Merge pull request #5178 from martin-frbg/lapack_cplx_dummy

Add dummy implementations of make_complex_(float/double) to simplify Windows DLL linking

lapack-netlib/LAPACKE/utils/lapacke_make_complex_double.c

@@ -48,4 +48,6 @@ lapack_complex_double lapack_make_complex_double( double re, double im ) {
 #endif
    return z;
 }
+#else
+lapack_complex_double lapack_make_complex_double( double re, double im ) {}
 #endif

lapack-netlib/LAPACKE/utils/lapacke_make_complex_float.c

@@ -48,4 +48,6 @@ lapack_complex_float lapack_make_complex_float( float re, float im ) {
 #endif
    return z;
 }
+#else
+lapack_complex_float lapack_make_complex_float( float re, float im ) {}
 #endif