e2956fefd9
This is to allow math function implementations to use system libc's fenv.h instead of internal fenv implementations.
32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
//===-- Common defines for sharing LLVM libc with LLVM projects -*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LIBC_SHARED_LIBC_COMMON_H
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#define LLVM_LIBC_SHARED_LIBC_COMMON_H
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// Use system errno.
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#ifdef LIBC_ERRNO_MODE
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#if LIBC_ERRNO_MODE != LIBC_ERRNO_MODE_SYSTEM_INLINE
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#error \
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"LIBC_ERRNO_MODE was set to something different from LIBC_ERRNO_MODE_SYSTEM_INLINE."
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#endif // LIBC_ERRNO_MODE != LIBC_ERRNO_MODE_SYSTEM_INLINE
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#else
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#define LIBC_ERRNO_MODE LIBC_ERRNO_MODE_SYSTEM_INLINE
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#endif // LIBC_ERRNO_MODE
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// Use system fenv functions in math implementations.
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#ifndef LIBC_MATH_USE_SYSTEM_FENV
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#define LIBC_MATH_USE_SYSTEM_FENV
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#endif // LIBC_MATH_USE_SYSTEM_FENV
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#ifndef LIBC_NAMESPACE
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#define LIBC_NAMESPACE __llvm_libc
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#endif // LIBC_NAMESPACE
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#endif // LLVM_LIBC_SHARED_LIBC_COMMON_H
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