Author: Chuanqi Xu Date: 2025-09-29T15:01:05+08:00 New Revision: b3fe1b6db39e42e73131b483f4401f4bf3b05444
URL: https://github.com/llvm/llvm-project/commit/b3fe1b6db39e42e73131b483f4401f4bf3b05444 DIFF: https://github.com/llvm/llvm-project/commit/b3fe1b6db39e42e73131b483f4401f4bf3b05444.diff LOG: [C++20] [Modules] Set the feature testing macro to 1 (#161034) See https://github.com/llvm/llvm-project/issues/71364 for details. Added: Modified: clang/lib/Frontend/InitPreprocessor.cpp clang/test/Lexer/cxx-features.cpp Removed: ################################################################################ diff --git a/clang/lib/Frontend/InitPreprocessor.cpp b/clang/lib/Frontend/InitPreprocessor.cpp index edf0a091e087c..877ab02850667 100644 --- a/clang/lib/Frontend/InitPreprocessor.cpp +++ b/clang/lib/Frontend/InitPreprocessor.cpp @@ -742,7 +742,10 @@ static void InitializeCPlusPlusFeatureTestMacros(const LangOptions &LangOpts, Builder.defineMacro("__cpp_impl_coroutine", "201902L"); Builder.defineMacro("__cpp_designated_initializers", "201707L"); Builder.defineMacro("__cpp_impl_three_way_comparison", "201907L"); - //Builder.defineMacro("__cpp_modules", "201907L"); + // Intentionally to set __cpp_modules to 1. + // See https://github.com/llvm/llvm-project/issues/71364 for details. + // Builder.defineMacro("__cpp_modules", "201907L"); + Builder.defineMacro("__cpp_modules", "1"); Builder.defineMacro("__cpp_using_enum", "201907L"); } // C++23 features. diff --git a/clang/test/Lexer/cxx-features.cpp b/clang/test/Lexer/cxx-features.cpp index ced5bcaf0db16..8eb9ea032879c 100644 --- a/clang/test/Lexer/cxx-features.cpp +++ b/clang/test/Lexer/cxx-features.cpp @@ -148,7 +148,7 @@ // init_captures checked below -#if check(modules, 0, 0, 0, 0, 0, 0, 0) +#if check(modules, 0, 0, 0, 0, 1, 1, 1) // FIXME: 201907 in C++20 #error "wrong value for __cpp_modules" #endif _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
