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/*===------- llvm/Config/abi-breaking.h - llvm configuration -------*- C -*-===*/
/* */
/* The LLVM Compiler Infrastructure */
/* */
/* This file is distributed under the University of Illinois Open Source */
/* License. See LICENSE.TXT for details. */
/* */
/*===----------------------------------------------------------------------===*/
/* This file controls the C++ ABI break introduced in LLVM public header. */
#ifndef LLVM_ABI_BREAKING_CHECKS_H
#define LLVM_ABI_BREAKING_CHECKS_H
/* Define to enable checks that alter the LLVM C++ ABI */
#cmakedefine01 LLVM_ENABLE_ABI_BREAKING_CHECKS
/* Define to disable the link-time checking of mismatch for
LLVM_ENABLE_ABI_BREAKING_CHECKS */
#cmakedefine01 LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
#if !LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
// ABI_BREAKING_CHECKS protection: provides link-time failure when clients build
// mismatch with LLVM
#if defined(_MSC_VER)
// Use pragma with MSVC
#define LLVM_XSTR(s) LLVM_STR(s)
#define LLVM_STR(s) #s
#pragma detect_mismatch("LLVM_ENABLE_ABI_BREAKING_CHECKS", LLVM_XSTR(LLVM_ENABLE_ABI_BREAKING_CHECKS))
#undef LLVM_XSTR
#undef LLVM_STR
#elif defined(_WIN32) || defined(__CYGWIN__) // Win32 w/o #pragma detect_mismatch
// FIXME: Implement checks without weak.
#elif defined(__cplusplus)
namespace llvm {
#if LLVM_ENABLE_ABI_BREAKING_CHECKS
extern int EnableABIBreakingChecks;
__attribute__((weak, visibility ("hidden"))) int *VerifyEnableABIBreakingChecks = &EnableABIBreakingChecks;
#else
extern int DisableABIBreakingChecks;
__attribute__((weak, visibility ("hidden"))) int *VerifyDisableABIBreakingChecks = &DisableABIBreakingChecks;
#endif
}
#endif // _MSC_VER
#endif // LLVM_DISABLE_ABI_BREAKING_CHECKS_ENFORCING
#endif
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