From efe6efb6f315c7f97be8a850e0a84ff7f6651d85 Mon Sep 17 00:00:00 2001
From: Dhruv Chawla <dhruvc@nvidia.com>
Date: Mon, 26 Aug 2024 11:09:19 +0530
Subject: [PATCH] libstdc++: Add missing feature-test macro in various headers
version.syn#2 requires various headers to define
__cpp_lib_allocator_traits_is_always_equal. Currently, only <memory> was
defining this macro. Implement fixes for the other headers as well.
Signed-off-by: Dhruv Chawla <dhruvc@nvidia.com>
libstdc++-v3/ChangeLog:
* include/std/deque: Define macro
__glibcxx_want_allocator_traits_is_always_equal.
* include/std/forward_list: Likewise.
* include/std/list: Likewise.
* include/std/map: Likewise.
* include/std/scoped_allocator: Likewise.
* include/std/set: Likewise.
* include/std/string: Likewise.
* include/std/unordered_map: Likewise.
* include/std/unordered_set: Likewise.
* include/std/vector: Likewise.
* testsuite/20_util/headers/memory/version.cc: New test.
* testsuite/20_util/scoped_allocator/version.cc: Likewise.
* testsuite/21_strings/headers/string/version.cc: Likewise.
* testsuite/23_containers/deque/version.cc: Likewise.
* testsuite/23_containers/forward_list/version.cc: Likewise.
* testsuite/23_containers/list/version.cc: Likewise.
* testsuite/23_containers/map/version.cc: Likewise.
* testsuite/23_containers/set/version.cc: Likewise.
* testsuite/23_containers/unordered_map/version.cc: Likewise.
* testsuite/23_containers/unordered_set/version.cc: Likewise.
* testsuite/23_containers/vector/version.cc: Likewise.
---
libstdc++-v3/include/std/deque | 1 +
libstdc++-v3/include/std/forward_list | 1 +
libstdc++-v3/include/std/list | 1 +
libstdc++-v3/include/std/map | 1 +
libstdc++-v3/include/std/scoped_allocator | 3 +++
libstdc++-v3/include/std/set | 1 +
libstdc++-v3/include/std/string | 1 +
libstdc++-v3/include/std/unordered_map | 1 +
libstdc++-v3/include/std/unordered_set | 1 +
libstdc++-v3/include/std/vector | 1 +
libstdc++-v3/testsuite/20_util/headers/memory/version.cc | 8 ++++++++
.../testsuite/20_util/scoped_allocator/version.cc | 8 ++++++++
.../testsuite/21_strings/headers/string/version.cc | 8 ++++++++
libstdc++-v3/testsuite/23_containers/deque/version.cc | 8 ++++++++
.../testsuite/23_containers/forward_list/version.cc | 8 ++++++++
libstdc++-v3/testsuite/23_containers/list/version.cc | 8 ++++++++
libstdc++-v3/testsuite/23_containers/map/version.cc | 8 ++++++++
libstdc++-v3/testsuite/23_containers/set/version.cc | 8 ++++++++
.../testsuite/23_containers/unordered_map/version.cc | 8 ++++++++
.../testsuite/23_containers/unordered_set/version.cc | 8 ++++++++
libstdc++-v3/testsuite/23_containers/vector/version.cc | 8 ++++++++
21 files changed, 100 insertions(+)
create mode 100644 libstdc++-v3/testsuite/20_util/headers/memory/version.cc
create mode 100644 libstdc++-v3/testsuite/20_util/scoped_allocator/version.cc
create mode 100644 libstdc++-v3/testsuite/21_strings/headers/string/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/deque/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/forward_list/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/list/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/map/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/set/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/unordered_map/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/unordered_set/version.cc
create mode 100644 libstdc++-v3/testsuite/23_containers/vector/version.cc
diff --git a/libstdc++-v3/include/std/deque b/libstdc++-v3/include/std/deque
index 0bf8309c19a7..69f8c0dcdccf 100644
--- a/libstdc++-v3/include/std/deque
+++ b/libstdc++-v3/include/std/deque
@@ -68,6 +68,7 @@
#include <bits/range_access.h>
#include <bits/deque.tcc>
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_nonmember_container_access
#include <bits/version.h>
diff --git a/libstdc++-v3/include/std/forward_list b/libstdc++-v3/include/std/forward_list
index 5ac74360808d..dfd7d48d1219 100644
--- a/libstdc++-v3/include/std/forward_list
+++ b/libstdc++-v3/include/std/forward_list
@@ -45,6 +45,7 @@
# include <debug/forward_list>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_incomplete_container_elements
#define __glibcxx_want_list_remove_return_type
diff --git a/libstdc++-v3/include/std/list b/libstdc++-v3/include/std/list
index fce4e3d925b1..ff632fc1ab2f 100644
--- a/libstdc++-v3/include/std/list
+++ b/libstdc++-v3/include/std/list
@@ -69,6 +69,7 @@
# include <debug/list>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_incomplete_container_elements
#define __glibcxx_want_list_remove_return_type
diff --git a/libstdc++-v3/include/std/map b/libstdc++-v3/include/std/map
index 4a96e59a5bc1..6520d9f744fe 100644
--- a/libstdc++-v3/include/std/map
+++ b/libstdc++-v3/include/std/map
@@ -69,6 +69,7 @@
# include <debug/map>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_generic_associative_lookup
#define __glibcxx_want_map_try_emplace
diff --git a/libstdc++-v3/include/std/scoped_allocator b/libstdc++-v3/include/std/scoped_allocator
index dbe7bf3cbf65..532a44691ba0 100644
--- a/libstdc++-v3/include/std/scoped_allocator
+++ b/libstdc++-v3/include/std/scoped_allocator
@@ -43,6 +43,9 @@
# include <bits/uses_allocator_args.h>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
+#include <bits/version.h>
+
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
diff --git a/libstdc++-v3/include/std/set b/libstdc++-v3/include/std/set
index bf2474c7eb24..95cc8005a192 100644
--- a/libstdc++-v3/include/std/set
+++ b/libstdc++-v3/include/std/set
@@ -69,6 +69,7 @@
# include <debug/set>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_generic_associative_lookup
#define __glibcxx_want_node_extract
diff --git a/libstdc++-v3/include/std/string b/libstdc++-v3/include/std/string
index 55144409cca2..8db0802a2827 100644
--- a/libstdc++-v3/include/std/string
+++ b/libstdc++-v3/include/std/string
@@ -54,6 +54,7 @@
#include <bits/basic_string.h>
#include <bits/basic_string.tcc>
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_constexpr_char_traits
#define __glibcxx_want_constexpr_string
#define __glibcxx_want_erase_if
diff --git a/libstdc++-v3/include/std/unordered_map b/libstdc++-v3/include/std/unordered_map
index ea6129d64946..f9a948c3873b 100644
--- a/libstdc++-v3/include/std/unordered_map
+++ b/libstdc++-v3/include/std/unordered_map
@@ -46,6 +46,7 @@
# include <debug/unordered_map>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_generic_unordered_lookup
#define __glibcxx_want_node_extract
diff --git a/libstdc++-v3/include/std/unordered_set b/libstdc++-v3/include/std/unordered_set
index a48fe0cd5635..aa5b702ff4d3 100644
--- a/libstdc++-v3/include/std/unordered_set
+++ b/libstdc++-v3/include/std/unordered_set
@@ -46,6 +46,7 @@
# include <debug/unordered_set>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_erase_if
#define __glibcxx_want_generic_unordered_lookup
#define __glibcxx_want_node_extract
diff --git a/libstdc++-v3/include/std/vector b/libstdc++-v3/include/std/vector
index a1f7ef868242..906c16279359 100644
--- a/libstdc++-v3/include/std/vector
+++ b/libstdc++-v3/include/std/vector
@@ -76,6 +76,7 @@
# include <debug/vector>
#endif
+#define __glibcxx_want_allocator_traits_is_always_equal
#define __glibcxx_want_constexpr_vector
#define __glibcxx_want_erase_if
#define __glibcxx_want_incomplete_container_elements
diff --git a/libstdc++-v3/testsuite/20_util/headers/memory/version.cc b/libstdc++-v3/testsuite/20_util/headers/memory/version.cc
new file mode 100644
index 000000000000..c82c9a018e0a
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/headers/memory/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <memory>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/20_util/scoped_allocator/version.cc b/libstdc++-v3/testsuite/20_util/scoped_allocator/version.cc
new file mode 100644
index 000000000000..c5a1b11a7390
--- /dev/null
+++ b/libstdc++-v3/testsuite/20_util/scoped_allocator/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <scoped_allocator>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/21_strings/headers/string/version.cc b/libstdc++-v3/testsuite/21_strings/headers/string/version.cc
new file mode 100644
index 000000000000..a546b75b3fee
--- /dev/null
+++ b/libstdc++-v3/testsuite/21_strings/headers/string/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <string>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/deque/version.cc b/libstdc++-v3/testsuite/23_containers/deque/version.cc
new file mode 100644
index 000000000000..09d71cb935d3
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/deque/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <deque>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/forward_list/version.cc b/libstdc++-v3/testsuite/23_containers/forward_list/version.cc
new file mode 100644
index 000000000000..7a0203978f0c
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/forward_list/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <forward_list>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/list/version.cc b/libstdc++-v3/testsuite/23_containers/list/version.cc
new file mode 100644
index 000000000000..3ac63e06d90b
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/list/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <list>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/map/version.cc b/libstdc++-v3/testsuite/23_containers/map/version.cc
new file mode 100644
index 000000000000..31a228d365d0
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/map/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <map>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/set/version.cc b/libstdc++-v3/testsuite/23_containers/set/version.cc
new file mode 100644
index 000000000000..eb49b2353c3f
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/set/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <set>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_map/version.cc b/libstdc++-v3/testsuite/23_containers/unordered_map/version.cc
new file mode 100644
index 000000000000..946d7c295d59
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_map/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <unordered_map>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/unordered_set/version.cc b/libstdc++-v3/testsuite/23_containers/unordered_set/version.cc
new file mode 100644
index 000000000000..d22adfb420e8
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/unordered_set/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <unordered_set>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
diff --git a/libstdc++-v3/testsuite/23_containers/vector/version.cc b/libstdc++-v3/testsuite/23_containers/vector/version.cc
new file mode 100644
index 000000000000..0c8e4150abc7
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/vector/version.cc
@@ -0,0 +1,8 @@
+// { dg-do preprocess { target c++17 } }
+// { dg-add-options no_pch }
+
+#include <vector>
+
+#if __cpp_lib_allocator_traits_is_always_equal != 201411L
+# error "Feature-test macro __cpp_lib_allocator_traits_is_always_equal has wrong value in <version>"
+#endif
--
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