[llvm-bugs] [Bug 34103] libc++abi doesn't build with -std=c++17

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34103

Taiju Tsuiki  changed:

   What|Removed |Added

 Resolution|--- |FIXED
 Fixed By Commit(s)||331150 331450
 CC||mail+l...@tzik.jp
 Status|REOPENED|RESOLVED

--- Comment #6 from Taiju Tsuiki  ---
This should be fixed by r331150 and r331450.

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[llvm-bugs] [Bug 34103] libc++abi doesn't build with -std=c++17

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34103

Nico Weber  changed:

   What|Removed |Added

 Status|RESOLVED|REOPENED
 Resolution|WONTFIX |---

--- Comment #4 from Nico Weber  ---
Our setup is that we build libc++(abi) ourselves and link it statically. We
have a global -std= flag.

Something like "if you build libc++abi with -std=c++17, it will only work for
c++17+ programs" would be cool for us. Eventually something like that will be
needed anyhow.

Anyhoo, reopened for either that or Richard's suggestion.

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[llvm-bugs] [Bug 34103] libc++abi doesn't build with -std=c++17

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=34103

Marshall Clow (home)  changed:

   What|Removed |Added

 Resolution|--- |WONTFIX
 Status|NEW |RESOLVED
   Assignee|unassignedb...@nondot.org   |mclow.li...@gmail.com

--- Comment #1 from Marshall Clow (home)  ---
Nico - This is going to stay this way.  

libcxxabi provides services to C++ programs compiled with all language
versions. If we removed unexpected_handler (and uncaught exception, etc), then
programs built with -std=c++11 (for example) would fail to link, and already
built programs would fail to launch, with an "unresolved external reference"
error.

Until we're ready to say "You can only run programs compiled with -std=c++17 or
later" on a given system, we have to keep this code around.

We might want to add something to the build system to give a message if someone
tries to build with C++17 or later, though.

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