move target specs to new rustc_codegen_spirv_target_specs crate

Author: Firestar99

Cargo.lock

@@ -19,6 +19,7 @@ members = [
 
     "crates/rustc_codegen_spirv",
     "crates/rustc_codegen_spirv-types",
+    "crates/rustc_codegen_spirv_target_specs",
     "crates/spirv-builder",
     "crates/spirv-std",
     "crates/spirv-std/shared",
@@ -46,6 +47,7 @@ spirv-std-macros = { path = "./crates/spirv-std/macros", version = "=0.9.0" }
 spirv-tools = { version = "0.11", default-features = false }
 rustc_codegen_spirv = { path = "./crates/rustc_codegen_spirv", version = "=0.9.0", default-features = false }
 rustc_codegen_spirv-types = { path = "./crates/rustc_codegen_spirv-types", version = "=0.9.0" }
+rustc_codegen_spirv_target_specs = { path = "./crates/rustc_codegen_spirv_target_specs", version = "=0.9.0" }
 tracing = "0.1"
 tracing-subscriber = { version = "0.3.3", features = ["env-filter", "json"] }
 

Cargo.toml

@@ -0,0 +1,12 @@
+[package]
+name = "rustc_codegen_spirv_target_specs"
+description = "target spec json files of rust-gpu for the rustc compiler"
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+
+[features]
+include_str = []
+dir_path = []

crates/rustc_codegen_spirv_target_specs/Cargo.toml

@@ -0,0 +1,7 @@
+# `rustc_codegen_spirv_target_spec`
+
+The target spec json files of rust-gpu to hand to the rustc compiler, declaring various metadata about our codegen backend.
+
+## Features
+* `include_str`: include target specs as string constants, for bundling with `cargo-gpu`
+* `dir_path`: export a path to the target specs dir, for `spirv-builder` and `compiletest` in this repo

crates/rustc_codegen_spirv_target_specs/README.md

@@ -0,0 +1,10 @@
+#![doc = include_str!("../README.md")]
+
+/// directory with all the `target-specs` jsons for our codegen backend
+#[cfg(feature = "dir_path")]
+pub const TARGET_SPEC_DIR_PATH: &str = concat!(env!("CARGO_MANIFEST_DIR"), "/target-specs");
+
+#[cfg(feature = "include_str")]
+mod include_str;
+#[cfg(feature = "include_str")]
+pub use include_str::TARGET_SPECS;