Merge pull request #281 from FloopCZ/allow-gcc-11

Allow gcc with no version

Author: FloopCZ

tensorflow_cc/cmake/build_tensorflow.sh.in

@@ -65,7 +65,9 @@ if [ "$cuda_allowed" == true ] && [ "$cuda_available" == true ]; then
 
     # choose the right version of CUDA compiler
     if [ -z "$GCC_HOST_COMPILER_PATH" ]; then
-        if hash gcc-10 2>/dev/null && version_gt 10.3 `gcc-10 -dumpversion`; then
+        if hash gcc-11 2>/dev/null && version_gt 11.1 `gcc-11 -dumpversion`; then
+            export GCC_HOST_COMPILER_PATH=${GCC_HOST_COMPILER_PATH:-"/usr/bin/gcc-11"}
+        elif hash gcc-10 2>/dev/null && version_gt 10.3 `gcc-10 -dumpversion`; then
             export GCC_HOST_COMPILER_PATH=${GCC_HOST_COMPILER_PATH:-"/usr/bin/gcc-10"}
         elif hash gcc-9 2>/dev/null && version_gt 9.4 `gcc-9 -dumpversion`; then
             export GCC_HOST_COMPILER_PATH=${GCC_HOST_COMPILER_PATH:-"/usr/bin/gcc-9"}
@@ -80,12 +82,7 @@ if [ "$cuda_allowed" == true ] && [ "$cuda_available" == true ]; then
         elif hash gcc-4 2>/dev/null && version_gt 4.9 `gcc-4 -dumpversion`; then
             export GCC_HOST_COMPILER_PATH=${GCC_HOST_COMPILER_PATH:-"/usr/bin/gcc-4"}
         else
-            echo "No supported CUDA compiler available. If you are sure your compiler"
-            echo "version is supported by your CUDA version, please run e.g.:"
-            echo "export GCC_HOST_COMPILER_PATH=/usr/bin/gcc"
-            echo "before the build. For the list of supported compilers refer to:"
-            echo "https://docs.nvidia.com/cuda/cuda-installation-guide-linux/index.html"
-            exit 1
+            export GCC_HOST_COMPILER_PATH=${GCC_HOST_COMPILER_PATH:-"/usr/bin/gcc"}
         fi
     fi