[Build] Update C++ standard to C++17 for AOT, iOS, VTA (apache#12712)

Follow-up from apache#12337 and apache#12693, updating a few additional locations that specified C++14.
daobook · Nov 25, 2022 · 32e8a8e · 32e8a8e
1 parent f5f2844
commit 32e8a8e
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Showing 4 changed files with 5 additions and 5 deletions.
diff --git a/apps/ios_rpc/tvmrpc.xcodeproj/project.pbxproj b/apps/ios_rpc/tvmrpc.xcodeproj/project.pbxproj
@@ -255,7 +255,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;
@@ -308,7 +308,7 @@
 				ALWAYS_SEARCH_USER_PATHS = NO;
 				CLANG_ANALYZER_NONNULL = YES;
 				CLANG_ANALYZER_NUMBER_OBJECT_CONVERSION = YES_AGGRESSIVE;
-				CLANG_CXX_LANGUAGE_STANDARD = "gnu++14";
+				CLANG_CXX_LANGUAGE_STANDARD = "gnu++17";
 				CLANG_CXX_LIBRARY = "libc++";
 				CLANG_ENABLE_MODULES = YES;
 				CLANG_ENABLE_OBJC_ARC = YES;

diff --git a/include/tvm/support/span.h b/include/tvm/support/span.h
@@ -36,7 +36,7 @@ namespace support {
 /*!
  * \brief A partial implementation of the C++20 std::span.
  *
- * At the time of writing, TVM must compile against C++14.
+ * At the time of writing, TVM must compile against C++17.
  */
 template <class T, class W>
 class Span {

diff --git a/tests/python/relay/aot/test_cpp_aot.py b/tests/python/relay/aot/test_cpp_aot.py
@@ -138,7 +138,7 @@ def test_mobilenet(enable_usmp, target_kind):
 
     temp_dir = tvm.contrib.utils.TempDirectory()
     test_so_path = temp_dir / "test.so"
-    mod.export_library(test_so_path, cc="c++", options=["-std=gnu++14", "-g3", "-O0"])
+    mod.export_library(test_so_path, cc="c++", options=["-std=gnu++17", "-g3", "-O0"])
     loaded_mod = tvm.runtime.load_module(test_so_path)
     runner = tvm.runtime.executor.AotModule(loaded_mod["default"](tvm.cpu(0)))
     runner.set_input(**inputs)

diff --git a/vta/python/vta/exec/rpc_server.py b/vta/python/vta/exec/rpc_server.py
@@ -106,7 +106,7 @@ def reconfig_runtime(cfg_json):
             if pkg.same_config(old_cfg):
                 logging.info("Skip reconfig_runtime due to same config.")
                 return
-        cflags = ["-O2", "-std=c++14"]
+        cflags = ["-O2", "-std=c++17"]
         cflags += pkg.cflags
         ldflags = pkg.ldflags
         lib_name = dll_path