by default disable gpu build support

tensorflow-requires.file

@@ -4,10 +4,11 @@ Requires: py3-cython py3-protobuf py3-astor py3-six py3-termcolor py3-absl-py
 Requires: py3-opt-einsum py3-flatbuffers
 Requires: eigen protobuf zlib libpng libjpeg-turbo curl giflib sqlite grpc flatbuffers py3-pybind11
 BuildRequires: py3-wheel
+%if %{enable_gpu}
 %if "%{cmsos}" != "slc7_aarch64"
 ## INCLUDE cuda-flags
-%define enable_cuda 1
 Requires: cuda cudnn
 %else
-%define enable_cuda 0
+%define enable_gpu 0
+%endif
 %endif

tensorflow-sources.file

@@ -43,7 +43,7 @@ BAZEL_OPTS="$BAZEL_OPTS --copt=-mcpu=native --copt=-mtune=native"
 BAZEL_OPTS="$BAZEL_OPTS --config=%{build_type} --cxxopt=-std=c++17 --host_cxxopt=-std=c++17 %{makeprocesses}"
 BAZEL_OPTS="$BAZEL_OPTS --config=noaws --config=nogcp --config=nohdfs --config=nonccl"
 
-%if %{enable_cuda}
+%if %{enable_gpu}
 BAZEL_OPTS="$BAZEL_OPTS --config=cuda"
 export GCC_HOST_COMPILER_PREFIX=${GCC_ROOT}/bin
 export GCC_HOST_COMPILER_PATH=$(which gcc)
@@ -52,10 +52,8 @@ export TF_CUDA_VERSION="$(echo ${CUDA_VERSION} | cut -f1,2 -d.)"
 export TF_CUDA_PATHS="${CUDA_ROOT},${CUDNN_ROOT}"
 export TF_CUDA_CLANG=0
 export cuda=Y
-export TF_NEED_CUDA=1
-%else
-export TF_NEED_CUDA=0
 %endif
+export TF_NEED_CUDA=%{enable_gpu}
 export TF_NEED_JEMALLOC=0
 export TF_NEED_HDFS=0
 export TF_NEED_GCP=0

tensorflow-sources.spec

@@ -3,6 +3,7 @@
 %define python_env PYTHON3PATH
 %define build_type opt
 %define pythonOnly no
+%define enable_gpu 0
 %define vectorize_flag -msse3
 ## INCLUDE tensorflow-sources