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libstdc++: Add missing __cpp_lib_format macro to <version>

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libstdc++-v3/ChangeLog:

	* include/std/version (__cpp_lib_format): Define.
	* testsuite/std/format/functions/format.cc: Check it.
This commit is contained in:
Jonathan Wakely 2023-03-22 12:37:17 +00:00
parent ba4f5530c4
commit 02e86035d3
2 changed files with 16 additions and 0 deletions
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1
libstdc++-v3/include/std/version
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@ -277,6 +277,7 @@
#define __cpp_lib_constexpr_utility 201811L
#define __cpp_lib_constexpr_vector 201907L
#define __cpp_lib_erase_if 202002L
#define __cpp_lib_format 202106L
#define __cpp_lib_generic_unordered_lookup 201811L
#define __cpp_lib_interpolate 201902L
#ifdef _GLIBCXX_HAS_GTHREADS

15
libstdc++-v3/testsuite/std/format/functions/format.cc
View file

@ -2,6 +2,21 @@
// { dg-do run { target c++20 } }
#include <format>
#ifndef __cpp_lib_format
# error "Feature test macro for std::format is missing in <format>"
#elif __cpp_lib_format < 202106L
# error "Feature test macro for std::format has wrong value in <format>"
#endif
#undef __cpp_lib_format
#include <version>
#ifndef __cpp_lib_format
# error "Feature test macro for std::format is missing in <version>"
#elif __cpp_lib_format < 202106L
# error "Feature test macro for std::format has wrong value in <version>"
#endif
#include <string>
#include <limits>
#include <cstdint>