Fix features and FFI link

Author: termoshtt

lax/src/lib.rs

@@ -1,5 +1,8 @@
 //! Linear Algebra eXtension (LAX)
 
+extern crate blas_src;
+extern crate lapack_src;
+
 pub mod cholesky;
 pub mod eig;
 pub mod eigh;

ndarray-linalg/Cargo.toml

@@ -12,6 +12,12 @@ license       = "MIT"
 readme        = "README.md"
 categories    = ["algorithms", "science"]
 
+[features]
+default   = []
+intel-mkl = ["lax/intel-mkl"]
+netlib    = ["lax/netlib"]
+openblas  = ["lax/openblas"]
+
 [dependencies]
 cauchy = "0.2.2"
 num-complex = "0.2.4"
@@ -28,7 +34,6 @@ default-features = false
 version = "0.1.0"
 path = "../lax"
 default-features = false
-features = ["openblas"]
 
 [dev-dependencies]
 paste = "0.1.9"