Run export validation on macOS

.github/workflows/ci.yml

@@ -92,28 +92,6 @@ jobs:
         env:
           RUSTDOCFLAGS: -D warnings
 
-  export:
-    name: Validate 3MF Export
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out repository
-        uses: actions/checkout@v3
-      - name: Set up toolchain
-        uses: oxidecomputer/actions-rs_toolchain@oxide/master
-        # see https://github.com/actions-rs/toolchain/pull/209
-        # uses: actions-rs/toolchain@v1
-        with:
-          override: true
-          profile: minimal
-          target: ${{ matrix.target }}
-      - name: Set up Rust cache
-        uses: Swatinem/rust-cache@1232abb8968faf344409165de17cbf9e7f340fd8
-      - name: Run `export-validator`
-        uses: actions-rs/cargo@4ff6ec2846f6e7217c1a9b0b503506665f134c4b
-        with:
-          command: run
-          args: --package export-validator
-
   test:
     name: Test
     strategy:
@@ -141,11 +119,18 @@ jobs:
         with:
           command: build
           args: --all-features
-      # The repo shouldn't have any unstaged changes after a build
-      - name: Check up-to-date repo
+      - name: Reject uncommitted changes
         run: git diff --exit-code
       - name: Run `cargo test`
         uses: actions-rs/cargo@4ff6ec2846f6e7217c1a9b0b503506665f134c4b
         with:
           command: test
           args: --all-features
+      - name: Run `export-validator`
+        uses: actions-rs/cargo@4ff6ec2846f6e7217c1a9b0b503506665f134c4b
+        with:
+          command: run
+          args: --package export-validator
+        # Export Validator doesn't support Windows yet. Issue:
+        # https://github.com/hannobraun/Fornjot/issues/920
+        if: ${{ matrix.os != 'windows-latest' }}

tools/export-validator/build.rs

@@ -1,23 +1,20 @@
-use std::env;
+use std::{env, path::PathBuf};
 
 fn main() -> anyhow::Result<()> {
     let manifest_dir = env::var("CARGO_MANIFEST_DIR")?;
 
-    let libs_dir_relative = "lib3mf/libs";
-    let libs_dir = format!("{manifest_dir}/{libs_dir_relative}");
+    let mut libs_dir = PathBuf::from(manifest_dir);
+    libs_dir.push("lib3mf");
+    libs_dir.push("libs");
 
     // This is necessary to link against the dynamic library.
-    println!("cargo:rustc-link-search=native={libs_dir}");
+    println!("cargo:rustc-link-search=native={}", libs_dir.display());
     println!("cargo:rustc-link-lib=dylib=3mf");
 
     // And this is necessary, so the linked library is found at runtime.
-    //
-    // The relative path used here is designed to work when the validator is
-    // executed within the repository using `cargo run`, which is the intended
-    // use case.
-    let executable_to_libs =
-        format!("../../tools/export-validator/{libs_dir_relative}");
-    println!("cargo:rustc-link-arg=-Wl,-rpath,$ORIGIN/{executable_to_libs}");
+    if cfg!(target_family = "unix") {
+        println!("cargo:rustc-link-arg=-Wl,-rpath,{}", libs_dir.display());
+    }
 
     Ok(())
 }

tools/export-validator/lib3mf/libs/lib3mf.dylib

@@ -0,0 +1 @@
+lib3mf.2.dylib