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authorJonathan Wakely <jwakely@redhat.com>2023-03-22 12:37:17 +0000
committerJonathan Wakely <jwakely@redhat.com>2023-03-22 17:48:20 +0000
commit02e86035d30e9f7b8645ebb64f4028900fc37126 (patch)
tree053239834872290d5780d3ebc875a0ada6e4bdf9
parentba4f5530c475eadd2a7edb46b6c1c9d5f9267501 (diff)
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libstdc++: Add missing __cpp_lib_format macro to <version>
libstdc++-v3/ChangeLog: * include/std/version (__cpp_lib_format): Define. * testsuite/std/format/functions/format.cc: Check it.
-rw-r--r--libstdc++-v3/include/std/version1
-rw-r--r--libstdc++-v3/testsuite/std/format/functions/format.cc15
2 files changed, 16 insertions, 0 deletions
diff --git a/libstdc++-v3/include/std/version b/libstdc++-v3/include/std/version
index 25ebfc3..a19c39c 100644
--- a/libstdc++-v3/include/std/version
+++ b/libstdc++-v3/include/std/version
@@ -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
diff --git a/libstdc++-v3/testsuite/std/format/functions/format.cc b/libstdc++-v3/testsuite/std/format/functions/format.cc
index 7a15520..2a1b156 100644
--- a/libstdc++-v3/testsuite/std/format/functions/format.cc
+++ b/libstdc++-v3/testsuite/std/format/functions/format.cc
@@ -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>