Make it possible to disallow highs when building pyhq

An additional benefit is that the `dashboard` feature of `hyperqueue` will now be disabled in `pyhq`, where it is unnecessary.

Author: Kobzol

.github/workflows/build.yml

@@ -111,7 +111,7 @@ jobs:
       - name: Compile
         env:
           HQ_BUILD_VERSION: ${{ needs.set-env.outputs.version }}
-        run: cross build --target ${{ matrix.arch }} --no-default-features --profile dist
+        run: cross build --target ${{ matrix.arch }} --no-default-features --features dashboard,highs --profile dist
 
       - name: Prepare archive
         id: archive

.github/workflows/test.yml

@@ -108,9 +108,9 @@ jobs:
           key: ${{ matrix.os }}
 
       - name: Build HyperQueue
-        run: cargo build --no-default-features
+        run: cargo build --no-default-features --features dashboard,highs
       - name: Run HyperQueue
-        run: cargo run --no-default-features -- --version
+        run: ./target/debug/hq --version
 
       - name: Setup Python
         uses: actions/setup-python@v2

crates/pyhq/Cargo.toml

@@ -17,7 +17,7 @@ name = "hyperqueue"
 crate-type = ["cdylib"]
 
 [dependencies]
-hyperqueue = { path = "../hyperqueue" }
+hyperqueue = { path = "../hyperqueue", default-features = false, features = ["jemalloc"] }
 tako = { path = "../tako" }
 
 serde = { workspace = true }
@@ -31,6 +31,11 @@ pyo3-async-runtimes = { version = "0.25", features = ["tokio-runtime"] }
 pythonize = "0.25"
 termcolor = "1.1"
 
+[features]
+default = ["highs"]
+highs = ["hyperqueue/highs"]
+microlp = ["hyperqueue/microlp"]
+
 [package.metadata.maturin]
 python-source = "python"
 

crates/tako/Cargo.toml

@@ -6,7 +6,7 @@ edition.workspace = true
 rust-version.workspace = true
 
 [features]
-default = ["highs"]
+default = []
 highs = ["dep:highs"]
 microlp = ["dep:microlp"]