[llvm-branch-commits] [libcxx] [llvm] [libc++][C++03] Use `__cxx03/` headers in C++03 mode (PR #109002)

[Louis Dionne via llvm-branch-commits]

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@@ -14,6 +14,7 @@
 #include <__configuration/abi.h>
 #include <__configuration/availability.h>
 #include <__configuration/compiler.h>
+#include <__configuration/cxx03.h>
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ldionne wrote:

Could we move `_LIBCPP_CXX03_LANG` into `language.h` instead? And it might be worth making a separate patch since that's so easy to do.

So in many places the includes would become `#include <__configuration/language.h>` at the beginning of files.

https://github.com/llvm/llvm-project/pull/109002