[libcxx-commits] [libcxx] [libc++][z/OS] Need to define _LIBCPP_HAS_UNICODE to 0 for EBCDIC (PR #119244)

[Zibi Sarbinowski via libcxx-commits]

https://github.com/zibi2 created https://github.com/llvm/llvm-project/pull/119244

This PR is needed since EBCDIC does not support UNICODE.

>From 32c66931d1bf7e17ad05625eb57ec03bad587f36 Mon Sep 17 00:00:00 2001
From: Zbigniew Sarbinowski <zibi at ca.ibm.com>
Date: Mon, 9 Dec 2024 18:49:37 +0000
Subject: [PATCH] Need to define _LIBCPP_HAS_UNICODE to 0 for EBCDIC

---
 libcxx/include/__config_site.in | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libcxx/include/__config_site.in b/libcxx/include/__config_site.in
index fc01aaf2d8746e..b575a5de8e0d0b 100644
--- a/libcxx/include/__config_site.in
+++ b/libcxx/include/__config_site.in
@@ -28,7 +28,11 @@
 #cmakedefine01 _LIBCPP_HAS_FILESYSTEM
 #cmakedefine01 _LIBCPP_HAS_RANDOM_DEVICE
 #cmakedefine01 _LIBCPP_HAS_LOCALIZATION
+#if defined(__MVS__) && !defined(__NATIVE_ASCII_F)
+#cmakedefine _LIBCPP_HAS_UNICODE 0
+#else
 #cmakedefine01 _LIBCPP_HAS_UNICODE
+#endif
 #cmakedefine01 _LIBCPP_HAS_WIDE_CHARACTERS
 #cmakedefine _LIBCPP_HAS_NO_STD_MODULES
 #cmakedefine01 _LIBCPP_HAS_TIME_ZONE_DATABASE