kkz
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f27fd35c9c
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[Backport] libstdc++: Remove _GLIBCXX_USE_INT128 autoconf macro
Reference: https://www.mail-archive.com/gcc-patches@gcc.gnu.org/msg259436.html
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=ad0a3be4df5eecc79075d899fd79179d0f61270e
https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff;h=29a9de9b40277af98515eabebb75be1f154e9505
We don't need to decide whether to use __int128 when running configure,
we can do so at compilation time by seeing if __SIZEOF_INT128__ is
defined and if it's greater than __SIZEOF_LONG_LONG__.
This removes another unnecessary architecture-specific config macro in
<bits/c++config.h>, so the same header can work for 32-bit or 64-bit
compilation on AIX.
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2022-04-14 19:15:39 +08:00 |
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