diff options
| -rw-r--r-- | src/bootstrap/src/core/build_steps/compile.rs | 5 | ||||
| -rw-r--r-- | src/bootstrap/src/core/build_steps/llvm.rs | 17 | ||||
| -rw-r--r-- | src/bootstrap/src/core/build_steps/test.rs | 4 | ||||
| -rw-r--r-- | src/bootstrap/src/core/builder/mod.rs | 2 |
4 files changed, 18 insertions, 10 deletions
diff --git a/src/bootstrap/src/core/build_steps/compile.rs b/src/bootstrap/src/core/build_steps/compile.rs index a2375842bdd..bee0da0eb90 100644 --- a/src/bootstrap/src/core/build_steps/compile.rs +++ b/src/bootstrap/src/core/build_steps/compile.rs @@ -1092,9 +1092,10 @@ pub fn rustc_cargo( // We want to link against registerEnzyme and in the future we want to use additional // functionality from Enzyme core. For that we need to link against Enzyme. - // FIXME(ZuseZ4): Get the LLVM version number automatically instead of hardcoding it. if builder.config.llvm_enzyme { - cargo.rustflag("-l").rustflag("Enzyme-19"); + let llvm_config = builder.llvm_config(builder.config.build).unwrap(); + let llvm_version_major = llvm::get_llvm_version_major(builder, &llvm_config); + cargo.rustflag("-l").rustflag(&format!("Enzyme-{llvm_version_major}")); } // Building with protected visibility reduces the number of dynamic relocations needed, giving diff --git a/src/bootstrap/src/core/build_steps/llvm.rs b/src/bootstrap/src/core/build_steps/llvm.rs index ee60dbef7b9..18da0e8252b 100644 --- a/src/bootstrap/src/core/build_steps/llvm.rs +++ b/src/bootstrap/src/core/build_steps/llvm.rs @@ -571,10 +571,7 @@ impl Step for Llvm { // Helper to find the name of LLVM's shared library on darwin and linux. let find_llvm_lib_name = |extension| { - let version = - command(&res.llvm_config).arg("--version").run_capture_stdout(builder).stdout(); - let major = version.split('.').next().unwrap(); - + let major = get_llvm_version_major(builder, &res.llvm_config); match &llvm_version_suffix { Some(version_suffix) => format!("libLLVM-{major}{version_suffix}.{extension}"), None => format!("libLLVM-{major}.{extension}"), @@ -624,12 +621,22 @@ impl Step for Llvm { } } +pub fn get_llvm_version(builder: &Builder<'_>, llvm_config: &Path) -> String { + command(llvm_config).arg("--version").run_capture_stdout(builder).stdout().trim().to_owned() +} + +pub fn get_llvm_version_major(builder: &Builder<'_>, llvm_config: &Path) -> u8 { + let version = get_llvm_version(builder, llvm_config); + let major_str = version.split_once('.').expect("Failed to parse LLVM version").0; + major_str.parse().unwrap() +} + fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) { if builder.config.dry_run() { return; } - let version = command(llvm_config).arg("--version").run_capture_stdout(builder).stdout(); + let version = get_llvm_version(builder, llvm_config); let mut parts = version.split('.').take(2).filter_map(|s| s.parse::<u32>().ok()); if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) { if major >= 18 { diff --git a/src/bootstrap/src/core/build_steps/test.rs b/src/bootstrap/src/core/build_steps/test.rs index 2b4e9d48a24..4f5e75e7667 100644 --- a/src/bootstrap/src/core/build_steps/test.rs +++ b/src/bootstrap/src/core/build_steps/test.rs @@ -12,6 +12,7 @@ use clap_complete::shells; use crate::core::build_steps::compile::run_cargo; use crate::core::build_steps::doc::DocumentationFormat; +use crate::core::build_steps::llvm::get_llvm_version; use crate::core::build_steps::synthetic_targets::MirOptPanicAbortSyntheticTarget; use crate::core::build_steps::tool::{self, SourceType, Tool}; use crate::core::build_steps::toolstate::ToolState; @@ -1945,8 +1946,7 @@ NOTE: if you're sure you want to do this, please open an issue as to why. In the let llvm::LlvmResult { llvm_config, .. } = builder.ensure(llvm::Llvm { target: builder.config.build }); if !builder.config.dry_run() { - let llvm_version = - command(&llvm_config).arg("--version").run_capture_stdout(builder).stdout(); + let llvm_version = get_llvm_version(builder, &llvm_config); let llvm_components = command(&llvm_config).arg("--components").run_capture_stdout(builder).stdout(); // Remove trailing newline from llvm-config output. diff --git a/src/bootstrap/src/core/builder/mod.rs b/src/bootstrap/src/core/builder/mod.rs index 8e767a8dcc6..ecec589fc32 100644 --- a/src/bootstrap/src/core/builder/mod.rs +++ b/src/bootstrap/src/core/builder/mod.rs @@ -1431,7 +1431,7 @@ impl<'a> Builder<'a> { /// /// Note that this returns `None` if LLVM is disabled, or if we're in a /// check build or dry-run, where there's no need to build all of LLVM. - fn llvm_config(&self, target: TargetSelection) -> Option<PathBuf> { + pub fn llvm_config(&self, target: TargetSelection) -> Option<PathBuf> { if self.config.llvm_enabled(target) && self.kind != Kind::Check && !self.config.dry_run() { let llvm::LlvmResult { llvm_config, .. } = self.ensure(llvm::Llvm { target }); if llvm_config.is_file() { |