Hi,
Attached is an updated version of pr99832-distro.diff. It fixes many
test failures on hppa but acats tests didn't run.
Test results for gcc-15.1.0-4 with this patch are posted here:
https://gcc.gnu.org/pipermail/gcc-testresults/2025-May/847808.html
Please review and install.
Regards,
Dave Anglin
--
John David Anglin jda.par...@gmail.com
# DP: PR libstdc++/99832, std::chrono::system_clock::{from,to}_time_t:
# DP: Add ABI tag for timet64.
Index: gcc-15-15.1.0/src/libstdc++-v3/config/os/gnu-linux/os_defines.h
===================================================================
--- gcc-15-15.1.0.orig/src/libstdc++-v3/config/os/gnu-linux/os_defines.h
+++ gcc-15-15.1.0/src/libstdc++-v3/config/os/gnu-linux/os_defines.h
@@ -85,6 +85,13 @@
// libpthread.
# define _GLIBCXX_GTHREAD_USE_WEAK 0
# endif
+
+# if defined(_TIME_BITS)
+# if _TIME_BITS == 64
+# undef _GLIBCXX_TIME_BITS64_ABI_TAG
+# define _GLIBCXX_TIME_BITS64_ABI_TAG [[__gnu__::__abi_tag__("__time64")]]
+# endif
+# endif
#endif // __linux__
#endif
Index: gcc-15-15.1.0/src/libstdc++-v3/include/bits/c++config
===================================================================
--- gcc-15-15.1.0.orig/src/libstdc++-v3/include/bits/c++config
+++ gcc-15-15.1.0/src/libstdc++-v3/include/bits/c++config
@@ -720,6 +720,8 @@ namespace std
# define _GLIBCXX_END_EXTERN_C
#endif
+#define _GLIBCXX_TIME_BITS64_ABI_TAG
+
// First includes.
Index: gcc-15-15.1.0/src/libstdc++-v3/include/bits/chrono.h
===================================================================
--- gcc-15-15.1.0.orig/src/libstdc++-v3/include/bits/chrono.h
+++ gcc-15-15.1.0/src/libstdc++-v3/include/bits/chrono.h
@@ -1244,6 +1244,7 @@ _GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
now() noexcept;
// Map to C API
+ _GLIBCXX_TIME_BITS64_ABI_TAG
static std::time_t
to_time_t(const time_point& __t) noexcept
{
@@ -1251,6 +1252,7 @@ _GLIBCXX_BEGIN_INLINE_ABI_NAMESPACE(_V2)
(__t.time_since_epoch()).count());
}
+ _GLIBCXX_TIME_BITS64_ABI_TAG
static time_point
from_time_t(std::time_t __t) noexcept
{
