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Support long double intrinsics in any aarch64 linux

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Expands the support added in #377 from just musl to any linux.

Also checks for and avoids adding duplicate sources.

Fixes #428
This commit is contained in:
Rich Kadel 2021-07-13 21:11:12 -07:00
parent 8541da64fa
commit 6ff8257858
1 changed files with 13 additions and 15 deletions
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28
library/compiler-builtins/build.rs
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@ -84,7 +84,7 @@ fn main() {
mod c {
extern crate cc;
use std::collections::BTreeMap;
use std::collections::{BTreeMap, HashSet};
use std::env;
use std::path::{Path, PathBuf};
@ -419,23 +419,18 @@ mod c {
("__floatunsitf", "floatunsitf.c"),
("__trunctfdf2", "trunctfdf2.c"),
("__trunctfsf2", "trunctfsf2.c"),
("__addtf3", "addtf3.c"),
("__multf3", "multf3.c"),
("__subtf3", "subtf3.c"),
("__divtf3", "divtf3.c"),
("__powitf2", "powitf2.c"),
("__fe_getround", "fp_mode.c"),
("__fe_raise_inexact", "fp_mode.c"),
]);
if target_os != "windows" {
sources.extend(&[("__multc3", "multc3.c")]);
}
if target_env == "musl" {
sources.extend(&[
("__addtf3", "addtf3.c"),
("__multf3", "multf3.c"),
("__subtf3", "subtf3.c"),
("__divtf3", "divtf3.c"),
("__powitf2", "powitf2.c"),
("__fe_getround", "fp_mode.c"),
("__fe_raise_inexact", "fp_mode.c"),
]);
}
}
if target_arch == "mips" {
@ -505,10 +500,13 @@ mod c {
sources.extend(&[("__aarch64_have_lse_atomics", "cpu_model.c")]);
}
let mut added_sources = HashSet::new();
for (sym, src) in sources.map.iter() {
let src = src_dir.join(src);
cfg.file(&src);
println!("cargo:rerun-if-changed={}", src.display());
if added_sources.insert(src.clone()) {
cfg.file(&src);
println!("cargo:rerun-if-changed={}", src.display());
}
println!("cargo:rustc-cfg={}=\"optimized-c\"", sym);
}