From 026a79f70cf33f836ea5275eda72d4870a3041e5 Mon Sep 17 00:00:00 2001 From: Andrew Sutton Date: Fri, 15 Sep 2017 21:16:37 +0000 Subject: Add support for -std=c++2a. * c-common.h (cxx_dialect): Add cxx2a as a dialect. * opt.c: Add options for -std=c++2a and -std=gnu++2a. * c-opts.c (set_std_cxx2a): New. (c_common_handle_option): Set options when -std=c++2a is enabled. (c_common_post_options): Adjust comments. (set_std_cxx14, set_std_cxx17): Likewise. * doc/cpp.texi (__cplusplus): Document value for -std=c++2a or -std=gnu+2a. * doc/invoke.texi: Document -std=c++2a and -std=gnu++2a. * lib/target-supports.exp (check_effective_target_c++17): Return 1 also if check_effective_target_c++2a. (check_effective_target_c++17_down): New. (check_effective_target_c++2a_only): New. (check_effective_target_c++2a): New. * g++.dg/cpp2a/cplusplus.C: New. * include/cpplib.h (c_lang): Add CXX2A and GNUCXX2A. * init.c (lang_defaults): Add rows for CXX2A and GNUCXX2A. (cpp_init_builtins): Set __cplusplus to 201709L for C++2a. Co-Authored-By: Jakub Jelinek From-SVN: r252850 --- libcpp/include/cpplib.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'libcpp/include') diff --git a/libcpp/include/cpplib.h b/libcpp/include/cpplib.h index 8c81f9d..804132a 100644 --- a/libcpp/include/cpplib.h +++ b/libcpp/include/cpplib.h @@ -171,7 +171,8 @@ enum cpp_ttype enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11, CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, - CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17, CLK_ASM}; + CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17, + CLK_GNUCXX2A, CLK_CXX2A, CLK_ASM}; /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ struct GTY(()) cpp_string { -- cgit v1.1