- message(STATUS "No external FFT libraries needed for the OpenMM build, using fftpack!")
- set (GMX_FFT_LIBRARY "fftpack" CACHE STRING
- "No external FFT libraries needed for the OpenMM build, using fftpack!" FORCE)
+ string(TOUPPER ${GMX_FFT_LIBRARY} GMX_FFT_LIBRARY)
+ if(NOT ${GMX_FFT_LIBRARY} STREQUAL "FFTPACK")
+ message(STATUS "No external FFT libraries needed for the OpenMM build, switching to fftpack!")
+ set(GMX_FFT_LIBRARY "fftpack" CACHE STRING
+ "No external FFT libraries needed for the OpenMM build, switching to fftpack!" FORCE)
+ endif()