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Support building libunwind as a DLL

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Differential Revision: https://reviews.llvm.org/D40483

llvm-svn: 319300
This commit is contained in:
Martin Storsjo 2017-11-29 08:21:12 +00:00
parent d7fe2f7f60
commit 5a546f99ec
2 changed files with 12 additions and 3 deletions
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5
libunwind/CMakeLists.txt
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@ -308,6 +308,11 @@ if (MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
endif()
# Disable DLL annotations on Windows for static builds.
if (WIN32 AND LIBUNWIND_ENABLE_STATIC AND NOT LIBUNWIND_ENABLE_SHARED)
add_definitions(-D_LIBUNWIND_DISABLE_VISIBILITY_ANNOTATIONS)
endif()
#===============================================================================
# Setup Source Code
#===============================================================================

10
libunwind/src/config.h
View File

@ -50,9 +50,13 @@
#define _LIBUNWIND_EXPORT
#define _LIBUNWIND_HIDDEN
#else
// FIXME: these macros are not correct for COFF targets
#define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
#if !defined(__ELF__) && !defined(__MACH__)
#define _LIBUNWIND_EXPORT __declspec(dllexport)
#define _LIBUNWIND_HIDDEN
#else
#define _LIBUNWIND_EXPORT __attribute__((visibility("default")))
#define _LIBUNWIND_HIDDEN __attribute__((visibility("hidden")))
#endif
#endif
#if (defined(__APPLE__) && defined(__arm__)) || defined(__USING_SJLJ_EXCEPTIONS__)