diff --git a/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.c b/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.c
new file mode 100644
index 00000000000..37785bf47fb
--- /dev/null
+++ b/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.c
@@ -0,0 +1,14 @@
+#include <cblas.h>
+#include <stdio.h>
+int main(void) {
+int i=0;
+double A[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
+double B[6] = {1.0, 2.0, 1.0, -3.0, 4.0, -1.0};
+double C[9] = {.5, .5, .5, .5, .5, .5, .5, .5, .5};
+cblas_dgemm(CblasColMajor, CblasNoTrans, CblasTrans,
+            3, 3, 2, 1, A, 3, B, 3, 2, C, 3);
+for (i = 0; i < 8; i++)
+  printf("%lf ", C[i]);
+printf("%lf", C[8]);
+return 0;
+}
diff --git a/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.output b/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.output
new file mode 100644
index 00000000000..490905aca0d
--- /dev/null
+++ b/var/spack/repos/builtin/packages/openblas/test_cblas_dgemm.output
@@ -0,0 +1 @@
+11.000000 -9.000000 5.000000 -9.000000 21.000000 -1.000000 5.000000 -1.000000 3.000000
\ No newline at end of file