Expressly add visibility=default to override the "hidden" in CFLAGS

Author: martin-frbg

cmake/lapacke.cmake

@@ -2542,4 +2542,4 @@ endforeach ()
 
 set(lapacke_include_dir "${NETLIB_LAPACK_DIR}/LAPACKE/include")
 include_directories(${lapacke_include_dir})
-set_source_files_properties(${LAPACKE_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_CFLAGS}")
+set_source_files_properties(${LAPACKE_SOURCES} PROPERTIES COMPILE_FLAGS "${LAPACK_CFLAGS} -fvisibility=default")