[libcxx-commits] [libcxx] [AIX][libc++] Forward-declare locale functions in aix.h when _XOPEN_SOURCE < 700 (PR #220508)

[Nikolas Klauser via libcxx-commits]

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@@ -25,6 +25,9 @@
 #  include <wctype.h>
 #endif
 
+// Forward declare for _XOPEN_SOURCE=500 and _XOPEN_SOURCE=600
+extern "C" locale_t __libcpp_aix_uselocale(locale_t) noexcept __asm__("uselocale");
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philnik777 wrote:

Can we move this into the namespace instead? I don't think there is anything requiring us to declare this globally.

https://github.com/llvm/llvm-project/pull/220508