mirror of
https://github.com/pezkuwichain/revive.git
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Cyrill Leutwiler
7f81f37e0c
Pre-eliminary support for LLVM releases and resolc binary releases by streamlining the build process for all supported hosts platforms. - Introduce the revive-llvm-builder crate with the revive-llvm builder utilty. - Do not rely on the LLVM dependency in $PATH to decouple the system LLVM installation from the LLVM host dependency. - Fix the emscripten build by decoupling the host and native LLVM dependencies. Thus allowing a single LLVM emscripten release that can be used on any host platform. - An example Dockerfile building an alpine container with a fully statically linked resolc ELF binary. - Remove the Debian builder utilities and workflow.
49 lines
1.7 KiB
Rust
49 lines
1.7 KiB
Rust
//! The compiler build utilities library.
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/// The revive LLVM host dependency directory prefix environment variable.
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pub const REVIVE_LLVM_HOST_PREFIX: &str = "LLVM_SYS_181_PREFIX";
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/// The revive LLVM target dependency directory prefix environment variable.
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pub const REVIVE_LLVM_TARGET_PREFIX: &str = "REVIVE_LLVM_TARGET_PREFIX";
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/// Constructs a path to the LLVM tool `name`.
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///
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/// Respects the [`REVIVE_LLVM_HOST_PREFIX`] environment variable.
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pub fn llvm_host_tool(name: &str) -> std::path::PathBuf {
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std::env::var_os(REVIVE_LLVM_HOST_PREFIX)
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.map(Into::<std::path::PathBuf>::into)
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.unwrap_or_else(|| {
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panic!(
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"install LLVM using the revive-llvm builder and export {REVIVE_LLVM_HOST_PREFIX}",
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)
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})
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.join("bin")
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.join(name)
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}
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/// Returns the LLVM lib dir.
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///
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/// Respects the [`REVIVE_LLVM_HOST_PREFIX`] environment variable.
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pub fn llvm_lib_dir() -> std::path::PathBuf {
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std::path::PathBuf::from(llvm_config("--libdir").trim())
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}
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/// Returns the LLVM CXX compiler flags.
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///
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/// Respects the [`REVIVE_LLVM_HOST_PREFIX`] environment variable.
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pub fn llvm_cxx_flags() -> String {
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llvm_config("--cxxflags")
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}
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/// Execute the `llvm-config` utility respecting the [`REVIVE_LLVM_HOST_PREFIX`] environment variable.
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fn llvm_config(arg: &str) -> String {
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let llvm_config = llvm_host_tool("llvm-config");
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let output = std::process::Command::new(&llvm_config)
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.arg(arg)
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.output()
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.unwrap_or_else(|error| panic!("`{} {arg}` failed: {error}", llvm_config.display()));
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String::from_utf8(output.stdout)
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.unwrap_or_else(|_| panic!("output of `{} {arg}` should be utf8", llvm_config.display()))
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}
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