Compatibility with Sapporo

sapporo2/get_sapporo.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+commit=7c3f80acf1df5a8907118706a2260184cfccc6a1
+archive_md5sum=b7b17eeded2cb5dfb9e174424b3f7ecb
+url=https://github.com/treecode/sapporo2/archive/$commit.tar.gz
+wget -O sapporo2.tar.gz $url
+md5sum --check <<<"$archive_md5sum sapporo2.tar.gz"
+tar --strip-components=1 -xvf sapporo2.tar.gz
+rm -f sapporo2.tar.gz
+patch -p0 < patch.diff

sapporo2/patch.diff

@@ -0,0 +1,54 @@
+diff -ruN
+--- lib/CUDAKernels/kernels.cu
++++
+@@ -206,7 +206,7 @@
+ // template<>           __device__ __forceinline__  double RSQRT(double val) { return 1.0/sqrt(val); }
+ 
+ 
+-
++#if (CUDART_VERSION <= 8000)
+ __device__ double atomicAdd(double* address, double val)
+ {
+     unsigned long long int* address_as_ull =
+@@ -220,7 +220,7 @@
+     } while (assumed != old);
+     return __longlong_as_double(old);
+ }
+-
++#endif
+ 
+ __device__ __forceinline__ double atomicMin(double *address, double val)
+ {
+diff -ruN
+--- lib/Makefile
++++
+@@ -5,7 +5,8 @@
+ 
+ .SUFFIXES: .o .cpp .ptx .cu
+ 
+-CUDA_TK  ?= /usr/local/cuda
++CUDAHOME ?= /usr/local/cuda
++CUDA_TK   = $(CUDAHOME)
+ 
+ 
+ testRunFlags1=
+@@ -36,17 +37,8 @@
+ NVCC      = $(CUDA_TK)/bin/nvcc
+ 
+ 
+-# Support older CUDA versions out of the box
+-NVCCVERSION=$(shell "${NVCC}" --version | grep ^Cuda | sed 's/^.* //g')
+-ifeq "${NVCCVERSION}" "V5.5.22"
+-	NVCCFLAGS ?= -arch sm_20
+-else
+-	NVCCFLAGS ?= -arch sm_30
+-endif
+-
+-#NVCCFLAGS = -arch sm_35
+-#NVCCFLAGS ?= -arch sm_30
+-#NVCCFLAGS = -arch sm_20
++GPUARCH   ?= sm_75
++NVCCFLAGS  = -arch $(GPUARCH)
+ NVCCFLAGS +=  ${testRunFlags}
+ 
+ # Use with Mac OS X