Cranelift: Add a cargo feature to enable support for all native ISAs (#…

…9237)

That is, all architectures other than Pulley.

Fixes #9229

cranelift/Cargo.toml

@@ -54,3 +54,4 @@ default = ["disas", "cranelift-codegen/all-arch", "cranelift-codegen/trace-log",
 disas = ["capstone"]
 souper-harvest = ["cranelift-codegen/souper-harvest", "rayon"]
 all-arch = ["cranelift-codegen/all-arch"]
+all-native-arch = ["cranelift-codegen/all-native-arch"]

cranelift/codegen/Cargo.toml

@@ -88,11 +88,17 @@ host-arch = []
 
 # Option to enable all architectures.
 all-arch = [
+    "all-native-arch",
+    "pulley",
+]
+
+# Option to enable all architectures that correspond to an actual native target
+# (that is, exclude Pulley).
+all-native-arch = [
     "x86",
     "arm64",
     "s390x",
     "riscv64",
-    "pulley",
 ]
 
 # For dependent crates that want to serialize some parts of cranelift

cranelift/codegen/build.rs

@@ -31,6 +31,7 @@ fn main() {
     let target_triple = env::var("TARGET").expect("The TARGET environment variable must be set");
 
     let all_arch = env::var("CARGO_FEATURE_ALL_ARCH").is_ok();
+    let all_native_arch = env::var("CARGO_FEATURE_ALL_NATIVE_ARCH").is_ok();
 
     let mut isas = meta::isa::Isa::all()
         .iter()
@@ -47,7 +48,7 @@ fn main() {
         .collect::<Vec<_>>();
 
     // Don't require host isa if under 'all-arch' feature.
-    let host_isa = env::var("CARGO_FEATURE_HOST_ARCH").is_ok() && !all_arch;
+    let host_isa = env::var("CARGO_FEATURE_HOST_ARCH").is_ok() && !all_native_arch;
 
     if isas.is_empty() || host_isa {
         // Try to match native target.