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Don't compile memory intrinsics on wasi

master
Alex Crichton 2019-03-13 08:19:30 -07:00
parent fafaacecd1
commit c8b8087c95
1 changed files with 3 additions and 2 deletions
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5
build.rs
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@ -22,7 +22,8 @@ fn main() {
// Forcibly enable memory intrinsics on wasm32 & SGX as we don't have a libc to
// provide them.
if target.contains("wasm32") || (target.contains("sgx") && target.contains("fortanix")) {
if (target.contains("wasm32") && !target.contains("wasi")) ||
(target.contains("sgx") && target.contains("fortanix")) {
println!("cargo:rustc-cfg=feature=\"mem\"");
}
@ -314,7 +315,7 @@ mod c {
if target_os == "freebsd" {
sources.extend(&["clear_cache.c"]);
}
// First of all aeabi_cdcmp and aeabi_cfcmp are never called by LLVM.
// Second are little-endian only, so build fail on big-endian targets.
// Temporally workaround: exclude these files for big-endian targets.