[libc++][modules] Support using the module std with -fno-char8_t. #79155
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Exclude some using-declarations in the module purview to support -fno-char8_t.
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@llvm/pr-subscribers-libcxx Author: Po-yao Chang (poyaoc97) ChangesExclude some using-declarations in the module purview when compiling with Full diff: https://github.com/llvm/llvm-project/pull/79155.diff 4 Files Affected:
diff --git a/libcxx/modules/std/atomic.inc b/libcxx/modules/std/atomic.inc
index 5139b7531093d7a..88b31ccdb208409 100644
--- a/libcxx/modules/std/atomic.inc
+++ b/libcxx/modules/std/atomic.inc
@@ -60,7 +60,9 @@ export namespace std {
using std::atomic_char;
using std::atomic_char16_t;
using std::atomic_char32_t;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::atomic_char8_t;
+#endif
using std::atomic_int;
using std::atomic_llong;
using std::atomic_long;
diff --git a/libcxx/modules/std/iosfwd.inc b/libcxx/modules/std/iosfwd.inc
index ec8b434ca0c51b7..410fb6aefed8015 100644
--- a/libcxx/modules/std/iosfwd.inc
+++ b/libcxx/modules/std/iosfwd.inc
@@ -14,7 +14,9 @@ export namespace std {
#endif
using std::u16streampos;
using std::u32streampos;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8streampos;
+#endif
using std::basic_osyncstream;
using std::basic_syncbuf;
diff --git a/libcxx/modules/std/string.inc b/libcxx/modules/std/string.inc
index c83ee7643f87e9a..9808a96215a1829 100644
--- a/libcxx/modules/std/string.inc
+++ b/libcxx/modules/std/string.inc
@@ -34,7 +34,9 @@ export namespace std {
using std::string;
using std::u16string;
using std::u32string;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8string;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::wstring;
#endif
@@ -58,7 +60,9 @@ export namespace std {
using std::pmr::string;
using std::pmr::u16string;
using std::pmr::u32string;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::pmr::u8string;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::pmr::wstring;
#endif
diff --git a/libcxx/modules/std/string_view.inc b/libcxx/modules/std/string_view.inc
index 1fa63a77395358a..f4f9d80ddb83da5 100644
--- a/libcxx/modules/std/string_view.inc
+++ b/libcxx/modules/std/string_view.inc
@@ -27,7 +27,9 @@ export namespace std {
using std::string_view;
using std::u16string_view;
using std::u32string_view;
+#ifndef _LIBCPP_HAS_NO_CHAR8_T
using std::u8string_view;
+#endif
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
using std::wstring_view;
#endif
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/cherry-pick dc44836 |
Error: Command failed due to missing milestone. |
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/cherry-pick dc44836 |
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/pull-request #80484 |
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Exclude some using-declarations in the module purview when compiling with
-fno-char8_t.