Bump required CUDA version to 7.0

[alexxy/gromacs.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 295d6fce4356cce6eeb08227722df7dfc6ea19a5..1fa840d567f317757bd57cfb232472870cf9f004 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -202,15 +202,12 @@ gmx_add_cache_dependency(GMX_COOL_QUOTES BOOL "NOT GMX_FAHCORE" OFF)
 option(GMX_USE_OPENCL "Enable OpenCL acceleration" OFF)
 
 # Decide on GPU settings based on user-settings and GPU/CUDA
-# detection.  GCC 4.8 requires CUDA 6.0 (but we choose 6.5 for the
-# preliminary C++11 support), icc 15 requires CUDA 7.0, and VS2015
-# requires CUDA 8.0
+# detection. VS2015 requires CUDA 8.0, for the other arch/compilers
+# rest we require CUDA 7.0 or later (including for clang-CUDA).
 if(MSVC)
     set(REQUIRED_CUDA_VERSION 8.0)
-elseif(CMAKE_CXX_COMPILER_ID MATCHES "Intel")
-    set(REQUIRED_CUDA_VERSION 7.0)
 else()
-    set(REQUIRED_CUDA_VERSION 6.5)
+    set(REQUIRED_CUDA_VERSION 7.0)
 endif()
 set(REQUIRED_CUDA_COMPUTE_CAPABILITY 2.0)