/* none of the fftw3 calls, except execute(), are thread-safe, so
we need to serialize them with this mutex. */
static tMPI_Thread_mutex_t big_fftw_mutex=TMPI_THREAD_MUTEX_INITIALIZER;
-static bool gmx_fft_threads_initialized=FALSE;
+static gmx_bool gmx_fft_threads_initialized=FALSE;
#define FFTW_LOCK tMPI_Thread_mutex_lock(&big_fftw_mutex);
#define FFTW_UNLOCK tMPI_Thread_mutex_unlock(&big_fftw_mutex);
#else /* GMX_THREADS */