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More expressive error for llvm_config version (#2376)

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Dominik Maier 2024-07-10 16:46:52 +02:00 committed by GitHub
parent 264c2f021e
commit d9a042e094
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GPG Key ID: B5690EEEBB952194
1 changed files with 4 additions and 2 deletions
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6
libafl_qemu/libafl_qemu_build/src/lib.rs
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@ -107,11 +107,13 @@ fn find_llvm_config() -> Result<String, String> {
if let Some(ver) = find_llvm_version("llvm-config".to_owned()) {
if ver >= rustc_llvm_ver {
return Ok("llvm-config".to_owned());
} else {
return Err(format!("Version of llvm-config is {ver} but needs to be at least rustc's version({rustc_llvm_ver})"));
}
}
}
Err("could not find llvm-config".to_owned())
Err("Could not find llvm-config".to_owned())
}
fn exec_llvm_config(llvm_config: String, args: &[&str]) -> String {
@ -165,7 +167,7 @@ fn qemu_bindgen_clang_args(
is_usermode: bool,
) -> Vec<String> {
if env::var("LLVM_CONFIG_PATH").is_err() {
let found = find_llvm_config().expect("Cannot find a suitable llvm-config, it must be a version equal or greater than the rustc LLVM version");
let found = find_llvm_config().expect("Cannot find a suitable llvm-config, it must be a version equal or greater than the rustc LLVM version. Try specifying LLVM_CONFIG_PATH.");
env::set_var("LLVM_CONFIG_PATH", found);
}