move cc-test & gen-windows-sys-binding into workspace

put these helper crates inside a new dev-tools directory
to make it obvious what their purpose is

Author: Be-ing

.github/workflows/main.yml

@@ -86,11 +86,9 @@ jobs:
         sudo apt-get update
         sudo apt-get install g++-multilib
       if: matrix.build == 'linux32'
-    - run: cargo test ${{ matrix.no_run }}
-    - run: cargo test ${{ matrix.no_run }} --features parallel
-    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }}
-    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }} --features parallel
-    - run: cargo test ${{ matrix.no_run }} --manifest-path cc-test/Cargo.toml --target ${{ matrix.target }} --release
+    - run: cargo test ${{ matrix.no_run }} --workspace --target ${{ matrix.target }}
+    - run: cargo test ${{ matrix.no_run }} --workspace --target ${{ matrix.target }} --release
+    - run: cargo test ${{ matrix.no_run }} --workspace --target ${{ matrix.target }} --features parallel
 
   check-tvos:
     name: Test aarch64-apple-tvos
@@ -126,7 +124,7 @@ jobs:
     - name: Test 'cudart' feature
       shell: bash
       run: |
-        PATH="/usr/local/cuda/bin:$PATH" cargo test --manifest-path cc-test/Cargo.toml --features test_cuda
+        PATH="/usr/local/cuda/bin:$PATH" cargo test --manifest-path dev-tools/cc-test/Cargo.toml --features test_cuda
 
   msrv:
     name: MSRV
@@ -147,8 +145,8 @@ jobs:
       run: cargo +nightly update -Zminimal-versions
     - name: Cache downloaded crates since 1.53 is really slow in fetching
       uses: Swatinem/rust-cache@v2
-    - run: cargo check --lib
-    - run: cargo check --lib --all-features
+    - run: cargo check --lib -p cc
+    - run: cargo check --lib -p cc --all-features
 
   clippy:
     name: Clippy

Cargo.toml

@@ -28,3 +28,9 @@ parallel = []
 
 [dev-dependencies]
 tempfile = "3"
+
+[workspace]
+members = [
+    "dev-tools/cc-test",
+    "dev-tools/gen-windows-sys-binding",
+]

cc-test/Cargo.toml renamed to dev-tools/cc-test/Cargo.toml

@@ -11,7 +11,7 @@ doctest = false
 test = false
 
 [build-dependencies]
-cc = { path = ".." }
+cc = { path = "../.." }
 which = "^4.0"
 
 [features]