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use super::super::*;
// Test target self-consistency and JSON encoding/decoding roundtrip.
pub(super) fn test_target(target: Target) {
target.check_consistency();
assert_eq!(Target::from_json(target.to_json()), Ok(target));
}
impl Target {
fn check_consistency(&self) {
assert!(self.is_like_windows || !self.is_like_msvc);
// Check that LLD with the given flavor is treated identically to the linker it emulates.
// If your target really needs to deviate from the rules below, except it and document the
// reasons.
assert_eq!(
self.linker_flavor == LinkerFlavor::Msvc
|| self.linker_flavor == LinkerFlavor::Lld(LldFlavor::Link),
self.lld_flavor == LldFlavor::Link,
);
assert_eq!(self.is_like_msvc, self.lld_flavor == LldFlavor::Link);
for args in &[
&self.pre_link_args,
&self.late_link_args,
&self.late_link_args_dynamic,
&self.late_link_args_static,
&self.post_link_args,
] {
assert_eq!(
args.get(&LinkerFlavor::Msvc),
args.get(&LinkerFlavor::Lld(LldFlavor::Link)),
);
if args.contains_key(&LinkerFlavor::Msvc) {
assert_eq!(self.lld_flavor, LldFlavor::Link);
}
}
assert!(
(self.pre_link_objects_fallback.is_empty()
&& self.post_link_objects_fallback.is_empty())
|| self.crt_objects_fallback.is_some()
);
// Keep the default "unknown" vendor instead.
assert_ne!(self.vendor, "");
if !self.can_use_os_unknown() {
// Keep the default "none" for bare metal targets instead.
assert_ne!(self.os, "unknown");
}
}
// Add your target to the whitelist if it has `std` library
// and you certainly want "unknown" for the OS name.
fn can_use_os_unknown(&self) -> bool {
self.llvm_target == "wasm32-unknown-unknown"
|| (self.env == "sgx" && self.vendor == "fortanix")
}
}
|
