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Unbreak build on OpenBSD by not adding -Wl,-z,defs to linker flags.

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This is similar to the fix for FreeBSD in r226862. Without this patch,
the build aborts when linkling libLTO.so, complaining about undefined
references to assert2, cxa_atexit, etc.

Patch by Stefan Kempf!

http://reviews.llvm.org/D14236

llvm-svn: 253769
This commit is contained in:
Yaron Keren 2015-11-21 06:33:54 +00:00
parent 81cd3bf347
commit 762fa03531
1 changed files with 2 additions and 1 deletions
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3
cmake/modules/HandleLLVMOptions.cmake
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@ -132,7 +132,8 @@ endif()
# Pass -Wl,-z,defs. This makes sure all symbols are defined. Otherwise a DSO
# build might work on ELF but fail on MachO/COFF.
if(NOT (${CMAKE_SYSTEM_NAME} MATCHES "Darwin" OR WIN32 OR CYGWIN OR
${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD") AND
${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD" OR
${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD") AND
NOT LLVM_USE_SANITIZER)
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,-z,defs")
endif()