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Rework the bundler to use a CompilationTarget enum

This removes a lot of redundancy.
This commit is contained in:
Robbert van der Helm 2022-02-28 15:06:36 +01:00
parent 56c1545196
commit f0504ed59a

View file

@ -23,6 +23,21 @@ struct PackageConfig {
name: Option<String>,
}
/// The target we're generating a plugin for. This can be either the native target or a cross
/// compilation target, so to reduce redundancy when determining the correct bundle paths we'll use
/// an enum for this.
///
/// TODO: Right now we don't consider ARM targets at all
#[allow(dead_code)]
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum CompilationTarget {
Linux64,
Linux32,
Mac64,
Windows64,
Windows32,
}
fn main() -> Result<()> {
let project_root = Path::new(env!("CARGO_MANIFEST_DIR"))
.parent()
@ -113,9 +128,10 @@ fn bundle(package: &str, args: &[String]) -> Result<()> {
bail!("Could not build {}", package);
}
let compilation_target = compilation_target(cross_compile_target.as_deref())?;
let lib_path = Path::new(target_base(cross_compile_target.as_deref())?)
.join(if is_release_build { "release" } else { "debug" })
.join(library_basename(package, cross_compile_target.as_deref())?);
.join(library_basename(package, compilation_target));
if !lib_path.exists() {
bail!("Could not find built library at '{}'", lib_path.display());
}
@ -127,10 +143,8 @@ fn bundle(package: &str, args: &[String]) -> Result<()> {
eprintln!();
if bundle_vst3 {
let vst3_lib_path = Path::new(BUNDLE_HOME).join(vst3_bundle_library_name(
&bundle_name,
cross_compile_target.as_deref(),
)?);
let vst3_lib_path =
Path::new(BUNDLE_HOME).join(vst3_bundle_library_name(&bundle_name, compilation_target));
let vst3_bundle_home = vst3_lib_path
.parent()
.unwrap()
@ -144,7 +158,7 @@ fn bundle(package: &str, args: &[String]) -> Result<()> {
reflink::reflink_or_copy(&lib_path, &vst3_lib_path)
.context("Could not copy library to bundle")?;
maybe_create_macos_vst3_bundle(package, cross_compile_target.as_deref())?;
maybe_create_macos_vst3_bundle(package, compilation_target)?;
eprintln!("Created a VST3 bundle at '{}'", vst3_bundle_home.display());
} else {
@ -184,6 +198,31 @@ fn load_bundler_config() -> Result<Option<BundlerConfig>> {
Ok(Some(result))
}
/// The target we're compiling for. This is used to determine the paths and options for creating
/// plugin bundles.
fn compilation_target(cross_compile_target: Option<&str>) -> Result<CompilationTarget> {
match cross_compile_target {
Some("x86_64-unknown-linux-gnu") => Ok(CompilationTarget::Linux64),
Some("x86_64-apple-darwin") => Ok(CompilationTarget::Mac64),
Some("x86_64-pc-windows-gnu") => Ok(CompilationTarget::Windows64),
Some(target) => bail!("Unhandled cross-compilation target: {}", target),
None => {
#[cfg(all(target_os = "linux", target_arch = "x86_64"))]
return Ok(CompilationTarget::Linux64);
#[cfg(all(target_os = "linux", target_arch = "x86"))]
return Ok(CompilationTarget::Linux32);
#[cfg(all(target_os = "macos", target_arch = "x86_64"))]
return Ok(CompilationTarget::Mac64);
#[cfg(all(target_os = "windows", target_arch = "x86_64"))]
return Ok(CompilationTarget::Windows64);
#[cfg(all(target_os = "windows", target_arch = "x86"))]
return Ok(CompilationTarget::Windows32);
}
}
}
/// The base directory for the compiled binaries. This does not use [CompilationTarget] as we need
/// to be able to differentiate between native and cross-compilation.
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"),
@ -194,84 +233,35 @@ fn target_base(cross_compile_target: Option<&str>) -> Result<&'static str> {
}
}
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")]
return Ok(library_basename_linux(package));
#[cfg(target_os = "macos")]
return Ok(library_basename_macos(package));
#[cfg(target_os = "windows")]
return Ok(library_basename_windows(package));
}
/// The file name of the compiled library for a `cdylib` crate.
fn library_basename(package: &str, target: CompilationTarget) -> String {
match target {
CompilationTarget::Linux64 | CompilationTarget::Linux32 => format!("lib{package}.so"),
CompilationTarget::Mac64 => format!("lib{package}.dylib"),
CompilationTarget::Windows64 | CompilationTarget::Windows32 => format!("{package}.dll"),
}
}
// See https://developer.steinberg.help/display/VST/Plug-in+Format+Structure
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")
}
#[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")]
return Ok(vst3_bundle_library_name_macos(package));
#[cfg(all(target_os = "windows", target_arch = "x86_64"))]
return Ok(vst3_bundle_library_name_windows_x86_64(package));
#[cfg(all(target_os = "windows", target_arch = "x86"))]
return Ok(vst3_bundle_library_name_windows_x86(package));
/// The full path to the library file inside of a VST3 bundle, including the leading `.vst3`
/// directory.
fn vst3_bundle_library_name(package: &str, target: CompilationTarget) -> String {
match target {
CompilationTarget::Linux64 => format!("{package}.vst3/Contents/x86_64-linux/{package}.so"),
CompilationTarget::Linux32 => format!("{package}.vst3/Contents/i386-linux/{package}.so"),
CompilationTarget::Mac64 => format!("{package}.vst3/Contents/MacOS/{package}"),
CompilationTarget::Windows64 => {
format!("{package}.vst3/Contents/x86_64-win/{package}.vst3")
}
CompilationTarget::Windows32 => format!("{package}.vst3/Contents/x86-win/{package}.vst3"),
}
}
/// If compiling for macOS, create all of the bundl-y stuff Steinberg and Apple require you to have.
fn maybe_create_macos_vst3_bundle(package: &str, cross_compile_target: Option<&str>) -> Result<()> {
match cross_compile_target {
Some("x86_64-apple-darwin") => (),
Some(_) => return Ok(()),
#[cfg(target_os = "macos")]
_ => (),
#[cfg(not(target_os = "macos"))]
_ => return Ok(()),
fn maybe_create_macos_vst3_bundle(package: &str, target: CompilationTarget) -> Result<()> {
if target != CompilationTarget::Mac64 {
return Ok(());
}
// TODO: May want to add bundler.toml fields for the identifier, version and signature at some