Merge pull request #7419 from fwyzard/IB/CMSSW_12_1_X/master_update_c…

…uda-compatible-runtime

Update cuda-compatible-runtime to add kernel checks

cuda-compatible-runtime.spec

@@ -1,26 +1,67 @@
 ### RPM external cuda-compatible-runtime 1.0
 
 %define branch master
-%define commit 18d5a51bfb32fbb7b765dd2eecd14e193cce8126
+%define commit bfe5537537428ab4a72ae929c77977a55501c576
 
-Source: git+https://:@gitlab.cern.ch:8443/cms-patatrack/%{n}.git?obj=%{branch}/%{commit}&export=%{n}&filter=./test.c&output=/%{n}-%{realversion}.tgz
+Source: git+https://:@gitlab.cern.ch:8443/cms-patatrack/%{n}.git?obj=%{branch}/%{commit}&export=%{n}&filter=./test.cu&output=/%{n}-%{realversion}.tgz
 Requires: cuda
 AutoReq: no
 
 %prep
 %setup -n %{n}
 
 %build
+## INCLUDE cuda-flags
+# defines nvcc_stdcxx and cuda_flags_4
+
 rm -rf %{_builddir}/build && mkdir %{_builddir}/build
-gcc -std=c99 -O2 -Wall test.c -I $CUDA_ROOT/include -L $CUDA_ROOT/lib64 -L $CUDA_ROOT/lib64/stubs -l cudart_static -l cuda -ldl -lrt -pthread -static-libgcc -o %{_builddir}/build/cuda-compatible-runtime # || true
+if
+  $CUDA_ROOT/bin/nvcc %{nvcc_stdcxx} -O2 -g %{cuda_flags_4} test.cu -I $CUDA_ROOT/include -L $CUDA_ROOT/lib64 -L $CUDA_ROOT/lib64/stubs --cudart static -ldl -lrt --compiler-options '-Wall -pthread' -o %{_builddir}/build/cuda-compatible-runtime
+then
+  true
+else
+  # CUDA is not supported by this architecture or compiler version
+  cat > %{_builddir}/build/cuda-compatible-runtime << @EOF_
+#! /bin/bash
 
-%install
+VERBOSE=false
 
-mkdir %{i}/test
-if [ -f %{_builddir}/build/cuda-compatible-runtime ]; then
-  cp %{_builddir}/build/cuda-compatible-runtime %{i}/test/cuda-compatible-runtime
-else
-  ln -s /usr/bin/false %{i}/test/cuda-compatible-runtime
+function usage() {
+  cat << @EOF
+Usage: \$0 [-h|-v]
+
+Options:
+  -h        Print a help message and exits.
+  -v        Be more verbose.
+@EOF
+}
+
+for ARG in "\$@"; do
+  case "\$ARG" in
+  -h)
+    usage
+    exit 0
+    ;;
+  -v)
+    VERBOSE=true
+    ;;
+  *)
+    echo "\$0: invalid option '\$ARG'"
+    echo
+    usage
+    exit 1
+    ;;
+  esac
+done
+
+\$VERBOSE && echo "CUDA ${CUDA_VERSION} is not compatible with GCC ${GCC_VERSION}"
+exit 1
+@EOF_
+  chmod +x %{_builddir}/build/cuda-compatible-runtime
 fi
 
+%install
+mkdir %{i}/test
+cp %{_builddir}/build/cuda-compatible-runtime %{i}/test/cuda-compatible-runtime
+
 %post