add support for vista

Makefile

@@ -85,7 +85,13 @@ ifeq ($(findstring -DPARIS,$(DFLAGS)),-DPARIS)
     CXXFLAGS += -I$(ROCM_PATH)/include/hipfft -I$(ROCM_PATH)/hipfft/include
     GPUFLAGS += -I$(ROCM_PATH)/include/hipfft -I$(ROCM_PATH)/hipfft/include
     LIBS += -L$(ROCM_PATH)/hipfft/lib -lhipfft
-  else
+  else ifdef NVIDIAMATH_ROOT
+    # on a subset of CUDA platform, the NVIDIA MATH libraries are handled
+    # separately from the rest of the core CUDA runtime libraries
+    CXXFLAGS += -I$(NVIDIAMATH_ROOT)/include
+    GPUFLAGS += -I$(NVIDIAMATH_ROOT)/include
+    LIBS += -L$(NVIDIAMATH_ROOT)/lib64 -lcufft
+  #else
     LIBS += -lcufft
   endif
   ifeq ($(findstring -DGRAVITY_5_POINTS_GRADIENT,$(DFLAGS)),-DGRAVITY_5_POINTS_GRADIENT)

builds/machine.sh

@@ -26,6 +26,9 @@ case $FQDN in
   *crusher* | *frontier* )
     echo "frontier"
     exit 0 ;;
+  *vista.tacc* )
+    echo "vista"
+    exit 0 ;;
   *)
     host=$(hostname)
     echo "Using default hostname, expecting make.host.$host" >&2

builds/make.host.vista

@@ -0,0 +1,24 @@
+
+#-- Compiler and flags for different build type
+CXX               = mpicxx
+CXXFLAGS_DEBUG    = -g -O0 -std=c++17
+CXXFLAGS_OPTIMIZE = -Ofast -std=c++17
+GPUFLAGS_OPTIMIZE = -g -O3 -std=c++17
+CUDA_ARCH       = sm_90
+OMP_NUM_THREADS   = 16
+
+#-- Library
+# The following ENV variable is defined by TACC's HDF5 module
+# - the module files clearly state that these environment variables
+#   are defined when the modules are loaded
+CUDA_ROOT       := ${TACC_CUDA_DIR}
+HDF5_ROOT       := ${TACC_HDF5_DIR}
+
+# the following is required for cufft
+# - note, the module file description doesn't clearly state that the
+#   environment variable is defined, but it is defined by the module
+#   file and it follows TACC's standard conventions
+NVIDIAMATH_ROOT := ${TACC_NVIDIA_MATH_DIR}
+
+#-- MPI calls accept GPU buffers (requires GPU-aware MPI)
+MPI_GPU = -DMPI_GPU

builds/setup.vista.sh

@@ -0,0 +1,8 @@
+#!/bin/bash
+
+#-- This script needs to be source-d in the terminal, e.g.
+#   source ./setup.vista.gcc.sh
+
+module load cuda/12.5 openmpi/5.0.5 hdf5/1.14.4 nvidia_math/12.4
+
+export CHOLLA_ENVSET=1