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[libc][annex_k] Add Annex K support macros. #163100

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Merged
bassiounix merged 2 commits into from
Oct 22, 2025
Merged

[libc][annex_k] Add Annex K support macros. #163100

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302d38b
[libc][annex_k] Add Annex K support macros.
bassiounix Oct 12, 2025
dff862b
comment define macro
bassiounix Oct 17, 2025
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6 changes: 6 additions & 0 deletions libc/include/llvm-libc-macros/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,12 @@ if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS})
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/${LIBC_TARGET_OS})
endif()

add_macro_header(
annex_k_macros
HDR
annex-k-macros.h
)

add_macro_header(
assert_macros
HDR
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27 changes: 27 additions & 0 deletions libc/include/llvm-libc-macros/annex-k-macros.h
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Original file line number Diff line number Diff line change
@@ -0,0 +1,27 @@
//===-- Definition of macros to be used with Annex K functions ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_LIBC_INCLUDE_LLVM_LIBC_MACROS_ANNEX_K_MACROS_H
#define LLVM_LIBC_INCLUDE_LLVM_LIBC_MACROS_ANNEX_K_MACROS_H

#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
(defined(__cplusplus) && __cplusplus >= 201703L)

// TODO(bassiounix): Who should def this macro (clang vs libc)? Where?
// TODO(bassiounix): uncomment/move when Annex K is fully implemented.
// #define __STDC_LIB_EXT1__ 201112L

#if defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ == 1

#define LIBC_HAS_ANNEX_K

#endif // defined(__STDC_WANT_LIB_EXT1__) && __STDC_WANT_LIB_EXT1__ == 1

#endif // (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) ||
// (defined(__cplusplus) && __cplusplus >= 201703L)
#endif // LLVM_LIBC_INCLUDE_LLVM_LIBC_MACROS_ANNEX_K_MACROS_H
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