Using RUSTFLAGS="-lcblas" in github ci

.github/workflows/rust.yml

@@ -21,6 +21,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
+  RUSTFLAGS: "-lcblas"
 
 jobs:
   tests:
@@ -49,10 +50,10 @@ jobs:
           override: true
       - name: Install blis
         run: sudo apt install libblis-dev
-      - name: Run cargo-tarpaulin --features blis-sys
+      - name: Run cargo-tarpaulin
         uses: actions-rs/tarpaulin@v0.1
         with:
-          args: '--ignore-tests --out Lcov --output-dir target/tarpaulin'
+          args: '--ignore-tests --out Lcov --output-dir target/tarpaulin --features blis-sys'
       - name: Upload to Coveralls
         uses: coverallsapp/github-action@master
         with:

README.md

@@ -216,6 +216,11 @@ Again, this is only applicable when no backend is not specified for a vector (fx
 SLAS_BLAS_IN_DOT_IF_LEN_GE = 750
 ```
 
+### Possible issues during linking
+Settings `-lcblas` as flag to the linker, some possible errors during build can be fixed.
+This can be done by adding `-lcblas` to rustflags either in `.cargo/config`, `Cargo.toml` or by setting the enviroment variable `RUSTFLAGS`.
+On most unix shells this is done by prefixing the command used to invoke rustc with `RUSTFLAGS="-lcblas"`.
+
 ### Misc
 - Slas is still in very early days, and is subject to a lot of breaking changes.
 - [Benchmarks, tests and related](https://github.com/unic0rn9k/slas/tree/master/tests)

src/lib.rs

@@ -216,6 +216,11 @@
 //! SLAS_BLAS_IN_DOT_IF_LEN_GE = 750
 //! ```
 //!
+//! ## Possible issues during linking
+//! Settings `-lcblas` as flag to the linker, some possible errors during build can be fixed.
+//! This can be done by adding `-lcblas` to rustflags either in `.cargo/config`, `Cargo.toml` or by setting the enviroment variable `RUSTFLAGS`.
+//! On most unix shells this is done by prefixing the command used to invoke rustc with `RUSTFLAGS="-lcblas"`.
+//!
 //! ## Misc
 //! - Slas is still in very early days, and is subject to a lot of breaking changes.
 //! - [Benchmarks, tests and related](https://github.com/unic0rn9k/slas/tree/master/tests)