On 7/7/25 11:45, Tomasz Kaminski wrote:
On Mon, Jul 7, 2025 at 11:41 AM Luc Grosheintz <luc.groshei...@gmail.com>
wrote:
libstdc++-v3/ChangeLog:
* include/bits/version.def (mdspan): Set to 202207 and remove
no_stdname.
* include/bits/version.h: Regenerate.
* testsuite/23_containers/mdspan/mdspan_ftm.cc: Test presence
of FTM.
Signed-off-by: Luc Grosheintz <luc.groshei...@gmail.com>
---
Some minor suggestions below. Could you please also mention PR107761 in the
commit.
We have automation that will put that in bugzilla, so people tracking
issues can see it.
I would do that in general for any new commits implementing language
feature.
Let me know if you will not be able to find a corresponding bugzilla ticket.
Makes sense, and I've been horribly inconsistent about this (I completely
forgot during all of the layout patches).
I'll add the updated commit to v4 of the mdspan patch series.
libstdc++-v3/include/bits/version.def | 3 +--
libstdc++-v3/include/bits/version.h | 3 ++-
libstdc++-v3/testsuite/23_containers/mdspan/mdspan_ftm.cc | 6 ++++++
3 files changed, 9 insertions(+), 3 deletions(-)
create mode 100644
libstdc++-v3/testsuite/23_containers/mdspan/mdspan_ftm.cc
diff --git a/libstdc++-v3/include/bits/version.def
b/libstdc++-v3/include/bits/version.def
index f4ba501c403..ad909afd20e 100644
--- a/libstdc++-v3/include/bits/version.def
+++ b/libstdc++-v3/include/bits/version.def
@@ -1007,9 +1007,8 @@ ftms = {
ftms = {
name = mdspan;
- no_stdname = true; // FIXME: remove
values = {
- v = 1; // FIXME: 202207
+ v = 202207;
cxxmin = 23;
};
};
diff --git a/libstdc++-v3/include/bits/version.h
b/libstdc++-v3/include/bits/version.h
index dc8ac07be16..72f9231846e 100644
--- a/libstdc++-v3/include/bits/version.h
+++ b/libstdc++-v3/include/bits/version.h
@@ -1126,8 +1126,9 @@
#if !defined(__cpp_lib_mdspan)
# if (__cplusplus >= 202100L)
-# define __glibcxx_mdspan 1L
+# define __glibcxx_mdspan 202207L
# if defined(__glibcxx_want_all) || defined(__glibcxx_want_mdspan)
+# define __cpp_lib_mdspan 202207L
# endif
# endif
#endif /* !defined(__cpp_lib_mdspan) && defined(__glibcxx_want_mdspan) */
diff --git a/libstdc++-v3/testsuite/23_containers/mdspan/mdspan_ftm.cc
b/libstdc++-v3/testsuite/23_containers/mdspan/mdspan_ftm.cc
new file mode 100644
index 00000000000..fc528293e66
--- /dev/null
+++ b/libstdc++-v3/testsuite/23_containers/mdspan/mdspan_ftm.cc
I would name the file just ftm.
@@ -0,0 +1,6 @@
+// { dg-do compile { target c++23 } }
+#include <mdspan>
+
+#ifndef __cpp_lib_mdspan
+#error "Missing FTM"
+#endif
We usually use following to test the feature test macro:
#ifndef __cpp_lib_ranges_to_container
# error "Feature test macro for ranges_to_container is missing in <ranges>"
#elif __cpp_lib_ranges_to_container < 202202L
# error "Feature test macro for ranges_to_container has wrong value in
<ranges>"
#endif
--
2.49.0
