Bump min cxx standard to 17 (triton-inference-server#110)

Author: oandreeva-nv

CMakeLists.txt

@@ -28,6 +28,11 @@ cmake_minimum_required(VERSION 3.17)
 
 project(tritoncommon LANGUAGES C CXX)
 
+#
+# C++ standard
+#
+set(TRITON_MIN_CXX_STANDARD 17 CACHE STRING "The minimum C++ standard whose features are requested to build this target.")
+
 #
 # Options
 #
@@ -55,7 +60,7 @@ endif()
 
 add_library(common-compile-settings INTERFACE)
 
-target_compile_features(common-compile-settings INTERFACE cxx_std_11)
+target_compile_features(common-compile-settings INTERFACE cxx_std_${TRITON_MIN_CXX_STANDARD})
 
 target_compile_options(common-compile-settings INTERFACE
   $<$<OR:$<CXX_COMPILER_ID:Clang>,$<CXX_COMPILER_ID:AppleClang>,$<CXX_COMPILER_ID:GNU>>: