format!("lib{target}.so")
}
return Ok(library_basename_linux(package));
#[cfg(target_os = "macos")]
fn library_name(target: &str) -> String {
format!("lib{target}.dylib")
}
return Ok(library_basename_macos(package));
#[cfg(target_os = "windows")]
fn library_name(target: &str) -> String {
format!("{target}.dll")
return Ok(library_basename_windows(package));
}
}
}
// See https://developer.steinberg.help/display/VST/Plug-in+Format+Structure
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
fn vst3_bundle_library_name(target: &str) -> String {
format!("{target}.vst3/Contents/x86_64-linux/{target}.so")
fn vst3_bundle_library_name(package: &str, cross_compile_target: Option<&str>) -> Result<String> {
fn vst3_bundle_library_name_linux_x86_64(package: &str) -> String {
format!("{package}.vst3/Contents/x86_64-linux/{package}.so")
}
#[cfg(all(target_os = "linux", target_arch = "x86"))]
fn vst3_bundle_library_name(target: &str) -> String {
format!("{target}.vst3/Contents/i386-linux/{target}.so")
#[allow(dead_code)]
fn vst3_bundle_library_name_linux_x86(package: &str) -> String {
format!("{package}.vst3/Contents/i386-linux/{package}.so")
}
// TODO: This should be a Mach-O bundle, not sure how that works
fn vst3_bundle_library_name_macos(package: &str) -> String {
format!("{package}.vst3/Contents/MacOS/{package}")
}
fn vst3_bundle_library_name_windows_x86_64(package: &str) -> String {
format!("{package}.vst3/Contents/x86_64-win/{package}.vst3")
}
#[allow(dead_code)]
fn vst3_bundle_library_name_windows_x86(package: &str) -> String {
format!("{package}.vst3/Contents/x86-win/{package}.vst3")
}
match cross_compile_target {
Some("x86_64-unknown-linux-gnu") => Ok(vst3_bundle_library_name_linux_x86_64(package)),
Some("x86_64-apple-darwin") => Ok(vst3_bundle_library_name_macos(package)),
Some("x86_64-pc-windows-gnu") => Ok(vst3_bundle_library_name_windows_x86_64(package)),
Some(target) => bail!("Unhandled cross-compilation target: {}", target),
None => {
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
return Ok(vst3_bundle_library_name_linux_x86_64(package));
#[cfg(all(target_os = "linux", target_arch = "x86"))]
return Ok(vst3_bundle_library_name_linux_x86(package));
#[cfg(target_os = "macos")]
fn vst3_bundle_library_name(target: &str) -> String {
format!("{target}.vst3/Contents/MacOS/{target}")
}
return Ok(vst3_bundle_library_name_macos(package));
#[cfg(all(target_os = "windows", target_arch = "x86_64"))]
fn vst3_bundle_library_name(target: &str) -> String {
format!("{target}.vst3/Contents/x86_64-win/{target}.vst3")
}
return Ok(vst3_bundle_library_name_windows_x86_64(package));
#[cfg(all(target_os = "windows", target_arch = "x86"))]
fn vst3_bundle_library_name(target: &str) -> String {
format!("{target}.vst3/Contents/x86-win/{target}.vst3")
return Ok(vst3_bundle_library_name_windows_x86(package));
}
}
}