Exclude clang5 from the nvidia compilation

There was a bug related to

  https://gcc.gnu.org/pipermail/gcc-help/2021-June/140490.html

where nvcc was getting other versions of the gcc compiler
and the libstd++ version were mismatched, resulting in linking errors.

.github/workflows/main.yml

@@ -36,6 +36,12 @@ jobs:
         cuda:
           - false
           - true
+        exclude:
+          #
+          # nvcc needs c++14 for the cubs library
+          #
+          - cuda: true
+            compiler: clang5
 
     steps:
     - uses: actions/checkout@v2.3.4
@@ -55,7 +61,11 @@ jobs:
       run: |
         mkdir -p build/${{matrix.compiler}}
         cd build/${{matrix.compiler}}
-        $WITH_SHELL '../../configure'
+        if [[ ${{matrix.cuda}} == true ]]; then
+          $WITH_SHELL '../../configure --enable-cuda'
+        else
+          $WITH_SHELL '../../configure'
+        fi
 
     - name: CTF (${{matrix.compiler}})
       run: |

bench/Makefile.am

@@ -25,7 +25,7 @@ AM_CXXFLAGS = $(CUDA_CXXFLAGS)
 AM_LDFLAGS += $(CUDA_LDFLAGS)
 
 bin_PROGRAMS += test-cublas-parallel-atrip
-test_cublas_parallel_SOURCES = test-cublas-parallel-atrip.cxx
+test_cublas_parallel_atrip_SOURCES = test-cublas-parallel-atrip.cxx
 
 bin_PROGRAMS += test-cuda-sanity
 test_cuda_sanity_SOURCES = test-cuda-sanity.cxx

etc/nix/openblas.nix

@@ -13,7 +13,8 @@ let
   );
   */
 
-  myopenblas = pkgs.enableDebugging pkgs.openblas;
+  #myopenblas = pkgs.enableDebugging pkgs.openblas;
+  myopenblas = pkgs.openblas;
 
 in
 

include/atrip/Utils.hpp

@@ -52,11 +52,13 @@ namespace atrip {
 #pragma GCC diagnostic ignored "-Wunused-parameter"
   template <typename T>
   std::string pretty_print(T&& value) {
-    std::stringstream stream;
 #if ATRIP_DEBUG > 2
+    std::stringstream stream;
     dbg::pretty_print(stream, std::forward<T>(value));
-#endif
     return stream.str();
+#else
+    return "";
+#endif
   }
 #pragma GCC diagnostic pop
 // Pretty printing:1 ends here

src/Makefile.am

@@ -16,7 +16,7 @@ libatrip_a_CPPFLAGS += $(CUDA_CXXFLAGS)
 libatrip_a_DEPENDENCIES = $(NVCC_OBJS)
 libatrip_a_LIBADD = $(NVCC_OBJS)
 %.nvcc.o: %.cxx
-	$(NVCC) -c -x cu -I../ $(CPPFLAGS) $(CTF_CPPFLAGS) $(DEFS) $(libatrip_a_CPPFLAGS) $< -o $@
+	$(NVCC) -c -x cu -ccbin="${MPICXX}" -I../ $(CPPFLAGS) $(CTF_CPPFLAGS) $(DEFS) $(libatrip_a_CPPFLAGS) $< -o $@
 
 #./atrip/Equations.o: ./atrip/Equations.cxx
 #	$(NVCC) -c -I../ $(CPPFLAGS) $(libatrip_a_CPPFLAGS) $< -o $@