| /*===------- 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 */ | |
| #define LLVM_ENABLE_ABI_BREAKING_CHECKS 0 | |
| /* Define to enable reverse iteration of unordered llvm containers */ | |
| #define LLVM_ENABLE_REVERSE_ITERATION 0 | |
| /* Allow selectively disabling link-time mismatch checking so that header-only | |
| ADT content from LLVM can be used without linking libSupport. */ | |
| #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 |