TEST: Remove ndarray build.rs and test-blas-openblas-sys feature flag

This flag was not properly used anymore. Replace it with a proper blas
test setup in xtest-numeric.

Cargo.toml

@@ -18,8 +18,6 @@ description = "An n-dimensional array for general elements and for numerics. Lig
 keywords = ["array", "data-structure", "multidimensional", "matrix", "blas"]
 categories = ["data-structures", "science"]
 
-build = "build.rs"
-
 exclude = ["docgen/images/*"]
 
 [lib]
@@ -63,8 +61,7 @@ blas = ["cblas-sys", "libc"]
 serde-1 = ["serde"]
 
 # These features are used for testing
-test-blas-openblas-sys = ["blas"]
-test = ["test-blas-openblas-sys"]
+test = []
 
 # This feature is used for docs
 docs = ["approx", "serde", "rayon"]

scripts/all-tests.sh

@@ -18,4 +18,5 @@ cargo test --manifest-path=xtest-serialization/Cargo.toml --verbose
 cargo test --manifest-path=xtest-blas/Cargo.toml --verbose
 cargo test --examples
 CARGO_TARGET_DIR=target/ cargo test --manifest-path=xtest-numeric/Cargo.toml --verbose
+CARGO_TARGET_DIR=target/ cargo test --manifest-path=xtest-numeric/Cargo.toml --verbose --features test_blas
 ([ "$CHANNEL" != "nightly" ] || cargo bench --no-run --verbose --features "$FEATURES")

xtest-numeric/Cargo.toml

@@ -10,6 +10,9 @@ ndarray = { path = "..", features = ["approx"] }
 ndarray-rand = { path = "../ndarray-rand/" }
 rand_distr = "0.4"
 
+blas-src = { optional = true, version = "0.7.0", default-features = false, features = ["openblas"] }
+openblas-src = { optional = true, version = "0.9", default-features = false, features = ["cblas", "system"] }
+
 [dependencies.rand]
 version = "0.8.0"
 features = ["small_rng"]
@@ -18,7 +21,7 @@ features = ["small_rng"]
 test = false
 
 [features]
-test_blas = ["ndarray/blas", "ndarray/test-blas-openblas-sys"]
+test_blas = ["ndarray/blas", "blas-src", "openblas-src"]
 
 [profile.dev]
 opt-level = 2

xtest-numeric/src/lib.rs

@@ -0,0 +1,3 @@
+#[cfg(feature = "test_blas")]
+extern crate blas_src;
+

xtest-numeric/tests/accuracy.rs

@@ -4,6 +4,8 @@ extern crate ndarray;
 extern crate ndarray_rand;
 extern crate rand;
 
+extern crate numeric_tests;
+
 use ndarray_rand::{RandomExt, F32};
 use rand::{Rng, SeedableRng};
 use rand::rngs::SmallRng;