remove '-fvisibility=hidden' in cmake LAPACK_CFLAGS

Author: mattip

cmake/system.cmake

@@ -804,6 +804,7 @@ if (${CMAKE_C_COMPILER_ID} MATCHES "IntelLLVM" AND ${CMAKE_SYSTEM_NAME} STREQUAL
 	set(LAPACK_CFLAGS "${LAPACK_CFLAGS} -DNOCHANGE")
 endif ()
 
+string(REPLACE "-fvisibility=hidden" "" LAPACK_CFLAGS ${LAPACK_CFLAGS})
 
 if (NOT DEFINED SUFFIX)
   set(SUFFIX o)